feat: add official mem0 CLI (Python & TypeScript) (#4575)

This commit is contained in:
Saket Aryan
2026-03-28 05:03:01 +05:30
committed by GitHub
parent 88fd0e77d0
commit 3225e30859
58 changed files with 13438 additions and 0 deletions
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# mem0 CLI (Node.js)
The official command-line interface for [mem0](https://mem0.ai) — the memory layer for AI agents. TypeScript implementation.
## Prerequisites
- Node.js **18+**
- pnpm (`npm install -g pnpm`)
## Installation
```bash
npm install -g @mem0/cli
```
Or from source:
```bash
cd node
pnpm install
pnpm build
pnpm link --global
# Now use it like a normal CLI
mem0 --help
```
## Running during development
```bash
cd node
pnpm install
# Development mode (runs TypeScript directly, no build needed)
pnpm dev --help
pnpm dev add "test memory" --user-id alice
pnpm dev search "test" --user-id alice
# Or build first, then run the compiled JS
pnpm build
node dist/index.js --help
node dist/index.js add "test memory" --user-id alice
```
## Quick Start
```bash
# Set up your configuration
mem0 init
# Add a memory
mem0 add "I prefer dark mode and use vim keybindings" --user-id alice
# Search memories
mem0 search "What are Alice's preferences?" --user-id alice
# List all memories
mem0 list --user-id alice
```
## Environment Variables
| Variable | Description |
|----------|-------------|
| `MEM0_API_KEY` | API key (overrides config file) |
| `MEM0_BASE_URL` | API base URL |
| `MEM0_USER_ID` | Default user ID |
| `MEM0_AGENT_ID` | Default agent ID |
| `MEM0_APP_ID` | Default app ID |
| `MEM0_RUN_ID` | Default run ID |
| `MEM0_ENABLE_GRAPH` | Enable graph memory (true/false) |
## License
Apache-2.0
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# Development
## Prerequisites
- Node.js **18+**
- pnpm (`npm install -g pnpm`)
## Setup
From the `node/` directory:
```bash
pnpm install
```
## Running the CLI
There are two ways to run the CLI during development:
### Option 1: Development mode (no build needed)
Uses `tsx` to run TypeScript directly. Pass CLI arguments after `pnpm dev`:
```bash
pnpm dev --help
pnpm dev version
pnpm dev add "test memory" --user-id alice
pnpm dev search "test" --user-id alice
pnpm dev config show
```
> **Note:** Do NOT use `pnpm dev -- --help`. With pnpm, arguments pass through directly — adding `--` inserts a literal `--` that breaks the CLI parser.
### Option 2: Build and run compiled JS
```bash
# Build first
pnpm build
# Run the compiled CLI
node dist/index.js --help
node dist/index.js version
node dist/index.js add "test memory" --user-id alice
```
### Option 3: Link globally (makes `mem0` available system-wide)
```bash
pnpm build
pnpm link --global
# Now use it like a normal CLI
mem0 --help
mem0 version
```
> **Warning:** If you also have the Python CLI installed, both register the `mem0` command. The last one linked/installed wins. Unlink with `pnpm unlink --global`.
## Build
```bash
pnpm build
```
The compiled output is in `dist/`.
## Run tests
```bash
# Run all tests
pnpm test
# Watch mode
pnpm test:watch
```
## Lint
```bash
# Check
pnpm lint
# Auto-fix
pnpm lint:fix
```
## Type checking
```bash
pnpm typecheck
```
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{
"name": "@mem0/cli",
"version": "0.1.0",
"description": "The official CLI for mem0 — the memory layer for AI agents",
"type": "module",
"bin": {
"mem0": "./dist/index.js"
},
"scripts": {
"build": "tsup src/index.ts --format esm --dts --clean",
"dev": "tsx src/index.ts",
"test": "vitest run",
"test:watch": "vitest",
"lint": "biome check src/",
"lint:fix": "biome check --write src/",
"typecheck": "tsc --noEmit"
},
"engines": {
"node": ">=18.0.0"
},
"license": "Apache-2.0",
"author": "mem0.ai <founders@mem0.ai>",
"keywords": ["mem0", "memory", "ai", "agents", "cli"],
"dependencies": {
"commander": "^12.0.0",
"chalk": "^5.3.0",
"cli-table3": "^0.6.4",
"ora": "^8.0.0",
"boxen": "^7.1.0"
},
"devDependencies": {
"typescript": "^5.4.0",
"tsup": "^8.0.0",
"tsx": "^4.7.0",
"vitest": "^1.5.0",
"@biomejs/biome": "^1.7.0",
"@types/node": "^20.0.0"
}
}
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/**
* Abstract backend interface and factory.
*/
import type { Mem0Config } from "../config.js";
import { PlatformBackend } from "./platform.js";
export interface AddOptions {
userId?: string;
agentId?: string;
appId?: string;
runId?: string;
metadata?: Record<string, unknown>;
immutable?: boolean;
infer?: boolean;
expires?: string;
categories?: string[];
enableGraph?: boolean;
}
export interface SearchOptions {
userId?: string;
agentId?: string;
appId?: string;
runId?: string;
topK?: number;
threshold?: number;
rerank?: boolean;
keyword?: boolean;
filters?: Record<string, unknown>;
fields?: string[];
enableGraph?: boolean;
}
export interface ListOptions {
userId?: string;
agentId?: string;
appId?: string;
runId?: string;
page?: number;
pageSize?: number;
category?: string;
after?: string;
before?: string;
enableGraph?: boolean;
}
export interface DeleteOptions {
all?: boolean;
userId?: string;
agentId?: string;
appId?: string;
runId?: string;
}
export interface EntityIds {
userId?: string;
agentId?: string;
appId?: string;
runId?: string;
}
export interface Backend {
add(
content?: string,
messages?: Record<string, unknown>[],
opts?: AddOptions,
): Promise<Record<string, unknown>>;
search(query: string, opts?: SearchOptions): Promise<Record<string, unknown>[]>;
get(memoryId: string): Promise<Record<string, unknown>>;
listMemories(opts?: ListOptions): Promise<Record<string, unknown>[]>;
update(
memoryId: string,
content?: string,
metadata?: Record<string, unknown>,
): Promise<Record<string, unknown>>;
delete(memoryId?: string, opts?: DeleteOptions): Promise<Record<string, unknown>>;
deleteEntities(opts: EntityIds): Promise<Record<string, unknown>>;
status(opts?: { userId?: string; agentId?: string }): Promise<Record<string, unknown>>;
entities(entityType: string): Promise<Record<string, unknown>[]>;
}
export class AuthError extends Error {
constructor(message = "Authentication failed. Your API key may be invalid or expired.") {
super(message);
this.name = "AuthError";
}
}
export class NotFoundError extends Error {
constructor(path: string) {
super(`Resource not found: ${path}`);
this.name = "NotFoundError";
}
}
export class APIError extends Error {
constructor(path: string, detail: string) {
super(`Bad request to ${path}: ${detail}`);
this.name = "APIError";
}
}
export function getBackend(config: Mem0Config): Backend {
return new PlatformBackend(config.platform);
}
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/**
* Backend factory re-export.
*/
export { getBackend } from "./base.js";
export type { Backend, AddOptions, SearchOptions, ListOptions, DeleteOptions, EntityIds } from "./base.js";
export { AuthError, NotFoundError, APIError } from "./base.js";
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/**
* Platform (SaaS) backend — communicates with api.mem0.ai.
*/
import type { PlatformConfig } from "../config.js";
import {
type AddOptions,
APIError,
AuthError,
type Backend,
type DeleteOptions,
type EntityIds,
type ListOptions,
NotFoundError,
type SearchOptions,
} from "./base.js";
export class PlatformBackend implements Backend {
private baseUrl: string;
private headers: Record<string, string>;
constructor(config: PlatformConfig) {
this.baseUrl = config.baseUrl.replace(/\/+$/, "");
this.headers = {
Authorization: `Token ${config.apiKey}`,
"Content-Type": "application/json",
};
}
private async _request(
method: string,
path: string,
opts?: { json?: unknown; params?: Record<string, string> },
): Promise<unknown> {
let url = `${this.baseUrl}${path}`;
if (opts?.params) {
const qs = new URLSearchParams(opts.params).toString();
url += `?${qs}`;
}
const fetchOpts: RequestInit = {
method,
headers: this.headers,
signal: AbortSignal.timeout(30_000),
};
if (opts?.json) {
fetchOpts.body = JSON.stringify(opts.json);
}
const resp = await fetch(url, fetchOpts);
if (resp.status === 401) {
throw new AuthError();
}
if (resp.status === 404) {
throw new NotFoundError(path);
}
if (resp.status === 400) {
let detail: string;
try {
const body = await resp.json();
detail = (body as Record<string, string>).detail ?? resp.statusText;
} catch {
detail = resp.statusText;
}
throw new APIError(path, detail);
}
if (!resp.ok) {
throw new Error(`HTTP ${resp.status}: ${resp.statusText}`);
}
if (resp.status === 204) {
return {};
}
return resp.json();
}
async add(
content?: string,
messages?: Record<string, unknown>[],
opts: AddOptions = {},
): Promise<Record<string, unknown>> {
const payload: Record<string, unknown> = {};
if (messages) {
payload.messages = messages;
} else if (content) {
payload.messages = [{ role: "user", content }];
}
if (opts.userId) payload.user_id = opts.userId;
if (opts.agentId) payload.agent_id = opts.agentId;
if (opts.appId) payload.app_id = opts.appId;
if (opts.runId) payload.run_id = opts.runId;
if (opts.metadata) payload.metadata = opts.metadata;
if (opts.immutable) payload.immutable = true;
if (opts.infer === false) payload.infer = false;
if (opts.expires) payload.expiration_date = opts.expires;
if (opts.categories) payload.categories = opts.categories;
if (opts.enableGraph) payload.enable_graph = true;
return (await this._request("POST", "/v1/memories/", { json: payload })) as Record<
string,
unknown
>;
}
private _buildFilters(opts: {
userId?: string;
agentId?: string;
appId?: string;
runId?: string;
extraFilters?: Record<string, unknown>;
}): Record<string, unknown> | undefined {
// If caller passed a pre-built filter structure, use it directly
if (opts.extraFilters && ("AND" in opts.extraFilters || "OR" in opts.extraFilters)) {
return opts.extraFilters;
}
const andConditions: Record<string, unknown>[] = [];
if (opts.userId) andConditions.push({ user_id: opts.userId });
if (opts.agentId) andConditions.push({ agent_id: opts.agentId });
if (opts.appId) andConditions.push({ app_id: opts.appId });
if (opts.runId) andConditions.push({ run_id: opts.runId });
if (opts.extraFilters) {
for (const [k, v] of Object.entries(opts.extraFilters)) {
andConditions.push({ [k]: v });
}
}
if (andConditions.length === 1) return andConditions[0];
if (andConditions.length > 1) return { AND: andConditions };
return undefined;
}
async search(query: string, opts: SearchOptions = {}): Promise<Record<string, unknown>[]> {
const payload: Record<string, unknown> = {
query,
top_k: opts.topK ?? 10,
threshold: opts.threshold ?? 0.3,
};
const apiFilters = this._buildFilters({
userId: opts.userId,
agentId: opts.agentId,
appId: opts.appId,
runId: opts.runId,
extraFilters: opts.filters,
});
if (apiFilters) payload.filters = apiFilters;
if (opts.rerank) payload.rerank = true;
if (opts.keyword) payload.keyword_search = true;
if (opts.fields) payload.fields = opts.fields;
if (opts.enableGraph) payload.enable_graph = true;
const result = (await this._request("POST", "/v2/memories/search/", {
json: payload,
})) as unknown;
if (Array.isArray(result)) return result;
const obj = result as Record<string, unknown>;
return (obj.results ?? obj.memories ?? []) as Record<string, unknown>[];
}
async get(memoryId: string): Promise<Record<string, unknown>> {
return (await this._request("GET", `/v1/memories/${memoryId}/`)) as Record<string, unknown>;
}
async listMemories(opts: ListOptions = {}): Promise<Record<string, unknown>[]> {
const payload: Record<string, unknown> = {};
const params: Record<string, string> = {
page: String(opts.page ?? 1),
page_size: String(opts.pageSize ?? 100),
};
const extra: Record<string, unknown> = {};
if (opts.category) {
extra.categories = { contains: opts.category };
}
if (opts.after) {
extra.created_at = { ...(extra.created_at as Record<string, unknown> | undefined), gte: opts.after };
}
if (opts.before) {
extra.created_at = { ...(extra.created_at as Record<string, unknown> | undefined), lte: opts.before };
}
const apiFilters = this._buildFilters({
userId: opts.userId,
agentId: opts.agentId,
appId: opts.appId,
runId: opts.runId,
extraFilters: Object.keys(extra).length > 0 ? extra : undefined,
});
if (apiFilters) payload.filters = apiFilters;
if (opts.enableGraph) payload.enable_graph = true;
const result = (await this._request("POST", "/v2/memories/", { json: payload, params })) as unknown;
if (Array.isArray(result)) return result;
const obj = result as Record<string, unknown>;
return (obj.results ?? obj.memories ?? []) as Record<string, unknown>[];
}
async update(
memoryId: string,
content?: string,
metadata?: Record<string, unknown>,
): Promise<Record<string, unknown>> {
const payload: Record<string, unknown> = {};
if (content) payload.text = content;
if (metadata) payload.metadata = metadata;
return (await this._request("PUT", `/v1/memories/${memoryId}/`, {
json: payload,
})) as Record<string, unknown>;
}
async delete(
memoryId?: string,
opts: DeleteOptions = {},
): Promise<Record<string, unknown>> {
if (opts.all) {
const params: Record<string, string> = {};
if (opts.userId) params.user_id = opts.userId;
if (opts.agentId) params.agent_id = opts.agentId;
if (opts.appId) params.app_id = opts.appId;
if (opts.runId) params.run_id = opts.runId;
return (await this._request("DELETE", "/v1/memories/", { params })) as Record<
string,
unknown
>;
}
if (memoryId) {
return (await this._request("DELETE", `/v1/memories/${memoryId}/`)) as Record<
string,
unknown
>;
}
throw new Error("Either memoryId or --all is required");
}
async deleteEntities(opts: EntityIds): Promise<Record<string, unknown>> {
const params: Record<string, string> = {};
if (opts.userId) params.user_id = opts.userId;
if (opts.agentId) params.agent_id = opts.agentId;
if (opts.appId) params.app_id = opts.appId;
if (opts.runId) params.run_id = opts.runId;
if (Object.keys(params).length === 0) {
throw new Error("At least one entity ID is required for deleteEntities.");
}
return (await this._request("DELETE", "/v1/entities/", { params })) as Record<
string,
unknown
>;
}
async status(
opts: { userId?: string; agentId?: string } = {},
): Promise<Record<string, unknown>> {
try {
if (opts.userId || opts.agentId) {
const payload: Record<string, unknown> = {};
const statusParams: Record<string, string> = { page: "1", page_size: "1" };
const apiFilters = this._buildFilters({
userId: opts.userId,
agentId: opts.agentId,
});
if (apiFilters) payload.filters = apiFilters;
await this._request("POST", "/v2/memories/", { json: payload, params: statusParams });
} else {
await this._request("GET", "/v1/entities/");
}
return { connected: true, backend: "platform", base_url: this.baseUrl };
} catch (e) {
return {
connected: false,
backend: "platform",
error: e instanceof Error ? e.message : String(e),
};
}
}
async entities(entityType: string): Promise<Record<string, unknown>[]> {
const result = (await this._request("GET", "/v1/entities/")) as unknown;
let items: Record<string, unknown>[];
if (Array.isArray(result)) {
items = result;
} else {
items = ((result as Record<string, unknown>).results ?? []) as Record<string, unknown>[];
}
const typeMap: Record<string, string> = {
users: "user",
agents: "agent",
apps: "app",
runs: "run",
};
const targetType = typeMap[entityType];
if (targetType) {
items = items.filter(
(e) => (e.type as string | undefined)?.toLowerCase() === targetType,
);
}
return items;
}
}
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/**
* Branding and ASCII art for mem0 CLI.
*/
import chalk from "chalk";
import ora, { type Ora } from "ora";
import { createRequire } from "node:module";
const _require = createRequire(import.meta.url);
const PKG_VERSION: string = _require("../package.json").version;
export const LOGO = `
███╗ ███╗███████╗███╗ ███╗ ██████╗ ██████╗██╗ ██╗
████╗ ████║██╔════╝████╗ ████║██╔═████╗ ██╔════╝██║ ██║
██╔████╔██║█████╗ ██╔████╔██║██║██╔██║ ██║ ██║ ██║
██║╚██╔╝██║██╔══╝ ██║╚██╔╝██║████╔╝██║ ██║ ██║ ██║
██║ ╚═╝ ██║███████╗██║ ╚═╝ ██║╚██████╔╝ ╚██████╗███████╗██║
╚═╝ ╚═╝╚══════╝╚═╝ ╚═╝ ╚═════╝ ╚═════╝╚══════╝╚═╝
`;
export const LOGO_MINI = "◆ mem0";
export const TAGLINE = "The Memory Layer for AI Agents";
export const BRAND_COLOR = "#8b5cf6";
export const ACCENT_COLOR = "#a78bfa";
export const SUCCESS_COLOR = "#22c55e";
export const ERROR_COLOR = "#ef4444";
export const WARNING_COLOR = "#f59e0b";
export const DIM_COLOR = "#6b7280";
const brand = chalk.hex(BRAND_COLOR);
const accent = chalk.hex(ACCENT_COLOR);
const success = chalk.hex(SUCCESS_COLOR);
const error = chalk.hex(ERROR_COLOR);
const warning = chalk.hex(WARNING_COLOR);
const dim = chalk.hex(DIM_COLOR);
/**
* Choose a symbol based on TTY/NO_COLOR. Fancy for interactive terminals,
* plain-text for piped/non-TTY or NO_COLOR environments.
*/
export function sym(fancy: string, plain: string): string {
if (!process.stdout.isTTY || process.env.NO_COLOR) return plain;
return fancy;
}
export function printBanner(): void {
const pad = 3; // horizontal padding each side (matches Rich's padding=(0, 2))
const logoLines = LOGO.trimEnd().split("\n");
const tagline = ` ${TAGLINE}`;
const subtitle = `Node.js SDK · v${PKG_VERSION}`;
const contentLines = ["", ...logoLines, "", tagline, ""];
// Compute inner width from longest content line + padding both sides
const maxContent = Math.max(...contentLines.map((l) => l.length));
const innerWidth = maxContent + pad * 2;
const totalWidth = innerWidth + 2; // + 2 for │ borders
const topBorder = brand(`╭${"─".repeat(totalWidth - 2)}╮`);
const subtitleFill = totalWidth - 2 - subtitle.length - 3; // 3 = "─ " before subtitle + "─" after
const bottomBorder = brand(`╰${"─".repeat(subtitleFill)} ${dim(subtitle)} ${"─"}╯`);
const body = contentLines.map((line) => {
const rightPad = innerWidth - pad - line.length;
return `${brand("│")}${" ".repeat(pad)}${brand.bold(line)}${" ".repeat(Math.max(rightPad, 0))}${brand("│")}`;
});
// Re-color tagline line with accent instead of brand.bold
const taglineIdx = body.length - 2; // second-to-last (before trailing empty line)
const taglineRightPad = innerWidth - pad - tagline.length;
body[taglineIdx] = `${brand("│")}${" ".repeat(pad)}${accent(tagline)}${" ".repeat(Math.max(taglineRightPad, 0))}${brand("│")}`;
console.log(topBorder);
for (const line of body) console.log(line);
console.log(bottomBorder);
}
export function printSuccess(message: string): void {
console.log(`${success(sym("✓", "[ok]"))} ${message}`);
}
export function printError(message: string, hint?: string): void {
console.error(`${error(sym("✗", "[error]") + " Error:")} ${message}`);
if (hint) {
console.error(` ${dim(hint)}`);
}
}
export function printWarning(message: string): void {
console.error(`${warning(sym("⚠", "[warn]"))} ${message}`);
}
export function printInfo(message: string): void {
console.log(`${brand(sym("◆", "*"))} ${message}`);
}
export function printScope(ids: Record<string, string | undefined>): void {
const parts: string[] = [];
for (const [key, val] of Object.entries(ids)) {
if (val) {
const label = key.replace(/_/g, " ").replace("id", "ID").trim();
parts.push(`${label}=${val}`);
}
}
if (parts.length > 0) {
console.log(` ${dim(`Scope: ${parts.join(", ")}`)}`);
}
}
export interface TimedStatusContext {
successMsg: string;
errorMsg: string;
}
/**
* Run an async function with a spinner, timing the operation.
* Equivalent to Python's timed_status context manager.
*/
export async function timedStatus<T>(
message: string,
fn: (ctx: TimedStatusContext) => Promise<T>,
): Promise<T> {
const ctx: TimedStatusContext = { successMsg: "", errorMsg: "" };
const spinner = ora({ text: dim(message), color: "magenta", stream: process.stderr }).start();
const start = performance.now();
try {
const result = await fn(ctx);
const elapsed = ((performance.now() - start) / 1000).toFixed(2);
spinner.stop();
if (ctx.successMsg) {
console.error(`${success("✓")} ${ctx.successMsg} (${elapsed}s)`);
}
return result;
} catch (err) {
const elapsed = ((performance.now() - start) / 1000).toFixed(2);
spinner.stop();
if (ctx.errorMsg) {
console.error(`${error("✗ Error:")} ${ctx.errorMsg} (${elapsed}s)`);
}
throw err;
}
}
/** Format helpers using brand colors for external use. */
export const colors = { brand, accent, success, error, warning, dim };
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/**
* Config management commands: show, set, get.
*/
import Table from "cli-table3";
import { printError, printSuccess, colors } from "../branding.js";
import {
getNestedValue,
loadConfig,
redactKey,
saveConfig,
setNestedValue,
} from "../config.js";
import { formatJsonEnvelope } from "../output.js";
const { brand, accent, dim } = colors;
export function cmdConfigShow(opts: { output?: string } = {}): void {
const config = loadConfig();
if (opts.output === "json") {
formatJsonEnvelope({
command: "config show",
data: {
defaults: {
user_id: config.defaults.userId || null,
agent_id: config.defaults.agentId || null,
app_id: config.defaults.appId || null,
run_id: config.defaults.runId || null,
enable_graph: config.defaults.enableGraph,
},
platform: {
api_key: redactKey(config.platform.apiKey),
base_url: config.platform.baseUrl,
},
},
});
return;
}
console.log();
console.log(` ${brand("◆ mem0 Configuration")}\n`);
const table = new Table({
head: [accent("Key"), accent("Value")],
style: { head: [], border: [] },
});
// Defaults
table.push(["defaults.user_id", config.defaults.userId || dim("(not set)")]);
table.push(["defaults.agent_id", config.defaults.agentId || dim("(not set)")]);
table.push(["defaults.app_id", config.defaults.appId || dim("(not set)")]);
table.push(["defaults.run_id", config.defaults.runId || dim("(not set)")]);
table.push(["defaults.enable_graph", String(config.defaults.enableGraph)]);
table.push(["", ""]);
// Platform
table.push(["platform.api_key", redactKey(config.platform.apiKey)]);
table.push(["platform.base_url", config.platform.baseUrl]);
console.log(table.toString());
console.log();
}
export function cmdConfigGet(key: string): void {
const config = loadConfig();
const value = getNestedValue(config, key);
if (value === undefined) {
printError(`Unknown config key: ${key}`);
} else {
// Redact secrets
if (key.includes("api_key") || key.split(".").pop() === "key") {
console.log(redactKey(String(value)));
} else {
console.log(String(value));
}
}
}
export function cmdConfigSet(key: string, value: string): void {
const config = loadConfig();
if (setNestedValue(config, key, value)) {
saveConfig(config);
const display = key.includes("key") ? redactKey(value) : value;
printSuccess(`${key} = ${display}`);
} else {
printError(`Unknown config key: ${key}`);
}
}
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/**
* Entity management commands.
*/
import readline from "node:readline";
import Table from "cli-table3";
import { printError, printInfo, printSuccess, timedStatus, colors } from "../branding.js";
import type { Backend } from "../backend/base.js";
import { formatJson } from "../output.js";
const { brand, accent, dim } = colors;
const VALID_TYPES = new Set(["users", "agents", "apps", "runs"]);
export async function cmdEntitiesList(
backend: Backend,
entityType: string,
opts: { output: string },
): Promise<void> {
if (!VALID_TYPES.has(entityType)) {
printError(`Invalid entity type: ${entityType}. Use: ${[...VALID_TYPES].join(", ")}`);
process.exit(1);
}
const start = performance.now();
let results: Record<string, unknown>[];
try {
results = await timedStatus(`Fetching ${entityType}...`, async () => {
return backend.entities(entityType);
});
} catch (e) {
printError(
e instanceof Error ? e.message : String(e),
"This feature may require the mem0 Platform.",
);
process.exit(1);
}
const elapsed = (performance.now() - start) / 1000;
if (opts.output === "json") {
formatJson(results);
return;
}
if (!results.length) {
printInfo(`No ${entityType} found.`);
return;
}
const table = new Table({
head: [accent("Name / ID"), accent("Created")],
style: { head: [], border: [] },
});
for (const entity of results) {
const name = String(entity.name ?? entity.id ?? "—");
const created = String(entity.created_at ?? "—").slice(0, 10);
table.push([name, created]);
}
console.log();
console.log(table.toString());
console.log(` ${dim(`${results.length} ${entityType} (${elapsed.toFixed(2)}s)`)}`);
console.log();
}
export async function cmdEntitiesDelete(
backend: Backend,
opts: {
userId?: string;
agentId?: string;
appId?: string;
runId?: string;
dryRun?: boolean;
force: boolean;
output: string;
},
): Promise<void> {
if (!opts.userId && !opts.agentId && !opts.appId && !opts.runId) {
printError("Provide at least one of --user-id, --agent-id, --app-id, --run-id.");
process.exit(1);
}
if (opts.dryRun) {
const scopeParts: string[] = [];
if (opts.userId) scopeParts.push(`user=${opts.userId}`);
if (opts.agentId) scopeParts.push(`agent=${opts.agentId}`);
if (opts.appId) scopeParts.push(`app=${opts.appId}`);
if (opts.runId) scopeParts.push(`run=${opts.runId}`);
printInfo(`Would delete entity ${scopeParts.join(", ")} and all its memories.`);
printInfo("No changes made.");
return;
}
if (!opts.force) {
const scopeParts: string[] = [];
if (opts.userId) scopeParts.push(`user=${opts.userId}`);
if (opts.agentId) scopeParts.push(`agent=${opts.agentId}`);
if (opts.appId) scopeParts.push(`app=${opts.appId}`);
if (opts.runId) scopeParts.push(`run=${opts.runId}`);
const scope = scopeParts.join(", ");
const rl = readline.createInterface({ input: process.stdin, output: process.stdout });
const answer = await new Promise<string>((resolve) => {
rl.question(
`\n \u26a0 Delete entity ${scope} AND all its memories? This cannot be undone. [y/N] `,
resolve,
);
});
rl.close();
if (answer.toLowerCase() !== "y") {
printInfo("Cancelled.");
process.exit(0);
}
}
const start = performance.now();
let result: Record<string, unknown>;
try {
result = await timedStatus("Deleting entity...", async () => {
return backend.deleteEntities({
userId: opts.userId,
agentId: opts.agentId,
appId: opts.appId,
runId: opts.runId,
});
});
} catch (e) {
printError(e instanceof Error ? e.message : String(e));
process.exit(1);
}
const elapsed = (performance.now() - start) / 1000;
if (opts.output === "json") {
formatJson(result);
} else if (opts.output !== "quiet") {
printSuccess(`Entity deleted with all memories (${elapsed.toFixed(2)}s)`);
}
}
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/**
* mem0 init — interactive setup wizard.
*/
import readline from "node:readline";
import {
printBanner,
printError,
printInfo,
printSuccess,
colors,
} from "../branding.js";
import { type Mem0Config, createDefaultConfig, saveConfig } from "../config.js";
import { PlatformBackend } from "../backend/platform.js";
const { brand, dim } = colors;
function promptSecret(label: string): Promise<string> {
return new Promise((resolve, reject) => {
process.stdout.write(label);
if (process.stdin.isTTY) {
process.stdin.setRawMode(true);
}
process.stdin.resume();
process.stdin.setEncoding("utf-8");
const chars: string[] = [];
const onData = (key: string) => {
for (const ch of key) {
if (ch === "\r" || ch === "\n") {
cleanup();
process.stdout.write("\n");
resolve(chars.join(""));
return;
}
if (ch === "\x03") {
cleanup();
reject(new Error("Interrupted"));
return;
}
if (ch === "\x7f" || ch === "\x08") {
// backspace
if (chars.length > 0) {
chars.pop();
process.stdout.write("\b \b");
}
} else if (ch === "\x15") {
// Ctrl+U — clear line
process.stdout.write("\b \b".repeat(chars.length));
chars.length = 0;
} else if (ch >= " ") {
chars.push(ch);
process.stdout.write("*");
}
}
};
const cleanup = () => {
process.stdin.removeListener("data", onData);
if (process.stdin.isTTY) {
process.stdin.setRawMode(false);
}
process.stdin.pause();
};
process.stdin.on("data", onData);
});
}
function promptLine(label: string, defaultValue?: string): Promise<string> {
const rl = readline.createInterface({ input: process.stdin, output: process.stdout });
const prompt = defaultValue ? `${label} [${defaultValue}]: ` : `${label}: `;
return new Promise((resolve) => {
rl.question(prompt, (answer) => {
rl.close();
resolve(answer.trim() || defaultValue || "");
});
});
}
async function setupPlatform(config: Mem0Config): Promise<void> {
console.log();
console.log(` ${dim("Get your API key at https://app.mem0.ai/dashboard/api-keys")}`);
console.log();
process.stdout.write(` ${brand("API Key")}: `);
const apiKey = await promptSecret("");
if (!apiKey) {
printError("API key is required.");
process.exit(1);
}
config.platform.apiKey = apiKey;
}
async function setupDefaults(config: Mem0Config): Promise<void> {
console.log();
printInfo("Set default entity IDs (press Enter to skip).\n");
const userId = await promptLine(` ${brand("Default User ID")} ${dim("(recommended)")}`, "mem0-cli");
if (userId) config.defaults.userId = userId;
}
async function validatePlatform(config: Mem0Config): Promise<void> {
console.log();
printInfo("Validating connection...");
try {
const backend = new PlatformBackend(config.platform);
const status = await backend.status({
userId: config.defaults.userId || undefined,
agentId: config.defaults.agentId || undefined,
});
if (status.connected) {
printSuccess("Connected to mem0 Platform!");
} else {
printError(
`Could not connect: ${status.error ?? "Unknown error"}`,
"Check your API key and try again.",
);
}
} catch (e) {
printError(`Connection test failed: ${e instanceof Error ? e.message : e}`);
}
}
export async function runInit(opts: { apiKey?: string; userId?: string } = {}): Promise<void> {
const config = createDefaultConfig();
// Non-interactive: both flags provided
if (opts.apiKey && opts.userId) {
config.platform.apiKey = opts.apiKey;
config.defaults.userId = opts.userId;
await validatePlatform(config);
saveConfig(config);
printSuccess("Configuration saved to ~/.mem0/config.json");
return;
}
// Non-TTY without full flags: error with usage hint
if (!process.stdin.isTTY && (!opts.apiKey || !opts.userId)) {
printError(
"Non-interactive terminal detected and missing required flags.",
"Usage: mem0 init --api-key <key> --user-id <id>",
);
process.exit(1);
}
printBanner();
console.log();
printInfo("Welcome! Let's set up your mem0 CLI.\n");
// Use provided API key or prompt
if (opts.apiKey) {
config.platform.apiKey = opts.apiKey;
} else {
await setupPlatform(config);
}
// Use provided user ID or prompt
if (opts.userId) {
config.defaults.userId = opts.userId;
} else {
await setupDefaults(config);
}
await validatePlatform(config);
saveConfig(config);
console.log();
printSuccess("Configuration saved to ~/.mem0/config.json");
console.log();
console.log(` ${dim("Get started:")}`);
if (config.defaults.userId) {
console.log(` ${dim(' mem0 add "I prefer dark mode"')}`);
console.log(` ${dim(' mem0 search "preferences"')}`);
} else {
console.log(` ${dim(' mem0 add "I prefer dark mode" --user-id alice')}`);
console.log(` ${dim(' mem0 search "preferences" --user-id alice')}`);
}
console.log();
}
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/**
* Memory CRUD commands: add, search, get, list, update, delete.
*/
import fs from "node:fs";
import { printError, printInfo, printScope, printSuccess, timedStatus } from "../branding.js";
import type { Backend } from "../backend/base.js";
import {
formatAddResult,
formatJson,
formatMemoriesTable,
formatMemoriesText,
formatSingleMemory,
printResultSummary,
} from "../output.js";
export async function cmdAdd(
backend: Backend,
text: string | undefined,
opts: {
userId?: string;
agentId?: string;
appId?: string;
runId?: string;
messages?: string;
file?: string;
metadata?: string;
immutable: boolean;
noInfer: boolean;
expires?: string;
categories?: string;
enableGraph: boolean;
output: string;
},
): Promise<void> {
let msgs: Record<string, unknown>[] | undefined;
let content = text;
// Read from file
if (opts.file) {
try {
const raw = fs.readFileSync(opts.file, "utf-8");
msgs = JSON.parse(raw);
} catch (e) {
printError(`Failed to read file: ${e instanceof Error ? e.message : e}`);
process.exit(1);
}
}
// Parse messages JSON
else if (opts.messages) {
try {
msgs = JSON.parse(opts.messages);
} catch (e) {
printError(`Invalid JSON in --messages: ${e instanceof Error ? e.message : e}`);
process.exit(1);
}
}
// Read from stdin if piped
else if (!content && !process.stdin.isTTY) {
content = fs.readFileSync(0, "utf-8").trim();
}
if (!content && !msgs) {
printError("No content provided. Pass text, --messages, --file, or pipe via stdin.");
process.exit(1);
}
let meta: Record<string, unknown> | undefined;
if (opts.metadata) {
try {
meta = JSON.parse(opts.metadata);
} catch {
printError("Invalid JSON in --metadata.");
process.exit(1);
}
}
let cats: string[] | undefined;
if (opts.categories) {
try {
cats = JSON.parse(opts.categories);
} catch {
cats = opts.categories.split(",").map((c) => c.trim());
}
}
let result: Record<string, unknown>;
try {
result = await timedStatus("Adding memory...", async () => {
return backend.add(content ?? undefined, msgs, {
userId: opts.userId,
agentId: opts.agentId,
appId: opts.appId,
runId: opts.runId,
metadata: meta,
immutable: opts.immutable,
infer: !opts.noInfer,
expires: opts.expires,
categories: cats,
enableGraph: opts.enableGraph,
});
});
} catch (e) {
printError(e instanceof Error ? e.message : String(e));
process.exit(1);
}
if (opts.output === "quiet") return;
if (opts.output === "json") {
formatAddResult(result, opts.output);
return;
}
console.log();
printScope({ user_id: opts.userId, agent_id: opts.agentId, app_id: opts.appId, run_id: opts.runId });
const results = Array.isArray(result) ? result : ((result.results as unknown[]) ?? [result]);
const count = results.length;
printSuccess(`Memory processed — ${count} memor${count === 1 ? "y" : "ies"} extracted`);
formatAddResult(result, opts.output);
}
export async function cmdSearch(
backend: Backend,
query: string | undefined,
opts: {
userId?: string;
agentId?: string;
appId?: string;
runId?: string;
topK: number;
threshold: number;
rerank: boolean;
keyword: boolean;
filterJson?: string;
fields?: string;
enableGraph: boolean;
output: string;
},
): Promise<void> {
if (!query) {
printError("No query provided. Pass a query argument or pipe via stdin.");
process.exit(1);
}
let filters: Record<string, unknown> | undefined;
if (opts.filterJson) {
try {
filters = JSON.parse(opts.filterJson);
} catch {
printError("Invalid JSON in --filter.");
process.exit(1);
}
}
const fieldList = opts.fields ? opts.fields.split(",").map((f) => f.trim()) : undefined;
const start = performance.now();
let results: Record<string, unknown>[];
try {
results = await timedStatus("Searching memories...", async () => {
return backend.search(query!, {
userId: opts.userId,
agentId: opts.agentId,
appId: opts.appId,
runId: opts.runId,
topK: opts.topK,
threshold: opts.threshold,
rerank: opts.rerank,
keyword: opts.keyword,
filters,
fields: fieldList,
enableGraph: opts.enableGraph,
});
});
} catch (e) {
printError(e instanceof Error ? e.message : String(e));
process.exit(1);
}
const elapsed = (performance.now() - start) / 1000;
if (opts.output === "json") {
formatJson(results);
} else if (opts.output === "table") {
if (results.length > 0) {
formatMemoriesTable(results);
printResultSummary({ count: results.length, durationSecs: elapsed, scopeIds: { user_id: opts.userId, agent_id: opts.agentId } });
} else {
console.log();
printInfo("No memories found matching your query.");
console.log();
}
} else {
if (results.length > 0) {
formatMemoriesText(results);
printResultSummary({ count: results.length, durationSecs: elapsed, scopeIds: { user_id: opts.userId, agent_id: opts.agentId } });
} else {
console.log();
printInfo("No memories found matching your query.");
console.log();
}
}
}
export async function cmdGet(
backend: Backend,
memoryId: string,
opts: { output: string },
): Promise<void> {
let result: Record<string, unknown>;
try {
result = await timedStatus("Fetching memory...", async () => {
return backend.get(memoryId);
});
} catch (e) {
printError(e instanceof Error ? e.message : String(e));
process.exit(1);
}
formatSingleMemory(result, opts.output);
}
export async function cmdList(
backend: Backend,
opts: {
userId?: string;
agentId?: string;
appId?: string;
runId?: string;
page: number;
pageSize: number;
category?: string;
after?: string;
before?: string;
enableGraph: boolean;
output: string;
},
): Promise<void> {
const start = performance.now();
let results: Record<string, unknown>[];
try {
results = await timedStatus("Listing memories...", async () => {
return backend.listMemories({
userId: opts.userId,
agentId: opts.agentId,
appId: opts.appId,
runId: opts.runId,
page: opts.page,
pageSize: opts.pageSize,
category: opts.category,
after: opts.after,
before: opts.before,
enableGraph: opts.enableGraph,
});
});
} catch (e) {
printError(e instanceof Error ? e.message : String(e));
process.exit(1);
}
const elapsed = (performance.now() - start) / 1000;
if (opts.output === "json") {
formatJson(results);
} else if (opts.output === "table") {
if (results.length > 0) {
formatMemoriesTable(results);
printResultSummary({ count: results.length, durationSecs: elapsed, page: opts.page, scopeIds: { user_id: opts.userId, agent_id: opts.agentId } });
} else {
console.log();
printInfo("No memories found.");
console.log();
}
} else {
if (results.length > 0) {
formatMemoriesText(results, "memories");
printResultSummary({ count: results.length, durationSecs: elapsed, page: opts.page, scopeIds: { user_id: opts.userId, agent_id: opts.agentId } });
} else {
console.log();
printInfo("No memories found.");
console.log();
}
}
}
export async function cmdUpdate(
backend: Backend,
memoryId: string,
text: string | undefined,
opts: { metadata?: string; output: string },
): Promise<void> {
let meta: Record<string, unknown> | undefined;
if (opts.metadata) {
try {
meta = JSON.parse(opts.metadata);
} catch {
printError("Invalid JSON in --metadata.");
process.exit(1);
}
}
const start = performance.now();
let result: Record<string, unknown>;
try {
result = await timedStatus("Updating memory...", async () => {
return backend.update(memoryId, text, meta);
});
} catch (e) {
printError(e instanceof Error ? e.message : String(e));
process.exit(1);
}
const elapsed = (performance.now() - start) / 1000;
if (opts.output === "json") {
formatJson(result);
} else if (opts.output !== "quiet") {
printSuccess(`Memory ${memoryId.slice(0, 8)} updated (${elapsed.toFixed(2)}s)`);
}
}
export async function cmdDelete(
backend: Backend,
memoryId: string,
opts: { output: string; dryRun?: boolean; force?: boolean },
): Promise<void> {
if (opts.dryRun) {
let mem: Record<string, unknown>;
try {
mem = await backend.get(memoryId);
} catch (e) {
printError(e instanceof Error ? e.message : String(e));
process.exit(1);
}
const text = (mem.memory ?? mem.text ?? "") as string;
printInfo(`Would delete memory ${memoryId.slice(0, 8)}: ${text}`);
printInfo("No changes made.");
return;
}
const start = performance.now();
let result: Record<string, unknown>;
try {
result = await timedStatus("Deleting...", async () => {
return backend.delete(memoryId);
});
} catch (e) {
printError(e instanceof Error ? e.message : String(e));
process.exit(1);
}
const elapsed = (performance.now() - start) / 1000;
if (opts.output === "json") {
formatJson(result);
} else if (opts.output !== "quiet") {
printSuccess(`Memory ${memoryId.slice(0, 8)} deleted (${elapsed.toFixed(2)}s)`);
}
}
export async function cmdDeleteAll(
backend: Backend,
opts: {
force: boolean;
dryRun?: boolean;
all?: boolean;
userId?: string;
agentId?: string;
appId?: string;
runId?: string;
output: string;
},
): Promise<void> {
if (opts.all) {
// Project-wide wipe using wildcard entity IDs
if (opts.dryRun) {
printInfo("Would delete ALL memories project-wide.");
printInfo("No changes made.");
return;
}
if (!opts.force) {
const readline = await import("node:readline");
const rl = readline.createInterface({ input: process.stdin, output: process.stdout });
const answer = await new Promise<string>((resolve) => {
rl.question(`\n \u26a0 Delete ALL memories across the ENTIRE project? This cannot be undone. [y/N] `, resolve);
});
rl.close();
if (answer.toLowerCase() !== "y") {
printInfo("Cancelled.");
process.exit(0);
}
}
const start = performance.now();
let result: Record<string, unknown>;
try {
result = await timedStatus("Deleting all memories project-wide...", async () => {
return backend.delete(undefined, {
all: true,
userId: "*",
agentId: "*",
appId: "*",
runId: "*",
});
});
} catch (e) {
printError(e instanceof Error ? e.message : String(e));
process.exit(1);
}
const elapsed = (performance.now() - start) / 1000;
if (opts.output === "json") {
formatJson(result);
} else if (opts.output !== "quiet") {
if (result.message) {
printInfo("Deletion started. Memories will be removed in the background.");
} else {
printSuccess(`All project memories deleted (${elapsed.toFixed(2)}s)`);
}
}
return;
}
if (opts.dryRun) {
let memories: Record<string, unknown>[];
try {
memories = await backend.listMemories({
userId: opts.userId,
agentId: opts.agentId,
appId: opts.appId,
runId: opts.runId,
});
} catch (e) {
printError(e instanceof Error ? e.message : String(e));
process.exit(1);
}
printInfo(`Would delete ${memories.length} memories.`);
printInfo("No changes made.");
return;
}
if (!opts.force) {
const scopeParts: string[] = [];
if (opts.userId) scopeParts.push(`user=${opts.userId}`);
if (opts.agentId) scopeParts.push(`agent=${opts.agentId}`);
if (opts.appId) scopeParts.push(`app=${opts.appId}`);
if (opts.runId) scopeParts.push(`run=${opts.runId}`);
const scope = scopeParts.length > 0 ? scopeParts.join(", ") : "ALL entities";
const readline = await import("node:readline");
const rl = readline.createInterface({ input: process.stdin, output: process.stdout });
const answer = await new Promise<string>((resolve) => {
rl.question(`\n \u26a0 Delete ALL memories for ${scope}? This cannot be undone. [y/N] `, resolve);
});
rl.close();
if (answer.toLowerCase() !== "y") {
printInfo("Cancelled.");
process.exit(0);
}
}
const start = performance.now();
let result: Record<string, unknown>;
try {
result = await timedStatus("Deleting all memories...", async () => {
return backend.delete(undefined, {
all: true,
userId: opts.userId,
agentId: opts.agentId,
appId: opts.appId,
runId: opts.runId,
});
});
} catch (e) {
printError(e instanceof Error ? e.message : String(e));
process.exit(1);
}
const elapsed = (performance.now() - start) / 1000;
if (opts.output === "json") {
formatJson(result);
} else if (opts.output !== "quiet") {
if (result.message) {
printInfo("Deletion started. Memories will be removed in the background.");
} else {
printSuccess(`All matching memories deleted (${elapsed.toFixed(2)}s)`);
}
}
}
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/**
* Utility commands: status, version, import.
*/
import fs from "node:fs";
import { createRequire } from "node:module";
import { printError, printSuccess, timedStatus, colors } from "../branding.js";
import type { Backend } from "../backend/base.js";
import { formatJsonEnvelope } from "../output.js";
import boxen from "boxen";
const { brand, dim, success, error: errorColor } = colors;
const _require = createRequire(import.meta.url);
const VERSION: string = _require("../../package.json").version;
export async function cmdStatus(
backend: Backend,
opts: { userId?: string; agentId?: string; output?: string } = {},
): Promise<void> {
const start = performance.now();
let result: Record<string, unknown>;
try {
result = await timedStatus("Checking connection...", async () => {
return backend.status({ userId: opts.userId, agentId: opts.agentId });
});
} catch (e) {
result = { connected: false, error: e instanceof Error ? e.message : String(e) };
}
const elapsed = (performance.now() - start) / 1000;
if (opts.output === "json") {
formatJsonEnvelope({
command: "status",
data: {
connected: result.connected,
backend: result.backend ?? null,
base_url: result.base_url ?? null,
latency_ms: Math.round(elapsed * 1000),
},
durationMs: Math.round(elapsed * 1000),
});
return;
}
const lines: string[] = [];
if (result.connected) {
lines.push(` ${success("\u25cf")} Connected`);
} else {
lines.push(` ${errorColor("\u25cf")} Disconnected`);
}
lines.push(` ${dim("Backend:")} ${result.backend ?? "?"}`);
if (result.base_url) {
lines.push(` ${dim("API URL:")} ${result.base_url}`);
}
if (result.error) {
lines.push(` ${errorColor("Error:")} ${result.error}`);
}
lines.push(` ${dim("Latency:")} ${elapsed.toFixed(2)}s`);
const content = lines.join("\n");
console.log();
console.log(
boxen(content, {
title: brand("Connection Status"),
titleAlignment: "left",
borderColor: "magenta",
padding: 1,
}),
);
console.log();
}
export function cmdVersion(): void {
console.log(` ${brand("◆ Mem0")} CLI v${VERSION}`);
}
export async function cmdImport(
backend: Backend,
filePath: string,
opts: { userId?: string; agentId?: string; output?: string },
): Promise<void> {
let data: Record<string, unknown>[];
try {
const raw = fs.readFileSync(filePath, "utf-8");
const parsed = JSON.parse(raw);
data = Array.isArray(parsed) ? parsed : [parsed];
} catch (e) {
printError(`Failed to read file: ${e instanceof Error ? e.message : e}`);
process.exit(1);
}
let added = 0;
let failed = 0;
const start = performance.now();
for (let i = 0; i < data.length; i++) {
const item = data[i];
const content = (item.memory ?? item.text ?? item.content ?? "") as string;
if (!content) {
failed++;
continue;
}
try {
await backend.add(content, undefined, {
userId: opts.userId ?? (item.user_id as string | undefined),
agentId: opts.agentId ?? (item.agent_id as string | undefined),
metadata: item.metadata as Record<string, unknown> | undefined,
});
added++;
} catch {
failed++;
}
// Simple progress indicator
if ((i + 1) % 10 === 0 || i === data.length - 1) {
process.stdout.write(`\r ${dim(`Importing memories... ${i + 1}/${data.length}`)}`);
}
}
const elapsed = (performance.now() - start) / 1000;
console.log(); // Clear progress line
if (opts.output === "json") {
formatJsonEnvelope({
command: "import",
data: { added, failed, duration_s: parseFloat(elapsed.toFixed(2)) },
durationMs: Math.round(elapsed * 1000),
});
return;
}
printSuccess(`Imported ${added} memories (${elapsed.toFixed(2)}s)`);
if (failed > 0) {
printError(`${failed} memories failed to import.`);
}
}
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/**
* Configuration management for mem0 CLI.
*
* Config precedence (highest to lowest):
* 1. CLI flags (--api-key, --base-url, etc.)
* 2. Environment variables (MEM0_API_KEY, etc.)
* 3. Config file (~/.mem0/config.json)
* 4. Defaults
*/
import fs from "node:fs";
import os from "node:os";
import path from "node:path";
export const CONFIG_DIR = path.join(os.homedir(), ".mem0");
export const CONFIG_FILE = path.join(CONFIG_DIR, "config.json");
export const DEFAULT_BASE_URL = "https://api.mem0.ai";
export const CONFIG_VERSION = 1;
export interface PlatformConfig {
apiKey: string;
baseUrl: string;
}
export interface DefaultsConfig {
userId: string;
agentId: string;
appId: string;
runId: string;
enableGraph: boolean;
}
export interface Mem0Config {
version: number;
defaults: DefaultsConfig;
platform: PlatformConfig;
}
export function createDefaultConfig(): Mem0Config {
return {
version: CONFIG_VERSION,
defaults: {
userId: "",
agentId: "",
appId: "",
runId: "",
enableGraph: false,
},
platform: {
apiKey: "",
baseUrl: DEFAULT_BASE_URL,
},
};
}
export function ensureConfigDir(): string {
fs.mkdirSync(CONFIG_DIR, { recursive: true, mode: 0o700 });
return CONFIG_DIR;
}
export function loadConfig(): Mem0Config {
const config = createDefaultConfig();
if (fs.existsSync(CONFIG_FILE)) {
const raw = fs.readFileSync(CONFIG_FILE, "utf-8");
const data = JSON.parse(raw);
config.version = data.version ?? CONFIG_VERSION;
const plat = data.platform ?? {};
config.platform.apiKey = plat.api_key ?? "";
config.platform.baseUrl = plat.base_url ?? DEFAULT_BASE_URL;
const defaults = data.defaults ?? {};
config.defaults.userId = defaults.user_id ?? "";
config.defaults.agentId = defaults.agent_id ?? "";
config.defaults.appId = defaults.app_id ?? "";
config.defaults.runId = defaults.run_id ?? "";
config.defaults.enableGraph = defaults.enable_graph ?? false;
}
// Environment variable overrides
if (process.env.MEM0_API_KEY) config.platform.apiKey = process.env.MEM0_API_KEY;
if (process.env.MEM0_BASE_URL) config.platform.baseUrl = process.env.MEM0_BASE_URL;
if (process.env.MEM0_USER_ID) config.defaults.userId = process.env.MEM0_USER_ID;
if (process.env.MEM0_AGENT_ID) config.defaults.agentId = process.env.MEM0_AGENT_ID;
if (process.env.MEM0_APP_ID) config.defaults.appId = process.env.MEM0_APP_ID;
if (process.env.MEM0_RUN_ID) config.defaults.runId = process.env.MEM0_RUN_ID;
if (process.env.MEM0_ENABLE_GRAPH) {
config.defaults.enableGraph = ["true", "1", "yes"].includes(
process.env.MEM0_ENABLE_GRAPH.toLowerCase(),
);
}
return config;
}
export function saveConfig(config: Mem0Config): void {
ensureConfigDir();
const data = {
version: config.version,
defaults: {
user_id: config.defaults.userId,
agent_id: config.defaults.agentId,
app_id: config.defaults.appId,
run_id: config.defaults.runId,
enable_graph: config.defaults.enableGraph,
},
platform: {
api_key: config.platform.apiKey,
base_url: config.platform.baseUrl,
},
};
fs.writeFileSync(CONFIG_FILE, JSON.stringify(data, null, 2));
fs.chmodSync(CONFIG_FILE, 0o600);
}
export function redactKey(key: string): string {
if (!key) return "(not set)";
if (key.length <= 8) return key.slice(0, 2) + "***";
return key.slice(0, 4) + "..." + key.slice(-4);
}
/** Key map from dotted config path to the config object fields. */
const KEY_MAP: Record<string, [keyof Mem0Config, string]> = {
"platform.api_key": ["platform", "apiKey"],
"platform.base_url": ["platform", "baseUrl"],
"defaults.user_id": ["defaults", "userId"],
"defaults.agent_id": ["defaults", "agentId"],
"defaults.app_id": ["defaults", "appId"],
"defaults.run_id": ["defaults", "runId"],
"defaults.enable_graph": ["defaults", "enableGraph"],
};
export function getNestedValue(config: Mem0Config, dottedKey: string): unknown {
const mapping = KEY_MAP[dottedKey];
if (!mapping) return undefined;
const [section, field] = mapping;
return (config[section] as unknown as Record<string, unknown>)[field];
}
export function setNestedValue(config: Mem0Config, dottedKey: string, value: string): boolean {
const mapping = KEY_MAP[dottedKey];
if (!mapping) return false;
const [section, field] = mapping;
const obj = config[section] as unknown as Record<string, unknown>;
const current = obj[field];
if (typeof current === "boolean") {
obj[field] = ["true", "1", "yes"].includes(value.toLowerCase());
} else if (typeof current === "number") {
obj[field] = parseInt(value, 10);
} else {
obj[field] = value;
}
return true;
}
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/**
* Rich-style help formatter for Commander.js that matches the Python CLI's
* Typer + Rich output (rounded box panels, brand purple, grouped options).
*/
import chalk from "chalk";
import type { Command, Help, Option, Argument } from "commander";
// Colors imported from chalk directly to match Typer/Rich defaults
// ── Colors (matching Typer/Rich defaults) ────────────────────────────────
const cyanBold = chalk.cyan.bold; // option flags, command names
const greenBold = chalk.green.bold; // switch flags (boolean --force etc)
const yellowBold = chalk.yellow.bold; // metavar <value>
const yellow = chalk.yellow; // "Usage:" label
const bold = chalk.bold; // command name in usage
const dim = chalk.dim; // defaults, descriptions
const dimBorder = chalk.dim; // panel borders
// ── Strip ANSI ───────────────────────────────────────────────────────────
// eslint-disable-next-line no-control-regex
const ANSI_RE = /\x1b\[[0-9;]*m/g;
function stripAnsi(str: string): number {
return str.replace(ANSI_RE, "").length;
}
// ── Command display order (matches Python CLI) ──────────────────────────
/** Commands grouped into panels, matching Python CLI's rich_help_panel. */
const COMMAND_GROUPS: { panel: string; commands: string[] }[] = [
{
panel: "Memory",
commands: ["add", "search", "get", "list", "update", "delete"],
},
{
panel: "Management",
commands: ["init", "status", "import", "help", "entity", "config"],
},
];
/** Flat order derived from COMMAND_GROUPS. */
const COMMAND_ORDER: string[] = COMMAND_GROUPS.flatMap((g) => g.commands);
// ── Option-to-panel mapping (derived from Python's rich_help_panel) ─────
const OPTION_PANELS: Record<string, Record<string, string>> = {
add: {
"--user-id": "Scope",
"--agent-id": "Scope",
"--app-id": "Scope",
"--run-id": "Scope",
"--output": "Output",
"--api-key": "Connection",
"--base-url": "Connection",
},
search: {
"--user-id": "Scope",
"--agent-id": "Scope",
"--app-id": "Scope",
"--run-id": "Scope",
"--top-k": "Search",
"--threshold": "Search",
"--rerank": "Search",
"--keyword": "Search",
"--filter": "Search",
"--fields": "Search",
"--graph": "Search",
"--no-graph": "Search",
"--output": "Output",
"--api-key": "Connection",
"--base-url": "Connection",
},
get: {
"--output": "Output",
"--api-key": "Connection",
"--base-url": "Connection",
},
list: {
"--user-id": "Scope",
"--agent-id": "Scope",
"--app-id": "Scope",
"--run-id": "Scope",
"--page": "Pagination",
"--page-size": "Pagination",
"--category": "Filters",
"--after": "Filters",
"--before": "Filters",
"--graph": "Filters",
"--no-graph": "Filters",
"--output": "Output",
"--api-key": "Connection",
"--base-url": "Connection",
},
update: {
"--output": "Output",
"--api-key": "Connection",
"--base-url": "Connection",
},
delete: {
"--user-id": "Scope",
"--agent-id": "Scope",
"--app-id": "Scope",
"--run-id": "Scope",
"--output": "Output",
"--api-key": "Connection",
"--base-url": "Connection",
},
status: {
"--output": "Output",
"--api-key": "Connection",
"--base-url": "Connection",
},
import: {
"--user-id": "Scope",
"--agent-id": "Scope",
"--output": "Output",
"--api-key": "Connection",
"--base-url": "Connection",
},
};
const PANEL_ORDER: string[] = [
"Scope",
"Search",
"Pagination",
"Filters",
"Output",
"Connection",
];
// ── Panel rendering ─────────────────────────────────────────────────────
/**
* Render a Rich-style ROUNDED box panel.
*
* ```
* ╭─ Title ────────────────────────╮
* │ row content padded │
* ╰────────────────────────────────╯
* ```
*/
function renderPanel(
title: string,
rows: string[],
width: number,
): string {
if (rows.length === 0) return "";
// Inner width is total width minus the two border chars
const inner = width - 2;
// Top border: ╭─ Title ─...─╮
const titleStr = ` ${title} `;
const fillLen = Math.max(0, inner - 1 - titleStr.length);
const topLine =
dimBorder("╭─") +
dimBorder(titleStr) +
dimBorder("─".repeat(fillLen)) +
dimBorder("╮");
// Bottom border: ╰─...─╯
const bottomLine = dimBorder("╰") + dimBorder("─".repeat(inner)) + dimBorder("╯");
// Content rows
const contentLines = rows.map((row) => {
const visLen = stripAnsi(row);
const pad = Math.max(0, inner - 1 - visLen);
return dimBorder("│") + " " + row + " ".repeat(pad) + dimBorder("│");
});
return [topLine, ...contentLines, bottomLine].join("\n");
}
// ── Format an option term (short + long) ────────────────────────────────
function formatOptionTerm(opt: Option): string {
const parts: string[] = [];
if (opt.short) parts.push(opt.short);
if (opt.long) parts.push(opt.long);
let term = parts.join(", ");
// Append value placeholder for non-boolean options
if (opt.flags) {
const match = opt.flags.match(/<[^>]+>|\[[^\]]+\]/);
if (match) {
term += " " + match[0];
}
}
return term;
}
// ── Get the long flag name for panel lookup ─────────────────────────────
function getLongFlag(opt: Option): string {
if (opt.long) return opt.long;
return opt.short || "";
}
// ── Format a default value ──────────────────────────────────────────────
function formatDefault(opt: Option): string {
if (opt.defaultValue !== undefined && opt.defaultValue !== false) {
return dim(` [default: ${opt.defaultValue}]`);
}
return "";
}
// ── The main help formatter ─────────────────────────────────────────────
export function richFormatHelp(cmd: Command, helper: Help): string {
const width = process.stdout.columns || 80;
const lines: string[] = [];
const isRoot = !cmd.parent;
// ── Usage line ──
const usage = helper.commandUsage(cmd);
lines.push("");
if (isRoot) {
// Root: "Usage: mem0 <command> [options]" — <command> yellow, [options] bold
lines.push(` ${yellow("Usage:")} ${bold(cmd.name())} ${yellow("<command>")} ${bold("[options]")}`);
} else {
// Subcommands: split into command path (bold) and args (yellow)
const usageParts = usage.split(" ");
const cmdPath: string[] = [];
const argParts: string[] = [];
let pastCmd = false;
for (const part of usageParts) {
if (!pastCmd && !part.startsWith("[") && !part.startsWith("<")) {
cmdPath.push(part);
} else {
pastCmd = true;
argParts.push(part);
}
}
lines.push(` ${yellow("Usage:")} ${bold(cmdPath.join(" "))} ${yellow(argParts.join(" "))}`);
}
lines.push("");
// ── Description ──
const desc = helper.commandDescription(cmd);
if (desc) {
// Split multi-line descriptions (e.g., title + tagline)
const descLines = desc.split("\n");
for (let i = 0; i < descLines.length; i++) {
const dLine = descLines[i];
// First line is the title, subsequent non-empty lines are tagline (dimmed)
if (i === 0 || dLine.trim() === "") {
lines.push(` ${dLine}`);
} else {
lines.push(` ${dim(dLine)}`);
}
}
lines.push("");
}
// ── Arguments panel (subcommands only) ──
if (!isRoot) {
const visibleArgs = helper.visibleArguments(cmd);
if (visibleArgs.length > 0) {
const maxLen = Math.max(...visibleArgs.map((a: Argument) => a.name().length));
const argRows = visibleArgs.map((a: Argument) => {
const name = cyanBold(a.name().padEnd(maxLen));
const description = helper.argumentDescription(a);
return ` ${name} ${description}`;
});
const panel = renderPanel("Arguments", argRows, width);
if (panel) lines.push(panel);
}
}
// ── Collect options (grouped into panels for subcommands) ──
const visibleOpts = helper.visibleOptions(cmd);
const cmdName = cmd.name();
const panelMap = (!isRoot && OPTION_PANELS[cmdName]) ? OPTION_PANELS[cmdName] : {};
const grouped: Record<string, Option[]> = { Options: [] };
for (const panelName of PANEL_ORDER) {
grouped[panelName] = [];
}
for (const opt of visibleOpts) {
const flag = getLongFlag(opt);
const panel = panelMap[flag];
if (panel && PANEL_ORDER.includes(panel)) {
grouped[panel].push(opt);
} else {
grouped["Options"].push(opt);
}
}
// ── Collect commands ──
const visibleCmds = helper.visibleCommands(cmd);
if (isRoot) {
// ROOT: Options first, then command groups (matches Python/Typer ordering)
if (grouped["Options"].length > 0) {
const optRows = formatOptionRows(grouped["Options"]);
const panel = renderPanel("Options", optRows, width);
if (panel) lines.push(panel);
}
if (visibleCmds.length > 0) {
const cmdMap = new Map(visibleCmds.map((c) => [c.name(), c]));
for (const group of COMMAND_GROUPS) {
const groupCmds = group.commands
.map((name) => cmdMap.get(name))
.filter((c): c is Command => c !== undefined);
if (groupCmds.length === 0) continue;
const maxLen = Math.max(...groupCmds.map((c) => c.name().length));
const cmdRows = groupCmds.map((c) => {
const name = cyanBold(c.name().padEnd(maxLen));
const description = helper.subcommandDescription(c);
return ` ${name} ${description}`;
});
const panel = renderPanel(group.panel, cmdRows, width);
if (panel) lines.push(panel);
}
}
} else {
// SUBCOMMANDS: Options/panels first, then sub-subcommands
const panelSequence = ["Options", ...PANEL_ORDER];
for (const panelName of panelSequence) {
const opts = grouped[panelName];
if (opts && opts.length > 0) {
const optRows = formatOptionRows(opts);
const panel = renderPanel(panelName, optRows, width);
if (panel) lines.push(panel);
}
}
// Sub-subcommands (e.g., config show/get/set, entity list/delete)
if (visibleCmds.length > 0) {
const maxLen = Math.max(...visibleCmds.map((c) => c.name().length));
const cmdRows = visibleCmds.map((c) => {
const name = cyanBold(c.name().padEnd(maxLen));
const description = helper.subcommandDescription(c);
return ` ${name} ${description}`;
});
const panel = renderPanel("Commands", cmdRows, width);
if (panel) lines.push(panel);
}
}
lines.push("");
return lines.join("\n");
}
// ── Format option rows with aligned columns ─────────────────────────────
function formatOptionRows(opts: Option[]): string[] {
const terms = opts.map((o) => formatOptionTerm(o));
const maxTermLen = Math.max(...terms.map((t) => t.length));
return opts.map((opt, i) => {
const term = cyanBold(terms[i].padEnd(maxTermLen));
const desc = opt.description || "";
const def = formatDefault(opt);
return ` ${term} ${desc}${def}`;
});
}
// ── Sort commands by COMMAND_ORDER ──────────────────────────────────────
function sortCommands(cmds: Command[]): Command[] {
return [...cmds].sort((a, b) => {
const ai = COMMAND_ORDER.indexOf(a.name());
const bi = COMMAND_ORDER.indexOf(b.name());
// Unknown commands go to end, preserving original order
const aIdx = ai === -1 ? COMMAND_ORDER.length : ai;
const bIdx = bi === -1 ? COMMAND_ORDER.length : bi;
return aIdx - bIdx;
});
}
+501
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#!/usr/bin/env node
/**
* Main CLI application — the entrypoint for `mem0`.
*/
import fs from "node:fs";
import path from "node:path";
import { fileURLToPath } from "node:url";
import { createRequire } from "node:module";
import { Command } from "commander";
import type { Mem0Config } from "./config.js";
import { loadConfig } from "./config.js";
import { getBackend, type Backend } from "./backend/index.js";
import { printError, colors } from "./branding.js";
import { richFormatHelp } from "./help.js";
const _require = createRequire(import.meta.url);
const VERSION: string = _require("../package.json").version;
const program = new Command();
// ── Helpers ──────────────────────────────────────────────────────────────
function getBackendAndConfig(
apiKey?: string,
baseUrl?: string,
): { backend: Backend; config: Mem0Config } {
const config = loadConfig();
if (apiKey) config.platform.apiKey = apiKey;
if (baseUrl) config.platform.baseUrl = baseUrl;
if (!config.platform.apiKey) {
printError(
"No API key configured.",
"Run 'mem0 init' or set MEM0_API_KEY environment variable.",
);
process.exit(1);
}
return { backend: getBackend(config), config };
}
function getBackendOnly(apiKey?: string, baseUrl?: string): Backend {
return getBackendAndConfig(apiKey, baseUrl).backend;
}
/**
* Resolve entity IDs: CLI flag > config default > undefined.
*
* If any explicit ID is provided, only use explicit IDs (don't mix
* in defaults for other entity types which would over-filter).
* If no explicit IDs, fall back to all configured defaults.
*/
function resolveIds(
config: Mem0Config,
opts: {
userId?: string;
agentId?: string;
appId?: string;
runId?: string;
},
): { userId?: string; agentId?: string; appId?: string; runId?: string } {
const hasExplicit = !!(opts.userId || opts.agentId || opts.appId || opts.runId);
if (hasExplicit) {
return {
userId: opts.userId || undefined,
agentId: opts.agentId || undefined,
appId: opts.appId || undefined,
runId: opts.runId || undefined,
};
}
return {
userId: config.defaults.userId || undefined,
agentId: config.defaults.agentId || undefined,
appId: config.defaults.appId || undefined,
runId: config.defaults.runId || undefined,
};
}
/**
* Resolve graph tri-state: --no-graph > --graph > config default.
*/
function resolveGraph(
config: Mem0Config,
opts: { graph?: boolean; noGraph?: boolean },
): boolean {
if (opts.noGraph) return false;
if (opts.graph) return true;
return config.defaults.enableGraph;
}
// ── Main program ──────────────────────────────────────────────────────────
program
.name("mem0")
.description(`◆ Mem0 CLI v${VERSION} · Node.js SDK\n\nThe Memory Layer for AI Agents`)
.option("--version", "Show version and exit.")
.on("option:version", () => {
console.log(` ${colors.brand("◆ Mem0")} CLI v${VERSION}`);
process.exit(0);
})
.usage("<command> [options]")
.helpOption("--help", "Show this message and exit.")
.addHelpCommand(false)
.configureHelp({ formatHelp: richFormatHelp });
// ── Init ──────────────────────────────────────────────────────────────────
program
.command("init")
.description("Interactive setup wizard for mem0 CLI.")
.option("--api-key <key>", "API key (skip prompt).")
.option("-u, --user-id <id>", "Default user ID (skip prompt).")
.addHelpText("after", "\nExamples:\n $ mem0 init\n $ mem0 init --api-key m0-xxx --user-id alice")
.action(async (opts) => {
const { runInit } = await import("./commands/init.js");
await runInit({ apiKey: opts.apiKey, userId: opts.userId });
});
// ── Memory: add ───────────────────────────────────────────────────────────
program
.command("add [text]")
.description("Add a memory from text, messages, file, or stdin.")
.option("-u, --user-id <id>", "Scope to user.")
.option("--agent-id <id>", "Scope to agent.")
.option("--app-id <id>", "Scope to app.")
.option("--run-id <id>", "Scope to run.")
.option("--messages <json>", "Conversation messages as JSON.")
.option("-f, --file <path>", "Read messages from JSON file.")
.option("-m, --metadata <json>", "Custom metadata as JSON.")
.option("--immutable", "Prevent future updates.", false)
.option("--no-infer", "Skip inference, store raw.")
.option("--expires <date>", "Expiration date (YYYY-MM-DD).")
.option("--categories <value>", "Categories (JSON array or comma-separated).")
.option("--graph", "Enable graph memory extraction.", false)
.option("--no-graph", "Disable graph memory extraction.")
.option("-o, --output <format>", "Output format: text, json, quiet.", "text")
.option("--api-key <key>", "Override API key.")
.option("--base-url <url>", "Override API base URL.")
.addHelpText("after", '\nExamples:\n $ mem0 add "I prefer dark mode" --user-id alice\n $ echo "text" | mem0 add -u alice\n $ mem0 add --file msgs.json -u alice -o json')
.action(async (text, opts) => {
const { cmdAdd } = await import("./commands/memory.js");
const { backend, config } = getBackendAndConfig(opts.apiKey, opts.baseUrl);
const ids = resolveIds(config, opts);
const enableGraph = resolveGraph(config, opts);
await cmdAdd(backend, text, { ...ids, ...opts, enableGraph });
});
// ── Memory: search ────────────────────────────────────────────────────────
program
.command("search [query]")
.description("Search memories by semantic query.")
.option("-u, --user-id <id>", "Filter by user.")
.option("--agent-id <id>", "Filter by agent.")
.option("--app-id <id>", "Filter by app.")
.option("--run-id <id>", "Filter by run.")
.option("-k, --top-k <n>", "Number of results.", (v) => parseInt(v), 10)
.option("--threshold <n>", "Minimum similarity score.", (v) => parseFloat(v), 0.3)
.option("--rerank", "Enable reranking (Platform only).", false)
.option("--keyword", "Use keyword search.", false)
.option("--filter <json>", "Advanced filter expression (JSON).")
.option("--fields <list>", "Specific fields to return (comma-separated).")
.option("--graph", "Enable graph in search.", false)
.option("--no-graph", "Disable graph in search.")
.option("-o, --output <format>", "Output: text, json, table.", "text")
.option("--api-key <key>", "Override API key.")
.option("--base-url <url>", "Override API base URL.")
.addHelpText("after", '\nExamples:\n $ mem0 search "preferences" --user-id alice\n $ mem0 search "tools" -u alice -o json -k 5\n $ echo "preferences" | mem0 search -u alice')
.action(async (query, opts) => {
let resolvedQuery = query;
if (!resolvedQuery && !process.stdin.isTTY) {
resolvedQuery = fs.readFileSync(0, "utf-8").trim();
}
if (!resolvedQuery) {
printError("No query provided. Pass a query argument or pipe via stdin.");
process.exit(1);
}
const { cmdSearch } = await import("./commands/memory.js");
const { backend, config } = getBackendAndConfig(opts.apiKey, opts.baseUrl);
const ids = resolveIds(config, opts);
const enableGraph = resolveGraph(config, opts);
await cmdSearch(backend, resolvedQuery, {
...ids,
topK: opts.topK,
threshold: opts.threshold,
rerank: opts.rerank,
keyword: opts.keyword,
filterJson: opts.filter,
fields: opts.fields,
enableGraph,
output: opts.output,
});
});
// ── Memory: get ───────────────────────────────────────────────────────────
program
.command("get <memoryId>")
.description("Get a specific memory by ID.")
.option("-o, --output <format>", "Output: text, json.", "text")
.option("--api-key <key>", "Override API key.")
.option("--base-url <url>", "Override API base URL.")
.addHelpText("after", "\nExamples:\n $ mem0 get abc-123-def-456\n $ mem0 get abc-123-def-456 -o json")
.action(async (memoryId, opts) => {
const { cmdGet } = await import("./commands/memory.js");
const backend = getBackendOnly(opts.apiKey, opts.baseUrl);
await cmdGet(backend, memoryId, { output: opts.output });
});
// ── Memory: list ──────────────────────────────────────────────────────────
program
.command("list")
.description("List memories with optional filters.")
.option("-u, --user-id <id>", "Filter by user.")
.option("--agent-id <id>", "Filter by agent.")
.option("--app-id <id>", "Filter by app.")
.option("--run-id <id>", "Filter by run.")
.option("--page <n>", "Page number.", (v) => parseInt(v), 1)
.option("--page-size <n>", "Results per page.", (v) => parseInt(v), 100)
.option("--category <name>", "Filter by category.")
.option("--after <date>", "Created after (YYYY-MM-DD).")
.option("--before <date>", "Created before (YYYY-MM-DD).")
.option("--graph", "Enable graph in listing.", false)
.option("--no-graph", "Disable graph in listing.")
.option("-o, --output <format>", "Output: text, json, table.", "table")
.option("--api-key <key>", "Override API key.")
.option("--base-url <url>", "Override API base URL.")
.addHelpText("after", "\nExamples:\n $ mem0 list -u alice\n $ mem0 list --category prefs --after 2024-01-01 -o json")
.action(async (opts) => {
const { cmdList } = await import("./commands/memory.js");
const { backend, config } = getBackendAndConfig(opts.apiKey, opts.baseUrl);
const ids = resolveIds(config, opts);
const enableGraph = resolveGraph(config, opts);
await cmdList(backend, {
...ids,
page: opts.page,
pageSize: opts.pageSize,
category: opts.category,
after: opts.after,
before: opts.before,
enableGraph,
output: opts.output,
});
});
// ── Memory: update ────────────────────────────────────────────────────────
program
.command("update <memoryId> [text]")
.description("Update a memory's text or metadata.")
.option("-m, --metadata <json>", "Update metadata (JSON).")
.option("-o, --output <format>", "Output: text, json, quiet.", "text")
.option("--api-key <key>", "Override API key.")
.option("--base-url <url>", "Override API base URL.")
.addHelpText("after", `\nExamples:\n $ mem0 update abc-123 "new text"\n $ mem0 update abc-123 --metadata '{"key":"val"}'\n $ echo "new text" | mem0 update abc-123`)
.action(async (memoryId, text, opts) => {
let resolvedText = text;
if (!resolvedText && !opts.metadata && !process.stdin.isTTY) {
resolvedText = fs.readFileSync(0, "utf-8").trim();
}
const { cmdUpdate } = await import("./commands/memory.js");
const backend = getBackendOnly(opts.apiKey, opts.baseUrl);
await cmdUpdate(backend, memoryId, resolvedText, { metadata: opts.metadata, output: opts.output });
});
// ── Memory: delete (consolidated) ─────────────────────────────────────────
program
.command("delete [memoryId]")
.description("Delete a memory, all memories matching a scope, or an entity.")
.option("--all", "Delete all memories matching scope filters.", false)
.option("--entity", "Delete the entity itself and all its memories (cascade).", false)
.option("--project", "With --all: delete ALL memories project-wide.", false)
.option("--dry-run", "Show what would be deleted without deleting.", false)
.option("--force", "Skip confirmation.", false)
.option("-u, --user-id <id>", "Scope to user.")
.option("--agent-id <id>", "Scope to agent.")
.option("--app-id <id>", "Scope to app.")
.option("--run-id <id>", "Scope to run.")
.option("-o, --output <format>", "Output: text, json, quiet.", "text")
.option("--api-key <key>", "Override API key.")
.option("--base-url <url>", "Override API base URL.")
.addHelpText("after", [
"\nExamples:",
" $ mem0 delete abc-123-def-456 # single memory",
" $ mem0 delete --all -u alice --force # all memories for user",
" $ mem0 delete --all --project --force # project-wide wipe",
" $ mem0 delete --entity -u alice --force # entity + all its memories",
].join("\n"))
.action(async (memoryId, opts) => {
// ── Mutual-exclusion checks ──
if (memoryId && opts.all) {
printError("Cannot combine <memoryId> with --all. Use one or the other.");
process.exit(1);
}
if (memoryId && opts.entity) {
printError("Cannot combine <memoryId> with --entity. Use one or the other.");
process.exit(1);
}
if (opts.all && opts.entity) {
printError("Cannot combine --all with --entity. Use one or the other.");
process.exit(1);
}
if (!memoryId && !opts.all && !opts.entity) {
printError(
"Specify a memory ID, --all, or --entity.\n" +
" mem0 delete <id> Delete a single memory\n" +
" mem0 delete --all [scope] Delete all memories matching scope\n" +
" mem0 delete --entity [scope] Delete an entity and all its memories",
);
process.exit(1);
}
// ── Dispatch: single memory ──
if (memoryId) {
const { cmdDelete } = await import("./commands/memory.js");
const backend = getBackendOnly(opts.apiKey, opts.baseUrl);
await cmdDelete(backend, memoryId, { output: opts.output, dryRun: opts.dryRun, force: opts.force });
return;
}
// ── Dispatch: --all ──
if (opts.all) {
const { cmdDeleteAll } = await import("./commands/memory.js");
const { backend, config } = getBackendAndConfig(opts.apiKey, opts.baseUrl);
const ids = opts.project
? { userId: undefined, agentId: undefined, appId: undefined, runId: undefined }
: resolveIds(config, opts);
await cmdDeleteAll(backend, { force: opts.force, dryRun: opts.dryRun, all: opts.project, ...ids, output: opts.output });
return;
}
// ── Dispatch: --entity ──
if (opts.entity) {
const { cmdEntitiesDelete } = await import("./commands/entities.js");
const backend = getBackendOnly(opts.apiKey, opts.baseUrl);
await cmdEntitiesDelete(backend, opts);
return;
}
});
// ── Config subcommands ────────────────────────────────────────────────────
const configCmd = program
.command("config")
.description("Manage mem0 configuration.")
.addHelpCommand(false);
configCmd
.command("show")
.description("Display current configuration (secrets redacted).")
.option("-o, --output <format>", "Output: text, json.", "text")
.addHelpText("after", "\nExamples:\n $ mem0 config show\n $ mem0 config show -o json")
.action(async (opts) => {
const { cmdConfigShow } = await import("./commands/config.js");
cmdConfigShow({ output: opts.output });
});
configCmd
.command("get <key>")
.description("Get a configuration value.")
.addHelpText("after", "\nExamples:\n $ mem0 config get platform.api_key\n $ mem0 config get defaults.user_id")
.action(async (key) => {
const { cmdConfigGet } = await import("./commands/config.js");
cmdConfigGet(key);
});
configCmd
.command("set <key> <value>")
.description("Set a configuration value.")
.addHelpText("after", "\nExamples:\n $ mem0 config set defaults.user_id alice\n $ mem0 config set platform.base_url https://api.mem0.ai")
.action(async (key, value) => {
const { cmdConfigSet } = await import("./commands/config.js");
cmdConfigSet(key, value);
});
// ── Entity subcommand group ───────────────────────────────────────────────
const entityCmd = program
.command("entity")
.description("Manage entities.")
.addHelpCommand(false)
.configureHelp({ formatHelp: richFormatHelp });
entityCmd
.command("list <entityType>")
.description("List all entities of a given type.")
.option("-o, --output <format>", "Output: table, json.", "table")
.option("--api-key <key>", "Override API key.")
.option("--base-url <url>", "Override API base URL.")
.addHelpText("after", "\nExamples:\n $ mem0 entity list users\n $ mem0 entity list agents -o json")
.action(async (entityType, opts) => {
const { cmdEntitiesList } = await import("./commands/entities.js");
const backend = getBackendOnly(opts.apiKey, opts.baseUrl);
await cmdEntitiesList(backend, entityType, { output: opts.output });
});
entityCmd
.command("delete")
.description("Delete an entity and ALL its memories (cascade).")
.option("--dry-run", "Show what would be deleted without deleting.", false)
.option("-u, --user-id <id>", "Scope to user.")
.option("--agent-id <id>", "Scope to agent.")
.option("--app-id <id>", "Scope to app.")
.option("--run-id <id>", "Scope to run.")
.option("--force", "Skip confirmation.", false)
.option("-o, --output <format>", "Output: text, json, quiet.", "text")
.option("--api-key <key>", "Override API key.")
.option("--base-url <url>", "Override API base URL.")
.addHelpText("after", "\nExamples:\n $ mem0 entity delete --user-id alice --force\n $ mem0 entity delete --user-id alice --dry-run")
.action(async (opts) => {
const { cmdEntitiesDelete } = await import("./commands/entities.js");
const backend = getBackendOnly(opts.apiKey, opts.baseUrl);
await cmdEntitiesDelete(backend, opts);
});
// ── Utility commands ──────────────────────────────────────────────────────
program
.command("status")
.description("Check connectivity and authentication.")
.option("-o, --output <format>", "Output: text, json.", "text")
.option("--api-key <key>", "Override API key.")
.option("--base-url <url>", "Override API base URL.")
.addHelpText("after", "\nExamples:\n $ mem0 status\n $ mem0 status -o json")
.action(async (opts) => {
const { cmdStatus } = await import("./commands/utils.js");
const { backend, config } = getBackendAndConfig(opts.apiKey, opts.baseUrl);
await cmdStatus(backend, {
userId: config.defaults.userId || undefined,
agentId: config.defaults.agentId || undefined,
output: opts.output,
});
});
program
.command("import <filePath>")
.description("Import memories from a JSON file.")
.option("-u, --user-id <id>", "Override user ID.")
.option("--agent-id <id>", "Override agent ID.")
.option("-o, --output <format>", "Output: text, json.", "text")
.option("--api-key <key>", "Override API key.")
.option("--base-url <url>", "Override API base URL.")
.addHelpText("after", "\nExamples:\n $ mem0 import data.json --user-id alice\n $ mem0 import data.json -u alice -o json")
.action(async (filePath, opts) => {
const { cmdImport } = await import("./commands/utils.js");
const { backend, config } = getBackendAndConfig(opts.apiKey, opts.baseUrl);
const ids = resolveIds(config, opts);
await cmdImport(backend, filePath, { userId: ids.userId, agentId: ids.agentId, output: opts.output });
});
// ── Help (machine-readable) ──────────────────────────────────────────────
program
.command("help")
.description("Show help. Use --json for machine-readable output (for LLM agents).")
.option("--json", "Output machine-readable JSON for LLM agents.", false)
.addHelpText("after", "\nExamples:\n $ mem0 help\n $ mem0 help --json")
.action((opts) => {
if (opts.json) {
// Load spec from parent directory
const __dirname = path.dirname(fileURLToPath(import.meta.url));
const specPath = path.join(__dirname, "..", "..", "cli-spec.json");
if (fs.existsSync(specPath)) {
const spec = JSON.parse(fs.readFileSync(specPath, "utf-8"));
console.log(JSON.stringify(spec, null, 2));
} else {
console.log(JSON.stringify({ name: "mem0", version: VERSION, description: "The Memory Layer for AI Agents" }, null, 2));
}
} else {
const { brand: b } = colors;
console.log(`${b("◆ Mem0 CLI")} v${VERSION} · Node.js SDK\n The Memory Layer for AI Agents\n`);
console.log("Usage: mem0 <command> [OPTIONS]\n");
console.log("Commands:");
console.log(" add Add a memory from text, messages, file, or stdin");
console.log(" search Search memories by semantic query");
console.log(" get Get a specific memory by ID");
console.log(" list List memories with optional filters");
console.log(" update Update a memory's text or metadata");
console.log(" delete Delete a memory, all memories, or an entity");
console.log(" import Import memories from a JSON file");
console.log(" config Manage configuration (show, get, set)");
console.log(" entity Manage entities (list, delete)");
console.log(" init Interactive setup wizard");
console.log(" status Check connectivity and authentication");
console.log();
console.log(" mem0 <command> --help Get help for a command");
console.log(" mem0 help --json Machine-readable help (for LLM agents)");
console.log();
}
});
// ── Entrypoint ────────────────────────────────────────────────────────────
program.parse();
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/**
* Output formatting for mem0 CLI — text, JSON, table, quiet modes.
*/
import Table from "cli-table3";
import boxen from "boxen";
import { colors, sym } from "./branding.js";
const { brand, accent, success, error: errorColor, dim } = colors;
function formatDate(dtStr?: string): string | undefined {
if (!dtStr) return undefined;
try {
const dt = new Date(dtStr.replace("Z", "+00:00"));
return dt.toISOString().slice(0, 10);
} catch {
return dtStr?.slice(0, 10);
}
}
export function formatMemoriesText(
memories: Record<string, unknown>[],
title = "memories",
): void {
const count = memories.length;
console.log(`\n${brand(`Found ${count} ${title}:`)}\n`);
for (let i = 0; i < memories.length; i++) {
const mem = memories[i];
const memoryText = (mem.memory ?? mem.text ?? "") as string;
const memId = ((mem.id as string) ?? "").slice(0, 8);
const score = mem.score as number | undefined;
const created = formatDate(mem.created_at as string | undefined);
let category: string | undefined;
const cats = mem.categories;
if (Array.isArray(cats)) {
category = cats[0] as string | undefined;
}
console.log(` ${i + 1}. ${memoryText}`);
const details: string[] = [];
if (score !== undefined) details.push(`Score: ${score.toFixed(2)}`);
if (memId) details.push(`ID: ${memId}`);
if (created) details.push(`Created: ${created}`);
if (category) details.push(`Category: ${category}`);
if (details.length > 0) {
console.log(` ${dim(details.join(" · "))}`);
}
console.log();
}
}
export function formatMemoriesTable(memories: Record<string, unknown>[]): void {
const table = new Table({
head: [accent("ID"), accent("Memory"), accent("Category"), accent("Created")],
colWidths: [12, 52, 16, 14],
wordWrap: true,
style: { head: [], border: [] },
});
for (const mem of memories) {
const memId = ((mem.id as string) ?? "").slice(0, 8);
let memoryText = (mem.memory ?? mem.text ?? "") as string;
if (memoryText.length > 60) {
memoryText = memoryText.slice(0, 57) + "...";
}
const categories = mem.categories;
const cat =
Array.isArray(categories) && categories.length > 0
? (categories[0] as string)
: "—";
const created = formatDate(mem.created_at as string | undefined) ?? "—";
table.push([dim(memId), memoryText, cat, created]);
}
console.log();
console.log(table.toString());
console.log();
}
export function formatJson(data: unknown): void {
console.log(JSON.stringify(data, null, 2));
}
export function formatSingleMemory(
mem: Record<string, unknown>,
output = "text",
): void {
if (output === "json") {
formatJson(mem);
return;
}
const memoryText = (mem.memory ?? mem.text ?? "") as string;
const memId = (mem.id ?? "") as string;
const lines: string[] = [];
lines.push(` ${memoryText}`);
lines.push("");
if (memId) lines.push(` ${dim("ID:")} ${memId}`);
const created = formatDate(mem.created_at as string | undefined);
if (created) lines.push(` ${dim("Created:")} ${created}`);
const updated = formatDate(mem.updated_at as string | undefined);
if (updated) lines.push(` ${dim("Updated:")} ${updated}`);
const meta = mem.metadata;
if (meta) lines.push(` ${dim("Metadata:")} ${JSON.stringify(meta)}`);
const categories = mem.categories;
if (categories) {
const catStr = Array.isArray(categories) ? categories.join(", ") : String(categories);
lines.push(` ${dim("Categories:")} ${catStr}`);
}
const content = lines.join("\n");
console.log();
console.log(
boxen(content, {
title: brand("Memory"),
titleAlignment: "left",
borderColor: "magenta",
padding: 1,
}),
);
console.log();
}
export function formatAddResult(
result: Record<string, unknown> | Record<string, unknown>[],
output = "text",
): void {
if (output === "json") {
formatJson(result);
return;
}
if (output === "quiet") return;
const results: Record<string, unknown>[] = Array.isArray(result)
? result
: ((result.results as Record<string, unknown>[]) ?? [result]);
if (!results.length) {
console.log(` ${dim("No memories extracted.")}`);
return;
}
console.log();
for (const r of results) {
// Detect async PENDING response
if (r.status === "PENDING") {
const eventId = ((r.event_id as string) ?? "").slice(0, 8);
const icon = accent(sym("⧗", "..."));
const parts = [` ${icon} ${dim("Queued".padEnd(10))}`, "Processing in background"];
if (eventId) parts.push(dim(`(event ${eventId})`));
console.log(parts.join(" "));
continue;
}
const event = (r.event ?? "ADD") as string;
const memory = (r.memory ?? r.text ?? r.content ?? r.data ?? "") as string;
const memId = ((r.id as string) ?? (r.memory_id as string) ?? "").slice(0, 8);
let icon: string;
let label: string;
if (event === "ADD") {
icon = success("+");
label = "Added";
} else if (event === "UPDATE") {
icon = accent("~");
label = "Updated";
} else if (event === "DELETE") {
icon = errorColor("-");
label = "Deleted";
} else if (event === "NOOP") {
icon = dim("·");
label = "No change";
} else {
icon = dim("?");
label = event;
}
const parts = [` ${icon} ${dim(label.padEnd(10))}`];
if (memory) parts.push(memory);
if (memId) parts.push(dim(`(${memId})`));
console.log(parts.join(" "));
}
console.log();
}
export function formatJsonEnvelope(opts: {
command: string;
data: unknown;
durationMs?: number;
scope?: Record<string, string | undefined>;
count?: number;
status?: string;
error?: string;
}): void {
const envelope: Record<string, unknown> = {
status: opts.status ?? "success",
command: opts.command,
};
if (opts.durationMs !== undefined) envelope.duration_ms = opts.durationMs;
if (opts.scope !== undefined) envelope.scope = opts.scope;
if (opts.count !== undefined) envelope.count = opts.count;
if (opts.error) envelope.error = opts.error;
envelope.data = opts.data;
console.log(JSON.stringify(envelope, null, 2));
}
export function printResultSummary(opts: {
count: number;
durationSecs?: number;
page?: number;
scopeIds?: Record<string, string | undefined>;
}): void {
const parts = [`${opts.count} result${opts.count !== 1 ? "s" : ""}`];
if (opts.page !== undefined) parts.push(`page ${opts.page}`);
if (opts.scopeIds) {
const scopeParts = Object.entries(opts.scopeIds)
.filter(([, v]) => v)
.map(([k, v]) => `${k.replace(/_/g, " ")}=${v}`);
if (scopeParts.length > 0) parts.push(scopeParts.join(", "));
}
if (opts.durationSecs !== undefined) parts.push(`${opts.durationSecs.toFixed(2)}s`);
console.log(` ${dim(parts.join(" · "))}`);
console.log();
}
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/**
* Tests for branding utilities.
*/
import { describe, it, expect, beforeEach, afterEach } from "vitest";
import {
BRAND_COLOR,
SUCCESS_COLOR,
ERROR_COLOR,
TAGLINE,
LOGO_MINI,
printSuccess,
printError,
printWarning,
printInfo,
printScope,
} from "../src/branding.js";
let output: string;
let errOutput: string;
const originalLog = console.log;
const originalError = console.error;
beforeEach(() => {
output = "";
errOutput = "";
console.log = (...args: unknown[]) => {
output += args.map(String).join(" ") + "\n";
};
console.error = (...args: unknown[]) => {
errOutput += args.map(String).join(" ") + "\n";
};
});
afterEach(() => {
console.log = originalLog;
console.error = originalError;
});
describe("branding constants", () => {
it("has correct brand color", () => {
expect(BRAND_COLOR).toBe("#8b5cf6");
});
it("has correct tagline", () => {
expect(TAGLINE).toBe("The Memory Layer for AI Agents");
});
it("has correct logo mini", () => {
expect(LOGO_MINI).toBe("◆ mem0");
});
});
describe("printSuccess", () => {
it("prints success message", () => {
printSuccess("Operation completed");
expect(output).toContain("Operation completed");
});
});
describe("printError", () => {
it("prints error message to stderr", () => {
printError("Something failed");
expect(errOutput).toContain("Something failed");
});
it("prints hint when provided to stderr", () => {
printError("Failed", "Try again");
expect(errOutput).toContain("Try again");
});
});
describe("printWarning", () => {
it("prints warning message to stderr", () => {
printWarning("Be careful");
expect(errOutput).toContain("Be careful");
});
});
describe("printInfo", () => {
it("prints info message", () => {
printInfo("Important note");
expect(output).toContain("Important note");
});
});
describe("printScope", () => {
it("prints scope when IDs present", () => {
printScope({ user_id: "alice", agent_id: "bot" });
expect(output).toContain("alice");
expect(output).toContain("bot");
});
it("prints nothing when no IDs", () => {
printScope({});
expect(output).toBe("");
});
});
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/**
* Integration tests — invoke CLI as subprocess to test end-to-end.
*/
import { describe, it, expect } from "vitest";
import { execSync } from "node:child_process";
import fs from "node:fs";
import os from "node:os";
import path from "node:path";
function run(
args: string[],
opts: { home?: string; env?: Record<string, string> } = {},
): { stdout: string; stderr: string; exitCode: number } {
const env = { ...process.env };
// Strip MEM0_ env vars
for (const key of Object.keys(env)) {
if (key.startsWith("MEM0_")) delete env[key];
}
if (opts.home) env.HOME = opts.home;
if (opts.env) Object.assign(env, opts.env);
try {
const stdout = execSync(
`npx tsx src/index.ts ${args.join(" ")}`,
{ cwd: path.join(__dirname, ".."), env, encoding: "utf-8", timeout: 15000 },
);
return { stdout, stderr: "", exitCode: 0 };
} catch (e: any) {
return {
stdout: e.stdout ?? "",
stderr: e.stderr ?? "",
exitCode: e.status ?? 1,
};
}
}
describe("CLI Integration — help and version", () => {
it("shows help with --help", () => {
const result = run(["--help"]);
expect(result.exitCode).toBe(0);
expect(result.stdout).toContain("mem0");
expect(result.stdout).toContain("add");
expect(result.stdout).toContain("search");
});
it("shows version with --version", () => {
const result = run(["--version"]);
expect(result.exitCode).toBe(0);
expect(result.stdout).toContain("0.1.0");
});
it("help --json produces valid JSON", () => {
const result = run(["help", "--json"]);
expect(result.exitCode).toBe(0);
const parsed = JSON.parse(result.stdout);
// spec may have cli.name or top-level name
const name = parsed.name ?? parsed.cli?.name;
expect(name).toBe("mem0");
});
it("shows add help", () => {
const result = run(["add", "--help"]);
expect(result.exitCode).toBe(0);
expect(result.stdout).toContain("user-id");
expect(result.stdout).toContain("messages");
});
it("shows search help", () => {
const result = run(["search", "--help"]);
expect(result.exitCode).toBe(0);
expect(result.stdout).toContain("top-k");
});
it("shows list help", () => {
const result = run(["list", "--help"]);
expect(result.exitCode).toBe(0);
expect(result.stdout).toContain("page-size");
});
it("shows delete help with --all, --entity, --project", () => {
const result = run(["delete", "--help"]);
expect(result.exitCode).toBe(0);
expect(result.stdout).toContain("--all");
expect(result.stdout).toContain("--entity");
expect(result.stdout).toContain("--project");
expect(result.stdout).toContain("--force");
expect(result.stdout.toLowerCase()).toContain("memory");
});
it("delete with no args errors", () => {
const result = run(["delete"]);
expect(result.exitCode).not.toBe(0);
const combined = result.stdout + result.stderr;
expect(combined).toContain("--all");
});
it("shows entity list help", () => {
const result = run(["entity", "list", "--help"]);
expect(result.exitCode).toBe(0);
expect(result.stdout.toLowerCase()).toContain("entitytype");
});
it("shows entity delete help", () => {
const result = run(["entity", "delete", "--help"]);
expect(result.exitCode).toBe(0);
expect(result.stdout).toContain("--user-id");
expect(result.stdout).toContain("--force");
});
it("shows import help", () => {
const result = run(["import", "--help"]);
expect(result.exitCode).toBe(0);
});
it("add help has --graph flag", () => {
const result = run(["add", "--help"]);
expect(result.exitCode).toBe(0);
expect(result.stdout).toContain("--graph");
});
it("search help has --graph flag", () => {
const result = run(["search", "--help"]);
expect(result.exitCode).toBe(0);
expect(result.stdout).toContain("--graph");
});
it("list help has --graph flag", () => {
const result = run(["list", "--help"]);
expect(result.exitCode).toBe(0);
expect(result.stdout).toContain("--graph");
});
});
describe("CLI Integration — isolated (clean home)", () => {
function cleanHome(): string {
return fs.mkdtempSync(path.join(os.tmpdir(), "mem0-test-"));
}
it("add without API key errors", () => {
const home = cleanHome();
const result = run(["add", "test", "--user-id", "alice"], { home });
expect(result.exitCode).not.toBe(0);
const combined = result.stdout + result.stderr;
expect(combined.toLowerCase()).toMatch(/api.key|error/i);
fs.rmSync(home, { recursive: true, force: true });
});
it("config show works with clean home", () => {
const home = cleanHome();
const result = run(["config", "show"], { home });
expect(result.exitCode).toBe(0);
fs.rmSync(home, { recursive: true, force: true });
});
});
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/**
* Tests for CLI commands using mock backend.
*/
import { describe, it, expect, vi, beforeEach } from "vitest";
import { createMockBackend } from "./setup.js";
import type { Backend } from "../src/backend/base.js";
let mockBackend: Backend;
// Capture console.log and console.error output
let output: string;
let errOutput: string;
const originalLog = console.log;
const originalError = console.error;
beforeEach(() => {
mockBackend = createMockBackend();
output = "";
errOutput = "";
console.log = (...args: unknown[]) => {
output += args.map(String).join(" ") + "\n";
};
console.error = (...args: unknown[]) => {
errOutput += args.map(String).join(" ") + "\n";
};
});
// Restore after each test
import { afterEach } from "vitest";
afterEach(() => {
console.log = originalLog;
console.error = originalError;
});
describe("cmdAdd", () => {
it("adds text memory", async () => {
const { cmdAdd } = await import("../src/commands/memory.js");
await cmdAdd(mockBackend, "I prefer dark mode", {
userId: "alice",
immutable: false,
noInfer: false,
enableGraph: false,
output: "text",
});
expect(mockBackend.add).toHaveBeenCalledOnce();
});
it("adds from messages JSON", async () => {
const { cmdAdd } = await import("../src/commands/memory.js");
await cmdAdd(mockBackend, undefined, {
userId: "alice",
messages: JSON.stringify([{ role: "user", content: "I love Python" }]),
immutable: false,
noInfer: false,
enableGraph: false,
output: "text",
});
expect(mockBackend.add).toHaveBeenCalledOnce();
});
it("outputs json format", async () => {
const { cmdAdd } = await import("../src/commands/memory.js");
await cmdAdd(mockBackend, "test", {
userId: "alice",
immutable: false,
noInfer: false,
enableGraph: false,
output: "json",
});
expect(output).toContain("results");
});
it("quiet mode produces no memory content", async () => {
const { cmdAdd } = await import("../src/commands/memory.js");
await cmdAdd(mockBackend, "test", {
userId: "alice",
immutable: false,
noInfer: false,
enableGraph: false,
output: "quiet",
});
expect(output).not.toContain("dark mode");
});
});
describe("cmdSearch", () => {
it("searches and shows results in text mode", async () => {
const { cmdSearch } = await import("../src/commands/memory.js");
await cmdSearch(mockBackend, "preferences", {
userId: "alice",
topK: 10,
threshold: 0.3,
rerank: false,
keyword: false,
enableGraph: false,
output: "text",
});
expect(output).toContain("Found 2");
});
it("outputs json format", async () => {
const { cmdSearch } = await import("../src/commands/memory.js");
await cmdSearch(mockBackend, "preferences", {
userId: "alice",
topK: 10,
threshold: 0.3,
rerank: false,
keyword: false,
enableGraph: false,
output: "json",
});
expect(output).toContain("memory");
});
it("shows no results message", async () => {
(mockBackend.search as ReturnType<typeof vi.fn>).mockResolvedValue([]);
const { cmdSearch } = await import("../src/commands/memory.js");
await cmdSearch(mockBackend, "nonexistent", {
userId: "alice",
topK: 10,
threshold: 0.3,
rerank: false,
keyword: false,
enableGraph: false,
output: "text",
});
expect(output).toContain("No memories found");
});
});
describe("cmdGet", () => {
it("gets memory in text mode", async () => {
const { cmdGet } = await import("../src/commands/memory.js");
await cmdGet(mockBackend, "abc-123-def-456", { output: "text" });
expect(output).toContain("dark mode");
});
it("gets memory in json mode", async () => {
const { cmdGet } = await import("../src/commands/memory.js");
await cmdGet(mockBackend, "abc-123-def-456", { output: "json" });
expect(output).toContain("memory");
});
});
describe("cmdList", () => {
it("lists in table mode", async () => {
const { cmdList } = await import("../src/commands/memory.js");
await cmdList(mockBackend, {
userId: "alice",
page: 1,
pageSize: 100,
enableGraph: false,
output: "table",
});
expect(output).toContain("dark mode");
});
it("shows empty message", async () => {
(mockBackend.listMemories as ReturnType<typeof vi.fn>).mockResolvedValue([]);
const { cmdList } = await import("../src/commands/memory.js");
await cmdList(mockBackend, {
userId: "alice",
page: 1,
pageSize: 100,
enableGraph: false,
output: "text",
});
expect(output).toContain("No memories found");
});
});
describe("cmdUpdate", () => {
it("updates memory", async () => {
const { cmdUpdate } = await import("../src/commands/memory.js");
await cmdUpdate(mockBackend, "abc-123", "New text", { output: "text" });
expect(output.toLowerCase()).toContain("updated");
});
});
describe("cmdDelete", () => {
it("deletes memory", async () => {
const { cmdDelete } = await import("../src/commands/memory.js");
await cmdDelete(mockBackend, "abc-123", { output: "text" });
expect(output.toLowerCase()).toContain("deleted");
});
});
describe("cmdDeleteAll", () => {
it("deletes all with force", async () => {
const { cmdDeleteAll } = await import("../src/commands/memory.js");
await cmdDeleteAll(mockBackend, {
force: true,
userId: "alice",
output: "text",
});
expect(output.toLowerCase()).toContain("deleted");
});
});
describe("cmdVersion", () => {
it("shows version", async () => {
const { cmdVersion } = await import("../src/commands/utils.js");
cmdVersion();
expect(output).toContain("0.1.0");
});
});
describe("cmdEntitiesList", () => {
it("lists users in table mode", async () => {
const { cmdEntitiesList } = await import("../src/commands/entities.js");
await cmdEntitiesList(mockBackend, "users", { output: "table" });
expect(output).toContain("alice");
});
it("lists in json mode", async () => {
const { cmdEntitiesList } = await import("../src/commands/entities.js");
await cmdEntitiesList(mockBackend, "users", { output: "json" });
expect(output).toContain("alice");
});
});
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/**
* Tests for configuration management.
*/
import { describe, it, expect, beforeEach, afterEach } from "vitest";
import fs from "node:fs";
import os from "node:os";
import path from "node:path";
import {
createDefaultConfig,
loadConfig,
saveConfig,
redactKey,
getNestedValue,
setNestedValue,
CONFIG_DIR,
CONFIG_FILE,
} from "../src/config.js";
// Use a temp directory for config during tests
let origConfigDir: string;
let origConfigFile: string;
let tmpDir: string;
beforeEach(() => {
tmpDir = fs.mkdtempSync(path.join(os.tmpdir(), "mem0-test-"));
// Monkey-patch the module-level constants
// We'll use env vars and direct file manipulation instead
// Clear MEM0_ env vars
for (const key of Object.keys(process.env)) {
if (key.startsWith("MEM0_")) {
delete process.env[key];
}
}
});
afterEach(() => {
fs.rmSync(tmpDir, { recursive: true, force: true });
});
describe("redactKey", () => {
it("returns '(not set)' for empty key", () => {
expect(redactKey("")).toBe("(not set)");
});
it("redacts short key", () => {
expect(redactKey("abc")).toBe("ab***");
});
it("redacts normal key", () => {
const result = redactKey("m0-abcdefgh12345678");
expect(result).toBe("m0-a...5678");
expect(result).not.toContain("abcdefgh");
});
it("redacts exactly 8-char key as short", () => {
expect(redactKey("12345678")).toBe("12***");
});
});
describe("createDefaultConfig", () => {
it("has correct defaults", () => {
const config = createDefaultConfig();
expect(config.platform.baseUrl).toBe("https://api.mem0.ai");
expect(config.platform.apiKey).toBe("");
expect(config.defaults.userId).toBe("");
expect(config.defaults.enableGraph).toBe(false);
});
});
describe("getNestedValue", () => {
it("gets platform.api_key", () => {
const config = createDefaultConfig();
config.platform.apiKey = "test-key";
expect(getNestedValue(config, "platform.api_key")).toBe("test-key");
});
it("returns undefined for nonexistent key", () => {
const config = createDefaultConfig();
expect(getNestedValue(config, "nonexistent.key")).toBeUndefined();
});
it("gets defaults.user_id", () => {
const config = createDefaultConfig();
config.defaults.userId = "alice";
expect(getNestedValue(config, "defaults.user_id")).toBe("alice");
});
});
describe("setNestedValue", () => {
it("sets platform.api_key", () => {
const config = createDefaultConfig();
expect(setNestedValue(config, "platform.api_key", "new-key")).toBe(true);
expect(config.platform.apiKey).toBe("new-key");
});
it("returns false for nonexistent key", () => {
const config = createDefaultConfig();
expect(setNestedValue(config, "nonexistent.key", "val")).toBe(false);
});
it("sets defaults.user_id", () => {
const config = createDefaultConfig();
expect(setNestedValue(config, "defaults.user_id", "bob")).toBe(true);
expect(config.defaults.userId).toBe("bob");
});
it("coerces boolean for enable_graph", () => {
const config = createDefaultConfig();
expect(setNestedValue(config, "defaults.enable_graph", "true")).toBe(true);
expect(config.defaults.enableGraph).toBe(true);
});
});
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/**
* Tests for output formatting.
*/
import { describe, it, expect, beforeEach, afterEach } from "vitest";
import {
formatMemoriesText,
formatMemoriesTable,
formatJson,
formatSingleMemory,
formatAddResult,
printResultSummary,
} from "../src/output.js";
let output: string;
const originalLog = console.log;
beforeEach(() => {
output = "";
console.log = (...args: unknown[]) => {
output += args.map(String).join(" ") + "\n";
};
});
afterEach(() => {
console.log = originalLog;
});
const sampleMemories = [
{
id: "abc-123-def-456",
memory: "User prefers dark mode",
score: 0.92,
created_at: "2026-02-15T10:30:00Z",
categories: ["preferences"],
},
{
id: "ghi-789-jkl-012",
memory: "User uses vim keybindings",
score: 0.78,
created_at: "2026-03-01T14:00:00Z",
categories: ["tools"],
},
];
describe("formatMemoriesText", () => {
it("shows count and memory content", () => {
formatMemoriesText(sampleMemories);
expect(output).toContain("Found 2");
expect(output).toContain("dark mode");
expect(output).toContain("vim keybindings");
});
it("shows scores and IDs", () => {
formatMemoriesText(sampleMemories);
expect(output).toContain("0.92");
expect(output).toContain("abc-123-");
});
});
describe("formatMemoriesTable", () => {
it("renders a table with memory content", () => {
formatMemoriesTable(sampleMemories);
expect(output).toContain("dark mode");
});
});
describe("formatJson", () => {
it("outputs valid JSON", () => {
formatJson({ key: "value" });
expect(JSON.parse(output)).toEqual({ key: "value" });
});
});
describe("formatSingleMemory", () => {
it("shows memory text in text mode", () => {
formatSingleMemory(sampleMemories[0], "text");
expect(output).toContain("dark mode");
});
it("outputs JSON in json mode", () => {
formatSingleMemory(sampleMemories[0], "json");
expect(output).toContain("memory");
});
});
describe("formatAddResult", () => {
it("shows ADD event", () => {
formatAddResult({
results: [{ id: "abc-123", memory: "Test", event: "ADD" }],
});
expect(output).toContain("Added");
});
it("shows PENDING event", () => {
formatAddResult({
results: [{ status: "PENDING", event_id: "evt-12345678" }],
});
expect(output).toContain("Queued");
});
});
describe("printResultSummary", () => {
it("shows count and duration", () => {
printResultSummary({ count: 5, durationSecs: 1.23 });
expect(output).toContain("5 results");
expect(output).toContain("1.23s");
});
it("handles singular", () => {
printResultSummary({ count: 1 });
expect(output).toContain("1 result");
expect(output).not.toContain("results");
});
});
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/**
* Shared test helpers and mock factories for mem0 CLI tests.
*/
import { vi } from "vitest";
import type { Backend } from "../src/backend/base.js";
/** Create a mock backend with all methods stubbed with sensible defaults. */
export function createMockBackend(): Backend {
return {
add: vi.fn().mockResolvedValue({
results: [
{
id: "abc-123-def-456",
memory: "User prefers dark mode",
event: "ADD",
},
],
}),
search: vi.fn().mockResolvedValue([
{
id: "abc-123-def-456",
memory: "User prefers dark mode",
score: 0.92,
created_at: "2026-02-15T10:30:00Z",
categories: ["preferences"],
},
{
id: "ghi-789-jkl-012",
memory: "User uses vim keybindings",
score: 0.78,
created_at: "2026-03-01T14:00:00Z",
categories: ["tools"],
},
]),
get: vi.fn().mockResolvedValue({
id: "abc-123-def-456",
memory: "User prefers dark mode",
created_at: "2026-02-15T10:30:00Z",
updated_at: "2026-02-20T08:00:00Z",
metadata: { source: "onboarding" },
categories: ["preferences"],
}),
listMemories: vi.fn().mockResolvedValue([
{
id: "abc-123-def-456",
memory: "User prefers dark mode",
created_at: "2026-02-15T10:30:00Z",
categories: ["preferences"],
},
{
id: "ghi-789-jkl-012",
memory: "User uses vim keybindings",
created_at: "2026-03-01T14:00:00Z",
categories: ["tools"],
},
]),
update: vi.fn().mockResolvedValue({ id: "abc-123-def-456", memory: "Updated memory" }),
delete: vi.fn().mockResolvedValue({ status: "deleted" }),
status: vi.fn().mockResolvedValue({
connected: true,
backend: "platform",
base_url: "https://api.mem0.ai",
}),
deleteEntities: vi.fn().mockResolvedValue({ message: "Entity deleted" }),
entities: vi.fn().mockResolvedValue([
{ name: "alice", count: 5 },
{ name: "bob", count: 3 },
]),
};
}
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{
"compilerOptions": {
"target": "ES2022",
"module": "ESNext",
"moduleResolution": "bundler",
"strict": true,
"outDir": "dist",
"rootDir": "src",
"declaration": true,
"esModuleInterop": true,
"skipLibCheck": true,
"forceConsistentCasingInFileNames": true,
"resolveJsonModule": true,
"isolatedModules": true
},
"include": ["src/**/*.ts"],
"exclude": ["node_modules", "dist", "tests"]
}