fix(plugins): give the MCP server the hooks' data dir, release 0.3.4
mcp_server.py never calls configure_harness, so it resolved ~/.mem0/mem0-plugin while the Cursor, Kimi and Antigravity hooks use ~/.mem0/<host>-plugin. A key set in Cursor's plugin settings and cached by the sessionStart hook was invisible to search_memories. build.py now writes DATA_DIR_NAME into each bundle's _harness_id.py and memory_core seeds its default from it, like the PLATFORM_* values. An end-to-end test launches the real session-start hook and MCP server for Claude Code, Cursor and Codex the way each host does, with the key in plugin settings and in the mem0 init config, and checks the search reaches the API with that key. Bumps the Python plugins to 0.3.4, OpenCode to 0.4.2, Pi and DeepSeek to 0.3.3, with changelog entries for each. Fixes #7346
This commit is contained in:
kartik-mem0
@@ -2100,6 +2100,16 @@ A full-featured command-line interface for Mem0, available in both Python and No
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<Tabs>
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<Tab title="Mem0 Plugin">
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<Update label="2026-09-25" description="Portable agent plugin v0.3.4">
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**Fixes:**
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- **Auth:** Falls back to the API key `mem0 init` saved in `~/.mem0/config.json` when no key is set in the plugin settings or `MEM0_API_KEY`, so search and the status check no longer report a missing key after `mem0 init` ([#7449](https://github.com/mem0ai/mem0/pull/7449))
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- **Auth:** A plugin setting that reaches the plugin as an unexpanded `${api_key}` or `${user_id}` placeholder is treated as unset. It is no longer sent as the API key, cached to disk, or used as the user ID ([#7449](https://github.com/mem0ai/mem0/pull/7449))
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- **State:** The `search_memories` MCP server now keeps its state in `~/.mem0/coding-agent-plugin`, the same directory the status, pause, resume and forget skills use, instead of `~/.mem0/mem0-plugin` ([#7449](https://github.com/mem0ai/mem0/pull/7449))
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- **Packaging:** `PLUGIN_VERSION` bumped to `0.3.4`, so the `mem0-plugin/<version>` wire header and `plugin_version` telemetry field identify builds with this fix ([#7449](https://github.com/mem0ai/mem0/pull/7449))
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</Update>
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<Update label="2026-09-08" description="Shared agent plugin runtime">
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**Changed:**
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@@ -2411,6 +2421,15 @@ Initial release of the Mem0 plugin for Claude Code and Cursor, followed by Codex
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<Tab title="Claude Code">
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<Update label="2026-09-25" description="Claude Code plugin v0.3.4">
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**Fixes:**
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- **Auth:** Falls back to the API key `mem0 init` saved in `~/.mem0/config.json` when no key is set in the plugin settings or `MEM0_API_KEY`, so search and the status check no longer report a missing key after `mem0 init` ([#7449](https://github.com/mem0ai/mem0/pull/7449))
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- **Auth:** A plugin setting that reaches the plugin as an unexpanded `${api_key}` or `${user_id}` placeholder is treated as unset. It is no longer sent as the API key, cached to disk, or used as the user ID ([#7449](https://github.com/mem0ai/mem0/pull/7449))
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- **Packaging:** `PLUGIN_VERSION` bumped to `0.3.4`, so the `mem0-plugin/<version>` wire header and `plugin_version` telemetry field identify builds with this fix ([#7449](https://github.com/mem0ai/mem0/pull/7449))
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</Update>
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<Update label="2026-09-23" description="Claude Code plugin v0.3.3">
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**Improvements:**
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@@ -2452,6 +2471,16 @@ Initial release of the Mem0 plugin for Claude Code and Cursor, followed by Codex
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<Tab title="Cursor">
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<Update label="2026-09-25" description="Cursor plugin v0.3.4">
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**Fixes:**
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- **Auth:** An API key set in the Cursor plugin settings now reaches the `search_memories` MCP server. The server looked for the cached key in `~/.mem0/mem0-plugin` while the hooks cached it in `~/.mem0/cursor-plugin`, so search asked for auth whenever Cursor did not pass the setting to the MCP server directly ([#7449](https://github.com/mem0ai/mem0/pull/7449))
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- **Auth:** Falls back to the API key `mem0 init` saved in `~/.mem0/config.json` when no key is set in the plugin settings or `MEM0_API_KEY`, so search and the status check no longer report a missing key after `mem0 init` ([#7449](https://github.com/mem0ai/mem0/pull/7449))
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- **Auth:** A plugin setting that reaches the plugin as an unexpanded `${api_key}` or `${user_id}` placeholder is treated as unset. It is no longer sent as the API key, cached to disk, or used as the user ID ([#7449](https://github.com/mem0ai/mem0/pull/7449))
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- **Packaging:** `PLUGIN_VERSION` bumped to `0.3.4`, so the `mem0-plugin/<version>` wire header and `plugin_version` telemetry field identify builds with this fix ([#7449](https://github.com/mem0ai/mem0/pull/7449))
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</Update>
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<Update label="2026-09-23" description="Cursor plugin v0.3.3">
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**Improvements:**
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@@ -2492,6 +2521,14 @@ Initial release of the Mem0 plugin for Claude Code and Cursor, followed by Codex
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<Tab title="Codex">
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<Update label="2026-09-25" description="Codex plugin v0.3.4">
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**Fixes:**
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- **Auth:** Falls back to the API key `mem0 init` saved in `~/.mem0/config.json` when `MEM0_API_KEY` is not set, so search and the status check no longer report a missing key after `mem0 init` ([#7449](https://github.com/mem0ai/mem0/pull/7449))
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- **Packaging:** `PLUGIN_VERSION` bumped to `0.3.4`, so the `mem0-plugin/<version>` wire header and `plugin_version` telemetry field identify builds with this fix ([#7449](https://github.com/mem0ai/mem0/pull/7449))
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</Update>
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<Update label="2026-09-23" description="Codex plugin v0.3.3">
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**Improvements:**
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@@ -2531,6 +2568,13 @@ Initial release of the Mem0 plugin for Claude Code and Cursor, followed by Codex
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<Tab title="OpenCode">
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<Update label="2026-09-25" description="OpenCode plugin v0.4.2">
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**Fixes:**
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- **Auth:** Falls back to the API key `mem0 init` saved in `~/.mem0/config.json` when neither `MEM0_API_KEY` nor a shell profile sets one, so search and the status check no longer report a missing key after `mem0 init` ([#7449](https://github.com/mem0ai/mem0/pull/7449))
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</Update>
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<Update label="2026-09-23" description="OpenCode plugin v0.4.1">
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**Improvements:**
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@@ -2646,6 +2690,15 @@ Initial release of the Mem0 plugin for Claude Code and Cursor, followed by Codex
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<Tab title="Antigravity">
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<Update label="2026-09-25" description="Antigravity plugin v0.3.4">
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**Fixes:**
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- **Auth:** Falls back to the API key `mem0 init` saved in `~/.mem0/config.json` when `MEM0_API_KEY` is not set, so search and the status check no longer report a missing key after `mem0 init` ([#7449](https://github.com/mem0ai/mem0/pull/7449))
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- **Data directory:** The `search_memories` MCP server uses `~/.mem0/antigravity-plugin`, the data directory the hooks use, instead of `~/.mem0/mem0-plugin` ([#7449](https://github.com/mem0ai/mem0/pull/7449))
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- **Packaging:** `PLUGIN_VERSION` bumped to `0.3.4`, so the `mem0-plugin/<version>` wire header and `plugin_version` telemetry field identify builds with this fix ([#7449](https://github.com/mem0ai/mem0/pull/7449))
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</Update>
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<Update label="2026-09-23" description="Antigravity plugin v0.3.3">
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**Improvements:**
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@@ -2759,6 +2812,15 @@ Existing memories written by the previous versions are not rewritten. If your me
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<Tab title="Kimi">
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<Update label="2026-09-25" description="Kimi Code plugin v0.3.4">
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**Fixes:**
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- **Auth:** Falls back to the API key `mem0 init` saved in `~/.mem0/config.json` when `MEM0_API_KEY` is not set, so search and the status check no longer report a missing key after `mem0 init` ([#7449](https://github.com/mem0ai/mem0/pull/7449))
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- **Data directory:** The `search_memories` MCP server uses `~/.mem0/kimi-plugin`, the data directory the hooks use, instead of `~/.mem0/mem0-plugin` ([#7449](https://github.com/mem0ai/mem0/pull/7449))
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- **Packaging:** `PLUGIN_VERSION` bumped to `0.3.4`, so the `mem0-plugin/<version>` wire header and `plugin_version` telemetry field identify builds with this fix ([#7449](https://github.com/mem0ai/mem0/pull/7449))
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</Update>
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<Update label="2026-09-23" description="Kimi Code plugin v0.3.3">
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**Improvements:**
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@@ -3117,6 +3179,13 @@ Existing memories written by the previous versions are not rewritten. If your me
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<Tab title="Pi Agent">
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<Update label="2026-09-25" description="Pi Agent plugin v0.3.3">
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**Fixes:**
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- **Auth:** Falls back to the API key `mem0 init` saved in `~/.mem0/config.json` when neither `MEM0_API_KEY` nor `~/.pi/agent/mem0-config.json` sets one, so search and the status check no longer report a missing key after `mem0 init` ([#7449](https://github.com/mem0ai/mem0/pull/7449))
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</Update>
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<Update label="2026-09-23" description="Pi Agent plugin v0.3.2">
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**Improvements:**
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@@ -3246,6 +3315,14 @@ Existing memories written by the previous versions are not rewritten. If your me
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<Tab title="DeepSeek Harness">
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<Update label="2026-09-25" description="deepseek-plugin v0.3.3">
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**Fixes:**
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- **Auth:** Falls back to the API key `mem0 init` saved in `~/.mem0/config.json` when neither `config.apiKey` nor `MEM0_API_KEY` is set, so search and the status check no longer report a missing key after `mem0 init` ([#7449](https://github.com/mem0ai/mem0/pull/7449))
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- **Config:** An empty `apiKey` now counts as unset and falls through to `MEM0_API_KEY` and the `mem0 init` key, instead of failing validation ([#7449](https://github.com/mem0ai/mem0/pull/7449))
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</Update>
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<Update label="2026-09-23" description="deepseek-plugin v0.3.2">
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**Improvements:**
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