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fix/memory-store-entity-isolation
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159 Commits

Author SHA1 Message Date
Soumil Rathi b9e26acf4d merge: integrate main into feat/v3-pipeline + port AsyncMemory to v3 
Merge 190 commits from main including:
- limit→top_k rename across all vector store APIs
- custom_fact_extraction_prompt→custom_instructions rename
- enable_graph flag removal (use self.graph truthiness)
- US/Pacific→timezone.utc normalization
- 18 Category A bug fixes (partial updates, graph cleanup on delete,
  telemetry gating, metadata mutation prevention, filter operator
  merging, delete timestamps, actor_id preservation, etc.)

Conflict resolutions:
- openai.py: merged _pass_dimensions_to_api with embed_batch
- milvus.py: merged partial-update logic with BM25 text field
- qdrant.py: took main's enhanced _create_filter, merged BM25
  sparse vectors with partial-update endpoints
- test_main.py: adopted main's test structure, removed obsolete
  test_custom_prompts, kept hybrid search over-fetch assertion

AsyncMemory v3 port (full parity):
- Rewrote AsyncMemory._add_to_vector_store with the same 8-phase
  batch pipeline as sync Memory (single LLM call, batch embed,
  hash dedup, batch persist, batch entity linking, message saving)
- All blocking calls wrapped in await asyncio.to_thread()
- Moved _build_session_scope to module level for shared access

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
 2026-04-12 16:26:10 -07:00
Soumil Rathi 9c9b3d54e2 feat(oss): make spaCy an optional dependency 
Move spacy from core dependencies to optional [nlp] extra.
The system gracefully degrades without spaCy:
- Lemmatization falls back to raw text
- Entity extraction returns empty (no entity boost)
- BM25 keyword search still works on raw text
- Semantic search and additive scoring unaffected

Install with NLP support: pip install mem0ai[nlp]

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
 2026-04-02 11:04:38 -07:00
Soumil Rathi a33c557a25 feat(oss): port v3 pipeline with hybrid search, entity extraction, and additive scoring 
Replace the 2-LLM-call add pipeline with a single-pass additive extraction
using ADDITIVE_EXTRACTION_PROMPT. Memories now accumulate (ADD-only) instead
of being updated/deleted during extraction.

Search pipeline upgraded to hybrid scoring combining three signals:
- Semantic similarity (vector search)
- BM25 keyword matching (native per vector store, 15 stores supported)
- Entity boost (spaCy NER with entity collection linking)

Combined score = (semantic + bm25 + entity_boost) / max_possible, where
max_possible adapts based on which signals are active.

Key changes:
- Add spaCy-based lemmatization for BM25 keyword search
- Add spaCy-based entity extraction (PROPER, QUOTED, COMPOUND, NOUN types)
- Add entity store as second vector collection ({collection}_entities)
- Add native keyword_search() to 15 vector store adapters
- Add batch embedding support (embed_batch) for OpenAI and Azure OpenAI
- Add message persistence in SQLite (rolling window of 10 per scope)
- Add additive scoring with adaptive normalization
- Add observation_date parameter to add()
- Add custom_instructions config field
- Default search threshold changed to 0.1

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
 2026-03-31 14:09:37 -07:00
Genaro Sanchez 82525dbf0f docs: update Twitter references to X (formerly Twitter) (#4432) 2026-03-31 22:44:04 +05:30
Saket Aryan 13d42a99e9 docs: improve CLI dev workflow and prioritize Node.js installation (#4579) 2026-03-27 17:50:03 -07:00
Saket Aryan 3225e30859 feat: add official mem0 CLI (Python & TypeScript) (#4575) 2026-03-28 05:03:01 +05:30
Saket Aryan 2868bfe749 docs: remove OpenMemory references from docs, README, and issue templates (#4520) 2026-03-25 04:24:13 +05:30
Parshva Daftari 394203d1b5 Mem0 1.0.0 (#3545) 2025-10-16 15:50:20 +05:30
Parshva Daftari 41cfb3ab1a [Update] Default LLM (#3587) 2025-10-15 11:19:52 -07:00
Vishaal LS 445286a138 fix: update license information in README and pyproject.toml (#3522) 2025-09-30 13:58:08 -07:00
Parshva Daftari a7ac8bf13b Updated discord and dashboard image (#3344) 2025-08-20 14:11:26 -07:00
Saket Aryan da59412150 Remove OpenMemory Directory from pyproject and Update Link (#2678) 2025-05-13 21:50:56 +05:30
Prateek Chhikara e056acb6a8 docs change (#2606) 2025-05-01 14:03:04 -07:00
Dev Khant 6a1ece13dc Doc: Fix README links (#2602) 2025-05-01 22:00:56 +05:30
Prateek Chhikara 393a4fd5a6 Docs Update (#2591) 2025-04-29 08:15:25 -07:00
yanzz 2c31a930a3 Update README.md (#2187) 2025-03-05 12:41:43 -08:00
Mini256 80b7202db6 fix: fix sample code on README.md (#2312) 2025-03-06 00:00:13 +05:30
Saket Aryan 2611343cbe Updated Docs to add Mem0 Demo Link/ Updated Mem0 Demo (#2305) 2025-03-05 01:11:33 -08:00
Saket Aryan aa7ab9736d Add Mem0 Demo (#2291) 2025-03-04 10:04:59 -08:00
Saket Aryan 434b555a29 Updated docs for typescript package (#2269) 2025-02-27 18:22:28 -08:00
Dev Khant 095189d39a Update client in README (#2215) 2025-02-17 00:14:23 +05:30
Dev Khant f9995d144f Update README.md 2025-02-01 00:37:08 +05:30
Dev Khant 9f27b88843 Update README.md 2025-01-31 12:00:24 +05:30
Dev Khant d2f0e23dc8 Update README.md 2025-01-31 10:42:41 +05:30
Dev Khant 6e23a6f00e Update README.md 2025-01-30 23:51:28 +05:30
Dev Khant a06c9a99ae Doc changes and Storage fix (#2181) 2025-01-30 10:16:33 -08:00
haarishmk26 0cc528f3b1 Commit tracking (#2127) 2025-01-09 17:40:11 +05:30
Dev-Khant e9188a51fe update README 2025-01-06 11:38:57 +05:30
Deshraj Yadav b6f9054567 Add npmjs package badge on README (#1972) 2024-10-17 17:33:03 -07:00
Deshraj Yadav bf57d253a5 Update README.md (#1949) 2024-10-09 12:36:19 -07:00
Dev Khant 699741c760 fix links (#1916) 2024-09-27 01:12:21 +05:30
Deshraj Yadav db835cdcb8 Update README.md (#1847) 2024-09-10 11:27:55 -07:00
Prateek Chhikara b081e43b8d Modified the return statement for ADD call | Added tests to main.py and graph_memory.py (#1812) 2024-09-09 10:04:11 -07:00
Mathew Shen 2262fadd5b docs(readme): add pypi related badges (#1792) 2024-09-02 20:09:16 +05:30
Pranav Puranik e8004537c1 get_all returns dictionary (#1756) 2024-08-27 16:26:54 +05:30
Prateek Chhikara 515fb86497 Readme Changes (#1725) 2024-08-20 22:49:44 -07:00
Prateek Chhikara c64e0824da [Mem0] Integrate Graph Memory (#1718) 
Co-authored-by: Deshraj Yadav <deshrajdry@gmail.com>
 2024-08-20 16:37:38 -07:00
Taranjeet Singh 883ffd7de0 feat: add docs about how mem0 works (#1693) 2024-08-13 11:31:47 +05:30
Taranjeet Singh 2dcbcdf7a5 feat: Move core features at the top (#1665) 2024-08-08 08:31:28 +05:30
Taranjeet Singh 874c2e96ca Improve docs and readme (#1663) 2024-08-08 07:44:49 +05:30
Taranjeet Singh 4a643a8449 feat: Improve readme (#1661) 2024-08-08 02:50:15 +05:30
Taranjeet Singh 37cacb27ec feat: Fix banner image (#1660) 2024-08-08 00:58:34 +05:30
Taranjeet Singh 7ba46ec5ec feat: Improve readme (#1658) 2024-08-08 00:45:15 +05:30
Taranjeet Singh 4af6288adb feat: update readme (#1655) 2024-08-07 10:38:57 +05:30
Taranjeet Singh de7ee38e45 feat: Improve readme structure (#1654) 2024-08-07 09:38:17 +05:30
Dev Khant 3eff82082e fix readme (#1633) 2024-08-02 21:23:00 +05:30
Dev Khant 419dc6598c Add OpenAI proxy (#1503) 
Co-authored-by: Deshraj Yadav <deshrajdry@gmail.com>
 2024-08-02 20:14:27 +05:30
Taranjeet Singh 607c689cb0 feat: Improve readme and author details (#1606) 2024-07-30 10:05:47 +05:30
Taranjeet Singh bb2efb8b8b fix: substack link (#1589) 2024-07-26 12:53:11 +05:30
Taranjeet Singh 9148cce8fc Feat: Add mem0 newsletter link (#1588) 2024-07-26 00:19:42 -07:00