Procedural memory — learns how to do tasks and rewrites the agent's own behavior/prompts.
- Storage
- Whatever your LangGraph store is (e.g. Postgres)
- Retrieval
- Retrieves from your configured LangGraph store across semantic, episodic, and procedural memory types.
- Self-host
- Self-host: trivial
- License
- OSS*
- Pricing
- Free OSS SDK; managed service · Free + paid
- GitHub stars
- 1,526
- Last release
- —
- Last commit
- 2026-06-28
- First catalogued
- 2026-06-28
Strengths
- Semantic + episodic + procedural
- Prompt optimization from wins
- Native LangGraph fit
Watch out
- Not a turnkey backend — you assemble storage/retrieval
Best for
- Teams already on LangChain/LangGraph
Benchmark results
No sourced results yet.
Sources
- https://www.langchain.com/blog/langmem-sdk-launch (vendor)
- https://github.com/langchain-ai/langmem (vendor)
Last verified 2026-06-28 · updated by manual-refresh