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LangMem

LangChain library for agents to extract, store and update long-term memory, built on LangGraph stores.

Works with

The vendor docs we checked don't name specific bot clients (often a library or service you build on).

Per vendor docs, checked 2026-11-09. Not tested by MemoryStack. Source

Install

pip install -U langmem

From the vendor's docs. Read them before running anything.

Details

Runs
Runs locally
MCP transport
Unknown
Auth
LLM provider API key
Storage
LangGraph store (e.g. Postgres)
License
MIT
GitHub
langchain-ai/langmem
Stars
1,754
Last release
None published / not tracked
Last push
2026-11-03
Archived
No
Website
langchain-ai.github.io/langmem/

Known pitfalls

None recorded yet. Report one.

Change history

  • Added to MemoryStack.