// Remember context
langmem0.0.30
Open source Maintained For agents
IN ONE PARAGRAPH
langmem is .
Good for: Developers who want their agent (Claude Code, Codex, Cursor…) to remember context.
01How to start
- 1Read the official README for requirements and permissions.
- 2Install it from the official package registry:
pip install langmem - 3Tell your agent the command exists (e.g. in AGENTS.md / CLAUDE.md) so it knows when to call it.
02Alternatives & comparison
Compare side by side → claude-mem Persistent Context Across Sessions for Every Agent – Captures everything your agent does during sessions, compresses it with AI, and injects relevant context b ★ 102k mem0 The Memory Layer for AI Agents - Drop-in memory infrastructure for AI agents and apps. Context that persists. Built for production. ★ 68k cognee Cognee is the open-source AI memory platform for agents. Give your AI agents persistent long-term memory with small models for free ★ 33k graphiti Build Real-Time Knowledge Graphs for AI Agents ★ 32k letta Platform for stateful agents: AI with advanced memory that can learn and self-improve over time. ★ 25k
03Related
Versions, why it is listed, for AI to read
For AI agents
- Interfaces：SDK
- Machine-readable record：/api/v1/software/langmem.json · llms.txt
- Added 2026-10-10 · updated 2026-10-22