// Remember context
mem0v2.2.1
The Memory Layer for AI Agents - Drop-in memory infrastructure for AI agents and apps. Context that persists. Built for production.
Open source Maintained For agents
IN ONE PARAGRAPH
mem0 is the Memory Layer for AI Agents - Drop-in memory infrastructure for AI agents and apps. Context that persists. Built for production.
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:
npm install mem0aipip install mem0ai - 3Add it to your agent’s MCP config — Claude Code:
claude mcp add; Cursor:.cursor/mcp.json; Codex:~/.codex/config.toml.
02Alternatives & comparison
Compare side by side → MemOS Self-evolving memory OS for LLM & AI Agents: ultra-persistent memory, hybrid-retrieval, and cross-task skill reuse, with 35.24% token savings and DeepSeek Harness support. ★ 12k letta Platform for stateful agents: AI with advanced memory that can learn and self-improve over time. ★ 25k honcho Memory library for building stateful agents ★ 7.5k 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 zep Zep | Examples, Integrations, & More ★ 5.0k
03Related
Versions, why it is listed, for AI to read
Recent releases
For AI agents
- Interfaces：SDK · API · MCP
- Machine-readable record：/api/v1/software/mem0.json · llms.txt
- Added 2026-10-10 · updated 2026-10-22