keymem
keymem is an MCP server by dongkseo. Associative memory for LLM agents — a key-graph memory layer (MCP server) that recalls by association, not just vector similarity. A graph-based alternative to vector-store agent memory. Its npm package was downloaded 481 times last week.
- Category
- Memory & Knowledge
- Author
- dongkseo
- GitHub stars
- Not on GitHub
- This week
- Tracking since 19 Oct 2026
- Weekly downloads
- 481
- Language
- JavaScript
- License
- MIT (open source)
- Last update
- 2026-10-22 (2 days ago)
- Links
- Sourcenpm
How to install keymem
keymem is published on npm as keymem, and it is listed in the official MCP Registry. These steps assume it runs as a local stdio server, which is the usual setup.
- Check the README. Confirm the start command and note any API keys or environment variables it needs (pass them with
-e KEY=valueor anenvblock). You need Node.js fornpx. - Add it to Claude Code from a terminal:
claude mcp add keymem -- npx -y keymem - Or add it to Cursor or Claude Desktop in
.cursor/mcp.jsonorclaude_desktop_config.json:{ "mcpServers": { "keymem": { "command": "npx", "args": [ "-y", "keymem" ] } } } - Restart the client and check it. Run
claude mcp list, or open the client's MCP settings, and confirm keymem and its tools are listed. The install guide covers VS Code and Codex.
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Maintain this project? Get it featured ($99/mo, pinned at the top of Memory & Knowledge) or see what featuring includes.
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Frequently asked questions
What is keymem?
keymem is an MCP server by dongkseo in the Memory & Knowledge category. Associative memory for LLM agents — a key-graph memory layer (MCP server) that recalls by association, not just vector similarity. A graph-based alternative to vector-store agent memory. Its npm package was downloaded 481 times last week.
Is keymem free and open source?
Yes. keymem is published under the MIT license, so you can run, modify and self-host it at no cost. If it connects to a paid service, that service's own pricing and API terms still apply. Check the repository for the exact license text before using it commercially.
What are the alternatives to keymem?
Other Memory & Knowledge projects on MCP Harbor include open-webui, graphify, claude-mem. Each alternative links to its own page with stars, license and recent activity. The Memory & Knowledge category ranks all 1287 by stars, and you can re-sort it by growth this week.
Alternatives to keymem
All 1287 Memory & Knowledge MCP servers →
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