Longmem MCP Server: Install & Setup

Install Longmem in Claude Code

Claude Code

claude mcp add longmem -- uvx longmem

mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)

{
  "mcpServers": {
    "longmem": {
      "command": "uvx",
      "args": [
        "longmem"
      ]
    }
  }
}

Persistent cross-project memory for Cursor and Claude Code using local semantic search.

Yes, most likely. Open source and no paid account or API key is mentioned in the listing. Check the provider for current pricing.

Local. Runs on your machine (stdio). You install it with npx, uvx, Docker or from source.

Run: claude mcp add longmem -- uvx longmem

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