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Add the LongMemory (formerly OpenMemory) MCP server to Claude Code

Config last verified Nov 10, 2026

The exact config to run LongMemory (formerly OpenMemory) in Claude Code — paste it in, restart, and the tools load.

Prerequisites

  • Claude Code installed.

Setup

1. Open ~/.claude.json

2. Add this configuration

Add to ~/.claude.json

~/.claude.json
json
{
  "mcpServers": {
    "openmemory": {
      "command": "npx",
      "args": [
        "-y",
        "longmemory",
        "mcp"
      ],
      "env": {
        "LM_DB_PATH": "<LM_DB_PATH>",
        "LM_TIER": "<LM_TIER>",
        "LM_EMBEDDINGS": "<LM_EMBEDDINGS>"
      }
    }
  }
}
Or via CLI
bash
claude mcp add openmemory -- npx -y longmemory mcp

3. Restart Claude Code and confirm the LongMemory (formerly OpenMemory) tools load.

Gotchas

Claude Code stores MCP servers under an "mcpServers" object in ~/.claude.json. It also reads a project-scoped .mcp.json and supports adding servers from the command line with "claude mcp add". Each entry must declare either a "type" or a "command"; Claude Code refuses an entry that has neither. Remote servers connect natively over Streamable HTTP with OAuth.

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