Marrow MCP Server

id.marrow/marrowv1.0.10

Evidence-grounded, graph-connected, correctable memory for agents.

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context tax

queued

security

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cold start

queued

freshness

Deprecated4d ago

Install Marrow MCP server

claude mcp add id-marrow-marrow -e MARROW_API_KEY='<marrow-api-key>' -- npx -y @marrowid/cli mcp

{
  "mcpServers": {
    "id-marrow-marrow": {
      "command": "npx",
      "args": [
        "-y",
        "@marrowid/cli",
        "mcp"
      ],
      "env": {
        "MARROW_API_KEY": "<marrow-api-key>"
      }
    }
  }
}

Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (project).

{
  "mcpServers": {
    "id-marrow-marrow": {
      "command": "npx",
      "args": [
        "-y",
        "@marrowid/cli",
        "mcp"
      ],
      "env": {
        "MARROW_API_KEY": "<marrow-api-key>"
      }
    }
  }
}

Settings → Developer → Edit Config (claude_desktop_config.json), then restart.

{
  "servers": {
    "id-marrow-marrow": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@marrowid/cli",
        "mcp"
      ],
      "env": {
        "MARROW_API_KEY": "<marrow-api-key>"
      }
    }
  }
}

Add to .vscode/mcp.json in your workspace.

{
  "mcpServers": {
    "id-marrow-marrow": {
      "command": "npx",
      "args": [
        "-y",
        "@marrowid/cli",
        "mcp"
      ],
      "env": {
        "MARROW_API_KEY": "<marrow-api-key>"
      }
    }
  }
}

Add to ~/.codeium/windsurf/mcp_config.json.

Configuration

Variable	Required	Secret	Description
MARROW_API_KEY	yes	yes	Marrow API key used by the local compatibility adapter.

Remote endpoints

streamable-httphttps://mcp.marrow.id

Freshness

Deprecated — last maintenance signal 4d ago. The newest of the signals below sets the band.

Last commit (default branch)
no data · GitHub
Latest release
no data · GitHub
Package published
no data · npm/PyPI
Registry entry updated
2026-10-05 · 4d ago · official registry · v1.0.10

FAQ

›How do I install the Marrow MCP server in Claude Code?

Run: claude mcp add id-marrow-marrow -e MARROW_API_KEY='<marrow-api-key>' -- npx -y @marrowid/cli mcp. For Cursor, VS Code, Claude Desktop and Windsurf, use the install tabs above.

›Does Marrow require an API key?

Yes. It expects MARROW_API_KEY, of which 1 is a secret.

›Can I use Marrow as a remote (hosted) MCP server?

Yes — it offers both a hosted endpoint and a local stdio package.

›Is Marrow in the official MCP registry?

Yes, as id.marrow/marrow.