Marrow AI: Control Layer for AI Agents

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Approval gate and audit trail for AI agent actions: policy check first, proof after. Any MCP client.

Getting Started

npx @getmcp/cli add ai.getmarrow/marrow

Requires Node.js 18+. Community-contributed server. Review source before installing.

Claude Desktopguide →Vscodeguide →Cursorguide →Windsurfguide →

Required Environment Variables

MARROW_API_KEY
Named Marrow agent API key. Keep it in trusted secret storage.

Configuration

Config file: ~/Library/Application Support/Claude/claude_desktop_config.json

JSON

{
  "mcpServers": {
    "ai.getmarrow/marrow": {
      "command": "npx",
      "args": [
        "-y",
        "@getmarrow/mcp"
      ],
      "env": {
        "MARROW_API_KEY": ""
      }
    }
  }
}

Claude Desktop MCP documentation