Rail

Connect Runs on your machine

claude mcp add rail-mcp -e RAIL_DATA_DIR=<RAIL_DATA_DIR> -- npx -y [email protected]

{
  "mcpServers": {
    "rail-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "[email protected]"
      ],
      "env": {
        "RAIL_DATA_DIR": "<RAIL_DATA_DIR>"
      }
    }
  }
}

{
  "mcpServers": {
    "rail-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "[email protected]"
      ],
      "env": {
        "RAIL_DATA_DIR": "<RAIL_DATA_DIR>"
      }
    }
  }
}

{
  "servers": {
    "rail-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "[email protected]"
      ],
      "env": {
        "RAIL_DATA_DIR": "<RAIL_DATA_DIR>"
      }
    }
  }
}

Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.

Tools

This server runs locally, so its tools are listed by your MCP client once it starts.

Environment variables

Details

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