Cairn

Connect Runs on your machine

claude mcp add cairn -e CAIRN_WORKSPACE=<CAIRN_WORKSPACE> -- uvx cairn-mcp-server==0.2.0

{
  "mcpServers": {
    "cairn": {
      "command": "uvx",
      "args": [
        "cairn-mcp-server==0.2.0"
      ],
      "env": {
        "CAIRN_WORKSPACE": "<CAIRN_WORKSPACE>"
      }
    }
  }
}

{
  "mcpServers": {
    "cairn": {
      "command": "uvx",
      "args": [
        "cairn-mcp-server==0.2.0"
      ],
      "env": {
        "CAIRN_WORKSPACE": "<CAIRN_WORKSPACE>"
      }
    }
  }
}

{
  "servers": {
    "cairn": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "cairn-mcp-server==0.2.0"
      ],
      "env": {
        "CAIRN_WORKSPACE": "<CAIRN_WORKSPACE>"
      }
    }
  }
}

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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