Cairn MCP Server: Install & Setup

Install Cairn in Claude Code

Claude Code

claude mcp add cybort360-cairn -- uvx cairn-mcp

mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)

{
  "mcpServers": {
    "cybort360-cairn": {
      "command": "uvx",
      "args": [
        "cairn-mcp"
      ]
    }
  }
}

Frequently asked questions

What does the Cairn MCP server do?

Log Claude Code work sessions, file edits, and tasks to your Cairn account.

Is the Cairn MCP server free?

Yes, most likely. Open source and no paid account or API key is mentioned in the listing. Check the provider for current pricing.

Does Cairn run locally or remotely?

Local. Runs on your machine (stdio). You install it with npx, uvx, Docker or from source.

How do I add Cairn to Claude Code?

Run: claude mcp add cybort360-cairn -- uvx cairn-mcp

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