CalDAV MCP Server: Install & Setup

Install CalDAV in Claude Code

Docker

Claude Code

claude mcp add lukegskw-caldav -e CALDAV_USERNAME=... -e CALDAV_PASSWORD=... -- docker run -i --rm -e CALDAV_USERNAME -e CALDAV_PASSWORD ghcr.io/lukegskw/caldav-mcp:0.2.0

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

{
  "mcpServers": {
    "lukegskw-caldav": {
      "command": "docker",
      "args": [
        "run",
        "-i",
        "--rm",
        "-e",
        "CALDAV_USERNAME",
        "-e",
        "CALDAV_PASSWORD",
        "ghcr.io/lukegskw/caldav-mcp:0.2.0"
      ],
      "env": {
        "CALDAV_USERNAME": "...",
        "CALDAV_PASSWORD": "..."
      }
    }
  }
}

npm

Claude Code

claude mcp add lukegskw-caldav -e CALDAV_USERNAME=... -e CALDAV_PASSWORD=... -- npx -y @lukegskw/caldav-mcp

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

{
  "mcpServers": {
    "lukegskw-caldav": {
      "command": "npx",
      "args": [
        "-y",
        "@lukegskw/caldav-mcp"
      ],
      "env": {
        "CALDAV_USERNAME": "...",
        "CALDAV_PASSWORD": "..."
      }
    }
  }
}

Replace each ... with your own value.

Frequently asked questions

What does the CalDAV MCP server do?

A TypeScript MCP server for iCloud Calendar with native multi-VALARM support.

Is the CalDAV MCP server free?

The server is free, but you will likely need an account. The server itself is free, but it connects to a service that needs an account or API key, which may have paid tiers. Check the provider for current pricing.

Does CalDAV run locally or remotely?

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

How do I add CalDAV to Claude Code?

Run: claude mcp add lukegskw-caldav -e CALDAV_USERNAME=... -e CALDAV_PASSWORD=... -- docker run -i --rm -e CALDAV_USERNAME -e CALDAV_PASSWORD ghcr.io/lukegskw/caldav-mcp:0.2.0

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