caldav-mcp

caldav-mcp is a local MCP server: CalDAV calendar operations (list, create, update, delete events) as MCP tools. Install it from npm as caldav-mcp.

Claude CodeCodexAntigravity

commandprompt

Terminal

claude mcp add caldav-mcp -e CALDAV_BASE_URL=... -e CALDAV_USERNAME=... -e CALDAV_PASSWORD=... -- npx -y caldav-mcp

Run in your project folder. Add --scope user to use it everywhere.

Add to claude_desktop_config.json or .cursor/mcp.json.

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

Fill in the environment variables with your own credentials.

• Runtime: Node.js 18+ (runs with npx).
• MCP client: Claude Code, Codex, Antigravity, Claude Desktop, Cursor or any other client that speaks MCP over stdio.
• Environment variables: CALDAV_BASE_URL, CALDAV_USERNAME, CALDAV_PASSWORD