CalDAV MCP - Secure MCP Server by ALMC Security 2025

CalDAV MCP

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caldav-mcp

🗓️ A CalDAV Model Context Protocol (MCP) server to expose calendar operations as tools for AI assistants.

MIT Licensecode style: prettierMCP Compatiblesemantic-release: angular

✨ Features

  • Connect to CalDAV servers
  • Create calendar events
  • List calendar events within a specific timeframe

Setup

{
  "mcpServers": {
    ...,
    "calendar": {
      "command": "npx",
      "args": [
        "caldav-mcp"
      ],
      "env": {
        "CALDAV_BASE_URL": "<CalDAV server URL>",
        "CALDAV_USERNAME": "<CalDAV username>",
        "CALDAV_PASSWORD": "<CalDAV password>"
      }
    }
  }
}

Usage

  1. Compile TypeScript to JavaScript:
npx tsc
  1. Run the MCP server:
node index.js

Available Tools

create-event

Creates a new calendar event.

Parameters:

  • summary: String - Event title/summary
  • start: DateTime string - Event start time
  • end: DateTime string - Event end time

Returns:

  • The unique ID of the created event

list-events

Lists events within a specified timeframe.

Parameters:

  • start: DateTime string - Start of the timeframe
  • end: DateTime string - End of the timeframe

Returns:

  • A list of event summaries that fall within the given timeframe

License

MIT

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