caldav-mcp

Overview

This MCP server provides a clean interface between AI assistants and CalDAV calendar services. It supports essential calendar operations including listing calendars, retrieving events within specified timeframes, creating new events, updating existing ones, and deleting events by UID. The implementation is written in TypeScript, offering type safety and good maintainability.

Try asking AI

After installing, here are 5 things you can ask your AI assistant:

• list-calendars

  List all calendars returning both name and URL

  Try:Show me all my calendarsTry:List available calendars
• list-events

  List all events between start and end date in the calendar specified by its URL

  Try:Show me events for next weekTry:List all events between 2023-01-01 and 2023-01-31
• create-event

  Creates an event in the calendar specified by its URL

  Try:Schedule a meeting for tomorrow at 2 PMTry:Create a new event with title 'Team Standup'
• update-event

  Updates an existing event in the calendar specified by its URL

  Try:Change the time of my dentist appointmentTry:Update the location of the team meeting
• delete-event

  Deletes an event in the calendar specified by its URL

  Try:Cancel my lunch meetingTry:Delete the event with ID 12345

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Installation

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

FAQ

Which CalDAV servers are supported?

Any CalDAV-compatible server should work, including Nextcloud, iCloud Calendar, Google Calendar (via CalDAV), and others.

Can this server handle recurring events?

Yes, it supports creating and updating recurring events with detailed recurrence rules including frequency, interval, count, and various by- parameters.

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