Caldav MCP

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

claude mcp add --env CALDAV_BASE_URL=your-value --env CALDAV_USERNAME=your-value --env CALDAV_PASSWORD=your-value --transport stdio caldav-mcp -- npx -y caldav-mcp

{
  "mcpServers": {
    "caldav-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "caldav-mcp"
      ],
      "env": {
        "CALDAV_BASE_URL": "your-value",
        "CALDAV_USERNAME": "your-value",
        "CALDAV_PASSWORD": "your-value"
      }
    }
  }
}

{
  "inputs": [
    {
      "type": "promptString",
      "id": "caldav_password",
      "description": "CALDAV_PASSWORD",
      "password": true
    }
  ],
  "servers": {
    "caldav-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "caldav-mcp"
      ],
      "env": {
        "CALDAV_BASE_URL": "your-value",
        "CALDAV_USERNAME": "your-value",
        "CALDAV_PASSWORD": "${input:caldav_password}"
      }
    }
  }
}

Config formats checked against the official docs on Oct 7, 2026: modelcontextprotocol.io (opens in a new tab), code.claude.com (opens in a new tab), cursor.com (opens in a new tab), code.visualstudio.com (opens in a new tab).

• list-calendars

  List all calendars returning both name and URL

• list-events

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

• start

  string — Start date (ISO 8601)

• create-event

  Creates an event in the calendar specified by its URL. For all-day events, set wholeDay to true.

• summary

  string

• location

  string (optional)

• freq

  enum (DAILY | WEEKLY | MONTHLY | YEARLY) (optional)

• interval

  number (optional)

• count

  number (optional)

• until

  string (optional)

• byday

  array of string (optional)

• bymonthday

  array of number (optional)

• bymonth

  array of number (optional)

• update-event

  Updates an existing event in the calendar specified by its URL. Only provided fields are changed.

• delete-event

  Deletes an event in the calendar specified by its URL

• list-todos

  List tasks (VTODOs) in the calendar specified by its URL. By default returns only open tasks (NEEDS-ACTION and…

• status

  enum (OPEN | ALL | NEEDS-ACTION | COMPLETED | IN-PROCESS | CANCELLED) (optional) — Filter by status.

• due_before

  string (optional) — Only tasks with a due date at or before this (ISO 8601).

• due_after

  string (optional) — Only tasks with a due date at or after this (ISO 8601).

• limit

  number (optional) — Max tasks to return (default 50, max 500)

• offset

  number (optional) — Tasks to skip (default 0)

• create-todo

  Creates a task (VTODO) in the calendar specified by its URL. Only summary is required; a task may have no dates.

• update-todo

  Updates an existing task (VTODO) in the calendar specified by its URL. Only provided fields are changed.

• complete-todo

  Marks a task (VTODO) as done. Sets its status to COMPLETED and records the completion time.

• delete-todo

  Deletes a task (VTODO) in the calendar specified by its URL

🗓️ A CalDAV Model Context Protocol (MCP) server to expose calendar operations as tools for AI assistants. Run the MCP server in development mode with auto-reload:

• caldav
• mcp-server
• typescript
• mcp