Google Calendar

An MCP server for creating and managing Google Calendar events.

GitHub

MCP Google Calendar Server

A Model Context Protocol (MCP) server for creating Google Calendar events.

Setup

  1. Install dependencies:

    npm install

  2. Get Google Calendar API credentials:

    • Go to Google Cloud Console
    • Create a new project or select existing one
    • Enable the Google Calendar API
    • Create credentials (OAuth 2.0 Client ID)
    • Download the credentials and save as credentials.json in the project root

  3. Authenticate:

    • Run the server and use the authenticate_google_calendar tool to get the auth URL
    • Visit the URL, grant permissions, and get the authorization code
    • Create a token.json file with your credentials

  4. Configure Claude Code: Add to your MCP settings:

    {
  "mcpServers": {
    "google-calendar": {
      "command": "node",
      "args": ["/Users/krilet/mcp-google-calendar-server/src/index.js"]
    }
  }
}

Usage

The server provides two tools:

authenticate_google_calendar

Generates an authentication URL for Google Calendar access.

create_calendar_event

Creates a new event in your Google Calendar.

Parameters:

  • summary (required): Event title
  • startDateTime (required): Start time in ISO format
  • endDateTime (required): End time in ISO format
  • description (optional): Event description
  • location (optional): Event location
  • timeZone (optional): Time zone (defaults to UTC)
  • attendees (optional): Array of email addresses

Example:

{
  "summary": "Team Meeting",
  "startDateTime": "2024-12-25T10:00:00-08:00",
  "endDateTime": "2024-12-25T11:00:00-08:00",
  "description": "Weekly team sync",
  "location": "Conference Room A",
  "attendees": ["[email protected]"]
}

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