Google Calendar

MCP server for Google Calendar : create events, manage calendars, check availability, and share calendars through 28 tools via the Model Context Protocol. ## Features - Create, update, and delete calendar events (timed and all-day) - Quick add events from natural language - Manage recurring events with RRULE support - Share calendars with ACL (access control) management - Check availability with free/busy queries - Manage multiple calendars and subscriptions - Full OAuth 2.0 authentication with refresh tokens ## 28 Tools Events (10): List, get, create, update (PUT), patch (PATCH), delete, quick add, move, list instances, import CalendarList (5): List subscribed calendars, get entry, add (subscribe), update display settings, remove (unsubscribe) Calendars (5): Get metadata, create, update, delete, clear all events ACL (5): List rules, get rule, create (share), update permission, delete (revoke) Utility (3): Query free/busy, get color palette, list settings ## Configuration - GOOGLE_CLIENT_ID : OAuth 2.0 Client ID from Google Cloud Console - GOOGLE_CLIENT_SECRET : OAuth 2.0 Client Secret - GOOGLE_REFRESH_TOKEN : Refresh token with Calendar scope