mcp-fantastical and mcp-google-calendar
These two tools are competitors, as both are MCP servers designed to enable AI assistants to manage calendar events, but each integrates with a different popular calendar service: Fantastical or Google Calendar.
About mcp-fantastical
aplaceforallmystuff/mcp-fantastical
MCP server for Fantastical calendar app - create events, view calendar, and manage schedules
Implements AppleScript-based integration with macOS Calendar and Fantastical's URL scheme, enabling natural language event parsing and real-time schedule querying through a native EventKit helper for permission-safe calendar access. Provides six tools covering event creation, schedule viewing, date navigation, and search—designed as an MCP server for Claude Desktop and Claude Code without requiring API keys or external authentication.
About mcp-google-calendar
guinacio/mcp-google-calendar
A MCP server that allows Claude and other MCP clients to interact with Google Calendar. This server enables AI assistants to manage your calendar events, check availability, and handle scheduling tasks.
Implements dual transport modes (STDIO for Claude Desktop and SSE for web clients) with automatic OAuth 2.0 authentication flow and token persistence. The server provides comprehensive calendar operations including conflict detection, timezone-aware event scheduling with recurring RRULE support, and multi-user availability checking across calendars. Built on Python 3.12+ with Pydantic schemas and integrates directly with Google Calendar API through the Model Context Protocol framework.
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