MCP Comparison · 2026

Cal.com vs Google Calendar MCP Server

Comparing Cal.com and Google Calendar as MCP servers? Cal.com (book and manage appointments) is best when agentic booking assistants. Google Calendar (manage calendar events) is best when scheduling assistants. Both run as Model Context Protocol servers and can coexist in the same client. Updated 2026.

Side-by-side specs

Pulled from each MCP's verified fact sheet.

 Cal.comGoogle Calendar
Primary functionBook and Manage AppointmentsManage Calendar Events
MaintainerCal.com (official)Google (official remote) / Community nspady (self-host)
PricingFreemiumFree
Setup complexityLow · ~5 minMedium · ~10 min
TransportStreamable HTTPStreamable HTTP, stdio
Auth modelOAuth 2.1OAuth 2.1
LicenseAGPL-3.0MIT
LanguageTypeScriptTypeScript
Latest versionlatestlatest
Compatible clientsClaude, Cursor, Any MCP-compatible client that supports OAuth 2.1Claude, Cursor, Any MCP-compatible client, Google accounts
Last verified2026-06-282026-06-25

Which one should you pick?

Decision rubric drawn from each MCP's documented strengths.

Choose Cal.com

  • Agentic booking assistants
  • Product-embedded scheduling workflows
  • Demo and onboarding scheduling
See full Cal.com write-up →

Choose Google Calendar

  • Scheduling assistants
  • Find-a-slot flows
  • Meeting-prep agents
See full Google Calendar write-up →

Pick something else if…

  • Raw calendar event management outside booking flows
  • Bulk calendar exports

Feature breakdown

Key capabilities each server ships out of the box.

Cal.com

  • Official Cal.com hosted MCP at mcp.cal.com
  • OAuth 2.1 + Streamable HTTP transport (no local setup)
  • 34 tools: event types, bookings, availability, schedules
  • Free and paid Cal.com plans supported
  • Open-source self-host option available

Google Calendar

  • Official Google remote MCP (calendarmcp.googleapis.com) with 8 tools
  • Self-hostable community server (nspady, MIT)
  • OAuth-scoped calendars
  • Free-busy and suggest-time queries
  • Event CRUD with attendees
  • Multiple-calendar support

Install snippets

Open the detail page for ready-to-paste config for every major client.

FAQ

Cal.com vs Google Calendar: which MCP server should I use?

Pick Cal.com when agentic booking assistants. Pick Google Calendar when scheduling assistants. Cal.com is built for book and manage appointments, while Google Calendar focuses on manage calendar events.

Can I run both Cal.com and Google Calendar together?

Yes. MCP clients run each server as a separate process and surface every server's tools simultaneously, so you can install both and let your agent decide which to call. Be deliberate with auth scopes when stacking servers.

Which is easier to set up, Cal.com or Google Calendar?

Cal.com has the lighter setup. Cal.com reports low complexity (~5 min); Google Calendar reports medium complexity (~10 min).

More Cal.com comparisons

Browse all Scheduling & Calendar MCPs? See the full ranked list →