Best Calendar MCP Servers for Claude in 2026

The best Calendar MCP server for Claude in 2026 depends on whether you want hosted Google OAuth, self-hosted control, or a broader automation platform with calendar tools.

Quick answer

1. CalendarMCP: best hosted Google Calendar MCP setup.
2. nspady/google-calendar-mcp: best self-hosted baseline.
3. Composio: broad tool platform with calendar integrations.
4. Zapier MCP: useful when calendar actions are part of zaps.
5. Custom MCP server: best for internal policy-heavy teams.

Hosted wins on setup speed

CalendarMCP is strongest when you want Claude connected to Google Calendar quickly without maintaining OAuth, refresh tokens, or deployment plumbing yourself.

Self-hosted wins on control

A self-hosted server can be the right answer for teams with strict infrastructure policy, custom approval gates, or internal-only calendar logic.

FAQ

Which option is fastest for Claude?

Hosted CalendarMCP is the fastest path for most Google Calendar users.

Should regulated teams self-host?

Sometimes. The decision depends on data policy, audit requirements, and who operates OAuth.

Do all options support writes?

No. Check create, update, delete, attendee, and recurring-event support before choosing.