io.github.mmedum/google-calendar-mcp
google-calendar-mcp
Is the io.github.mmedum/google-calendar-mcp MCP server down? No. It answered initialize and tools/list in the probe of 2026-11-09.
Google Calendar over MCP: calendars, events, recurrence and availability.
alive probed 2026-11-15 · unchanged since 2026-11-09
- Bundle
- https://github.com/mmedum/google-calendar-mcp/releases/download/v5.1.1/google-calendar-mcp_5.1.1.mcpb (MCPB, for a client that installs bundles; probed in a container with the network off)
- Host
- github.com
- Reports itself as
- google-calendar-mcp v5.1.1
- Capabilities
- logging, resources, tools
- Instructions
- 2 229 characters
- Of a 1M window
- 1.7 % of a 1M context window
- Count
- 17k tokens in Claude Opus 5.5, exact, measured 2026-10-26. With the Claude Code prefix mcp__…__ on each tool name: 17k. The o200k_base estimate is 11k. Counted again when the tool definitions change. Method.
- Repository
- https://github.com/mmedum/google-calendar-mcp
- Website
- https://github.com/mmedum/google-calendar-mcp#readme
- Registry
- active, updated 2026-11-03 · registry entry
Most expensive tools
The Claude column scales the o200k estimate of each tool by this server's ratio of exact to estimate, 1.53×.
| Tool | ≈ Claude tokens | o200k estimate | Share of this server |
|---|---|---|---|
| update_event | 2 867 | 1 873 | 17 % |
| create_event | 2 690 | 1 757 | 16 % |
| cancel_event | 1 110 | 725 | 6 % |
| list_events | 1 081 | 706 | 6 % |
| manage_calendar | 1 062 | 694 | 6 % |
Compare this server with others.
More servers
Other registry entries on github.com, the ones next to this name; all of them.
- gadak io.github.midagedev/gadak · crashed on start
- ContextDB Memory io.github.mikhailbovt/contextdb-memory · not found
- Favro io.github.mmedum/favro-mcp · needs network
- io.github.mmedum/gitlab-mcp · alive
- io.github.mmedum/google-chat-mcp · alive
- io.github.mmedum/google-docs-mcp · alive
- Google Drive io.github.mmedum/google-drive-mcp · alive
- io.github.mmedum/google-mail-mcp · alive
Servers that mention calendar.
- CalendarMCP ai.calendarmcp/server · needs auth
- Calaf ai.calaf/calaf · needs auth
- Calfeed ai.calfeed/calfeed · needs auth
- Chronary ai.chronary/mcp · alive
- Contio MeetingOS ai.contio/meetingos · needs auth
- OmniSignal ai.omnisignal/omnisignal · needs auth
- Timothe's Growth Calendar ai.timothe/growth-calendar · needs auth
- ai.smithery/Funding-Machine-ghl-mcp-fundingmachine · not found
Badge for the README
The result of the latest probe, the tool count and the token cost. The feed has an entry for every probe that changed them.
A mail when this server changes
Stops answering, comes back, tool set or cost changes. One confirmation mail first, a stop link in every mail.
For the publisher
- This server is in the heaviest 10 % of the registry. Its 5 most expensive tools are 51 % of the cost. Shorter descriptions, fewer optional parameters and fewer tools cut the cost. The command npx mcpcost --url <endpoint> --tools 50 lists every tool with its cost.