Is Calendar MCP server safe?
Yes, with the usual care.
Safe to use. Minor gaps such as a missing repository or slower maintenance.
No critical or high findings in the latest scan.
Public scan report
scanner v0.1.9 · 2026-09-20 · same rubric, same numbers if you re-run it
no findings
- Code scan10 source files scanned25/25
- –Live reliabilityno gateway calls yet and no remote to proben/a
- –Tool poisoningtools not inspected (local package is not executed); not countedn/a
- Auth qualitystatic API keys via environment variables6/15
- Maintenancelast push 14 days ago15/15
- Maintainer identityregistry namespace matches repository owner; GitHub account older than a year8/10
Overall 83/100. Components that don't apply are left out of the denominator. Any critical finding is an F.RubricAppeal a findingJSON
Other servers that do what Calendar does
- Agent-Native CalendarAgent-Native Google Calendar - manage events, sync, and public bookingnot reviewedEstablishedA
- Calendar Ics Reader Events Freebusy ConflictsRead the .ics your calendar exports: events in a window, free-busy, double bookings, export.not reviewedGrowingA
- Google Drive MCPSecure access to Google Drive, Docs, Sheets, Slides, and Calendar through MCP.not reviewedGrowingB
