Head to head
Intervals Icu vs Kalender Sync
Same numbers we show everywhere else, lined up. Ratings come from users, the grade comes from our scanner, adoption comes from public registries.
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Read/write Intervals.icu MCP server: activities, wellness, calendar, gear, and workouts.
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GDPR-compliant calendar access for AI assistants: read, create, edit, RSVP. Google, MS 365, Apple.
Full listingThe short version
Neither has been reviewed yet, so the comparison rests on the scan and the public usage numbers. The safety scan favours Intervals Icu (83/100 against 70). Kalender Sync is hosted and callable through the gateway; Intervals Icu runs on your own machine. Intervals Icu has noticeably more public adoption.
| Intervals Icu | Kalender Sync | |
|---|---|---|
| User rating | No reviews yet | No reviews yet |
| Safety grade | B83/100 | B70/100 |
| Adoption | Established | New |
| GitHub stars | 78 | – |
| Downloads / week | 1.6k | – |
| Runs where | Your machine (local) | Hosted (remote) |
| Gateway-ready | No | Yes |
| Tools | — | — |
| Write actions | — | — |
| Price per call | Free | Free |
| Licence | MIT | — |
| Last release | 2026-09-16 | — |
| Category | Productivity | Productivity |