# Kalender Sync Muse connector

From musedirectory.ai, the independent directory of Meta Muse connectors. Not affiliated with Meta.

## Kalender Sync

Read, create, edit and RSVP to calendar events on Google, Microsoft 365 and Apple calendars.

- Record: https://musedirectory.ai/connector/kalender-sync
- Category: Productivity
- Developer: kalender-sync.de (https://kalender-sync.de/en/mcp?ref=mcp_registry)
- Muse status: Extra setup. Not in Muse's Connectors list yet. Muse can still use it: its page gives you a request to paste into Muse.
- Health: Working, sign-in needed, 120ms, checked 2026-09-28T09:31:25Z
- Endpoint: https://app.kalender-sync.de/mcp
- Auth: Sign in with your account; Pricing: unknown
- Screening: Screened, no issues found (2026-09-24T22:10:57Z)
- Source: Found in the official MCP Registry (de.kalender-sync/kalender-sync) https://registry.modelcontextprotocol.io/v0/servers?search=de.kalender-sync%2Fkalender-sync

GDPR-compliant calendar connector that lets Muse read, create, edit and respond to calendar invites across Google Calendar, Microsoft 365 and Apple Calendar through OAuth sign-in.

Example request: "Add a meeting to my calendar for next Tuesday at 2pm with my team."

How to connect: Kalender Sync is not in Muse's Connectors list yet, and it needs you to sign in with your Kalender Sync account. Apps that need this kind of sign-in usually cannot be used from a Muse chat yet. Follow it here and we will tell you when it reaches Muse.

Screening checks:
- MCP handshake: pass (Requires sign-in (publishes OAuth metadata))
- Domain against threat feeds (Cloudflare security DNS): pass (app.kalender-sync.de, kalender-sync.de not flagged)
- Published packages against the OSV malicious-package database: n/a (No npm or PyPI package published)
- Hidden instructions or invisible characters in tool text: n/a (Tools are behind sign-in)
- Inputs asking for passwords, card numbers or seed phrases: n/a (Tools are behind sign-in)
- Domain and redirects: pass (No redirects off the domain)
- AI review of purpose and tool behavior: pass (No concerns)