replying to @therecluse26
Calendar sync across Google/MS/iCloud/CalDAV + an MCP server so Claude & co. can read/write calendars. Mostly fighting provider quirks, like Microsoft not rotating refresh tokens so accounts silently die after 90 days. kalender-sync.de/en/
Kalender SyncSync calendars: Outlook, Google & iCloud | Kalender SyncSync Outlook, Google, iCloud, GMX & WEB.DE automatically – one- or two-way, with 3 visibility levels. GDPR-compliant from Germany, from €5/month.