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Kalender Sync
de.kalender-sync/kalender-sync
EU-hosted calendar MCP: Google, Outlook, iCloud, GMX, WEB.DE, CalDAV. Read, book, RSVP, sync.
Yes, once you sign in.The endpoint is live and speaks MCP correctly. You'll need to sign in with your account (OAuth) to use its tools.
Use Outlook with: ChatGPT · Claude · Cursor · Claude Code · VS Code
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Connect it
Settings → Connectors → Add custom connector
URL: https://app.kalender-sync.de/mcpSettings → Apps & Connectors → Advanced → Developer mode
Create connector with URL: https://app.kalender-sync.de/mcp{
"mcpServers": {
"kalender-sync": {
"url": "https://app.kalender-sync.de/mcp",
"headers": {
"Authorization": "<YOUR_AUTHORIZATION>"
}
}
}
}claude mcp add --transport http kalender-sync https://app.kalender-sync.de/mcp --header "Authorization: <value>"{
"servers": {
"kalender-sync": {
"type": "http",
"url": "https://app.kalender-sync.de/mcp",
"headers": {
"Authorization": "<YOUR_AUTHORIZATION>"
}
}
}
}Tools
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