MCP.Market

Kalender Sync MCP server

online · 96% uptime
by kalender-sync.de·de.kalender-sync/kalender-sync·v1.11.1

EU-hosted calendar MCP: Google, Outlook, iCloud, GMX, WEB.DE, CalDAV. Read, book, RSVP, sync.

B77/100grade B
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B77/100

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If you have run it, two minutes of your experience saves the next person an afternoon.

Kalender Sync tools

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How Kalender Sync compares

Against every graded Email MCP server, from our own scans and uptime checks. Updated after each scan run.

Safety score
77/100
higher than 50% of 916 Email servers
Uptime
96%
of our recent checks; the typical remote Email server answers 100%
Response time
667 ms
faster than 19% of 609 Email servers

Release history: 3 versions in the registry since 2026-09-12, latest 2026-10-28, typically one every 37 days.

Install Kalender Sync in Claude Code, Cursor or VS Code

claude mcp add --transport http kalender-sync https://app.kalender-sync.de/mcp
Add to Cursor

Kalender Sync: common questions

Is Kalender Sync MCP server safe?
Mostly: it is graded B (77/100). Read the Kalender Sync safety report
How do I install Kalender Sync?
It runs remotely at app.kalender-sync.de. Add it to Claude Code, Cursor, VS Code or Claude Desktop with the snippets above, or call it through the mcp.market gateway without installing anything.
Does Kalender Sync need an API key?
Yes. The registry entry asks for Authorization.
Is Kalender Sync maintained?
The latest release is v1.11.1.
Is Kalender Sync up?
96% of our last 28 checks got an answer. We check remote servers about four times a day.
What can I use instead of Kalender Sync?
Servers from other publishers that do the same job: Mailoo - Email MCP Server, Workspace MCP server and Google Workspace MCP server.
How does Kalender Sync compare with other Email MCP servers?
safety score 77/100 (higher than 50% of 916 Email servers); uptime 96% (of our recent checks; the typical remote Email server answers 100%); response time 667 ms (faster than 19% of 609 Email servers). Full comparison.

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