Open-source calendar sync tool & universal calendar MCP server. Aggregate, sync and control calendars on Google, Outlook, Office 365, iCloud, CalDAV or ICS.
CommunityActiveNot testedUpdated 4/3/2026
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MCPpedia
Score
Score
No CVEsActivestdioAGPL-3.0
Should you use this server?
Open-source calendar sync tool & universal calendar MCP server. Aggregate, sync and control calendars on Google, Outlook, Office 365, iCloud, CalDAV or ICS.
✓
Is it safe?
No package registry to scan for CVEs.
No authentication — any process on your machine can connect to this server.
AGPL-3.0. View license →
Last scanned 0 days ago.
✓
Is it maintained?
Last commit 2 days ago. 958 GitHub stars.
i
Will it work with my client?
Transport: stdio. Works with Claude Desktop, Cursor, Claude Code, and most MCP clients.
A
How much context will it use?
0 tools. Token cost not measured.
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What if it doesn't work?