Open-Source CalDAV MCP Server Lets AI Assistants Manage Your iCloud Calendar

Weekly_Mountain2783 · reddit · 2026-11-07

Developer lukegskw open-sourced a TypeScript CalDAV MCP Server with native multi-VALARM support, letting AI assistants like Claude Desktop manage your iCloud Calendar. The project has gathered GitHub stars and 100+ weekly npm downloads.

Features: browse calendars and upcoming events, create/update/delete events, all-day and recurring schedules, multiple reminders per event (e.g. one day and one hour before), and fixed travel time before appointments. Setup options include a Claude Desktop extension and a Quick Start guide.

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