@instacodeio/icloud-calendar-mcp-server

List all calendars in the authenticated iCloud account. Returns each calendar's display name, URL (used as a stable identifier), color, and timezone if available. Use this when: - The user asks "what calendars do I have" - You need a calendar identifier to pass to other tools - Disambiguating between calendars with similar names

List events from a specific calendar within a time range. Args: - calendar: Display name (e.g. "Work") or full CalDAV URL - start: ISO 8601 datetime for range start - end: ISO 8601 datetime for range end Returns an array of events with uid, summary, start, end, location, description, allDay flag. The 'uid' is the stable identifier — use it for update/delete operations.

Create a new event on the specified calendar. Args: - calendar: Display name or full CalDAV URL - summary: Event title (required) - start, end: ISO 8601 datetimes - description, location: optional - allDay: boolean (default false) Returns the created event's uid and CalDAV URL.

Update fields on an existing event by UID. Args: - calendar: Display name or full CalDAV URL where the event lives - uid: Event UID (from icloud_list_events) - Any of: summary, description, location, start, end, allDay (only provided fields are updated) Returns confirmation with the updated UID.

Delete an event by UID. Args: - calendar: Display name or full CalDAV URL - uid: Event UID This is destructive. Confirm with the user before invoking.