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Calendar Integration -- Technical Specification

Version: v1.1.9 | Status: Active | Last Updated: March 2026

Functional Requirements​

FR-1: Calendar Provider Interface​

  • CalendarProvider shall define abstract methods: list_events, create_event, get_event, delete_event, update_event.
  • All providers shall work with CalendarEvent data models.

FR-2: Google Calendar Provider​

  • GoogleCalendar shall implement CalendarProvider using the Google Calendar API.
  • Shall support OAuth2 credential-based authentication.
  • GoogleCalendar.close() shall release its provider-owned HTTP transport; MCP calls shall close short-lived provider sessions after each request.
  • Gracefully unavailable when google-api-python-client is not installed.

FR-3: Event Model​

  • CalendarEvent shall include: title, start, end, description, attendees, location, and metadata.

Interface Contracts​

def calendar_list_events(start: str, end: str) -> dict
def calendar_create_event(title: str, start: str, end: str, description: str = "") -> dict
def calendar_get_event(event_id: str) -> dict
def calendar_delete_event(event_id: str) -> dict
def calendar_update_event(event_id: str, updates: dict) -> dict