Obsidian MCP Server

Instructions

Implementation Reference

• src/obsidian_mcp/server.py:1437-1507 (handler)

  MCP tool handler that deletes the specified Google Calendar event by ID, optionally cleans up linked Obsidian note frontmatter, and requires confirmation.
  name="delete_calendar_event", description="Delete a Google Calendar event", ) async def delete_calendar_event( event_id: str, update_note: bool = True, confirm: bool = False ) -> str: """ Delete a calendar event. Args: event_id: Calendar event ID update_note: If true, remove event info from linked note (default: true) confirm: Must be set to true to confirm event deletion Returns: Success message """ if not confirm: return ( "Error: Calendar event deletion requires explicit confirmation. " "Please set confirm=true to proceed with deleting this event." ) if not event_id or not event_id.strip(): return "Error: Event ID cannot be empty" context = _get_context() try: # Get event details before deleting (for note update) calendar = context.get_calendar() if update_note: try: event = calendar.get_event(event_id) description = event.get("description", "") # Extract note path from obsidian:// link if "obsidian://" in description: # Find the note path in the link start_idx = description.find(context.config.obsidian_url_base) if start_idx != -1: note_path = description[start_idx + len(context.config.obsidian_url_base) :] # Extract until next whitespace or newline note_path = note_path.split()[0] if note_path else "" if note_path and context.vault.note_exists(note_path): # Remove calendar event info from frontmatter note = await context.vault.read_note(note_path) if note.frontmatter: frontmatter = dict(note.frontmatter) frontmatter.pop("calendar_event_id", None) frontmatter.pop("calendar_event_link", None) frontmatter.pop("calendar_event_date", None) frontmatter.pop("calendar_event_time", None) await context.vault.update_note(note_path, note.body, frontmatter) except Exception as e: logger.warning(f"Failed to update note: {e}") # Delete the event calendar.delete_event(event_id) return f"✓ Deleted calendar event: {event_id}" except CalendarAuthError as e: return f"Error: Calendar not configured: {e}" except CalendarError as e: return f"Error deleting event: {e}" except Exception as e: logger.exception("Error deleting calendar event") return f"Error deleting calendar event: {e}"
• src/obsidian_mcp/calendar.py:279-295 (helper)

  Core CalendarService method that calls Google Calendar API to delete the event by ID.
  def delete_event(self, event_id: str) -> None: """ Delete a calendar event. Args: event_id: Event ID to delete Raises: CalendarError: If deletion fails """ service = self.get_service() try: service.events().delete(calendarId=self.calendar_id, eventId=event_id).execute() logger.info(f"Deleted calendar event: {event_id}") except HttpError as e: raise CalendarError(f"Failed to delete event: {e}") from e