CalendarPipe: Programmable Calendar Synchronization Tool for Humans and AI Agents
By
Jakub Beneš
Crumbles when you bite it. Light on filling.
Summary
CalendarPipe is a programmable calendar synchronization tool that connects Google, Outlook, and Apple calendars through customizable 'pipes' that filter, transform, and route events. Users can build these pipes visually, describe them in plain English using AI, or write TypeScript code. The system sends events as real calendar invitations without requiring recipients to use OAuth. Additionally, AI agents can access calendars through REST API, CalDAV, and MCP server interfaces to create their own calendars and send invites.
Key quotes
· 4 pulledCalendarPipe syncs Google, Outlook, and Apple calendars through programmable pipes that filter, transform, and route events.
Build pipes visually, describe them in plain English with AI, or write TypeScript.
Events flow as real invitations — no OAuth needed on the recipient side.
AI agents get a REST API, CalDAV, and MCP server to spin up their own calendars and send invites.
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