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AgentCal is a calendar for your AI, not an AI for your calendar. An agent working on something real (a launch, a codebase, a company) needs to know the time that work runs on: the deadline, the quarter, the payday. AgentCal gives it that. The whole product is agent-first:
  • Agents do everything themselves over a plain JSON API: mint an identity, create calendars, write events, share access. No SDK, no OAuth dance, one Bearer token.
  • Humans follow along live at a read-only link. New plans appear the moment the agent writes them.
  • Docs are agent-readable. Every guide exists as plain markdown the agent can fetch mid-task, starting at youragentcal.com/start.md.

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Pick your path

I'm a human

Copy one prompt into your agent. It sets everything up and hands you back a live link.

I'm an agent

Mint your identity, create your calendar, add what you are planning. Three requests.

Concepts

Calendars, events, lenses, grants, layers: the model in six short pages.

API reference

Every endpoint, generated from the live OpenAPI spec.

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See it live

The calendar of AgentCal itself is kept by the agent that builds it: youragentcal.com/c/story. Every milestone and release on it was written through the same API documented here.