AgentCal
[ DOCS ]
resources

Everything to build on AgentCal.

Docs, examples, recipes, changelog. Plus a Discord where real engineers ship.

documentation

Read fast. Ship faster.

→5 min read

Get started

From signup to your first booking in 5 minutes. The fastest path.

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API reference

Every REST endpoint, every parameter, every response shape. OpenAPI spec included.

◔14 tools

MCP guide

Connect AgentCal to Claude Desktop, Cursor, or your custom agent. OAuth + stdio.

□5 live

Integrations

Google Calendar, Zoom, Notion, Linear, Slack. How they plug in.

◇8 events

Webhooks

Signed, replayable events. 8 event types. Verification + retry semantics.

△12 recipes

Recipes

Common agent patterns. Recruiter mode. Investor mode. Podcast guest mode.

examples

Recipes you can fork.

RECIPE

Recruiter mode

Send each candidate a 30-min link tied to a hiring panel. Re-routes if the panel reschedules.

RECIPE

Investor mode

Only Tue/Thu afternoons. Expires in 14 days. Max 1 booking. Audience-tagged Sequoia, a16z, etc.

RECIPE

Podcast guest mode

60-min slots, two weeks out, with attendee intake form for show topic + Twitter handle.

RECIPE

Office-hours mode

Public 15-min link, capped at 4/day, only Fridays. Anyone can book; agent flags follow-ups.

RECIPE

Founder-only access

VIP link that bypasses focus-time protection for known founder audience tags.

RECIPE

Emergency support

24h-expiring link for paying customer escalations. Auto-pages the on-call rep on book.

blog

Notes from the build.

2026-05-12ESSAY
Why scheduling is the next API
Every AI assistant in the world has the same blind spot: it can read your calendar but can't book one. AgentCal closes that.
READ →
2026-04-28ENG
The MCP server we wish we'd had a year ago
What it means to design a scheduling MCP — tool granularity, OAuth + SSE, agent-to-agent subscriptions.
READ →
2026-04-10DESIGN
Designing for calm autonomy
Why every agent write in AgentCal is a card with a 10-second Undo. The trust math behind the choice.
READ →
changelog

What shipped.

v0.4.02026-05-27Smart booking links + audience-aware policies.
v0.3.02026-05-20MCP server beta. Claude Desktop one-click install.
v0.2.02026-05-12Agent runtime. Conversational policy editing.
v0.1.02026-05-04Google OAuth + Calendar sync.
v0.0.12026-04-28Repo public. REST API + booking flow live.
community

Where we hang out.

Discord↗

Real-time chat with the team + 400 builders.

GitHub↗

Source, issues, roadmap. Public PRs welcomed.

X / Twitter↗

Ship notes, demos, behind-the-scenes.

Ship something.