Calendrz

MCP Server

Your AI assistant,

calendar-aware.

Calendrz now speaks directly to Claude and ChatGPT. Connect once and let your AI assistant read your availability, manage your connected accounts, and trigger availability mirroring — all from natural conversation.

Claude.ai

ChatGPT

• any MCP client

Connect your AI assistant → See what's possible

You say

"Show my events for next week"

↓

AI Assistant

Claude.ai / ChatGPT

→

Protocol

MCP over OAuth 2.1

Calendrz MCP Server

https://app.calendrz.com/mcp

↓

Response

Your calendar events, live

get_events

get_profile

trigger_sync

get_tiers

save_preferences

• 4 more

How it works

Works where you already work.

One Calendrz MCP server. Every major AI assistant.

🤖

Claude.ai

Connect via Settings → Connectors → Add Custom Connector. Calendrz auto-discovers OAuth metadata — no manual setup required.

Setup for Claude →

💬

ChatGPT

Connect via Settings → Connected Apps → Add Connection. Follow the OAuth flow and you're live in seconds.

Setup for ChatGPT →

What's included

Everything your AI needs to manage your time.

9 tools covering your full Calendrz profile — read your events, update your mirroring preferences, trigger a sync, and more.

📅

Calendar access

Read events across all your connected accounts with optional date filtering. Your AI always knows what's on.

Read-only

🪞

Availability mirroring control

View and update your mirroring preferences — which calendars auto-block, how tentative events are handled, and more.

Read + Write

⚡

Instant sync trigger

Tell your AI to sync now and Calendrz will immediately mirror your latest availability across all connected calendars.

Action

🔒

Secure by design

OAuth 2.1 with JWT tokens. Your Google and Microsoft credentials are never exposed — Calendrz issues its own short-lived access tokens.

OAuth 2.1

Connect your AI assistant to Calendrz today.

Takes two minutes. No API keys. No configuration. Just sign in.

View setup guide → Sign in to Calendrz

Set up in under two minutes.

No API keys. No manual configuration. Just point your AI assistant at Calendrz and sign in.

1

Open your AI settings

Go to Connectors or Connected Apps in Claude or ChatGPT

2

Enter the MCP URL

app.calendrz.com/mcp

3

Sign in with Google

Authorize via your existing Calendrz account — one click

4

Start talking

Ask your AI assistant anything about your calendar

Compatible with