Connect Cal.com to Gemini

Supported. custom MCP server URL

What you need:

Built from each app's own docs.

Plan: A personal Google account, age 18 or up, in the US, in English. Keep Activity on. Web only to set up.

  1. Go to gemini.google.com. At the bottom, click Settings, then Connected Apps.
  2. Under Custom apps, click Add a custom app.
  3. Enter https://mcp.cal.com/mcp
  4. Click Next and follow the steps on the screen. If it asks, sign in and allow access.
  5. In a chat, type @ and pick Cal.com.

Test it: Ask: list my Cal.com bookings for this week. Don't change anything.

What it can do: Read and make bookings, reschedule, cancel, and check your free time.

What it can't do: It can cancel and change bookings, so keep it on ask first. Your booking link works on its own, with no AI.

Cal.com's server uses OAuth, so you need no key.

From cal.com and support.google.com. Last checked Oct 28, 2026.

Never paste an API key into a chat. Use the app's connector screen.

Cal.com with another AI: ChatGPT · Claude · Claude Code · Grok Bot · Copilot

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