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Custom Connectors

Full read-write Claude connector for Google Calendar

Have Claude create events and reschedule meetings in Google Calendar

Stop typing events and chasing free slots by hand. Claude books inside the calendar where your meetings already live, creating events with the right guests and a Meet link, moving things around, and only sending invites once you approve.

Google Calendar is Google's scheduling service, where teams keep their meetings, availability, and shared calendars. People want Claude to do more than read what is on the calendar: to create events, invite the right guests, and move things around on their behalf.

What is a Google Calendar MCP server?

A Google Calendar MCP server is a small hosted service that exposes Google Calendar's data and actions to Claude over the Model Context Protocol, so Claude can calendars and appointments inside your own account. We build it as a custom connector with separate read and write tools, and destructive actions stay gated behind your approval.

What can Google Calendar's current connector do today?

Today, Google Calendar's default Claude connection tends to be read-leaning: Claude can usually look up events and check availability, but creating events, inviting guests, and rescheduling are often limited or unavailable. A custom Google Calendar connector adds those write actions with scoped, human-in-the-loop controls, so Claude books inside the calendar rather than describing it.

What does full read-write Google Calendar access unlock?

Full read-write Google Calendar access lets Claude create events with the right guests and conferencing, reschedule or update existing events, manage RSVPs, and block focus time across the calendars you connect, once you approve. The back-and-forth that used to mean manual entry happens where the schedule already lives.

  • Create an event with the right guests, location, and a Google Meet link
  • Reschedule or update an existing event and notify attendees
  • Find a free slot across attendees and propose a time to book
  • Add or remove guests and update your RSVP on an invitation
  • Block focus time or hold tentative slots on your calendar
  • Cancel or delete an event after you approve it

Can Claude create and book events in Google Calendar?

Yes. With a full read-write Google Calendar connector, Claude can create an event with the right guests, a location, and a Google Meet link, then save it to the calendar you choose. The default connection tends to be read-leaning, which is why booking events needs a purpose-built connector.

Can Claude reschedule a meeting in Google Calendar?

Claude can find a free slot across attendees, update an existing event with the new time, and notify the guests once you approve. It can also add or remove guests and update your RSVP, so the rescheduling happens in the calendar instead of a manual round of edits.

Will Claude send invites or delete events without my approval?

No. Sending invitations and deleting or cancelling events are separate, gated actions that run only after you confirm. Claude can prepare the event and the guest list freely, but the outbound invite and any deletion wait for a human, and it never gets more access than your own Google account has.

How a Google Calendar connector works

We build a small MCP server that authenticates to Google Calendar with OAuth 2.0 and the narrowest scopes the work needs. Read tools (list events, check availability) and write tools (create, update, invite) are separated, and destructive or outbound actions like deleting an event or sending invites require your confirmation. Claude only ever has the access your own Google account already has.

Frequently asked questions

Can Claude create and book events in Google Calendar, not just read them?
Yes. A custom Google Calendar connector exposes create and update write tools, so Claude can book an event with guests, a location, and a Meet link once you approve. The default connection is often mostly read-only, which is why creating and rescheduling events needs a purpose-built connector.
Will Claude send invites or delete events without my approval?
No. Sending invitations, updating attendees, and deleting events are separate, gated write actions. Claude can prepare the event and the guest list, but the invite is only sent or the event only removed after you approve it. You decide which actions are automatic and which require a confirmation step.
Can Claude manage more than one calendar, and does it get more access than I have?
Claude can work across the calendars you connect, including shared or secondary ones, but no further. The connector authenticates as your account through OAuth and inherits your existing permissions, so it never grants Claude more access to a calendar than you already have.

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