Arlet
Calendly

Connect Calendly to ChatGPT

Search, read and write Calendly from ChatGPT. Arlet links the two through one MCP connection and takes care of keys and authentication.

Enable Calendly in ArletChatGPT connection guide (docs)

Arlet makes Calendly's official MCP server available from the AI client you already use. There is no OAuth app to create on the Calendly side. Signing in completes the connection.

The AI can check booked events and invitees, look up availability, create single-use scheduling links and cancel events. The available tools are those provided by Calendly's official server; some, such as routing forms, depend on your Calendly plan.

How to connect Calendly to ChatGPT

  1. 1

    In the Arlet dashboard, open Integrations → Add an integration and choose Calendly. Sign in with Link Calendly, name the connection and click Create.

  2. 2

    In ChatGPT, open Settings → Plugins → Browse plugins and click + at the top right.

  3. 3

    In the New Plugin form, enter "Arlet" as the Name, choose Server URL for Connection and enter https://mcp.arlet.dev/mcp/, pick OAuth for Authentication, check the risk acknowledgement and click Create.

  4. 4

    Open the Arlet plugin you created, click Sign in with Arlet, sign in with Google and click Allow. The connection is complete.

If the Plugins screen is not shown, turn on Developer mode under Settings → Security and login.

What you can do

Calendly tools that ChatGPT can call.

  • event_types-list_event_types

    List your booking pages (event types).

  • event_types-get_event_type

    Get one event type in detail.

  • event_types-list_event_type_available_times

    Get the available slots for an event type.

  • event_types-create_event_type

    Create an event type.

  • event_types-update_event_type

    Change an event type's settings.

  • meetings-list_events

    List scheduled events by date range and status.

  • meetings-get_event

    Get one scheduled event in detail.

  • meetings-list_event_invitees

    List the invitees of an event.

  • meetings-cancel_event

    Cancel a scheduled event.

  • meetings-create_invitee_no_show

    Mark an invitee as a no-show.

  • scheduling_links-create_single_use_scheduling_link

    Create a single-use scheduling link.

  • shares-create_share

    Create a customized single-use scheduling link.

  • availability-list_user_availability_schedules

    List your availability schedules.

  • availability-list_user_busy_times

    Get the busy periods in a date range.

  • routing_forms-list_routing_forms

    List routing forms.

  • routing_forms-list_routing_form_submissions

    List routing form submissions.

  • users-get_current_user

    Get the connected user's details.

  • organizations-list_organization_memberships

    List the members of your organization.

The tool list follows what Calendly's official MCP server provides and may change.

Example uses

  • See the week ahead

    List your booked meetings and build a daily agenda with who you are meeting, why, and what to prepare.

  • Send a booking link

    Create a single-use scheduling link that matches the other person's request and drop it into an email or chat message.

  • Answer "when are you free?"

    Look up your Calendly availability and reply with concrete open slots.

  • Record a no-show

    Mark invitees who did not attend and draft the follow-up message.

Prompts you can use as-is

  • List this week's sales meetings with the company name and purpose of each
  • Create a single-use booking link for a 30-minute call and write a polite email to send it with
  • Which afternoon slots are open next Wednesday and Thursday?
  • The invitee for my 2pm meeting today did not show up. Record it as a no-show

Use Calendly with other AI clients