Calendly's official hosted MCP server lets AI assistants list event types and available times, look up and cancel scheduled events, create single-use scheduling links, and read user and organization info. It uses OAuth 2.1 with PKCE and dynamic client registration.
Also available as
Connect
- 1Connect it in ChatGPT
Turn on Developer mode in ChatGPT (Settings → Security and login), open Plugins, select + and paste https://mcp.calendly.com as the MCP server URL, then sign in with OAuth. Add it to a chat from the composer's tools menu.
- 2Or add it to Codex or the API
codex mcp add calendly --url https://mcp.calendly.com codex mcp login calendlyThe login command opens a browser to finish OAuth.
Configs are generated from the publisher's documented endpoint. Check their docs for plan requirements and scopes. New to this? Read the step-by-step tutorial.
Tools 12
event_types-list_event_typesevent_types-get_event_typeevent_types-list_event_type_available_timesevent_types-create_event_typeevent_types-update_event_typemeetings-list_eventsmeetings-get_eventmeetings-cancel_eventmeetings-list_event_inviteesscheduling_links-create_single_use_scheduling_linkusers-get_current_userorganizations-get_organizationThings to ask
- “What times am I free for a 30-minute intro call next week?”
- “Create a single-use scheduling link for my 45-minute demo”
- “List my meetings scheduled for tomorrow”
- “Cancel my 3pm meeting today and notify the invitee”