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Calendly
mcp.calendly.com
Not ready
Protocol
MCP negotiation succeeds (v1/v2)
Failed to connect: Authentication required
Overview
- Author
- Calendly
- Verification
- partner
- Auth
- OAuth required
- Categories
- productivity
- Works with
- claudeclaude-api
- Docs
- Documentation
users-get_current_userusers-get_userevent_types-create_event_typeevent_types-update_event_typeevent_types-list_event_typesevent_types-get_event_typeevent_types-list_event_type_available_timesevent_types-list_event_type_availability_schedulesevent_types-update_event_type_availability_schedulelocations-list_user_meeting_locationsmeetings-list_eventsmeetings-get_event+24 moreRelated MCP servers
FAQ
Calendly install, tools, readiness, and alternatives.
How do I add Calendly to Claude, ChatGPT, or Cursor?
Add Calendly to Claude, ChatGPT, or Cursor by connecting its remote MCP URL in each client's MCP settings. In Claude, add a custom connector. In ChatGPT, add an MCP app. In Cursor, add an MCP server under Settings. The MCP URL is https://mcp.calendly.com/. This server requires OAuth, so complete the login prompt after you connect.
Is Calendly MCP ready for ChatGPT and Claude?
As of September 16, 2026, Calendly scores 0/100 on Manufact's MCP publishing checklist. The scan does not yet meet ChatGPT publishing checks and does not yet meet Claude publishing checks.
What tools does the Calendly MCP server provide?
Calendly lists 36 MCP tools, including users-get_current_user, users-get_user, event_types-create_event_type, event_types-update_event_type, event_types-list_event_types, event_types-get_event_type, event_types-list_event_type_available_times, event_types-list_event_type_availability_schedules, event_types-update_event_type_availability_schedule, locations-list_user_meeting_locations, meetings-list_events, and meetings-get_event.
What are the best alternatives to Calendly?
As of September 16, 2026, alternatives to Calendly in productivity on the Manufact MCP catalog include AI Video Prompt Generator: Vivideo.ai, Autodesk Product Help, BoardWise, Credits.fm, and ecoExperten Energieausweis.
Does Calendly MCP require authentication?
Calendly requires authentication. Connect it in Claude, ChatGPT, or Cursor and complete the OAuth login prompt.
Why is Calendly failing MCP readiness checks?
Calendly scored 0/100 on the latest Manufact MCP publishing checklist, below the 70-point ready band. The top failing check is MCP negotiation succeeds (v1/v2). Failed to connect: Authentication required Paste the MCP URL into the Manufact MCP catalog to rerun the scan.
Who develops Calendly?
Calendly is developed by Calendly. It is listed as partner on the Claude connector directory.
Not your MCP?
Scan any public or OAuth MCP URL against ChatGPT and Claude publishing checks. No account required.