OnceHub

Add OnceHub 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://my-mcp.oncehub.com/. This server requires OAuth, so complete the login prompt after you connect.

OnceHub provides these MCP tools: cancel_meeting, get_booking_link, get_my_booking_calendars, get_my_booking_hubs, get_my_upcoming_meetings, get_my_working_hours, get_one_time_use_link, manage_my_pending_meeting_requests, mark_meeting_no_show, request_guest_to_reschedule, update_my_date_specific_availability, and update_my_recurring_working_hours.

As of September 16, 2026, alternatives to OnceHub in productivity on the Manufact MCP catalog include AI Video Prompt Generator: Vivideo.ai, Autodesk Product Help, BoardWise, Credits.fm, and ecoExperten Energieausweis.

OnceHub requires authentication. Connect it in Claude, ChatGPT, or Cursor and complete the OAuth login prompt.

OnceHub is developed by OnceHub. It is listed as community on the Claude connector directory.