KYN AI Fitness Planner helps Sweat & Tonic members manage their studio experience through natural conversation. View your upcoming class schedule, browse available sessions by date, time, or class type, book classes with automatic payment selection, cancel bookings, and reschedule — all without leaving ChatGPT.
book_classBook a class for the member.
Automatically selects the best payment option (membership first, then credits). If the class is full, automatically joins the waitlist.
Args: class_session_id: The class_session_id from browse_classes results.
Returns: Booking confirmation or waitlist status.
class_session_idstringbook_multiple_classesBook multiple classes for the member.
Args: class_session_ids: The list of class_session_ids from browse_classes results.
Returns: Booking confirmations or errors for each class.
class_session_idsarraybrowse_classesBrowse available classes for a specific date.
Args: date_str: Date in YYYY-MM-DD format (e.g. '2026-02-10'). after_time: Optional. Only show classes starting at or after this time. Format: HH:MM in 24-hour time (e.g. '17:00' for 5 PM). Leave empty to show all classes. class_type: Optional. Filter by class type name (e.g. 'Ride', 'HIIT', 'Yoga', 'Pilates'). Case-insensitive partial match. Leave empty to show all types.
Returns: A formatted list of classes with times, instructors, availability, and class_session_ids needed for booking.
date_strstringafter_timestringclass_typestringcancel_bookingCancel an existing class booking.
Args: reservation_id: The reservation_id from get_my_schedule results.
Returns: Cancellation confirmation.
reservation_idstringget_app_infoPublic discovery tool for KYN AI Fitness Planner.
get_my_scheduleGet the member's booked classes for a specific date.
Args: date_str: Date in YYYY-MM-DD format (e.g. '2026-02-09'). Use today's date if the member says 'today'.
Returns: A formatted list of booked classes with times, instructors, locations, and reservation IDs.
date_strstringreschedule_bookingReschedule a booking: cancel the old one and book a new class.
This cancels the existing reservation first, then books the new class. If the cancel succeeds but the new booking fails, the member is informed.
Args: reservation_id: The reservation_id of the booking to cancel (from get_my_schedule). new_class_session_id: The class_session_id of the new class to book (from browse_classes).
Returns: Reschedule result with details.
new_class_session_idstringreservation_idstring