MassageBook MCP server Let your AI agent handle MassageBook bookings.

ToolWhat it doesAccess

• list_appointments Appointments for a day or range, by therapist. read

  Returns appointments with client, service, therapist, start time and status.

  MCP callmassagebook_read → list_appointments

  REST endpointGET https://cotlet.dev/api/v1/massagebook/appointments

  Parameters

  Parameters: list_appointments

  Name	Type	Description
  date_from string required	string	ISO date.
  date_to string	string	ISO date. Default: date_from.
  therapist string	string	Therapist.
  page integer	integer	Page number. Default: 1.

  Example input

  {
    "date_from": "date from"
  }

  Example response

  {
    "appointments": [
      {
        "appointment_id": "MB-51102",
        "client": "Megan Carter",
        "service": "Deep tissue, 60 min",
        "therapist": "Jen",
        "start": "2026-11-12T10:00",
        "status": "Confirmed"
      }
    ],
    "page": 1
  }

• find_free_slots Open times for a service, optionally with one therapist or room. read

  Reads the schedule and returns start times where the service fits.

  MCP callmassagebook_read → find_free_slots

  REST endpointGET https://cotlet.dev/api/v1/massagebook/free-slots/find

  Parameters

  Parameters: find_free_slots

  Name	Type	Description
  service string required	string	Service name.
  date string required	string	ISO date.
  therapist string	string	Therapist.

  Example input

  {
    "service": "service",
    "date": "date"
  }

  Example response

  {
    "service": "Swedish, 90 min",
    "slots": [
      {
        "therapist": "Jen",
        "start": "2026-11-13T14:00"
      }
    ]
  }

• book_appointment Books a service for a client. writeasks first

  Creates the appointment; MassageBook sends its usual confirmation, reminders and intake form by your settings. By default you confirm each call; you can switch that off for this tool.

  MCP callmassagebook_write → book_appointment

  REST endpointPOST https://cotlet.dev/api/v1/massagebook/clients/{client_id}/appointments

  Parameters

  Parameters: book_appointment

  Name	Type	Description
  client_id string required	string	Client ID from list_clients.
  service string required	string	Service name.
  start string required	string	ISO date and time.
  therapist string	string	Therapist.

  Example input

  {
    "client_id": "MC-7790",
    "service": "Swedish, 90 min",
    "start": "2026-11-13T14:00",
    "therapist": "Jen"
  }

  Example response

  {
    "appointment_id": "MB-51177",
    "client": "Luis Ortega",
    "service": "Swedish, 90 min",
    "therapist": "Jen",
    "start": "2026-11-13T14:00",
    "status": "Confirmed"
  }

• reschedule_appointment Moves an appointment to a new time. writeasks first

  Moves the appointment; your reminder settings decide what the client hears. By default you confirm each call; you can switch that off for this tool.

  MCP callmassagebook_write → reschedule_appointment

  REST endpointPOST https://cotlet.dev/api/v1/massagebook/appointments/{appointment_id}/reschedule

  Parameters

  Parameters: reschedule_appointment

  Name	Type	Description
  appointment_id string required	string	Appointment ID from list_appointments.
  start string required	string	New ISO date and time.
  therapist string	string	New therapist.

  Example input

  {
    "appointment_id": "appointment_8c41d2",
    "start": "start"
  }

  Example response

  {
    "appointment_id": "MB-51102",
    "start": "2026-11-14T11:00",
    "status": "Confirmed"
  }

ToolWhat it doesAccess

• list_clients Clients with last visit and next booking. read

  Returns client contact details, last visit and next booking. No SOAP notes or intake answers.

  MCP callmassagebook_read → list_clients

  REST endpointGET https://cotlet.dev/api/v1/massagebook/clients

  Parameters

  Parameters: list_clients

  Name	Type	Description
  query string	string	Name, phone or email.
  not_visited_days integer	integer	Only clients with no visit in this many days.
  page integer	integer	Page number. Default: 1.

  Example response

  {
    "clients": [
      {
        "client_id": "MC-7712",
        "name": "Danielle Whitfield",
        "phone": "(828) 555-0142",
        "last_visit": "2026-08-02",
        "next_booking": null
      }
    ],
    "page": 1
  }