Timely MCP server Let your AI agent run the Timely front desk.

ToolWhat it doesAccess

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

  Returns appointments with client, service, staff member, start time and status from the calendar.

  MCP calltimely_read → list_appointments

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

  Parameters

  Parameters: list_appointments

  Name	Type	Description
  date_from string required	string	ISO date.
  date_to string	string	ISO date. Default: date_from.
  staff string	string	Staff member.
  page integer	integer	Page number. Default: 1.

  Example input

  {
    "date_from": "date from"
  }

  Example response

  {
    "appointments": [
      {
        "appointment_id": "TA-61102",
        "client": "Hannah Pritchard",
        "service": "Balayage",
        "staff": "Mia",
        "start": "2026-11-12T10:00",
        "status": "Confirmed"
      }
    ],
    "page": 1
  }

• find_free_slots Open times for a service, optionally with one staff member. read

  Reads the calendar and rosters and returns start times where the service fits.

  MCP calltimely_read → find_free_slots

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

  Parameters

  Parameters: find_free_slots

  Name	Type	Description
  service string required	string	Service name.
  date string required	string	ISO date.
  staff string	string	Staff member.

  Example input

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

  Example response

  {
    "service": "Cut and finish",
    "slots": [
      {
        "staff": "Mia",
        "start": "2026-11-13T15:00"
      }
    ]
  }

• book_appointment Books a service for a client with a staff member. writeasks first

  Creates the appointment on the calendar; Timely sends its usual confirmation and reminders. By default you confirm each call; you can switch that off for this tool.

  MCP calltimely_write → book_appointment

  REST endpointPOST https://cotlet.dev/api/v1/timely/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.
  staff string required	string	Staff member.
  start string required	string	ISO date and time.

  Example input

  {
    "client_id": "TC-22140",
    "service": "Cut and finish",
    "staff": "Mia",
    "start": "2026-11-13T15:00"
  }

  Example response

  {
    "appointment_id": "TA-61177",
    "client": "Chloe Bennett",
    "service": "Cut and finish",
    "staff": "Mia",
    "start": "2026-11-13T15:00",
    "status": "Confirmed"
  }

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

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

  MCP calltimely_write → reschedule_appointment

  REST endpointPOST https://cotlet.dev/api/v1/timely/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.
  staff string	string	New staff member.

  Example input

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

  Example response

  {
    "appointment_id": "TA-61102",
    "start": "2026-11-14T11:00",
    "staff": "Ella",
    "status": "Confirmed"
  }

ToolWhat it doesAccess

• list_clients Clients, searchable by name, mobile or email, with last visit. read

  Returns clients with ID, contact details, last visit and next booking.

  MCP calltimely_read → list_clients

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

  Parameters

  Parameters: list_clients

  Name	Type	Description
  query string	string	Name, mobile or email.
  not_visited_days integer	integer	Only clients with no visit in this many days.
  no_next_booking boolean	boolean	Only clients with nothing booked.
  page integer	integer	Page number. Default: 1.

  Example response

  {
    "clients": [
      {
        "client_id": "TC-22091",
        "name": "Priya Nair",
        "mobile": "07700 900142",
        "last_visit": "2026-08-21",
        "next_booking": null
      }
    ],
    "page": 1
  }

• create_client Adds a new client. write

  Creates the client record. Reaches no one, so it runs at once.

  MCP calltimely_write → create_client

  REST endpointPOST https://cotlet.dev/api/v1/timely/clients

  Parameters

  Parameters: create_client

  Name	Type	Description
  first_name string required	string	First name.
  last_name string required	string	Last name.
  mobile string	string	Mobile.
  email string	string	Email.

  Example input

  {
    "first_name": "first name",
    "last_name": "last name"
  }

  Example response

  {
    "client_id": "TC-22140",
    "name": "Chloe Bennett"
  }