FitSW MCP server Let your AI agent do the FitSW admin.

ToolWhat it doesAccess

• list_clients Clients, searchable by name, with program and compliance. read

  Returns clients with ID, current program, compliance for the last 7 days and last workout.

  MCP callfitsw_read → list_clients

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

  Parameters

  Parameters: list_clients

  Name	Type	Description
  query string	string	Name or email.
  max_compliance integer	integer	Only clients at or below this compliance percent.
  page integer	integer	Page number. Default: 1.

  Example response

  {
    "clients": [
      {
        "client_id": "U-31877",
        "name": "Marcus Reed",
        "program": "Hypertrophy 4-day",
        "compliance_7d": "50%",
        "last_workout": "2026-11-05"
      }
    ],
    "page": 1
  }

• get_client One client with workouts, results, metrics and nutrition. read

  Returns the client's scheduled and completed workouts, recent results, metrics such as weight, and nutrition plan.

  MCP callfitsw_read → get_client

  REST endpointGET https://cotlet.dev/api/v1/fitsw/clients/{client_id}

  Parameters

  Parameters: get_client

  Name	Type	Description
  client_id string required	string	Client ID from list_clients.

  Example input

  {
    "client_id": "client_8c41d2"
  }

  Example response

  {
    "client_id": "U-31877",
    "name": "Marcus Reed",
    "completed": [
      {
        "workout": "Upper A",
        "date": "2026-11-05"
      }
    ],
    "missed": [
      {
        "workout": "Lower A",
        "date": "2026-11-07"
      }
    ],
    "weight_kg": 84.1,
    "nutrition": "2,600 kcal"
  }

• add_client Adds a client and invites them to the app. writeasks first

  Creates the client the way Add Client on the web does; FitSW emails their free login. By default you confirm each call; you can switch that off for this tool.

  MCP callfitsw_write → add_client

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

  Parameters

  Parameters: add_client

  Name	Type	Description
  first_name string required	string	First name.
  last_name string required	string	Last name.
  email string required	string	Email for the invite.

  Example input

  {
    "first_name": "first name",
    "last_name": "last name",
    "email": "jane@example.com"
  }

  Example response

  {
    "client_id": "U-31940",
    "name": "Olivia Hartmann",
    "status": "Invited"
  }

ToolWhat it doesAccess

• list_programs Your workouts and multi-day programs. read

  Returns workouts and programs by name and length, so the agent assigns the exact one.

  MCP callfitsw_read → list_programs

  REST endpointGET https://cotlet.dev/api/v1/fitsw/programs

  Parameters

  Parameters: list_programs

  Name	Type	Description
  query string	string	Name contains.

  Example response

  {
    "programs": [
      {
        "name": "Hypertrophy 4-day",
        "days": 28
      },
      {
        "name": "Beginner full body",
        "days": 21
      }
    ]
  }

• create_workout Builds a workout in your library from exercises, sets and reps. write

  Creates the workout with exercises from the FitSW exercise list. It sits in your library until assigned, so it runs at once.

  MCP callfitsw_write → create_workout

  REST endpointPOST https://cotlet.dev/api/v1/fitsw/workouts

  Parameters

  Parameters: create_workout

  Name	Type	Description
  name string required	string	Workout name.
  exercises array required	array	Exercise name, sets, reps or time, rest.

  Example input

  {
    "name": "Jane Doe",
    "exercises": "exercises"
  }

  Example response

  {
    "workout_id": "W-8812",
    "name": "Lower B, knee friendly",
    "exercises": 6
  }

• assign_program Assigns a workout or program to a client from a start date. writeasks first

  Schedules the workout or program on the client's calendar; they see it in their app. By default you confirm each call; you can switch that off for this tool.

  MCP callfitsw_write → assign_program

  REST endpointPOST https://cotlet.dev/api/v1/fitsw/clients/{client_id}/program/assign

  Parameters

  Parameters: assign_program

  Name	Type	Description
  client_id string required	string	Client ID from list_clients.
  program string required	string	Workout or program name.
  start string required	string	ISO start date.

  Example input

  {
    "client_id": "U-31940",
    "program": "Beginner full body",
    "start": "2026-11-16"
  }

  Example response

  {
    "client_id": "U-31940",
    "program": "Beginner full body",
    "start": "2026-11-16"
  }

• record_result Enters a client's results for a session you trained in person. write

  Logs weights, reps or times for the workout, the way Enter Results does. Reaches no one, so it runs at once.

  MCP callfitsw_write → record_result

  REST endpointPOST https://cotlet.dev/api/v1/fitsw/clients/{client_id}/results

  Parameters

  Parameters: record_result

  Name	Type	Description
  client_id string required	string	Client ID from list_clients.
  workout string required	string	Workout name.
  results array required	array	Exercise, set, weight, reps.

  Example input

  {
    "client_id": "client_8c41d2",
    "workout": "workout",
    "results": "results"
  }

  Example response

  {
    "client_id": "U-31877",
    "workout": "Upper A",
    "date": "2026-11-09",
    "logged_sets": 15
  }