helios-calcom-mcp

helios-calcom-mcp

Secure MCP wrapper for Cal.com integration, exposing calendar booking tools to Hermes/Helios.

Category
Visit Server

README

helios-calcom-mcp

MCP wrapper controlado para conectar Cal.com con Hermes/Helios. Este servicio expone de manera segura y limitada un conjunto de herramientas de Cal.com API v2:

  1. get_available_slots
  2. create_booking
  3. reschedule_booking
  4. cancel_booking

Variables de Entorno

Debes proveer las siguientes variables de entorno para que el servicio funcione:

NODE_ENV=production
PORT=3000
CALCOM_BASE_URL=https://api.cal.com
CALCOM_API_KEY=tu_api_key_de_calcom
CALCOM_EVENT_TYPE_ID=4494139
CALCOM_TIMEZONE=Europe/Madrid
CALCOM_MCP_TOKEN=token_secreto_para_autorizar_peticiones

Ejecución con Docker

docker build -t helios-calcom-mcp .
docker run -p 3000:3000 --env-file .env helios-calcom-mcp

Endpoints

GET /health

Comprueba el estado del servicio.

Ejemplo de uso:

curl http://localhost:3000/health

Respuesta:

{
  "ok": true
}

GET /debug/calcom-slots-test

Ruta de diagnóstico para verificar que la comunicación con Cal.com funciona de manera directa. Requiere autorización del MCP.

Ejemplo de uso:

curl http://localhost:3000/debug/calcom-slots-test -H "Authorization: Bearer tu_token_secreto_mcp"

POST /mcp

Punto de entrada unificado para herramientas MCP. Requiere autorización.

Ejemplo de uso (get_available_slots):

curl -X POST http://localhost:3000/mcp \
  -H "Authorization: Bearer tu_token_secreto_mcp" \
  -H "Content-Type: application/json" \
  -d '{
    "tool": "get_available_slots",
    "arguments": {
      "date_from": "2026-08-01",
      "date_to": "2026-08-07",
      "timezone": "Europe/Madrid",
      "event_type_id": "4494139"
    }
  }'

**Ejemplo de uso (create_booking):**
```bash
curl -X POST http://localhost:3000/mcp \
  -H "Authorization: Bearer tu_token_secreto_mcp" \
  -H "Content-Type: application/json" \
  -d '{
    "tool": "create_booking",
    "arguments": {
      "start_time": "2026-07-16T10:00:00.000+02:00",
      "patient_first_name": "Juan",
      "patient_last_name": "Perez",
      "patient_email": "juan@email.com",
      "patient_phone": "+584120000000",
      "notes": "Primera visita"
    }
  }'

**Ejemplo de uso (cancel_booking):**
```bash
curl -X POST http://localhost:3000/mcp \
  -H "Authorization: Bearer tu_token_secreto_mcp" \
  -H "Content-Type: application/json" \
  -d '{
    "tool": "cancel_booking",
    "arguments": {
      "booking_uid": "mxJHrmKRPACaRBm3fMSqoL",
      "reason": "Prueba técnica Helios Cal.com MCP"
    }
  }'

Respuestas de error por autenticación: Si falta el token o es incorrecto:

{
  "error": "Unauthorized"
}

(Status 401)

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