Command Palette

Search for a command to run...

UnylyUnyly
Browse all

Helios Calcom

FreeNot checked

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

GitHubEmbed

About

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

README

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": "[email protected]",
      "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)

from github.com/davidjmb99/helios-calcom-mcp

Installing Helios Calcom

This server has no published package — it is built from source. Open the repository and follow its README.

▸ github.com/davidjmb99/helios-calcom-mcp

FAQ

Is Helios Calcom MCP free?

Yes, Helios Calcom MCP is free — one-click install via Unyly at no cost.

Does Helios Calcom need an API key?

No, Helios Calcom runs without API keys or environment variables.

Is Helios Calcom hosted or self-hosted?

A hosted option is available: Unyly runs the server in the cloud, no local setup required.

How do I install Helios Calcom in Claude Desktop, Claude Code or Cursor?

Open Helios Calcom on unyly.org, pick your client tab (Claude Desktop, Claude Code, Cursor) and press Install — the config is generated automatically, no JSON editing.

Related MCPs

Compare Helios Calcom with

Not sure what to pick?

Find your stack in 60 seconds

Author?

Embed badge for your README

Browse similar

All productivity MCPs