Hermes MCP Server

Hermes MCP Server

Connects Claude to a Nextcloud-hosted Obsidian vault, enabling team members to search, read, list, and get status of notes using existing seats with no API cost.

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README

Hermes — Servidor MCP del Cerebro Digital

Conector MCP remoto que expone el Cerebro Digital (vault de Obsidian alojado en Nextcloud) a Claude. Lee las notas en vivo por WebDAV, las indexa en memoria y ofrece herramientas de búsqueda y lectura para que el equipo consulte el conocimiento de la empresa desde su Claude — sin costo de API, usando los asientos existentes.

Herramientas que expone

  • buscar(consulta) — encuentra notas relevantes por texto.
  • leer_nota(ruta) — devuelve el contenido completo de una nota.
  • listar(subcarpeta) — explora la estructura de carpetas del vault.
  • estado() — muestra cuántas notas hay indexadas y la última actualización.

Variables de entorno

Variable Descripción
NEXTCLOUD_URL URL de Nextcloud (ej. https://drive.mystoredigital.cloud)
NEXTCLOUD_USER Usuario de Nextcloud
NEXTCLOUD_APP_PASSWORD Contraseña de aplicación (WebDAV)
NEXTCLOUD_VAULT_PATH Carpeta del vault (ej. /Cerebro Digital)
HERMES_AUTH_TOKEN Token secreto que va dentro de la URL del MCP
HERMES_PORT Puerto interno (por defecto 8080)
HERMES_REFRESH_MINUTES Frecuencia de re-indexado (por defecto 10)

Despliegue (EasyPanel)

Se despliega como app desde este repositorio (Dockerfile). EasyPanel compila la imagen, inyecta las variables de entorno y publica el servicio con HTTPS en un subdominio.

La URL final del conector MCP es:

https://<subdominio>/<HERMES_AUTH_TOKEN>/mcp

Esa URL se agrega en Claude como conector personalizado (MCP remoto).

Desarrollo local

python -m venv .venv
.venv/Scripts/pip install -r requirements.txt   # Windows
# exportar las variables de entorno y:
python server.py

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