mcp-sii
Open-source MCP server for Chile's SII free invoicing system, enabling AI agents to query issued and received tax documents.
README
mcp-sii
Servidor MCP open source para el Sistema de Facturación Gratuito del SII (mipyme.sii.cl). Permite a agentes IA (Claude, etc.) consultar documentos tributarios emitidos y recibidos.
Requisitos
- Node.js 24+
- agent-browser instalado globalmente:
npm install -g agent-browser && agent-browser install - Certificado digital del SII instalado en el keychain del sistema (para operaciones marcadas con *)
Instalación
npm install
npm run build
Configuración
Variables de entorno (crear .env o configurar en Claude Desktop):
# RUT de la persona natural autorizada (no el RUT de la empresa)
SII_RUT=12345678
# Opción 1: RUT + Clave de la persona autorizada
SII_CLAVE=mipassword
# Opción 2: Certificado digital (tiene precedencia sobre clave)
SII_CERT_PATH=/ruta/al/certificado.pfx
SII_CERT_PASSWORD=passwordDelCert
# RUT de la empresa a operar (requerido si la persona opera múltiples empresas)
SII_EMPRESA_RUT=78122544
Uso con Claude Desktop
Agregar en claude_desktop_config.json:
{
"mcpServers": {
"sii": {
"command": "node",
"args": ["/ruta/a/mcp-sii/dist/src/index.js"],
"env": {
"SII_RUT": "12345678",
"SII_CLAVE": "mipassword",
"SII_EMPRESA_RUT": "78122544"
}
}
}
}
Tools disponibles
| Tool | Descripción | Auth requerida |
|---|---|---|
sii_list_empresas |
Lista empresas disponibles para la persona autenticada | Certificado |
sii_list_documentos_emitidos |
Lista DTEs emitidos con filtros opcionales | Certificado |
sii_get_documento_emitido |
Detalle completo de un DTE emitido | Certificado |
sii_list_documentos_recibidos |
Lista DTEs recibidos con filtros opcionales | Certificado |
sii_get_documento_recibido |
Detalle completo de un DTE recibido | Certificado |
Desarrollo
npm test # correr tests
npm run dev # desarrollo con ts-node
npm run build # compilar TypeScript
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