Which integrations are available for this server?

Manages multiple n8n instances through their API, providing tools for workflow operations (list, search, create, update, delete, toggle, execute), execution monitoring, and instance management.

How do I use N8N MCP Server?

1. Click on "Install Server". 2. Wait a few minutes for the server to deploy. Once ready, it will show a "Started" state. 3. In the chat, type @ followed by the MCP server name and your instructions, e.g., "@N8N MCP Server list all workflows in my production instance" That's it! The server will respond to your query, and you can continue using it as needed. Here is a step-by-step guide with screenshots.

N8N MCP Server

by businessarchi

Overview Schema Related Servers Score Discussions

TypeScript

Remote

N8N MCP Server

Serveur MCP (Model Context Protocol) pour gérer plusieurs instances N8N depuis Claude, VSCode ou tout autre client MCP.

Fonctionnalités

11 outils MCP disponibles :

Outil	Description
`n8n_list_instances`	Lister les instances N8N disponibles
`n8n_list_workflows`	Lister les workflows
`n8n_search_workflows`	Rechercher des workflows
`n8n_get_workflow`	Récupérer un workflow
`n8n_create_workflow`	Créer un workflow
`n8n_update_workflow`	Mettre à jour un workflow
`n8n_delete_workflow`	Supprimer un workflow
`n8n_toggle_workflow`	Activer/désactiver un workflow
`n8n_execute_workflow`	Exécuter un workflow
`n8n_list_executions`	Lister les exécutions
`n8n_get_execution`	Détails d'une exécution

Modes de transport

Le serveur supporte deux modes de transport :

Mode	Usage	Variable
SSE (défaut)	Déploiement sur Coolify/Docker	`MCP_TRANSPORT=sse`
stdio	Usage local (Claude Desktop)	`MCP_TRANSPORT=stdio`

Installation

Prérequis

Node.js 18+
Une ou plusieurs instances N8N avec API activée

Installation locale

# Cloner le repository
git clone https://github.com/businessarchi/n8n-mcp-server.git
cd n8n-mcp-server

# Installer les dépendances
npm install

# Build
npm run build

Configuration

Variables d'environnement

Option 1 : Configuration JSON (recommandé pour plusieurs instances)

N8N_INSTANCES='[{"name":"prod","url":"https://n8n.example.com","apiKey":"your-api-key"},{"name":"dev","url":"https://n8n-dev.example.com","apiKey":"your-api-key"}]'

Option 2 : Configuration individuelle

# Instance 1
N8N_INSTANCE_1_NAME=prod
N8N_INSTANCE_1_URL=https://n8n.example.com
N8N_INSTANCE_1_API_KEY=your-api-key

# Instance 2
N8N_INSTANCE_2_NAME=dev
N8N_INSTANCE_2_URL=https://n8n-dev.example.com
N8N_INSTANCE_2_API_KEY=your-api-key

Option 3 : Instance unique

N8N_URL=https://n8n.example.com
N8N_API_KEY=your-api-key
N8N_INSTANCE_NAME=default

Générer une clé API N8N

Aller dans Settings → API dans votre instance N8N
Créer une nouvelle clé API
Copier la clé et l'utiliser dans la configuration

Utilisation

Avec Claude Desktop (mode stdio)

Ajouter dans ~/Library/Application Support/Claude/claude_desktop_config.json (macOS) ou %APPDATA%\Claude\claude_desktop_config.json (Windows) :

{
  "mcpServers": {
    "n8n": {
      "command": "node",
      "args": ["/chemin/vers/n8n-mcp-server/dist/index.js"],
      "env": {
        "MCP_TRANSPORT": "stdio",
        "N8N_INSTANCES": "[{\"name\":\"prod\",\"url\":\"https://n8n.example.com\",\"apiKey\":\"xxx\"}]"
      }
    }
  }
}

Avec un client MCP SSE (mode réseau)

Une fois déployé sur Coolify, le serveur expose :

Endpoint	Description
`GET /`	Informations sur le serveur
`GET /health`	Health check
`GET /sse`	Connexion SSE pour les clients MCP
`POST /messages`	Envoi de messages au serveur

Configuration client MCP SSE :

{
  "mcpServers": {
    "n8n": {
      "transport": "sse",
      "url": "https://votre-serveur.coolify.io/sse"
    }
  }
}

Déploiement sur Coolify

Configuration Coolify

Créer une nouvelle application dans Coolify
Source : GitHub → Sélectionner ce repository
Type de build : Dockerfile
Port exposé : 3000

Variables d'environnement Coolify

N8N_INSTANCES=[{"name":"prod","url":"https://n8n.example.com","apiKey":"xxx"}]

Ou individuellement :

N8N_INSTANCE_1_NAME=prod
N8N_INSTANCE_1_URL=https://n8n.example.com
N8N_INSTANCE_1_API_KEY=your-api-key

Health Check

Configurer le health check vers /health sur le port 3000.

Développement

# Mode développement avec rechargement automatique
npm run dev

# Build
npm run build

# Démarrer en production (SSE par défaut)
npm start

# Démarrer en mode stdio
MCP_TRANSPORT=stdio npm start

Architecture

src/
├── index.ts        # Point d'entrée MCP Server (SSE + stdio)
├── config.ts       # Gestion de la configuration
├── n8n-client.ts   # Client API N8N
├── tools.ts        # Définitions des 11 outils MCP
└── types.ts        # Types TypeScript

Licence

MIT

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