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n8n MCP Server

Serveur MCP (Master Control Program) pour n8n qui fournit des outils de validation de workflows et de bonnes pratiques pour vos projets d'automatisation

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mcp-n8n

The most complete MCP server for n8n

43 tools · Workflows · Data Tables · Tags · Credentials · Users · Webhooks · Audit

Quick Start · All 43 Tools · Configuration · Contributing

Why mcp-n8n?

Other n8n MCPs cover workflows and executions. mcp-n8n covers everything — including Data Tables, the only MCP to do so.

Feature	mcp-n8n	leonardsellem	illuminare	czlonkowski
Workflows (CRUD + execute)	10	7	8	4
Executions	3	5	3	2
Data Tables	8	—	—	—
Tags + Workflow Tags	7	—	5	—
Credentials	4	—	3	—
Users	3	—	4	—
Variables	3	—	3	—
Projects (Enterprise)	4	—	4	—
Security Audit	1	—	1	—
Webhooks	1	1	—	1
Health Check	1	—	—	1
Total	43	12	33	20

Data Tables — full CRUD with filters, search, upsert and dry-run. No other MCP has this.

🚀 Quick Start

Claude Code

claude mcp add --scope user \
  -e N8N_BASE_URL=http://localhost:5678 \
  -e N8N_API_KEY=your-api-key \
  -- n8n npx -y @nextoolsolutions/mcp-n8n

Cursor

Add to ~/.cursor/mcp.json:

{
  "mcpServers": {
    "n8n": {
      "command": "npx",
      "args": ["-y", "mcp-n8n"],
      "env": {
        "N8N_BASE_URL": "http://localhost:5678",
        "N8N_API_KEY": "your-api-key"
      }
    }
  }
}

Claude Desktop

Add to claude_desktop_config.json:

{
  "mcpServers": {
    "n8n": {
      "command": "npx",
      "args": ["-y", "mcp-n8n"],
      "env": {
        "N8N_BASE_URL": "http://localhost:5678",
        "N8N_API_KEY": "your-api-key"
      }
    }
  }
}

Config file location:

macOS: ~/Library/Application Support/Claude/claude_desktop_config.json
Windows: %APPDATA%\Claude\claude_desktop_config.json

Windsurf

Add to your Windsurf MCP config:

{
  "mcpServers": {
    "n8n": {
      "command": "npx",
      "args": ["-y", "mcp-n8n"],
      "env": {
        "N8N_BASE_URL": "http://localhost:5678",
        "N8N_API_KEY": "your-api-key"
      }
    }
  }
}

VS Code (Copilot)

Add to your VS Code settings.json:

{
  "mcp": {
    "servers": {
      "n8n": {
        "command": "npx",
        "args": ["-y", "mcp-n8n"],
        "env": {
          "N8N_BASE_URL": "http://localhost:5678",
          "N8N_API_KEY": "your-api-key"
        }
      }
    }
  }
}

Getting your API key

Open your n8n instance
Go to Settings → n8n API
Create a new API key
Copy it into the N8N_API_KEY environment variable

🛠 Tools

Workflows (10)

Tool	Description
`n8n_list_workflows`	List all workflows with optional filters
`n8n_get_workflow`	Get a workflow by ID (includes nodes, connections, settings)
`n8n_create_workflow`	Create a new workflow from JSON
`n8n_update_workflow`	Update an existing workflow (full replacement)
`n8n_delete_workflow`	Permanently delete a workflow
`n8n_activate_workflow`	Activate a workflow for production
`n8n_deactivate_workflow`	Deactivate a workflow
`n8n_execute_workflow`	Trigger execution with optional input data
`n8n_get_workflow_tags`	List tags associated with a workflow
`n8n_update_workflow_tags`	Replace all tags on a workflow

Executions (3)

Tool	Description
`n8n_list_executions`	List executions with filters (workflow, status, cursor)
`n8n_get_execution`	Get execution status, result data and timing
`n8n_delete_execution`	Delete an execution record

Data Tables (8)

Only available in n8n v1.64+. This is the only MCP server with Data Tables support.

Tool	Description
`n8n_list_datatables`	List all data tables with filtering and sorting
`n8n_create_datatable`	Create a table with typed columns (string, number, boolean, date, json)
`n8n_get_datatable`	Get table metadata (columns, name, ID)
`n8n_get_datatable_rows`	Query rows with filter, full-text search, sorting and pagination
`n8n_insert_datatable_rows`	Insert one or more rows
`n8n_update_datatable_rows`	Update rows matching a filter (supports dry-run)
`n8n_upsert_datatable_row`	Update if exists, insert if not
`n8n_delete_datatable_rows`	Delete rows matching a filter (supports dry-run)

Tags (5)

Tool	Description
`n8n_list_tags`	List all tags
`n8n_get_tag`	Get a tag by ID
`n8n_create_tag`	Create a new tag
`n8n_update_tag`	Rename a tag
`n8n_delete_tag`	Delete a tag

Credentials (4)

Tool	Description
`n8n_list_credentials`	List credentials (names and types only — data is redacted)
`n8n_create_credential`	Create a credential (use `get_credential_schema` first)
`n8n_delete_credential`	Delete a credential
`n8n_get_credential_schema`	Get the JSON schema for a credential type

Users (3)

Tool	Description
`n8n_list_users`	List all users (requires instance owner role)
`n8n_get_user`	Get a user by ID or email
`n8n_delete_user`	Delete a user

Variables (3)

Tool	Description
`n8n_list_variables`	List all environment variables
`n8n_create_variable`	Create a key-value variable
`n8n_delete_variable`	Delete a variable

Projects (4) — Enterprise

Tool	Description
`n8n_list_projects`	List all projects
`n8n_create_project`	Create a project
`n8n_update_project`	Rename a project
`n8n_delete_project`	Delete a project

Audit (1)

Tool	Description
`n8n_generate_audit`	Generate a security audit (credentials, database, filesystem, nodes)

System (1)

Tool	Description
`n8n_health_check`	Verify n8n API connectivity

Webhooks (1)

Tool	Description
`n8n_trigger_webhook`	Trigger a workflow via its webhook URL (production or test)

⚙️ Configuration

Variable	Default	Description
`N8N_BASE_URL`	`http://localhost:5678`	Your n8n instance URL
`N8N_API_KEY`	—	API key (required)
`N8N_MAX_RETRIES`	`3`	Retry attempts on 429 / 5xx errors
`N8N_TIMEOUT`	`30000`	Request timeout in milliseconds

✨ Features

43 tools — the most comprehensive n8n MCP available
Data Tables — full CRUD, the only MCP with this support
Automatic retry — exponential backoff on rate limits (429) and server errors (5xx)
Configurable timeout — prevent hung requests (default 30s)
Zero external dependencies — only MCP SDK + Zod
TypeScript strict mode — fully typed, safe, and maintainable
Node 16+ compatible — native fetch with http/https fallback

🔒 Security

API keys are never hardcoded — loaded exclusively from environment variables
Credential data is redacted in list responses (n8n API behavior)
All IDs are sanitized with encodeURIComponent to prevent path traversal
No sensitive data is logged or exposed in error messages

🏗 Development

git clone https://github.com/RPGMais/mcp-n8n.git
cd mcp-n8n
npm install

Command	Description
`npm run dev`	Run with tsx (no build step)
`npm run build`	Compile TypeScript to `dist/`
`npm start`	Run compiled version

Project structure

mcp-n8n/
├── src/
│   ├── index.ts          # MCP server — tool registration and handlers
│   └── n8n-client.ts     # HTTP client — API calls, retry, timeout
├── dist/                  # Compiled output
├── package.json
├── tsconfig.json
└── README.md

🤝 Contributing

Contributions are welcome! Please:

Fork the repository
Create a feature branch (git checkout -b feat/my-feature)
Commit your changes
Push and open a Pull Request

📄 License

MIT — free for personal and commercial use.

Built by NexTool Solutions

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