n8n MCP Server

MCP (Model Context Protocol) server for n8n workflow automation. Gives Claude direct access to manage workflows, executions, credentials, tags, variables, users, and security audits via the n8n REST API.

Tools (27 total)

Workflows

• n8n_list_workflows - List/filter/paginate workflows
• n8n_get_workflow - Get full workflow definition by ID
• n8n_create_workflow - Create a new workflow
• n8n_update_workflow - Update an existing workflow
• n8n_delete_workflow - Delete a workflow
• n8n_activate_workflow - Activate (publish) a workflow
• n8n_deactivate_workflow - Deactivate a workflow
• n8n_get_workflow_tags - Get tags for a workflow
• n8n_update_workflow_tags - Set tags on a workflow

Executions

• n8n_list_executions - List/filter executions (status, workflow)
• n8n_get_execution - Get execution details with data
• n8n_delete_execution - Delete execution history
• n8n_retry_execution - Retry a failed execution

Credentials

• n8n_list_credentials - List all credentials (metadata only)
• n8n_create_credential - Create a new credential
• n8n_delete_credential - Delete a credential
• n8n_get_credential_schema - Get schema for a credential type

Tags

• n8n_list_tags - List all tags
• n8n_create_tag - Create a tag
• n8n_update_tag - Rename a tag
• n8n_delete_tag - Delete a tag

Variables

• n8n_list_variables - List all variables
• n8n_create_variable - Create a variable
• n8n_delete_variable - Delete a variable

Users

• n8n_list_users - List all users (owner only)
• n8n_get_user - Get user by ID or email

Admin

• n8n_run_audit - Run security audit
• n8n_source_control_pull - Pull from Git (enterprise)

Environment Variables

Variable	Required	Description
N8N_BASE_URL	Yes	Your n8n instance URL (e.g. https://your-instance.app.n8n.cloud)
N8N_API_KEY	Yes	API key from n8n Settings > API
PORT	No	Server port (default: 3000)

Setup

npm install
npm run build
npm start

Deploy on Railway

1. Push to GitHub
2. Create Railway project from repo
3. Set N8N_BASE_URL and N8N_API_KEY environment variables
4. Deploy - SSE endpoint will be at https://<service>.up.railway.app/sse

Connect to Claude.ai

Add as a custom MCP connector with the SSE endpoint URL.