MCP server

n8n-MCP (community)

Give AI deep knowledge of n8n nodes and templates to build and validate workflows

.mdConnect

A widely used community MCP server that gives AI assistants documentation for thousands of n8n nodes and workflow templates, plus validation tools. With an n8n API URL and key it can also manage workflows and executions on your instance. n8n itself also offers an instance-level MCP server at https://<your-n8n-domain>/mcp-server/http.

Connect

  1. 1Add the server to Codex
    codex mcp add n8n --env N8N_API_URL=YOUR_N8N_API_URL --env N8N_API_KEY=YOUR_N8N_API_KEY -- npx n8n-mcp

Configs are generated from the publisher's documented endpoint. Check their docs for plan requirements and scopes. New to this? Read the step-by-step tutorial.

Tools 7

tools_documentationsearch_nodesget_nodevalidate_nodevalidate_workflowsearch_templatesget_template

Things to ask

  • “Build an n8n workflow that posts new RSS items to Slack”
  • “Validate this workflow JSON and fix any node configuration errors”
  • “Find a template for syncing HubSpot contacts to Google Sheets”
  • “What parameters does the HTTP Request node accept?”

Related

Chrome DevTools MCPLet coding agents control and debug a live Chrome browserMCP server · by Google Chrome DevTools · 53k starsPlaywright MCPBrowser automation for agents via Playwright accessibility snapshotsMCP server · by Microsoft · 38k starsGitHubManage repos, issues, pull requests and Actions from your AI agentMCP server · by GitHub · 33k stars · RemoteContext7Pull up-to-date, version-specific library docs into your coding agentMCP server · by Upstash · 63k stars · RemoteNotionSearch, read, and write Notion pages, databases, and comments via hosted MCPMCP server · by Notion · 4.7k stars · RemoteExcalidrawDraw hand-drawn Excalidraw diagrams live inside ChatGPT, Claude and VS CodeMCP server · by Excalidraw · 5.5k stars · Remote