How to install mcp-n8n in Codex

To install mcp-n8n in Codex, run "codex mcp add mcp-n8n --env N8N_BASE_URL=YOUR_N8N_BASE_URL --env N8N_API_KEY=YOUR_N8N_API_KEY -- npx -y mcp-n8n" in your terminal, then type /mcp in Codex to check it.

Built from the published package · server updated 4 days ago

Run the install command

In a terminal, run:

codex mcp add mcp-n8n --env N8N_BASE_URL=YOUR_N8N_BASE_URL --env N8N_API_KEY=YOUR_N8N_API_KEY -- npx -y mcp-n8n

2
Check it
Inside Codex, type /mcp to see the server and its tools.

MCP servers run with your permissions. If mcp-n8n needs an API key, add it under env in the config. Check its README.

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Questions

Does mcp-n8n work in Codex?

Yes. Codex supports mcp servers in the codex cli and ide extension, and mcp-n8n installs with the steps above.

mcp-n8n does not show up in Codex. What now?

Restart Codex fully, check the JSON is valid, and make sure Node.js (for npx) is installed. See common MCP errors and fixes.

Is mcp-n8n safe?

It scores 75 of 100. Review the code before you install it, and only give it the access it needs. Grades and details.