How to install N8n Workflow Builder in Codex

To install N8n Workflow Builder in Codex, run "codex mcp add n8n-workflow-builder -- npx -y @kernel.salacoste/n8n-workflow-builder" in your terminal, then type /mcp in Codex to check it.

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Run the install command

In a terminal, run:

codex mcp add n8n-workflow-builder -- npx -y @kernel.salacoste/n8n-workflow-builder

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

MCP servers run with your permissions. If N8n Workflow Builder needs an API key, add it under env in the config. Check its README.

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Questions

Does N8n Workflow Builder work in Codex?

Yes. Codex supports mcp servers in the codex cli and ide extension, and N8n Workflow Builder installs with the steps above.

N8n Workflow Builder 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 N8n Workflow Builder safe?

It scores 76 of 100. Review the code before you install it, and only give it the access it needs. Grades and details.