How to install Lighthouse MCP in Codex

To install Lighthouse MCP in Codex, run "codex mcp add lighthouse-mcp -- npx -y @danielsogl/lighthouse-mcp" 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 lighthouse-mcp -- npx -y @danielsogl/lighthouse-mcp

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

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

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Questions

Does Lighthouse MCP work in Codex?

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

Lighthouse MCP 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 Lighthouse MCP safe?

It scores 83 of 100. Review the code before you install it, and only give it the access it needs. Grades and details.