How to install Chrome Devtools in Codex

To install Chrome Devtools in Codex, run "codex mcp add chrome-devtools -- npx -y chrome-devtools" 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 chrome-devtools -- npx -y chrome-devtools

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

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

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Questions

Does Chrome Devtools work in Codex?

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

Chrome Devtools 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 Chrome Devtools safe?

It scores 91 of 100. Review the code before you install it, and only give it the access it needs. Grades and details.