How to install UI MCP React in Codex

To install UI MCP React in Codex, run "codex mcp add ui-mcp-react -- npx -y @smwb/ui-mcp-react" 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 ui-mcp-react -- npx -y @smwb/ui-mcp-react

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

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

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Questions

Does UI MCP React work in Codex?

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

UI MCP React 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 UI MCP React safe?

It scores 61 of 100. Review the code before you install it, and only give it the access it needs. Grades and details.