How to install MCP UI Ext Apps Openai in Codex

To install MCP UI Ext Apps Openai in Codex, run "codex mcp add mcp-ui-ext-apps-openai -- npx -y mcp-ui-ext-apps-openai" in your terminal, then type /mcp in Codex to check it.

Built from the published package · server updated 2 months ago

Run the install command

In a terminal, run:

codex mcp add mcp-ui-ext-apps-openai -- npx -y mcp-ui-ext-apps-openai

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

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

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Questions

Does MCP UI Ext Apps Openai work in Codex?

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

MCP UI Ext Apps Openai 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 UI Ext Apps Openai safe?

It scores 40 of 100. Review the code before you install it, and only give it the access it needs. Grades and details.