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How to install MCP UI Ext Apps Openai in Gemini CLI

Gemini CLI was replaced by Antigravity CLI in June 2026. On an enterprise licence or paid API key you can still install MCP UI Ext Apps Openai by running "gemini mcp add mcp-ui-ext-apps-openai npx -y mcp-ui-ext-apps-openai", then type /mcp to check it.

Built from the published package · server updated 2 months ago

  1. 1

    Run the install command

    In a terminal, run:

    gemini mcp add mcp-ui-ext-apps-openai npx -y mcp-ui-ext-apps-openai
  2. 2

    Check it

    Inside Gemini CLI, type /mcp to list servers and 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 Gemini CLI?

Yes. Gemini CLI supports local and remote mcp servers, extensions (legacy), and MCP UI Ext Apps Openai installs with the steps above.

MCP UI Ext Apps Openai does not show up in Gemini CLI. What now?

Restart Gemini CLI 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.