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How to install mcp-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-openai by running "gemini mcp add mcp-openai uvx mcp-openai-pro", then type /mcp to check it.

Built from the published package · server updated 2 days ago

  1. 1

    Run the install command

    In a terminal, run:

    gemini mcp add mcp-openai uvx mcp-openai-pro
  2. 2

    Check it

    Inside Gemini CLI, type /mcp to list servers and tools.

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

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Questions

Does mcp-openai work in Gemini CLI?

Yes. Gemini CLI supports local and remote mcp servers, extensions (legacy), and mcp-openai installs with the steps above.

mcp-openai does not show up in Gemini CLI. What now?

Restart Gemini CLI fully, check the JSON is valid, and make sure uv (for uvx) is installed. See common MCP errors and fixes.

Is mcp-openai safe?

It scores 39 of 100. Review the code before you install it, and only give it the access it needs. Grades and details.