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How to install Ultimate Gemini MCP 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 Ultimate Gemini MCP by running "gemini mcp add ultimate-gemini-mcp uvx ultimate-gemini-mcp", then type /mcp to check it.

Built from the published package · server updated 1 month ago

  1. 1

    Run the install command

    In a terminal, run:

    gemini mcp add ultimate-gemini-mcp uvx ultimate-gemini-mcp
  2. 2

    Check it

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

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

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Questions

Does Ultimate Gemini MCP work in Gemini CLI?

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

Ultimate Gemini MCP 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 Ultimate Gemini MCP safe?

It scores 58 of 100. Review the code before you install it, and only give it the access it needs. Grades and details.