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How to install Gemini MCP Tool 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 Gemini MCP Tool by running "gemini mcp add gemini-mcp-tool npx -y gemini-mcp-tool", then type /mcp to check it.

Built from the published package · server updated 3 months ago

  1. 1

    Run the install command

    In a terminal, run:

    gemini mcp add gemini-mcp-tool npx -y gemini-mcp-tool
  2. 2

    Check it

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

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

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Questions

Does Gemini MCP Tool work in Gemini CLI?

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

Gemini MCP Tool 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 Gemini MCP Tool safe?

It scores 77 of 100. Review the code before you install it, and only give it the access it needs. Grades and details.