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How to install Agent 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 Agent by running "gemini mcp add agent npx -y @mcp-use/agent", then type /mcp to check it.

Built from the published package · server updated yesterday

  1. 1

    Run the install command

    In a terminal, run:

    gemini mcp add agent npx -y @mcp-use/agent
  2. 2

    Check it

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

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

Install Agent in another app

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Questions

Does Agent work in Gemini CLI?

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

Agent 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 Agent safe?

It scores 94 of 100. Review the code before you install it, and only give it the access it needs. Grades and details.