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

Built from the published package · server updated 3 days ago

  1. 1

    Run the install command

    In a terminal, run:

    gemini mcp add agent-warden npx -y @shivdev/agent-warden
  2. 2

    Check it

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

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

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Questions

Does Agent Warden work in Gemini CLI?

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

Agent Warden 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 Warden safe?

It scores 84 of 100. Review the code before you install it, and only give it the access it needs. Grades and details.