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How to install SWT3 AI Witness 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 SWT3 AI Witness by running "gemini mcp add swt3-ai-witness npx -y @tenova/swt3-mcp", then type /mcp to check it.

Built from the published package · server updated 10 days ago

  1. 1

    Run the install command

    In a terminal, run:

    gemini mcp add swt3-ai-witness npx -y @tenova/swt3-mcp
  2. 2

    Check it

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

MCP servers run with your permissions. If SWT3 AI Witness needs an API key, add it under env in the config. Check its README.

Install SWT3 AI Witness in another app

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Questions

Does SWT3 AI Witness work in Gemini CLI?

Yes. Gemini CLI supports local and remote mcp servers, extensions (legacy), and SWT3 AI Witness installs with the steps above.

SWT3 AI Witness 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 SWT3 AI Witness safe?

It scores 81 of 100. Review the code before you install it, and only give it the access it needs. Grades and details.