How to install cybersec-toolkit 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 cybersec-toolkit by running "gemini mcp add cybersec-toolkit docker run -i --rm ghcr.io/26zl/cybersec-toolkit:1.4.0", then type /mcp to check it.

Built from the published package · server updated 2 days ago

Run the install command

In a terminal, run:

gemini mcp add cybersec-toolkit docker run -i --rm ghcr.io/26zl/cybersec-toolkit:1.4.0

2
Check it
Inside Gemini CLI, type /mcp to list servers and tools.

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

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Questions

Does cybersec-toolkit work in Gemini CLI?

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

cybersec-toolkit 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 cybersec-toolkit safe?

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