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How to install Tincan 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 Tincan by running "gemini mcp add tincan npx -y @brutalsystems/tincan", 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 tincan npx -y @brutalsystems/tincan
  2. 2

    Check it

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

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

Install Tincan in another app

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Questions

Does Tincan work in Gemini CLI?

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

Tincan 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 Tincan safe?

It scores 80 of 100. Review the code before you install it, and only give it the access it needs. Grades and details.