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How to install Throughline Design System 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 Throughline Design System by running "gemini mcp add throughline-design-system npx -y @forumone/throughline-design-system", then type /mcp to check it.

Built from the published package · server updated 2 days ago

  1. 1

    Run the install command

    In a terminal, run:

    gemini mcp add throughline-design-system npx -y @forumone/throughline-design-system
  2. 2

    Check it

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

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

Install Throughline Design System in another app

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Questions

Does Throughline Design System work in Gemini CLI?

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

Throughline Design System 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 Throughline Design System safe?

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