How to install gdharness 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 gdharness by running "gemini mcp add gdharness npx -y gdharness", then type /mcp to check it.

Built from the published package · server updated 2 days ago

1
Run the install command
In a terminal, run:
```
gemini mcp add gdharness npx -y gdharness
```
2
Check it
Inside Gemini CLI, type /mcp to list servers and tools.

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

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Questions

Does gdharness work in Gemini CLI?

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

gdharness 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 gdharness safe?

It scores 86 of 100. Review the code before you install it, and only give it the access it needs. Grades and details.

Run the install command

Check it

Install gdharness in another app

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