How to install Oauth Callback 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 Oauth Callback by running "gemini mcp add oauth-callback npx -y oauth-callback", then type /mcp to check it.

Built from the published package · server updated 4 days ago

Run the install command

In a terminal, run:

gemini mcp add oauth-callback npx -y oauth-callback

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

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

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Questions

Does Oauth Callback work in Gemini CLI?

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

Oauth Callback 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 Oauth Callback safe?

It scores 82 of 100. Review the code before you install it, and only give it the access it needs. Grades and details.