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

Built from the published package · server updated 1 month ago

  1. 1

    Run the install command

    In a terminal, run:

    gemini mcp add mcp-stdio-oauth npx -y mcp-stdio-oauth
  2. 2

    Check it

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

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

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Questions

Does MCP Stdio Oauth work in Gemini CLI?

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

MCP Stdio Oauth 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 MCP Stdio Oauth safe?

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