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How to install Unreal Engine API Documentation 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 Unreal Engine API Documentation by running "gemini mcp add unreal-engine-api-documentation uvx unreal-api-mcp", then type /mcp to check it.

Built from the published package · server updated 9 days ago

  1. 1

    Run the install command

    In a terminal, run:

    gemini mcp add unreal-engine-api-documentation uvx unreal-api-mcp
  2. 2

    Check it

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

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

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Questions

Does Unreal Engine API Documentation work in Gemini CLI?

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

Unreal Engine API Documentation does not show up in Gemini CLI. What now?

Restart Gemini CLI fully, check the JSON is valid, and make sure uv (for uvx) is installed. See common MCP errors and fixes.

Is Unreal Engine API Documentation safe?

It scores 78 of 100. Review the code before you install it, and only give it the access it needs. Grades and details.