How to install Openapi MCP Rs 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 Openapi MCP Rs by running "gemini mcp add openapi-mcp-rs npx -y openapi-mcp-rs", then type /mcp to check it.

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Run the install command

In a terminal, run:

gemini mcp add openapi-mcp-rs npx -y openapi-mcp-rs

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

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

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Questions

Does Openapi MCP Rs work in Gemini CLI?

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

Openapi MCP Rs 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 Openapi MCP Rs safe?

It scores 52 of 100. Review the code before you install it, and only give it the access it needs. Grades and details.