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

Built from the published package · server updated 7 months ago

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

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

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Questions

Does openapi work in Gemini CLI?

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

openapi 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 safe?

It scores 59 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 openapi in another app

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Questions