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

Built from the published package · server updated 17 days ago

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

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

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Questions

Does Add MCP work in Gemini CLI?

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

Add MCP 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 Add MCP safe?

It scores 94 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

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Questions