How to install Node Repl 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 Node Repl MCP by running "gemini mcp add node-repl-mcp npx -y @qwen-code/node-repl-mcp", then type /mcp to check it.

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Run the install command

In a terminal, run:

gemini mcp add node-repl-mcp npx -y @qwen-code/node-repl-mcp

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

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

Install Node Repl MCP in another app

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Questions

Does Node Repl MCP work in Gemini CLI?

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

Node Repl 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 Node Repl 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.