AI Plugin Index
How to install AI MCP UI 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 AI MCP UI by running "gemini mcp add ai-mcp-ui npx -y @theia/ai-mcp-ui", then type /mcp to check it.
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Run the install command
In a terminal, run:
gemini mcp add ai-mcp-ui npx -y @theia/ai-mcp-ui - 2
Check it
Inside Gemini CLI, type /mcp to list servers and tools.
MCP servers run with your permissions. If AI MCP UI needs an API key, add it under env in the config. Check its README.
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Questions
Does AI MCP UI work in Gemini CLI?
Yes. Gemini CLI supports local and remote mcp servers, extensions (legacy), and AI MCP UI installs with the steps above.
AI MCP UI 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 AI MCP UI safe?
It scores 89 of 100. Review the code before you install it, and only give it the access it needs. Grades and details.