How to install Behavior Runtime 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 Behavior Runtime MCP by running "gemini mcp add behavior-runtime-mcp npx -y @putervision/behavior-mcp", then type /mcp to check it.
Built from the published package · server updated 18 days ago
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Run the install command
In a terminal, run:
gemini mcp add behavior-runtime-mcp npx -y @putervision/behavior-mcp - 2
Check it
Inside Gemini CLI, type /mcp to list servers and tools.
MCP servers run with your permissions. If Behavior Runtime MCP needs an API key, add it under env in the config. Check its README.
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Questions
Does Behavior Runtime MCP work in Gemini CLI?
Yes. Gemini CLI supports local and remote mcp servers, extensions (legacy), and Behavior Runtime MCP installs with the steps above.
Behavior Runtime 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 Behavior Runtime MCP safe?
It scores 86 of 100. Review the code before you install it, and only give it the access it needs. Grades and details.
