AI Plugin Index
How to install Better Auth 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 Better Auth MCP by running "gemini mcp add better-auth-mcp npx -y @better-auth/mcp", then type /mcp to check it.
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Run the install command
In a terminal, run:
gemini mcp add better-auth-mcp npx -y @better-auth/mcp - 2
Check it
Inside Gemini CLI, type /mcp to list servers and tools.
MCP servers run with your permissions. If Better Auth MCP needs an API key, add it under env in the config. Check its README.
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Questions
Does Better Auth MCP work in Gemini CLI?
Yes. Gemini CLI supports local and remote mcp servers, extensions (legacy), and Better Auth MCP installs with the steps above.
Better Auth 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 Better Auth MCP safe?
It scores 91 of 100. Review the code before you install it, and only give it the access it needs. Grades and details.