Scaffold and implement authentication in TypeScript/JavaScript apps using Better Auth. Detect frameworks, configure database adapters, set up route handlers, add OAuth providers, and create auth UI pages. Use when users want to add login, sign-up, or authentication to a new or existing project with Better Auth.
Install
npx skills add better-auth/skills --skill create-authnpx skills add better-auth/skills --skill create-auth -a claude-code -gnpx skills add better-auth/skills --skill create-auth -a codex -ggemini skills install https://github.com/better-auth/skills.git --path better-auth/create-authgh skill install better-auth/skills create-authgit clone --depth 1 https://github.com/better-auth/skills /tmp/better-auth__skills
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/better-auth__skills/better-auth/create-auth ~/.claude/skills/create-auth # Claude Code
cp -R /tmp/better-auth__skills/better-auth/create-auth ~/.agents/skills/create-auth # Codex, Cursor, Gemini CLI, Copilot, OpenCode