Configure rate limiting, manage auth secrets, set up CSRF protection, define trusted origins, secure sessions and cookies, encrypt OAuth tokens, track IP addresses, and implement audit logging for Better Auth. Use when users need to secure their auth setup, prevent brute force attacks, or harden a Better Auth deployment.
Install
npx skills add better-auth/skills --skill better-auth-security-best-practicesnpx skills add better-auth/skills --skill better-auth-security-best-practices -a claude-code -gnpx skills add better-auth/skills --skill better-auth-security-best-practices -a codex -ggemini skills install https://github.com/better-auth/skills.git --path securitygh skill install better-auth/skills better-auth-security-best-practicesgit 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/security ~/.claude/skills/better-auth-security-best-practices # Claude Code
cp -R /tmp/better-auth__skills/security ~/.agents/skills/better-auth-security-best-practices # Codex, Cursor, Gemini CLI, Copilot, OpenCode