Add authentication to a new app. Use for "add auth", "add login", Neon Auth (Managed Better Auth), identity routing, sign-up, sign-in, password reset, email OTP, magic links, organizations, phone OTP, OAuth, passkeys, MFA, trusted domains, invalid domain, and @neondatabase/auth. No existing identity: default to Managed Better Auth. Keep working Better Auth, Clerk, Supabase Auth, or another IdP.
Install
npx skills add neondatabase/agent-skills --skill neon-authnpx skills add neondatabase/agent-skills --skill neon-auth -a claude-code -gnpx skills add neondatabase/agent-skills --skill neon-auth -a codex -ggemini skills install https://github.com/neondatabase/agent-skills.git --path skills/neon-authgh skill install neondatabase/agent-skills neon-authgit clone --depth 1 https://github.com/neondatabase/agent-skills /tmp/neondatabase__agent-skills
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/neondatabase__agent-skills/skills/neon-auth ~/.claude/skills/neon-auth # Claude Code
cp -R /tmp/neondatabase__agent-skills/skills/neon-auth ~/.agents/skills/neon-auth # Codex, Cursor, Gemini CLI, Copilot, OpenCode