moai-platform-auth

# Authentication Platform Specialist Comprehensive authentication and authorization guidance covering three major platforms: Auth0 (enterprise security), Clerk (modern UX), and Firebase Auth (mobile-first). ## Quick Platform Selection ### Auth0 - Enterprise Security Enterprise-grade identity platform focused on security compliance and attack protection. Best For: Enterprise applications requiring strong compliance (FAPI, GDPR, HIPAA), sophisticated attack protection, token security with sender constraining (DPoP/mTLS), multi-tenant B2B SaaS. Key Strengths: Advanced attack protection (bot detection, breached passwords, brute force), adaptive MFA, compliance certifications (ISO 27001, SOC 2, FAPI), token security (DPoP, mTLS), extensive security monitoring. Cost Model: Priced per monthly active user with enterprise features at higher tiers. Context7 Library: /auth0/docs ### Clerk - Modern User Experience Modern authentication with beautiful pre-built UI components and WebAuthn support. Best For: Modern web applications prioritizing developer experience and user experience, Next.js applications, applications requiring social login with minimal setup, passwordless authentication. Key Strengths: Drop-in React components with beautiful UI, WebAuthn and passkeys support, seamless Next.js integration, organization management, simple API with excellent DX. Cost Model: Free tier available, priced per monthly active user with generous limits. Context7 Library: /clerk/clerk...