How to Build Full-Stack AI SaaS with Claude Code (Tutorial) - How to Add User Auth with Claude Code (Step-by-Step)

Stop Building Auth Yourself in Claude Code Apps 📚 Access ALL video resources & get personalized help in my community: https://www.skool.com/agentic-labs/about?ref=3fd61190e13d426dbf4f3b38adc7de69 📺 Build a SaaS with Claude Code (Full Series): https://www.youtube.com/playlist?list=PL4HikwTaYE0F40LZ_fZ1RXoxLrJyceKCu 💬 My AI voice-to-text software (Wispr Flow): https://wisprflow.ai/r?LEON114 ☕ Buy me a coffee: https://www.buymeacoffee.com/leonvanzyl 💵 Donate using PayPal: https://www.paypal.com/ncp/payment/EKRQ8QSGV6CWW Learn how to add user authentication to your Claude Code applications using Better Auth in this comprehensive tutorial. This video covers implementing Google OAuth, protecting routes, managing user roles, and creating admin sections in your Next.js SaaS application. You'll discover why Better Auth is the ideal authentication library for modern frameworks, how to set up database schemas for user management, and how to implement platform-specific role-based access control. Perfect for developers building production-ready AI SaaS apps with Claude Code. ⏰ TIMESTAMPS: 00:00 Adding authentication to Claude Code apps 00:54 Three authentication implementation options 01:27 Better Auth free open source library 01:47 Framework support Next Nuxt Astro Remix 02:08 Google GitHub Apple Facebook OAuth providers 02:34 MCP authentication and plugin features 03:05 Organizations teams role based permissions 03:16 Payment integration capabilities 06:30 Google OAuth setup tutorial 11:45 Database configuration user schema 14:30 Testing authentication flow user sessions 17:30 Protecting routes authentication required 18:10 Admin routes platform role permissions 19:00 Adding platform role to user table 20:00 Testing admin access control 20:50 Deploy authentication to production #claudecode