LaunchAI — AI SaaS Boilerplate (Next.js + Supabase + Stripe)

Ship your AI-powered SaaS in hours, not months

The ultimate AI SaaS starter. Everything you need to build, launch, and monetize an AI product out of the box.

What's included

• AI Chat — GPT-4o via Vercel AI SDK (streaming)
• Auth — Supabase (Email + Google OAuth)
• Payments — Stripe Checkout + Webhooks + Billing Portal
• Database — Supabase PostgreSQL with RLS
• UI — Next.js + Tailwind + shadcn/ui (Dark Mode)
• Security — webhook signature verification, row-level security
• Mobile-first responsive design
• Type-safe — TypeScript strict mode throughout

Stack

Next.js · React 19 · Supabase · Stripe · OpenAI / Vercel AI SDK · shadcn/ui · TailwindCSS