⚡ NexusKit

Generate production-ready SaaS applications in minutes — not weeks.

🚀 What is NexusKit?

NexusKit is a CLI tool that scaffolds a complete, production-ready SaaS application in a single command. Stop copy-pasting boilerplate — NexusKit wires up authentication, payments, database, email, admin dashboard, security, and deployment configs so you can start shipping features on day one.

npx nexuskit-cli my-app

That's it. Your SaaS is ready.

✨ What You Get

| Feature | Options | |---|---| | 🔐 Authentication | NextAuth.js, Clerk, Supabase Auth | | 💳 Payments | Stripe, Paddle, Lemon Squeezy | | 🗄️ Database | PostgreSQL, MySQL, MongoDB (via Prisma) | | 📧 Email | Resend, SendGrid, Postmark | | 🛡️ Admin Dashboard | Users, analytics, full management UI | | 🔒 Security | Rate limiting, CORS, input validation (OWASP) | | 🚢 Deployment | Docker, Vercel, Fly.io, GitHub Actions CI/CD |

📦 Quick Start

Requirements

• Node.js >= 18.0.0
• npm / yarn / pnpm

Generate your app

# Using npx (no install needed)
npx nexuskit-cli my-app

# Or install globally
npm install -g nexuskit-cli
nexuskit-cli my-app

Interactive wizard

NexusKit will guide you through setup:

? Project name: my-saas-app
? Authentication provider: NextAuth.js
? Database: PostgreSQL (Prisma)
? Payment provider: Stripe
? Email service: Resend
? Admin dashboard: Yes
? Deployment target: Vercel + Docker

Then sit back — NexusKit generates everything in seconds.

📁 Generated Project Structure

my-app/
├── app/
│   ├── (auth)/           # Login, signup pages
│   ├── (admin)/          # Admin dashboard
│   ├── api/
│   │   ├── auth/         # Auth endpoints
│   │   └── payments/     # Stripe webhooks & checkout
│   └── pricing/          # Pricing page
├── lib/
│   ├── auth.ts           # Auth configuration
│   ├── stripe.ts         # Stripe client
│   ├── db.ts             # Prisma client
│   └── email.ts          # Email service
├── prisma/
│   ├── schema.prisma     # Database schema
│   └── seed.ts           # Seed data
├── middleware.ts          # Auth + rate limiting
├── docker-compose.yml
├── .github/workflows/    # CI/CD pipeline
└── .env.example

🛠️ Tech Stack

• Framework: Next.js 14 (App Router)
• Language: TypeScript
• Database ORM: Prisma
• Styling: Tailwind CSS
• Auth: NextAuth.js / Clerk / Supabase
• Payments: Stripe / Paddle / Lemon Squeezy
• Email: React Email + Resend / SendGrid / Postmark
• Security: OWASP-compliant middleware

🔧 CLI Options

nexuskit-cli <project-name> [options]

Options:
  -t, --template <name>   Use a preset template
  --auth <provider>       Set auth provider (nextauth|clerk|supabase)
  --db <type>             Set database (postgresql|mysql|mongodb)
  --payments <provider>   Set payment provider (stripe|paddle|lemonsqueezy)
  --skip-install          Skip npm install
  --skip-git              Skip git initialization
  -v, --version           Show version
  -h, --help              Show help

📋 After Generation

cd my-app

# 1. Copy and fill environment variables
cp .env.example .env.local

# 2. Push database schema
npx prisma db push

# 3. Start development server
npm run dev

Your app runs at http://localhost:3000 🎉

⚡ NexusKit Pro — $99 one-time

The free version gives you a complete production SaaS foundation. Pro adds six feature modules for teams and growth-stage products:

| Pro Feature | What it scaffolds | |---|---| | 🏢 Multi-Tenancy | Subdomain routing, per-tenant isolation, Next.js edge middleware | | 👥 Teams & RBAC | Organizations, email invitations, Owner/Admin/Member roles | | 📊 Advanced Billing | Usage-based metering, seat management, Stripe free trials | | 🤖 AI Starter Layer | GPT-4o + Claude Sonnet streaming, token tracking, cost analytics | | 📈 Analytics | MRR, ARR, churn rate, cohort retention dashboard | | 🎯 Onboarding Flows | Step checklists, progress widget, full onboarding page |

One-time payment. No subscription. All future Pro updates included.

→ Get NexusKit Pro — $99

🤝 Contributing

Contributions are welcome! Please open an issue first to discuss what you'd like to change.

1. Fork the repo
2. Create your branch (git checkout -b feature/my-feature)
3. Commit your changes (git commit -m 'feat: add my feature')
4. Push to the branch (git push origin feature/my-feature)
5. Open a Pull Request

📄 License

MIT © mcKrash