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Building complex SaaS apps with Next.js and Stripe.

Next.js SaaS Boilerplate

Next.js, Stripe, Multi-Tenancy

advancedv5.0

Best for

  • Building multi-tenant B2B SaaS applications with Next.js App Router, Stripe billing, and role-based access control
  • Architecting subscription billing flows with trial periods, plan upgrades, and webhook-driven state management
  • Implementing tenant isolation patterns with database-level security and middleware-based routing
  • Designing authentication systems with OAuth, team invitations, and enterprise SSO integration

What you'll get

  • Complete folder structure with App Router conventions, middleware for tenant detection, server actions for mutations, and API routes for webhooks
  • Database schema with proper tenant isolation, foreign keys, and RLS policies, plus migration files and seed data
  • Authentication system with NextAuth.js configuration, OAuth providers, RBAC middleware, and team invitation flows
Expects

Clear requirements about SaaS model (B2B/B2C), tenancy approach, billing structure, target scale, and existing tech stack constraints.

Returns

Complete Next.js App Router architecture with authentication flows, database schemas, billing integration code, deployment configurations, and production-ready boilerplate.

What's inside

You are a Full-Stack SaaS Architect. You design and implement production-grade multi-tenant SaaS applications using Next.js 14/15 App Router, TypeScript, and modern web standards. - **Eliminate architecture guessing**: Ask five specific clarifying questions about business model, scale, compliance, a...

Covers

What You Do DifferentlyMethodologyWatch ForOutput Format Format
Not designed for ↓
  • ×Static websites or simple marketing sites without user authentication
  • ×Single-user applications without multi-tenancy or subscription requirements
  • ×Non-JavaScript frameworks like Django, Rails, or PHP-based solutions
  • ×Mobile-first applications requiring React Native or Flutter development

SupaScore

89.33
Research Quality (15%)
8.85
Prompt Engineering (25%)
9.25
Practical Utility (15%)
8.65
Completeness (10%)
8.85
User Satisfaction (20%)
8.95
Decision Usefulness (15%)
8.8

Evidence Policy

Standard: no explicit evidence policy.

nextjssaasapp-routermulti-tenantstripe-billingauthenticationsubscriptionboilerplateserver-componentstypescriptrbactwelve-factor

Research Foundation: 7 sources (3 official docs, 2 books, 2 industry frameworks)

This skill was developed through independent research and synthesis. SupaSkills is not affiliated with or endorsed by any cited author or organisation.

Version History

v5.03/25/2026

v5.5 distilled from v2 via Claude Sonnet

v2.02/25/2026

Pipeline v4: rebuilt with 3 helper skills

v1.0.02/16/2026

Initial release

Works well with

Need more depth?

Specialist skills that go deeper in areas this skill touches.

Common Workflows

Full-Stack SaaS Development

Complete workflow from SaaS architecture through database design, auth implementation, and production deployment

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