What This Stack Does
This stack exists because the distance between a SaaS idea and its first paying customer has never been shorter, but only if you choose tools that eliminate undifferentiated heavy lifting without sacrificing the foundations you will need at scale. The combination of Cursor, Supabase, Vercel, Drizzle ORM, Linear, Playwright, and Mintlify represents a carefully curated set of tools where each component earns its place by solving a specific SaaS challenge that would otherwise consume days or weeks of development time. The total cost of running this stack is approximately fifty dollars per month — Supabase Pro at twenty-five dollars, Vercel Pro at twenty dollars, and free tiers for everything else — which means you can operate a production SaaS with authentication, a database, file storage, serverless hosting, end-to-end testing, and professional documentation for less than the cost of a single dinner out. Compare this to the traditional approach of provisioning AWS resources, configuring authentication services, setting up CI/CD pipelines, and managing infrastructure, where you would easily spend two hundred dollars per month and weeks of setup time before writing a single line of business logic. This stack lets solo founders and small teams compete with companies that have dedicated platform engineering teams.
The Data Layer: Authentication, Storage, and Type Safety
Supabase serves as the backend foundation, and its role in the SaaS MVP stack cannot be overstated. Out of the box, Supabase provides PostgreSQL database hosting, authentication with social logins and magic links, file storage with CDN delivery, real-time subscriptions via WebSockets, and edge functions for serverless compute. For SaaS applications specifically, Supabase's Row Level Security is the key feature that makes multi-tenancy straightforward rather than terrifying. By defining RLS policies on your tables, you ensure that users can only access data belonging to their organization — and this enforcement happens at the database level, meaning a bug in your application code cannot accidentally leak data between tenants. A typical multi-tenant RLS policy checks the authenticated user's organization ID against the row's organization ID, and Supabase makes the current user's JWT claims available as a database variable for these checks. Authentication integrates tightly with RLS because Supabase automatically passes the authenticated user's context to every database query, eliminating the need to manually thread user identity through your application layer. For billing integration, Supabase's webhook support and edge functions make it straightforward to sync Stripe subscription events with your database — when a customer upgrades their plan, a Stripe webhook triggers a Supabase edge function that updates their organization's plan tier, and RLS policies can then reference that tier to enforce feature gates at the database level.
Drizzle ORM sits between your Next.js application code and Supabase's PostgreSQL database, providing type-safe database access that catches errors at compile time rather than in production. For SaaS MVPs, Drizzle's value proposition is its combination of type safety, SQL-like syntax, and minimal runtime overhead — it generates the exact SQL you would write by hand, with full TypeScript inference on query results. This means when you query a users table joined with organizations and subscriptions, the return type accurately reflects the shape of the joined data without manual type annotations. Drizzle's migration system is lightweight and version-controlled, generating SQL migration files that you can review before applying — important for SaaS applications where data migrations on production databases need to be predictable. Stripe integration patterns in a Drizzle-based SaaS typically involve a subscriptions table that tracks Stripe customer IDs, subscription statuses, and plan tiers, with Drizzle queries providing type-safe access to billing state throughout your application. The relational query API allows you to express complex SaaS queries — like fetching a user with their organization, team members, and current subscription tier — in a single type-safe call that generates efficient SQL with proper joins. Combined with Supabase's connection pooling via Supavisor, Drizzle handles the connection management challenges that trip up many serverless SaaS applications.