The best MVP stack is the one your team ships fastest with — but a few 2026 defaults have earned their place: Next.js with TypeScript, a managed Postgres, and a deploy platform that gives you previews per pull request.
Optimize for the second month
Most stack advice optimizes for the first week. The real test is month two, when real users produce real edge cases. Choose tools with mature error tracking, migrations, and rollback stories.
And resist microservices. Your MVP is a monolith. It should be.