Last month I published spec-driven development across NestJS, Go, Spring Boot, Laravel, and Rust. This follow-up narrows to the four stable web stacks and adds the compliance angle teams are asking about before August 2, 2026.
The problem with prompt-driven codegen
Re-prompt the same PRD in Cursor or Copilot and you get different schemas, auth bugs, and divergent APIs. For demos that's fine. For production and regulatory documentation, it's a liability.
Spec-to-application treats the PRD as a formal model and compiles it — same input, same output, no LLM in the generation step.
Try it in 90 seconds
