Vibe coding: type "add a contact form," hope the agent gets it right, correct it a few times, then close the window while the whole conversation vanishes unsaved. Fine for a throwaway. Hopeless at scale.

Spec-driven development is the disciplined alternative — and it is taking off fast. You write down the what and the why as a maintained specification, keep it separate from the code, and treat it as a permanent contract between you and the agent. The agent is the muscle; the spec is the brain.

This week's issue walks through the whole method by building one real website with it end-to-end - Constitution, feature planning, human-in-the-loop validation, the lot.

The difference between hoping for what you want and engineering what you actually need.

Are you vibe coding or spec-driven?

Read here...

Roland - DWHPro