Spec-Driven AI Development
Towards AI
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Generative AI
… and the end of vibe coding Ai generated image by author We witnessed the SaaS market stumble in April 2026. AI agents inside real business workflows now fail roughly one attempt in three, per the Stanford HAI 2026 AI Index. We built this hole ourselves. I reckon the way out is a shift from vibes to specs. We will cover: Why vibe coding silently accumulates cognitive debt. What spec-driven development (SDD) looks like in practice: Constitution, specs, acceptance criteria. A worked example migrating a dbt model with a spec plus a test loop.