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5/12/2026

Spec-Driven Development: Structure Beats Vibes
Short summary
66% of developers cite 'almost right' AI code as their top frustration. Spec-driven development addresses this by making formal specifications the primary artifact—agents build from specs, not vague prompts. GitHub's Spec Kit (90k+ stars) demonstrates a four-phase workflow combining agent planning with human review, reducing rewrites and security gaps by 45%.
- •Specs as primary artifact, not code—closes the gap between AI output and intent
- •45% of AI-generated code contains OWASP vulnerabilities; specs prevent 'almost right' failures at planning stage
- •GitHub Spec Kit: constitution → specify → plan → implement four-phase workflow, supports 20+ agents
Generated with AI, which can make mistakes.
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