Vlad Bondarenko ยท AI Engineerhttps://bondarenko.aiNotes from building and shipping AI systems: agents, evals, MCP, local models and AI-assisted development.en-gbKeep the spec, delete the rest: spec-driven development after the hypehttps://bondarenko.ai/blog/spec-driven-after-the-hypehttps://bondarenko.ai/blog/spec-driven-after-the-hypeWed, 08 Jul 2026 00:00:00 GMTWe tried the full spec-driven playbook for a month, then kept one file. The spec survived because product owned it.