A methodology called Verified Spec-Driven Development (VSDD) is trending on Hacker News. 130+ points. The full spec is dense. Here is what is actually worth stealing if you are a solo builder moving fast.
The One Insight That Matters
When you write code yourself, you can be vague about requirements — your brain fills in gaps. When an AI agent does it, vagueness is fatal. The agent fills gaps confidently, quickly, and wrong.
Spec-first discipline solves this. Before any AI coding session:
- Write what the feature does (3-5 sentences)
- Write what it must never do (edge cases, failure modes)
- Write what success looks like (testable outcome)
That is it. That is the part worth keeping from VSDD.
The Adversarial Reviewer Trick
After you build something with Claude (or any AI), paste the result into a fresh AI session — different context, no memory of the decisions — and ask: "You are a hyper-critical senior engineer. Find every flaw."
Fresh context catches things the original AI missed because it was trying to be helpful. A second AI with no stake in the outcome is ruthlessly useful.
I have been doing this for two weeks. It catches real bugs every single time.
What to Skip
The full VSDD pipeline — formal verification strategies, hierarchical issue tracking ("beads"), mathematical proofs — is for teams at companies that cannot afford production failures.
If you are validating an idea: skip all of it except the two things above.
The Actual Shift
The bottleneck in AI-assisted building is no longer implementation. It is specification.
The builders who win are not the best prompters. They are the clearest thinkers — the ones who can write down exactly what they want before they ask for it.
That skill compounds. Prompting tricks do not.
Building AI products for SMBs in LATAM: rooxai.com
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