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vibe-check
A skill for AI coding tools that guides complete beginners from a vague app idea to a buildable blueprint.
486 GitHub stars52 forks12-year product manager creatorProduct Hunt launchMIT licensed
Opportunity score
55/100
Moderate business opportunity due to a large addressable market but low revenue per user and weak defensibility.
Founder verdict
MAYBE
A clever painkiller for a real problem, but as a business it's an expensive consulting wrapper, not a scalable startup yet.
What is vibe-check?
vibe-check is an open-source skill for AI coding tools (Claude Code, Codex, Antigravity) created by a 12-year product manager to transform non-technical founders' vague app ideas into validated, buildable blueprints. It covers problem discovery, market validation, UX mapping, tech stack recommendation, build checkpoints, and growth loop design—all before a single line of code. The creator monetizes through personalized consulting services (idea validation, code rescue audits, MVP blueprints). The tool is gaining traction on GitHub and Product Hunt, targeting the huge audience of aspiring app builders who lack the product management skills to avoid building the wrong thing.
Get the full vibe-check playbook
The complete reverse-engineering — what to copy, what to avoid, and exactly what to build instead.
- Full opportunity score across 8 dimensions
- The real problem & why customers pay
- Why it's winning — with evidence
- Complete business reverse-engineering
- Competitive advantages & moat analysis
- Weaknesses, risks & what to avoid
- Clone strategy — what to build instead
- Week-by-week MVP roadmap
- Recommended technical stack
- Founder verdict & highest-leverage move