Painstack searches Reddit, Hacker News, YC startups, and Product Hunt before scoring your idea 0–100. You get a BUILD / REFINE / KILL verdict grounded in real market signals, not AI opinion. If it's worth building: Market Agent maps real competitors, CEO builds your 90-day roadmap, CMO finds where your ICP is asking for help today, CTO generates 12 execution PRPs ready for Lovable or any AI IDE to start building. From Ideia to first paying customer.