Gapstr is a Founder Intelligence Platform that scans Hacker News, GitHub, and Stack Overflow to surface unmet market demand. Type any keyword → get: - Opportunity score (demand, competition, revenue potential) - AI-powered market analysis - Complete MVP plan with sprint schedule - Ready-to-paste Cursor/Claude Code prompt Free. No login required. Built for indie hackers and solo founders who want to build what the market actually needs — before everyone else.