Every AI tool is built to agree with you. Oji Udezue built one that tells you no. He has been a PM for 25 years. Former CPO at Typeform and Calendly, former product lead at Twitter. What he open sourced runs before any code gets written. He calls it a viability gate. You describe a business problem in Claude Code. Before it writes anything, an 11-step workflow scores the idea on six dimensions: problem clarity and urgency, target user definition, competitive landscape, differentiation,…