Club Coop
Built at OpenAI GPT-5 Startup Hackathon · Aug 9, 2025
Club Coop is a grocery deal & discount agent for consumers. Our assistant Cooper scans weekly circulars/public discount sources from nearby retailers & generates a personalized savings report based on user preferences (brands, items, stores.) What we built: Onboarding & preferences. We used ChatGPT 5 to overhaul the onboarding flow and wire it to our backend so user preferences are captured and stored reliably. The Cooper agent. We used ChatGPT 5 to create Cooper, which interprets your preferences and queries local deal data to assemble a customized report of best prices and discounts in your area. Data & storage. All database connections are handled with code we generated and integrated via ChatGPT 5, using Supabase as our primary datastore for users, preferences, deal snapshots, and weekly reports.