C

convex

Your landlord told New York City the repair is done. Is it? An inbox (and a no-sign-in page, a voice, and a phone call) that asks the tenant, keeps their answer dated beside the city's record, and tells them the day the city agrees. Convex + OpenAI (GPT-6 Astra, gpt-live-1) + AgentMail + Firecrawl + CALL-E. Convex All Gas Hackathon.