The short answer: enter your domain here and you'll know in under 60 seconds. This UCP ready check runs the same validation that AI agents use to decide whether your store is worth shopping. The longer answer — what "UCP ready" actually means, why it matters, and what to do about the result — is what this post covers. What UCP readiness means A store is "UCP ready" when it publishes a valid manifest at /.well-known/ucp that AI shopping agents can discover, parse, and act on. That's the technical definition. In practice, there are three levels: Level 1: Verified Your manifest exists, returns valid JSON, and passes schema validation against the current v2026-04-08 spec . You appear in the UCP directory . Agents can find you. As of this month, 4,024 stores are at this level. Level 2: Agent-functional Agents can actually shop your store — not just discover it. Your MCP endpoint responds, your product data is clean, your checkout flow completes without errors.…