After every status check on UCPChecker, the same follow-up question lands in our inbox: "OK, my manifest is verified. But is it actually any good?" That question comes from everywhere. Engineering leads who shipped a manifest last quarter and want to know if it would actually carry an agent through checkout. Platform teams pitching agent-readiness to merchants who need a number, not a status pill. Analysts trying to chart " how Shopify compares to WooCommerce " and finding that "verified" tells them next to nothing. Developers picking which UCP store to integrate with first. AI agent builders deciding whose endpoints to feature in demo flows. Store owners benchmarking against direct competitors before a quarterly review. None of these audiences really care that a manifest exists. They care about how good it is. Whether it has the surface signals that keep AI shopping agents finding it. Whether the declared transports actually respond when you call them.…