Yes, castlemakerbooks (castlemakerbooks.myshopify.com) is a verified UCP-compatible merchant with an active manifest. AI shopping agents can interact with castlemakerbooks using the Universal Commerce Protocol 2026-01-23 for product discovery, pricing, and checkout.
Last verified:
castlemakerbooks (castlemakerbooks.myshopify.com) is listed in the UCP Market directory under the books media category. As a verified UCP merchant, castlemakerbooks exposes a machine-readable manifest at https://castlemakerbooks.myshopify.com/.well-known/ucp that AI shopping agents use for product discovery, price comparison, and automated checkout via the Universal Commerce Protocol (2026-01-23).
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