Making a WooCommerce store shoppable by AI agents (UCP Engine)
An AI shopping agent cannot guess how your WooCommerce store works. It needs a document that says where the store is, and an API that can hold a cart. UCP Engine is that plugin. WooCommerce core does not ship the Universal Commerce Protocol, so the plugin sits next to the store you already have. What the agent actually fetches Discovery is /.well-known/ucp. That profile points at the shopping API and at OAuth metadata for a signed-in buyer. The shopping routes live under ucp/v1: catalog, cart, checkout sessions, and orders. WordPress also exposes them on the normal /wp-json/ path. The plugin rewrites a shorter /ucp/v1 alias, and verification accepts either path, because the agent signs the URL it actually called. ...