The First Fully Autonomous AI Agent Purchase Through UCP

An AI agent searched a store, picked a product, linked a customer identity, selected wallet payment, set shipping, and completed checkout — creating a real WooCommerce order. No browser. No card network. No human after “proceed.” On March 25, 2026, session 01KMJ26KVH7ZZ78DWMHZ5BRK32 on UCP Playground became the first fully autonomous AI agent purchase completed through the Universal Commerce Protocol. Here’s what happened, what broke along the way, and why it matters. What you’re looking at The session replay shows Claude Sonnet 4.5 shopping at houseofparfum.nl — a real Dutch perfume store running WooCommerce with the UCPReady plugin by Zologic . The user said: “Buy me a perfume under 30 euro, pay with my wallet” Eight turns and 43 seconds later, WooCommerce order #82251 was created. €30.13 debited from the customer’s store wallet. Confirmation email sent. No redirect. No payment form. No human touched it after the initial confirmation. Replay the full session → The full tool call sequ