Agentic Landmark · The Brief
Briefs on the infrastructure, authorization architecture, and commerce strategy of the agentic web: what brands need so agents can find, evaluate, and transact with them.
For thirty years the cart was something you filled, one store at a time. Google's Universal Cart inverts that: the agent assembles it across every merchant that can answer its questions. There is no browsing phase to abandon. The cart is built from a brief.
Google's I/O announcements are not previews, they are production. The Universal Cart, the AP2 authorization layer, and UCP expansion are shipping to a billion AI Mode users. The launch merchant list is the first public ranking of which brands are inside the infrastructure.
Google's three new UCP capabilities, cart, catalog, and identity linking, are not features but a diagnostic: each one names an infrastructure gap, catalog completeness, real-time queryability, and agent-ready loyalty, that decides whether your brand can use the protocol.
