Research, guides & ecosystem updates
Original research on UCP adoption, monthly state-of-agentic-commerce reports, platform guides, and the latest spec changes — written for developers and platform teams building for agentic commerce.
Shop through the store page: WebMCP runs in Playground 0.22.0
Playground 0.22.0 runs an agent through the tools a store page registers (WebMCP), keeps every run as a replay with scre...
Book a room over UCP: a hotel test store in Playground 0.17.0
hotel.local is a test store for the draft UCP lodging booking capability. Book a room by hand in the Tool Inspector, or...
What the merchant is holding for you: Playground 0.12.0
Three additions to the Tool Inspector and Agent runs. A held-state ledger that mirrors whatever a merchant issued an id...
Connect Any Agent to Every Verified UCP Store: the MCP Server, the ARD Finder and Two Skills Are Live
One snippet and your agent gets check-domain, search-all and add-to-cart in its tool tray — backed by the verified list....
One Design System Across the Whole UCP Playground
Inspector, Agent, session replays, Conformance, the docs, the homepage — every surface of the Playground now shares one...
Introducing UCP Monitoring: Status, Uptime, Score & Alerts in One Dashboard
UCP monitoring, finally in one place. The new dashboard at app.ucpchecker.com watches your business the way agents see i...
Introducing Wire-Level Tool Inspection: See Every Byte Your Store Sends an Agent
Every tool call in a Playground session — live and in replay — now expands to show exactly what crossed the wire: the re...
UCP Message Signatures: How Every Request Proves Who Sent It (RFC 9421)
A profile is just JSON anyone can copy; a `UCP-Agent` header is just a string anyone can set. What makes them mean somet...
UCP Webhooks: How Stores Tell Agents an Order Changed — and How to Verify It
Checkout is the beginning of an order, not the end. UCP webhooks are how a store tells an agent the order shipped, parti...
The UCP Agent Profile: How We Gave Our Shopping Agent a Verifiable Identity
Merchants have always been able to verify a store's UCP profile. Now the agent is verifiable too. Our platform profile a...
Introducing the UCP Playground Extension: An AI Shopping Agent in Your Side Panel
Our second extension turns any UCP-enabled store into a live agent demo. Open Chrome's side panel, pick a model, and wat...
AI Commerce Needs MLPerf — and Here's an Early Attempt
Agentic commerce has consolidated around UCP, but there's no shared way to evaluate how well any of these implementation...
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Real adoption data, ecosystem trends, new spec versions, and the stores that broke or recovered this week. Read by founders and engineers building the next generation of commerce.