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.
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...
Introducing the UCP Score: A 0–100 Agent-Readiness Grade for Every UCP Store
The most common follow-up to a UCP status check has always been 'OK, but is it any good?' — so today we're shipping the...
Introducing Side-by-Side Store Compare: See How Any Two UCP Stores Stack Up
The most common follow-up to a UCP status report has always been 'OK, but how does that compare to [other store]?' — so...
Get the agentic commerce digest every Monday
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.