UCP Checker

Research, guides and ecosystem updates

Original research on UCP adoption, the State of Agentic Commerce report, guides for each store platform, and the latest spec changes, written for developers and platform teams building for agentic commerce.

Industry

Past "Add to Cart": UCP's Payment Layer Learns 3DS Challenges and Negotiated Terms

In one week UCP shipped two of the hardest parts of a real checkout — payment authentication (3DS/device-data challenges) and negotiated payment terms as a first-class selection. Discovery was never the hard part. This is.

· 7 min read
Research

Which AI Models Can Actually Complete a Checkout? The Benchmark Just Refreshed to the Frontier

UCP Playground's agentic-checkout leaderboard now spans 20 models across 8 providers — Claude Opus 5, Grok 4.5, Kimi K3, Qwen 3.7 Max and more, with the previous generation kept as lower-cost options. Two decisions make it a price-performance benchmark you can cite, not just a capability ranking.

· 3 min read
Industry

UCP Security, Measured: What the Trust Layer Looks Like Across the Fleet

A payment protocol is a promise that money moves correctly between strangers — only as good as its trust layer. UCP's is being hardened on two fronts: reviewed in the spec, and measurable across the fleet. Here's the measured view — a 99.97% authority-binding pass rate, the signing-key migration bridged, and what real transactions reveal.

· 6 min read
Industry

UCP Payment Extensions Go Global: Mercado Pago Brings Pix, Boleto, and the First Real-World Actions

Four days after the Actions primitive merged, Latin America's largest payment processor used it to propose Pix QR display and out-of-session settlement for boleto, OXXO, and the world's voucher rails. What payment extensions are, what shipped, and why the handler oligopoly makes the extension layer the one to watch.

· 5 min read
Industry

UCP Extensions Can Now Do Things: the Actions Primitive Merged — and Extension Trust Just Got Urgent

The Actions primitive (#582) merged on July 23: a response-only shape that lets extensions hand agents outstanding work — verification flows, loyalty steps, fulfillment choices — at checkout. Elegant design; urgent trust question. Authority binding is the answer, and it's being sharpened in review right now.

· 5 min read
Industry

Nominations Open for the UCP Payments Tech Council — the Money Layer Gets Its Own Governance

The Governing Council approved the Payments TC charter and opened founding-cohort nominations until July 28. The protocol's first horizontal council will own the seam where all the live spec work already is.

· 5 min read
IndustryFood

UCP for Restaurants: An Operator’s Guide to Agentic Ordering

UCP is not a delivery app. It is a new agent-facing ordering funnel that runs on top of your existing POS and ordering stack, preserves you as Merchant of Record, and changes the ordering surface without changing who owns the customer data.

· 17 min read
Product

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 it — daily UCP status and uptime checks, UCP Score trends, break alerts, DNS-verified ownership, private staging drift and a watchlist that benchmarks you against the field. Invite-gated beta, free while it lasts.

· 5 min read
Guides

UCP Authority Binding: Proving an Extension Belongs to Who It Claims

How does an agent know a UCP extension is really from who it claims? Authority binding makes provenance checkable from the outside.

· 7 min read
Guides

What Is the UCP Location Capability? Geo Search, Lookup & Local Discovery

UCP is getting a Location capability — geo search, location lookup and geofencing for finding physical stores, restaurants and pickup points. How the proposed UCP location and geo endpoints work, and where they sit in the protocol.

· 8 min read
Guides

What Is a UCP Namespace? Reverse-DNS, Capabilities, and Who Can Claim One

Every UCP capability is named with a reverse-DNS namespace like dev.ucp.shopping.checkout. How namespaces work, why they are written backwards, and the proposed June 19 change (PR #530) that would define who can claim one.

· 6 min read
IndustryFood

UCP for Food Ordering Just Got a Charter — and It Starts at Checkout, Not the Menu

A proposed Domain Tech Council charter for UCP Food Ordering names its committed participants — DoorDash, Toast, Square and Uber Eats, with Google as the consumer surface — and lays out a three-phase roadmap that, like lodging, starts at checkout and defers the menu. Here is what each phase commits to, why the sequencing is the tell, and the food-specific problems the charter still has to solve.

· 5 min read