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.
UCP Tech Council Expands: What the Meeting Minutes Tell Us About Where the Protocol Is Heading
Amazon, Meta, Microsoft, Salesforce, and Stripe just joined the UCP Tech Council. No press release — just a commit. We read the meeting minutes so you don't have to.
· 8 min read
Common UCP Errors and How to Fix Them
We've monitored 4,500+ UCP endpoints. These are the most common errors, why they happen, and exactly how to fix each one.
· 7 min read
UCP Requirements: What Your Store Needs Before Going Live
The minimum requirements to serve a working UCP endpoint, plus the recommended setup that gets agents to actually complete purchases. Based on data from 4,024 verified merchants.
· 5 min read
Is My Store UCP Ready? How to Check in 60 Seconds
Enter your domain and find out instantly. What UCP readiness means, what agents check, and the exact steps to go from failing to passing.
· 5 min read
Agentic Commerce Optimization: What 4,491 Merchants Reveal About UCP Readiness
Everyone's publishing guides on how to get UCP ready. We measured who actually is. Data from 4,491 merchants on capability adoption, platform gaps, and what agents really do at checkout.
· 11 min read
MCP vs UCP vs AP2: What is the Difference?
Stop picking between them. MCP, UCP, and AP2 are stack layers, not competitors. A practitioner breakdown with real adoption data from 3,643+ UCP-verified stores.
· 11 min read
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 we built the thing people were already trying to do in two browser tabs.
· 7 min read
UCP v2026-04-08 Spec Update
The UCP Technical Council shipped v2026-04-08 — the largest single release in the protocol's history. Carts, catalog search, cryptographic signing, and a fundamental shift in how business profiles are validated. Here's what changed and what to do about it.
· 7 min read
We Tested 5 AI Models on Expiring Travel Inventory — Here's How They Failed
We built a mock travel server with expiring offers and tested Claude, GPT, Gemini, and Grok against it. No model checks TTLs before booking. Only one survived a 3-second expiry window. None flagged price changes unless asked. Here's the full data from 21 production sessions.
· 11 min read
The Developer's Guide to UCP Tools in 2026
Every UCP tool compared — validators, monitors, agent testing environments, and the full developer toolchain. A fair guide covering UCPtools.dev, Nextwaves, Google, ucpvalidator.app, UCPChecker, and more.
· 8 min read
3,000 UCP Stores, Open Data: Why We're Publishing Our Dataset on Hugging Face
We've been crawling UCP manifests since January. This week we crossed 3,000 verified merchants — and it's time to share the data. Monthly snapshots, CC-BY 4.0, free to use.
· 5 min read
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.
· 5 min read