Blog
Insights on Universal Commerce Protocol — guides, product updates, and industry analysis.
Why We Built the UCP Registry
The UCP ecosystem needed infrastructure: a directory, benchmarks, an API, and monitoring. Here's why we built the Registry and what we've learned.
Building an AI Shopping Agent with UCP
A practical tutorial on building an AI shopping agent that uses UCP and the Registry API to discover products, compare options across stores, and complete purchases via MCP.
UCP vs ACP: Comparing Agentic Commerce Protocols
A balanced comparison of the Universal Commerce Protocol (UCP) and Amazon's Agent Commerce Protocol (ACP) — design philosophy, technical approach, ecosystem, and which to choose.
State of the UCP Ecosystem — March 2026
3,000+ merchants, 12 platforms, growing checkout adoption, and improving benchmark scores. Here's where the UCP ecosystem stands right now.
The Future of Agentic Commerce: UCP, A2A, and MCP
UCP, MCP, and A2A form the protocol stack for AI-driven commerce. Here's how they work together and where it's all heading.
5 Things You Can Build with UCP Today
From AI shopping assistants to price monitors to compliance dashboards — here are five real projects you can build on UCP right now.
How AI Agents Discover Merchants Through UCP
From well-known manifests to the Registry API, here's how AI shopping agents find, evaluate, and connect to UCP-enabled merchants.
How to Add Your Business to the UCP Ecosystem
A step-by-step guide to getting your business listed in the UCP ecosystem — from choosing an implementation path to optimizing your endpoint.
UCP Payment Handlers: A Complete Overview
From Stripe to Visa, here's how major payment handlers integrate with UCP to enable AI agent-initiated transactions — and what it means for merchants and developers.
UCP for Shopify Merchants: Setup Guide
Shopify merchants can enable UCP in minutes. Here's how — from native platform support to manual implementation, plus optimization tips.
Why UCP Matters for E-Commerce in 2026
AI agents are becoming the primary shopping interface. UCP is the protocol that connects them to merchants. Here's why it matters for everyone in the ecosystem.
How to Implement a UCP Endpoint on Your Store
A step-by-step developer guide to implementing a UCP endpoint on your store. Covers the manifest, MCP tools, product search, checkout flows, payment handlers, and getting verified on the UCP Registry.