Google’s Universal Commerce Protocol (UCP) is the most significant shift in how businesses get discovered online since Google Shopping. UCP is part of the broader shift toward AI-powered discovery. See our complete guide to AI visibility for the full picture.
What Is UCP?
UCP is a protocol co-developed by Google with Shopify, Etsy, Wayfair, and Target. It allows AI agents — inside Google Search and Gemini — to browse products, compare options, and complete purchases on behalf of users.
What Changed in March 2026
The latest update expanded UCP beyond retail into services. That means restaurants, consultants, clinics, and local businesses are now part of the agent commerce ecosystem.
How to Prepare
Your business needs structured data that agents can parse. This means llms.txt files, entity maps, and AI-ready content blocks that describe your services in machine-readable format.