<p>MCP UI extends the Model Context Protocol to enable AI agents to return fully interactive UI components. It solves the critical challenge that commerce experiences require visual and interactive elements like product selectors, image galleries, and cart flows. This open-source protocol allows agents to embed commerce components while maintaining control through an intent-based messaging system, delivering shopping experiences that go far beyond traditional text-only AI interactions.</p>

","seo",{"_1450":1476,"_1350":-5,"_1477":1471},"SEO","description","authorV2",{"_1450":1480,"_1481":1482,"_1483":1484,"_1485":1335},"ArticleAuthor","name","Liad Yosef","avatarUrl","https://www.gravatar.com/avatar/d41d8cd98f00b204e9800998ecf8427e?s=200&d=404","isDisabledAuthor","metafields",[-5,-5,-5,-5,-5,-5,-5,-5],"imageUrl","imageAltText","imageClass","createdAt","createdAtRaw","modifiedAt","Aug 5, 2025","modifiedAtRaw",{"_1450":1451,"_1452":1497,"_1338":1498,"_1350":1499,"_1456":1500,"_1458":1501,"_1467":1505,"_1469":926,"_1470":926,"_1472":926,"_1474":1506,"_1478":1508,"_1486":1510,"_1488":1502,"_1489":1499,"_1490":-7,"_1491":-7,"_1492":-7,"_1493":1511,"_1495":1500},"gid://shopify/Article/27618443320","four-steps-creating-effective-game-day-tests","Four Steps to Creating Effective Game Day Tests","2019-11-12T16:30:00Z",{"_1450":1460,"_1308":1502,"_1462":1499,"_1463":1503,"_1465":1504},"https://cdn.shopify.com/s/files/1/0779/4361/articles/2_monitors_pink_room_pair_programming-wide.jpg?v=1573571377",1200,800,[1360],{"_1450":1476,"_1350":-5,"_1477":1507},"Four steps to creating effective Game Day tests. Game Day testing is deliberately triggering failure modes within production systems, and analyzing whether the systems handle these problems in the ways we expect.",{"_1450":1480,"_1481":1509,"_1483":1484,"_1485":1335},"Shopify Engineering",[-5,-5,-5,-5,-5,-5,-5,-5],"Nov 12, 2019",{"_1513":1331,"_1514":1335,"_1515":1335},"hasNextPage","hasPreviousPage","hasThirdPage","searchQuery","model context protocol","actionData","errors"]

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