Google gives AI shopping agents cart, catalog, and loyalty features

2026-03-20 · Source: The Decoder · Field: Technology & Digital — Artificial Intelligence & Machine Learning, E-commerce & Digital Commerce · Depth: Fundamental Awareness, quick

Summary

Google has enhanced its Universal Commerce Protocol (UCP) by adding shopping cart, catalog, and identity features, aiming to streamline online purchasing for AI agents. The new shopping cart functionality enables AI agents to add multiple items to a retailer's cart simultaneously. A catalog feature provides agents with real-time product data, including prices, variants, and availability, directly from the retailer. Furthermore, an identity link ensures that logged-in shoppers using UCP platforms retain their loyalty and membership benefits, mirroring direct retailer purchases. Google intends to integrate UCP into AI Mode in Search and the Gemini app, with future plans for easier Merchant Center connectivity for smaller merchants. Key partners such as Commerce Inc, Salesforce, and Stripe are set to support UCP on their platforms, building on its earlier introduction as an open standard with major retailers and payment providers.

Key takeaway

For e-commerce platform strategists and AI product managers, Google's UCP enhancements signal a move towards standardized, AI-driven shopping experiences. Your teams should evaluate UCP integration to enable more sophisticated AI agent interactions, potentially reducing friction in the customer journey and preserving loyalty program value. Consider how these features could automate purchasing flows and enhance personalized shopping recommendations within your AI applications.

Key insights

Google's UCP expansion integrates core e-commerce functions for AI agents, standardizing AI-powered shopping experiences.

Principles

• Standardize AI agent commerce interactions
• Ensure real-time product data access
• Preserve customer loyalty benefits

Method

UCP facilitates AI agent shopping by providing direct access to retailer catalogs, enabling multi-item cart additions, and linking customer identity for loyalty benefits.

In practice

• Integrate UCP for AI-driven product discovery
• Leverage UCP for automated cart management
• Connect loyalty programs via UCP identity links

Topics

• Universal Commerce Protocol
• AI Shopping Agents
• E-commerce Integration
• Real-time Product Data
• Customer Loyalty Programs

Best for: CTO, VP of Engineering/Data, Director of AI/ML, AI Product Manager, AI Engineer, Product Manager

Related on AIssential

• How we’re helping retailers thrive with new Universal Commerce Protocol features and AI tools on Google — Google is integrating UCP and AI across its platforms to streamline shopping and empower retailers in the agentic commerce era.
• Universal-Commerce-Protocol / ucp — UCP standardizes commerce interactions, enabling seamless interoperability and agentic commerce through a composable, open protocol.
• Google’s new Universal Cart wants to follow you across the entire internet — Google is transforming AI assistants into active commerce agents, centralizing shopping and enabling autonomous, secure payments.
• What we lose when artificial intelligence does our shopping — Automated AI shopping agents offer efficiency but risk eroding consumer autonomy, psychological benefits, and social aspects of shopping.
• Amazon brings AI shopping assistant to retailers with Kate Spade — Amazon now offers its AI shopping assistant, built on AWS, to other retailers for custom website integration.
• CommerceClarity acquires Katalogo.ai — Combining complementary AI solutions accelerates e-commerce catalogue management and personalized shopping experiences.

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Editorial summary, takeaway, and curation by AIssential. Original article published by The Decoder.