Last year, "AI shopping assistant" meant a chatbot that suggested products you could then go buy yourself. Now it means an agent that spends your money.
That shift, from recommendation to execution, is what the industry is calling agentic commerce. Instead of returning search results, an AI agent compares options across retailers, applies your loyalty points, checks your past preferences, and completes the purchase. ChatGPT's Instant Checkout has been live since September 2025 and serves 900 million weekly users. Google launched its Universal Commerce Protocol in January 2026 with Walmart, Target, Shopify, and over 20 other partners.
The money on the table is enormous. McKinsey projects $900 billion to $1 trillion in US retail revenue from agentic commerce by 2030, with $3 to $5 trillion globally. Morgan Stanley estimates nearly half of online shoppers will use AI shopping agents by 2030, accounting for roughly 25% of their spending.
The Infrastructure Taking Shape
Google and Shopify's Universal Commerce Protocol, unveiled at NRF 2026, is an open standard that lets AI agents connect to any merchant's catalog, handle checkout, and manage post-purchase support. Think of it as a universal API for shopping. Visa has completed secure AI transaction pilots, working through the payment plumbing that autonomous purchases require.
These protocols solve the mechanical problem: how does an agent actually buy something on your behalf? But the harder questions are about trust and liability.
The Unsolved Problems
What counts as consumer consent when a human isn't present at checkout? Who's liable when an agent misinterprets "find something similar" and buys the wrong product? What are the data-sharing rules between you, the agent, the merchant, and the payment processor?
None of these have clear answers yet. And for the people who actually use AI tools daily, the practical concern is simpler: do you trust an AI agent to spend your money well? The technology to do it exists. The confidence to let it probably doesn't, at least not for anything beyond low-stakes reorders and routine purchases.
Agentic commerce will grow, but the "agent books your family vacation to Italy" scenario from the pitch decks is years away from being something most people would actually do. The near-term reality is more like "agent reorders your coffee pods when you're running low." That's useful. It's just not the revolution being sold.