Inside Shopify's Plan for Agentic Commerce and AI Shoppers | Andrew McNamara, VP of Applied ML, Shopify

In this episode, Andrew McNamara, VP of Applied ML at Shopify, returns to unpack how much has changed in agentic commerce since his last episode. Andrew and Liam dig into why agents are becoming "the new front door to commerce," why orders coming to Shopify stores from AI are up 13x, and what's actually happening inside Shopify's personalized shopping agent in the Shop app.

They also get into the Universal Commerce Protocol (UCP) and why AI commerce is growing 9x faster than social commerce did at the same stage, how Sidekick's architecture and app extensions work, and SimGym, Shopify's system for training AI shoppers to A/B test store changes before they ever reach a real customer.

Key Topics Covered

How shopping is shifting from stores and desktops toward agents as "the new front door to commerce"

Why orders coming to Shopify stores from AI are up 13x, and why catalog-powered AI search converts twice as well as general AI search

Inside Shop app's personalized shopping agent, and how it learns different shopping personas (like shopping for a pet versus a child)

Why customers are shifting from keyword searches to natural language queries, and the higher conversion rates that come with it

Why Shopify keeps shopping data personalized to the individual user rather than training it into a larger internal model

What the Universal Commerce Protocol (UCP) is, and why AI commerce is growing 9x faster than social commerce and 3x faster than mobile did at the same stage

The story of Shopify's CEO giving his own Hermes agent a budget so it can send him gifts in the mail

Sidekick's app extensions, and how partners like Klaviyo and Loop plugged in at launch

Campaign Autopilot's "auto research loop," and its parallels to reinforcement learning