Best Buy engineer dissects the Agentic Commerce stack
AI Engineer · youtube · 2026-08-27
Ahnaf Prio from Best Buy breaks down the challenges and solutions in Agentic Commerce. He explains why early screenshot-and-DOM based agents failed (slow, brittle, and triggering fraud alerts) and introduces the new stack:
- MCP: For tool access.
- A2A: Enabling communication between customer and merchant agents.
- ACP (OpenAI) & UCP (Google): Competing commerce primitives.
- AP2: A payment protocol carrying authorization, spend limits, and revocation URLs.
The talk features a live demo of "Jenny," a bakery agent running on Cerebras at 3,000 tokens/s, showcasing the full loop from product feed sync to checkout. Prio emphasizes using product feeds instead of catalog search and writing evals for behavior, compliance, and latency.
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