Inside UCP: How Merchants and Buyer Agents Complete Agentic Shopping

Posts break down both sides of OpenAI's UCP agentic commerce protocol: merchants onboard by writing agent instructions and attaching a product feed, while buyer agents search catalogs, read merchant profiles, and build a $190 cart before handing it back to the shopper.

2026-11-16 ~ 2026-11-16 · 2 related posts

• OpenAI's merchant-side agent: write instructions, attach a product feed, publish — schwentker · 2026-11-16
• How the UCP flow works: catalog search, /.well-known/ucp profile, MCP cart, buyer handoff — schwentker · 2026-11-16