Tag: commerce
All the articles with the tag "commerce".
One Signed Quote, Four Protocols, No Price From the Model
Updated: at 10:00 AMI built a kit that lets an AI agent open an account at a Shopify store, negotiate a price and pay, over MCP, UCP, ACP and x402. Every surface serves the same merchant-signed quote, and the price comes from a deterministic merchant policy, never from a model. Here is what I learned implementing all four protocols against one quote, and an honest account of what has not yet touched a real service.