However, standards are what let the entire industry move together, so that any compliant buyer agent can transact with any compliant seller agent, the way any browser can load any website. We won’t cover the details of their SDK here but instead focus on what it takes to run buyer and seller agents on Databricks. Databricks Model Serving: the agent crewUnder the hood, the buyer agent is a “crew”, or group, of specialist agents built using CrewAI. This allows us to capture the reasoning steps, the tool calls, the prices read, and the book-or-pass decision of every agent run. A few minutes later you have two live seller agents, a registry, and a buyer console, all transacting in your own workspace.