The agentic platform defines what needs to be provided. Team Topologies defines who provides it, and how teams interact to make it happen. In the first article of this series, we asked the what: which systemic capabilities (context, guardrails, tooling) are needed to produce reliable applications at scale. The answer was the agentic platform, and at its core, the agentic factory: the mechanism where agents plan, code, test, and ship. But a platform does not build itself, and more importantly, it is not consumed the same way it is built. A fundamental question remains: who does what?