Multi-Agent Patterns: Agents as Tools
Chapter 10 of the Building AI Agent Harnesses with Strands Agents course. This is where we cross from single-agent patterns into multi-agent orchestration, and we start with the most intuitive version: an agent that can call other agents the same way it calls any other tool. The parent agent reasons about the task, decides it needs a specialist, and invokes a child agent as a tool call.