You have read about ReAct, Plan-and-Execute, multi-agent orchestration, routing, reflection, and a dozen other agent design patterns. Every framework tutorial presents its pattern as the obvious choice. Every architecture blog makes the selected approach look inevitable. And you still do not know which pattern to use for the system you need to build next week. … Read more

Harness engineering builds infrastructure that makes AI agents reliable. Learn the five core components, architecture patterns, and real-world results.