Module 4 · Building AI Agents: Harness Engineering
Multi-Agent Systems: lessons
Orchestrators and workers, subagents and context isolation — when splitting the work helps, and when it hurts.
3 lessons · 42 min
What this module teaches, what it asks of you first and how you practise it are on its syllabus page.
Open the syllabusThe Orchestrator-Worker Pattern
16 minOne agent splits the task; others work on the parts in parallel.
Included with the track Simulation insideSubagents and Context Isolation
14 minGiving each subagent a clean context and returning only its conclusion.
Included with the track Simulation insideWhen Multi-Agent Hurts
12 minToken cost, information lost between agents, and failures that are hard to trace.
Included with the track Simulation inside