
Free Lesson
How to Engineer a Multi-Agent System
30 min
Sep 9, 2026 12:00 PM
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What you'll learn
See where the harness ends and the model begins
Learn which parts of a multi-agent system should be deterministic code and which to leave to the model's judgment.
Split one task into agents that cooperate
See how a forecasting task is decomposed into roles, and how the harness routes work between them.
Tell a demo apart from a system
Leave with a concrete rule for what an agent may do unattended and what still requires a person to approve.
Why this topic matters
A multi-agent system is mostly not prompts. It's the harness around the model: the code that splits a task into roles, routes work between agents, holds state, and checks results before they're trusted. That harness separates a demo that works once from a system that works every time. This lesson walks through the engineering behind a multi-agent forecasting system, built live in the workshop.





