An Agent is 3 Layers: Business Logic, Harness, and Infrastructure
blaizedsouza · x · 2026-08-22
This post shares a framework for decomposing AI agents into three layers:
- Business Logic: The code and logic you write.
- Harness: The control loop that runs the agent.
- Infrastructure: The underlying systems required to survive production.
It links to a video by Harrison Chase breaking down this entire stack.
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