A practical guide to agent harness, loop, and graph engineering
andismit · x · 2026-07-26
A practical guide to three agent architecture layers
The post forwards an article that separates three ideas people often mix together: agent harness engineering, loop engineering, and graph engineering.
The core value is a practical framing for building reliable AI agent systems:
- each layer sits around the same model but solves a different engineering problem
- the three approaches affect reliability in different ways
- the guide helps teams decide which layer they are actually working on instead of treating them as one thing
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