Harness Engineering: Building the Production Cage for Powerful Domain Agents — Mike Chambers, AWS
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AI Engineer
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AI Engineer
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Terms in this piece · Glossary
agent harness — The scaffolding around a model that turns it into a working agent — the loop, the tools it can call, and the rules for when to stop.
AI agent — An AI system that doesn't just answer once but works toward a goal in a loop — taking actions, reading the results, and deciding what to do next.
Why it matters
A clear vocabulary and worked example for separating what an agent harnessThe scaffolding around a model that turns it into a working agent — the loop, the tools it can call, and the rules for when to stop.Full definition → needs (memory, tools, scaling, observability) from the model itself, useful when deciding what to build versus buy.
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