What the Claude Agent SDK Is and Why Engineers Build Their Own Harnesses
Udacity Blog
EDITOR BRIEF
The excerpt says that every way you use Claude runs through a harness, which is the software layer around the model. The author says they have spent years building production cloud systems and agentic AI systems on top of them. The rest of the article appears to explore why engineers choose to build their own harnesses.
INSIGHTS
For learners, this highlights that an AI model is only part of a working product; the surrounding app logic matters too. A useful next step is to build a small wrapper around a model call and add simple tools, memory, or guardrails.
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