AI Agents explained: a practical look at testing

nina_tjq

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Sep 5, 2026
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A practical understanding of AI Agents starts with knowing what the system does well, where it is unreliable, and how to validate the result.

One important area is testing. Define what a good result looks like before changing tools or settings, then test one variable at a time so you can tell what actually improved the outcome.

Another area is quality versus speed. Keep examples of both strong and weak outputs, check important facts or generated code independently, and document settings that produce consistent results.

The main takeaway is that AI Agents becomes much more reliable when the workflow includes clear inputs, repeatable checks, and a way to learn from previous results.
 
For AI Agents explained: a practical look at testing, I would separate the problem into setup, output quality and repeatability. agents and practical fits into that because it can change the result quite a lot depending on the workflow. It also gives you a cleaner baseline if you want to compare tools or settings later.
 
The point about agents and practical is interesting. In practice I would keep the first test simple, record what worked, and only add extra complexity if it solves a specific limitation. If you share the exact setup, it would be easier to narrow down which part matters most.