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Do AI agent skills actually improve results? How I test them, including the ones that failed

This story is from 2026-10-27. It is preserved in the archive; the latest stories are on the live feed.

A skill file (a SKILL.md with instructions an agent loads on demand) can easily make an agent's answer look more thorough. Whether it makes the answer more correct is a separate question, and you cannot answer it by reading a few outputs. I publish ten skills, and before any of them goes out I want…

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  1. 2026-10-27 17:32 · DEV Community — AI
    Do AI agent skills actually improve results? How I test them, including the ones that failed

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