# Ask HN: Is there an emerging pattern for NEGATIVESKILLS.md files?

> Source: <https://news.ycombinator.com/item?id=49688861>
> Published: 2026-09-13 21:23:17+00:00

I am increasingly hitting cases where agents pick something from skills in part due to regex-based reading, since putting them all in context would be less efficient, leave out the negative, and do something exactly opposite of what is intended. Just like negative prompts for diffusion models, I feel like a negative-skills file listing explicit antipatterns and bad versions could enable harnesses with fewer graph nodes to perform better.

I might be missing some developments, but is there an accepted/shaping way to do this with recent models?

Comments URL: [https://news.ycombinator.com/item?id=49688861](https://news.ycombinator.com/item?id=49688861)

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