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You're probably using Agent Skills wrong

notes.ansonbiggs.com

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Re: You're probably using Agent Skills wrong

#22
post #14

I read this post thinking "Finally! Finally someone will explain to me what I've been missing because 'skills' just seem to be re-usable text that help make prompting faster." Nope. Still the same.

Agree on article frustrations. Perhaps a better explanation, skills are just disk-cached prompts conditioned on verified success. The conditioned on verified success part might seem inconsequential, but it’s the whole thing that gives skills their value. Also the fact that their loading can be scoped to a certain calling context.

Can you elaborate on what "verified success" means?

Re: You're probably using Agent Skills wrong

#23
post #14

I read this post thinking "Finally! Finally someone will explain to me what I've been missing because 'skills' just seem to be re-usable text that help make prompting faster." Nope. Still the same.

Agree; posts like this frustrate me. Tldr: you're doing it wrong but I will not show you how to do it right. I also did not run the bench using my approach but it definitely “vibes better” to me, and I reject your actual research paper. Come on, show us some actual skills . That one you use all the time looks a hell of a lot like “I wont a deterministic shell script for something a skill saying ‘run the shell script’…

[flagged]

Re: You're probably using Agent Skills wrong

#25
It always feels a bit vexing when people complain about skills: Personally, we treat them as if manuals where the goal is to patch knowledge, not (typically) be a from-scratch primer.

Letting an instruction following llm deep research and iterate has given fantastic results before.

Being able to construct non-trivial Zig 0.16 programs without slowing down for version-hallucinating compilation errors is nice as a random example.

Re: You're probably using Agent Skills wrong

#28
post #8

I've been able to avoid this kind of markdown library architecture with very chatty tool feedback. Interaction with a responsive environment is much better than static chunks of "skill" text. For example, imagine a domain constraint: "You must use tool ABC before calling tool XYZ" This can either be in some static prompt scheme somewhere, or it can be the live result of a tool call. If you make everything tool callin…

A good agent and harness should notice that an instruction like "You must use tool ABC before calling tool XYZ" is best implemented as a pretooluse hook

Re: You're probably using Agent Skills wrong

#30
post #14

I read this post thinking "Finally! Finally someone will explain to me what I've been missing because 'skills' just seem to be re-usable text that help make prompting faster." Nope. Still the same.

yeah, thats what they are, but thats useful! you have an agents.md, that gets put into every conversation. But studies and experience both show that as that gets longer, the agent becomes less capable. so instead of telling it everything useful under the sun, you put only really important things there, and the rest of the advice for common but not every time actions you put into skills. I personally have like, 5 skills. one that works with the database, and has a bunch of context about the schema, how to connect and work with documents, example queries written just how I like them (and pre-written with filters to reduce the risk of ai ingesting a million rows worth on tokens for no reason), a python script I wrote to do certain common operations and how to use it for different tasks.

So in essence, the ideal skill imo is pretty much a list of shell commands with a sentence next to each of when to use them

With these, I personally have skills for:

- dealing with our metrics and tracing platform

- dealing with jira

- dealing with confluence (mostly finding info I need via different search strategies without using too many tokens)

- dealing with database

- doing reviews (this one is more prompting about what info I need to review well myself, rather than commands, though it does instruct the agent to download the branch into a new worktree and clean it up after its done with specific commands)

Im generally suspicious of people with hundreds of skills, especially those I open and find ai generated writing inside. skills should be a list of commands, maybe with some pitfalls for the agent to avoid, added only by human experience (agents are terrible at prompting)

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