[wild_egg]

They're completely orthogonal features.

Skills are just reusable prompts in a convenient package.

Subagents get their own pristine context window to go off and perform some task. They can also run skills and do lots of context-heavy work and report back some small sliver of it to the main agent as a report.

[int_19h]

Skills are more than just reusable prompts, since they can be packaged alongside with runnable Python or Node scripts that the model can use to achieve what it needs.

[wild_egg]

Not just Python and Node. Package anything you want with them, that's what makes them convenient.

[scastillo]

It seems to me that skills are the same as projects on the web interface, but with executable files