Field note
Arpit Bhayani's skills post is useful because it treats skills as organizational infrastructure, not prompt decoration.
The underlying pattern is simple: teams repeatedly ask agents to perform the same classes of work, recover the same context, and respect the same constraints. A skill turns that repeated path into a reusable artifact with instructions, boundaries, and expected outputs.
That is where agent memory becomes operational. The next useful artifact is often not another chat transcript. It is a versioned skill that captures how the organization wants a recurring task done, where evidence comes from, and when the agent must escalate.