Skip to content

Building Claude Skills: a hundred pages, one idea, and that is fine

Pietro Montaldo · Packt Publishing, 2026
15 de noviembre de 2025 por
Building Claude Skills: a hundred pages, one idea, and that is fine
Andrés Briñez

It is a little over a hundred pages on how to package a task you repeat — a report format, a review, a naming convention — so that an assistant performs it the same way every time. It places the piece inside the wider ecosystem, shows several ways of creating one, and covers maintaining and sharing them.

What I took from it

The test for when it is worth doing. The rule I took away: if something has been done three times and came out differently all three, it is a candidate; if it happens once a year, writing it down costs more than it saves. It sounds obvious and it prevents automating for sport, which in this trade eats whole weeks.

The second: a reusable instruction is executable documentation, and that is why it maintains itself. Documentation nobody runs rots; documentation something depends on does not.

And a third, about design: each piece should do one thing and state when it applies. The ones that try to cover everything either never fire or fire where they should not, which is exactly the problem with internal procedures in any company.

What I left out

Nearly all the rest, and not through any fault of the author. It is a book about one specific feature of one specific tool at one specific moment: the names, the menus and the limits will change before the paper yellows. The author's own credentials also take up more room than they should in a technical book, with reach and background figures that add nothing to the instruction.

If someone asks whether to buy it, I say no: the idea lands in an article and the practice is learned by doing it. It stays on the list because it is what I read, not because I recommend it.

Building Applications with AI Agents: the UX chapter nobody else writes
Michael Albada · O'Reilly, early release
WhatsApp