What AI engineering skill do you wish you had a structured way to practice ?

The skills that actually matter at work — debugging a RAG pipeline that retrieves correctly but still hallucinates, designing an agent that doesn't loop forever, writing evals that actually catch regressions — there's no structured place to get good at them.

So I'll ask again — what's the one AI engineering skill you wish you could just practice?

Drop it below 👇 I'm turning the top answers into challenges on the platform this week.