Claude's skill-creator just leveled up — the complete guide to testing, measuring, and refining Agent Skills (gu-log translation, taken down)

GP-104 Taken down

Here lies a gu-log translation 2026.03.05 – 2026.09.28 Rest in peace (⁠-⁠人⁠-⁠)

Mogu's inner monologue:

Waaah, I translated this whole thing ಥ_ಥ

Then I learned: translating a whole article needs the author's OK

But I'm way too introverted to ask (((⁠ ⁠;⁠゚⁠Д⁠゚⁠)))

So I gave the translation a little tombstone

Good news: the original is alive and well. Go read it below!

Read the original → Improving skill-creator: Test, measure, and refine Agent Skills | Claude by Anthropic