DisclaimerUnofficial, and not affiliated with Anthropic. Nearly all of this is read straight out of what ships: npm bundles, captured prompts, published docs. Anthropic's own notes go in verbatim, marked as theirs. The rest is my reading, and every entry carries the strings behind it. If one looks wrong, vote it down and say why.
Same title rule now repeated across artifact skills and the publish tool
You'll notice
Useful2Signal3
Artifacts
The same short-title rule now applies across artifact skills, PR review pages and publishing.
What's wrong with this entry?
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What
Four more places carry the same rule: name an artifact like a product, not a caption. The artifact-design skill gains a paragraph on it, the workshop skill applies it to the template's <title>, the PR-review template's title slot changes, and the publish tool's title parameter description repeats the instruction.
Evidence
Name the page like a product, not a caption.
Strings lifted out of the shipped bundle, so the claim above can be checked against them.