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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.

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Claude Code v2.1.182

/artifact-design — Built-in design skill for Artifacts

What

A new built-in skill that provides comprehensive design guidance for building distinctive, production-grade frontend pages published as claude.ai Artifacts.

Usage
/artifact-design
Details
  • Guides a two-pass design process: (1) brainstorm a compact token system — 4–6 named hex values, 2+ typeface roles, a layout concept with ASCII wireframes; (2) critique the plan against the subject before building, revise anything that reads as a generic default, then build from the revised plan exactly
  • Design principles: hero as a thesis, typography as personality, structure as information, deliberate motion (one orchestrated moment), copy as design material
  • Includes a palette-commit format (<palette_commit> block) to pin color decisions before writing CSS
  • References three common AI design defaults to avoid (warm cream + high-contrast serif + terracotta; dark + acid-green; broadsheet hairlines) when the user has not specified a visual direction
  • User-invocable on all surfaces that support skills
Evidence

New artifact-design skill definition — search for "artifact-design" or "Design guidance for Artifact pages — process, principles, palette, copy."

Strings lifted out of the shipped bundle, so the claim above can be checked against them.

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