Canvas Design Skill - Posters & Visual Art with Claude

Source: Content adapted from anthropics/skills (MIT). Last synced July 8, 2026, against the April 20, 2026 upstream update.

Overview

The official description: "Create beautiful visual art in .png and .pdf documents using design philosophy. You should use this skill when the user asks to create a poster, piece of art, design, or other static piece. Create original visual designs, never copying existing artists' work to avoid copyright violations."

How the skill works

Like its sibling algorithmic-art, this skill makes Claude author a visual philosophy first: a named aesthetic stance with essential principles, before any pixels. The SKILL.md covers philosophy generation (with examples), deducing the "subtle reference" from the brief, the canvas creation process itself, a final review step, and a multi-page option for booklet-style outputs.

The skill ships its own font library - six licensed typefaces (Arsenal SC, Big Shoulders, Boldonse, Bricolage Grotesque, and more, each with OFL license files) - so typography never falls back to system defaults.

What's inside the skill folder

• canvas-fonts/ - bundled OFL-licensed fonts with license texts
• SKILL.md (~12 KB), LICENSE.txt

Key takeaways for your own skills

• Bundle your assets: shipping fonts inside the skill removes the single biggest source of visual sameness.
• The philosophy-first pattern (shared with algorithmic-art) is Anthropic's repeated answer to "how do you make AI output less generic" - worth stealing for any creative skill.

See it on GitHub

skills/canvas-design