Two design skills · both proven

canvas-design vs ui-ux-pro-max

Both skills were run through Claude twice: once on a fixed brief without the skill, once with it. The briefs differ because each is written for the job the skill claims to do, so compare each skill against its own baseline, then decide which difference matters for your work.

canvas-design

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.

Category: Design
Source: anthropics/skills · 181,998 stars
License: Not stated
Proof model: claude-sonnet-5-5
Brief: “Build a poster-style hero page for a jazz night at a small club, with the lineup and ticket link.”
Skill commit: dbd4588

ui-ux-pro-max

UI/UX design intelligence for web, mobile, and desktop. This skill should be used when designing, building, reviewing, or fixing interfaces, including pages, components, design systems, accessibility, interaction, responsive layout, typography, color, charts, and stack-specific UI implementation. Searchable local data: 79 searchable styles (50 active), 192 product palettes and reasoning profiles…

Category: Design
Source: nextlevelbuilder/ui-ux-pro-max-skill · 137,240 stars
License: MIT
Proof model: claude-sonnet-5-5
Brief: “Build a dashboard home screen for a personal finance app showing balance, recent transactions, and a monthly spending chart.”
Skill commit: 56ea9cf

We don’t pick a winner for you: the pages are the evidence. Both proofs can be repeated with the brief, model and commit shown above. See alternatives to canvas-design or alternatives to ui-ux-pro-max.