JOINCLASS

Generate Cover — Testing skill for Claude Code

Testing community

Generate book cover images using HTML+CSS and Playwright screenshots.

How to install Generate Cover

Installs to ~/.claude/skills/joinclass-ai-ceo-framework-generate-cover/SKILL.md

Terminal
mkdir -p ~/.claude/skills/joinclass-ai-ceo-framework-generate-cover && curl -fsSL https://raw.githubusercontent.com/JOINCLASS/ai-ceo-framework/HEAD/skills/generate-cover.md -o ~/.claude/skills/joinclass-ai-ceo-framework-generate-cover/SKILL.md

Restart Claude Code, or start a new session, for it to be picked up.

What Generate Cover does


name: generate-cover description: Generate book cover images using HTML+CSS and Playwright screenshots. No external design tools needed. Usage: /generate-cover "book title" user_invocable: true

/generate-cover -- Book Cover Image Generation Skill

Design covers with HTML+CSS and render via Playwright screenshot. Fully code-based, no external tools.

Specifications

  • Size: 1600x2560px (standard ebook ratio 1:1.6)
  • Format: JPG (cover.jpg)
  • Output: `{book-slug}/cover.jp

Alternatives in Testing

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  • Design QA — Visual QA on an HTML/CSS implementation — checks responsive behavior at mobile/tablet/desktop, design token co 309 ★

Full documentation available on GitHub

View Source Repository