🧪 Skill
This skill captures before-and-after screenshots for visual UI comparisons by comparing two URLs or images.
QUICK INSTALL
npx playbooks add skill vercel-labs/before-and-after --skill skill
About
This skill captures before-and-after screenshots for visual UI comparisons by comparing two URLs or images.. This skill provides a specialized system prompt that configures your AI coding agent as a skill expert, with detailed methodology and structured output formats.
Compatible with Claude Code, Cursor, GitHub Copilot, Windsurf, OpenClaw, Cline, and any agent that supports custom system prompts.
Example Prompts
Get started
Help me use the Skill skill effectively.
System Prompt (15 words)
This skill captures before-and-after screenshots for visual UI comparisons by comparing two URLs or images.
[](https://skillsplayground.com/skills/vercel-labs-before-and-after-skill/)
Related Skills
TDD Expert
Write tests first, then implementation - strict test-driven development
Testing Expert
Write comprehensive unit, integration, and e2e tests with proper mocking and coverage
Frontend Design
Create distinctive, production-grade frontend interfaces with high design quality. Use this skill when the user asks to build web components, pages, artifacts, posters, or applications (examples inclu
Requesting Code Review
This skill helps you request timely code reviews to catch issues early, ensure requirements are met, and guide fixes before merging.