browser-compatibility

Configure Autoprefixer, core-js, and Browserslist for cross-browser web compatibility.

6|2|Updated Dec 19, 2025
One-click install
npx skills add https://github.com/xiaoniuge36/codegen-engine-mcp --skill browser-compatibility-xiaoniuge36
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: browser-compatibility
Source: https://github.com/xiaoniuge36/codegen-engine-mcp/tree/main/.cursor/skills/browser-compatibility
Command: npx skills add https://github.com/xiaoniuge36/codegen-engine-mcp --skill browser-compatibility-xiaoniuge36

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill requires autoprefixer, core-js, @babel/preset-env, and includes scripts (resource) and references (resource) components.

What problem does it solve?

This Skill helps developers ensure their web applications function correctly across different browsers and versions, preventing user frustration and maintaining a consistent user experience.

Core Features & Use Cases

  • Cross-Browser Compatibility: Identifies and provides solutions for CSS and JavaScript compatibility issues.
  • Polyfill & Prefixing: Guides on adding necessary polyfills and CSS vendor prefixes.
  • Feature Detection: Offers strategies for detecting browser capabilities at runtime.
  • Use Case: When a new CSS feature works in Chrome but not in Safari, this Skill provides the correct autoprefixer configuration and fallback CSS to ensure it displays correctly everywhere.

Quick Start

Use the browser-compatibility skill to find solutions for making CSS Grid layouts compatible with older Firefox versions.

Frequently Asked Questions about browser-compatibility

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I automate CSS vendor prefixes for cross-browser compatibility?

Automate CSS vendor prefixes by configuring Autoprefixer, which parses your CSS and adds necessary prefixes based on your Browserslist configuration. This ensures styles render correctly across different browsers without manually writing prefixes.

What is the best way to add polyfills for JavaScript browser compatibility?

The best way to add polyfills is using core-js with @babel/preset-env, which automatically detects missing features based on your Browserslist configuration. This setup injects necessary runtime polyfills to ensure JavaScript works consistently across older browsers.

How does Browserslist configuration affect browser compatibility targeting?

Browserslist configuration determines browser compatibility targeting by specifying which browsers and versions your app must support. This configuration directly guides Autoprefixer for CSS prefixing and Babel for JavaScript transpilation, ensuring consistent cross-browser compatibility.

Can I use Autoprefixer and core-js to fix CSS Grid layout issues in older Firefox?

Yes, you can fix CSS Grid layout issues in older Firefox by using Autoprefixer to add necessary vendor prefixes and fallback CSS. Configuring Browserslist to include older Firefox versions ensures Autoprefixer outputs the correct compatible styles.

When do I need feature detection strategies for web application compatibility?

You need feature detection strategies for web application compatibility when runtime browser capabilities vary, such as when a CSS feature works in Chrome but not Safari. This approach detects browser support before execution, ensuring consistent user experiences across different environments.

Why does my CSS feature work in Chrome but not in Safari?

Your CSS feature works in Chrome but not in Safari due to browser inconsistencies in supporting modern CSS features. This Skill provides the correct Autoprefixer configuration and fallback CSS to ensure the feature displays correctly across all targeted browsers.