Mobile First Design Rules
Helps with mobile development, design as part of building frontend UIs and user experiences workflows.
Install on your platform
We auto-selected Claude Code based on this skill’s supported platforms.
Run in terminal (recommended)
claude mcp add mobile-first-design-rules npx -- -y @trustedskills/mobile-first-design-rules
Or manually add to ~/.claude/settings.json
{
"mcpServers": {
"mobile-first-design-rules": {
"command": "npx",
"args": [
"-y",
"@trustedskills/mobile-first-design-rules"
]
}
}
}Requires Claude Code (claude CLI). Run claude --version to verify your install.
About This Skill
What it does
This skill guides AI agents to apply mobile-first design principles, ensuring web interfaces are optimized for smaller screens before scaling up. It enforces responsive layouts and touch-friendly interactions to improve accessibility across all device sizes.
When to use it
- Building new websites or landing pages intended for broad public access on smartphones.
- Refactoring existing desktop-heavy codebases to ensure compatibility with mobile devices.
- Creating dashboards or data visualizations that must remain usable on narrow screen widths.
- Developing applications where touch gestures and thumb zones are critical for user experience.
Key capabilities
- Prioritizes content hierarchy for small viewports first.
- Enforces responsive grid systems and flexible typography.
- Validates touch target sizes against accessibility standards.
- Optimizes asset loading strategies for mobile bandwidth constraints.
Example prompts
- "Apply mobile-first design rules to this HTML structure to ensure it renders correctly on a 375px wide screen."
- "Audit this CSS stylesheet and refactor it to prioritize mobile layouts before desktop enhancements."
- "Generate a responsive navigation menu that collapses into a hamburger icon for mobile devices using mobile-first principles."
Tips & gotchas
Ensure your AI agent understands that mobile-first is a progressive enhancement strategy, not just a styling choice. Limitations may arise if the source code relies heavily on fixed-width containers or non-responsive media queries that contradict this approach.
Tags
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Security Audits
| Gen Agent Trust Hub | Pass |
| Socket | Pass |
| Snyk | Pass |
🌐 Community
Passed automated security scans.