lyra-ux-principles

Evaluate web and mobile interfaces using core UX psychology and UI principles.

1|Updated Mar 24, 2026
One-click install
npx skills add https://github.com/nikglavin/lyra --skill lyra-ux-principles
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: lyra-ux-principles
Source: https://github.com/nikglavin/lyra/tree/main/skills/lyra-ux-principles
Command: npx skills add https://github.com/nikglavin/lyra --skill lyra-ux-principles

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Evaluates digital interfaces and applies fundamental UX psychology and UI principles to reduce cognitive load, improve usability, and enhance user satisfaction.

Core Features & Use Cases

  • Evaluate & Critique: conduct comprehensive UX audits and identify violations of core UX laws and heuristics.
  • Refactor for Usability: restructure layouts using Gestalt grouping, emphasize primary paths, and improve visual hierarchy.
  • Progressive Simplification: simplify complex interfaces by progressive disclosure and hiding secondary actions to reduce cognitive load.

Quick Start

Review a current interface and apply core UX principles to improve usability.

Frequently Asked Questions about lyra-ux-principles

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

FAQPage Schema
How do I conduct a UX audit to identify usability issues in a web interface?

A UX audit evaluates digital interfaces against core usability principles like Fitts's Law and visual hierarchy to identify cognitive load issues and violations of UX heuristics. You can restructure layouts using Gestalt grouping to improve user satisfaction.

What's the best way to simplify a complex mobile interface without losing functionality?

Simplify complex interfaces by applying progressive disclosure and hiding secondary actions to reduce cognitive load. This usability approach streamlines the primary path while maintaining full feature access through deliberate visual hierarchy and grouping.

How do Gestalt principles improve visual hierarchy in UI design?

Gestalt principles improve visual hierarchy by grouping related elements to guide user focus along primary paths. Evaluating layouts against these UX psychology laws during a design critique reveals opportunities to restructure interfaces and reduce cognitive friction.

Can I use Fitts's Law to evaluate and refactor digital interfaces?

Fitts's Law evaluates digital interfaces by analyzing target sizes and distances to optimize usability. Refactoring layouts based on this UX principle ensures interactive elements are appropriately sized and placed, improving functional accessibility and user satisfaction.

When do I need to apply accessibility standards during a design review?

Apply accessibility standards during a design review whenever evaluating layouts for usability and cognitive load. Integrating accessibility with core UX psychology principles ensures digital interfaces satisfy functional requirements and enhance user satisfaction across web and mobile platforms.

Why does my interface feel cluttered and how do I reduce cognitive load?

Interfaces feel cluttered when visual hierarchy and Gestalt grouping fail to separate primary actions from secondary features. Reduce cognitive load by conducting a UX audit, applying progressive disclosure, and refactoring layouts to emphasize clear functional paths.