ux-heuristics

Evaluate interface usability against Nielsen's 10 heuristics and Krug's principles.

Updated Jul 31, 2026

Search Tags:#design #accessibility #heuristics #audit #usability #ux

Ready to run

npx skills add https://github.com/fsolla/teqo --skill ux-heuristics-fsolla

💬 Prompt for ChatGPT / Claude Chat▼

Please help me install this Agent Skill.
Skill: ux-heuristics
Source: https://github.com/fsolla/teqo/tree/main/.agents/skills/ux-heuristics
Command: npx skills add https://github.com/fsolla/teqo --skill ux-heuristics-fsolla

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

This Skill addresses user confusion, high cognitive load, and poor navigation by applying established usability principles to identify and fix interface friction points.

Core Features & Use Cases

Heuristic Evaluation: Systematically audits interfaces against Nielsen’s 10 Usability Heuristics and Krug’s usability laws.
Severity Scoring: Provides a structured framework to prioritize fixes based on impact, from cosmetic tweaks to catastrophic task-blocking issues.
Use Case: Use this when users report difficulty completing a checkout flow or when you need to perform a pre-launch audit to ensure your navigation and error states are intuitive and accessible.

Quick Start

Perform a full heuristic evaluation on the current interface design and provide a prioritized list of severity 3 and 4 issues with recommended fixes.

Frequently Asked Questions about ux-heuristics

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

FAQPage Schema

How do I run a usability audit on my web interface before launch?▼

A heuristic evaluation systematically audits interfaces by applying Nielsen's 10 heuristics and Krug's usability principles to identify friction. It analyzes interface elements to detect cognitive load issues and generates severity-rated recommendations for improving navigation, error states, and accessibility.

How do I prioritize UX fixes when users report checkout flow friction?▼

Prioritize UX fixes by applying severity scoring to identified friction points, ranging from cosmetic tweaks to catastrophic task-blocking issues. This framework evaluates impact, allowing you to systematically address high-severity navigation and error handling problems first to improve flow completion.

Can I use heuristic evaluation to assess both web and mobile platform accessibility?▼

Yes, heuristic evaluation supports comprehensive accessibility audits across both web and mobile platforms. It systematically analyzes interface elements and error handling to identify cognitive load and friction points, ensuring navigation and accessibility standards are met regardless of the platform.

What is the best way to identify cognitive load and navigation issues in an interface?▼

The best way to identify cognitive load and navigation issues is through structured heuristic evaluation. By applying Nielsen's 10 heuristics and Krug's usability laws, the analysis systematically evaluates interface elements to pinpoint exact areas of user confusion and poor navigation flow.

Do I need design references to perform a usability audit?▼

Yes, structured analysis of interface design references is required to perform a usability audit. The evaluation requires concrete interface elements to assess against established heuristics, ensuring the resulting severity-rated improvement recommendations are accurate and actionable.