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heuristic

Score and critique UIs against Nielsen's 10 heuristics and six design laws.

Updated May 22, 2026
Search Tags:#usability#ui review#heuristic#nielsen heuristics#design laws#persona walkthrough
One-click install
npx skills add https://github.com/Nweremizu/ekklesia --skill heuristic
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: heuristic
Source: https://github.com/Nweremizu/ekklesia/tree/main/.junie/skills/heuristic
Command: npx skills add https://github.com/Nweremizu/ekklesia --skill heuristic

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This Skill turns a subjective UI review into a structured usability critique, helping teams identify what blocks users, what adds friction, and what needs only minor polish.

Core Features & Use Cases

  • Heuristic scoring: Evaluates an interface against Nielsen's 10 heuristics with concrete findings and impact-ranked issues.
  • Design law audit: Checks the UI against Fitts's, Hick's, Doherty's, Cleveland-McGill, Miller's, and Tesler's laws.
  • Persona walkthroughs: Optionally traces how a named persona would move through the experience to expose task-specific pain points.
  • Use case: Use this when you need a paste-ready scorecard for a product review, design critique, or frontend usability audit.

Quick Start

Ask the skill to critique the target UI and return the full heuristic scorecard with concrete findings and ranked issues.

Frequently Asked Questions about heuristic

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

FAQPage Schema
How do I run a heuristic evaluation on a UI prototype?▼

Run a usability audit by submitting your UI screens for analysis against Nielsen's 10 heuristics. The audit returns a machine-parseable scorecard with evidence-based findings and pass/fail judgments for design laws.

What is a persona walkthrough in usability testing?▼

A persona walkthrough in usability testing traces how a named persona navigates an interface to expose task-specific pain points. It complements heuristic scoring by highlighting friction specific to user goals.

Can I audit a front-end experience against design laws like Fitts's and Hick's?▼

Yes, you can audit front-end experiences against Fitts's, Hick's, Doherty's, Cleveland-McGill, Miller's, and Tesler's laws. The audit outputs pass or fail judgments for each applied design law.

How do I structure a UI review scorecard for a design critique?▼

Structure a UI review scorecard by requesting a structured usability critique based on concrete findings. The output provides a paste-ready format with impact-ranked issues to identify what blocks users.

What is the best way to turn subjective UI flaws into actionable scores?▼

Turn subjective UI flaws into actionable scores by applying a structured usability review against established heuristics and design laws. This process yields a machine-parseable scorecard with ranked impact analysis.

Does a usability audit work on existing product screens or only new prototypes?▼

A usability audit works on both existing product screens and new prototypes. It applies heuristic scoring and design law judgments to any front-end experience requiring a structured review.

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