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omc-visual-verdict

Compare UI screenshots against reference images and generate a JSON visual QA verdict.

1|Updated Apr 26, 2026
Search Tags:#UI testing#image processing#screenshot comparison#QA automation#visual QA
One-click install
npx skills add https://github.com/huyhung9630/codex_plugin --skill omc-visual-verdict
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: omc-visual-verdict
Source: https://github.com/huyhung9630/codex_plugin/tree/main/plugins/oh-my-codex-workflows/skills/omc-visual-verdict
Command: npx skills add https://github.com/huyhung9630/codex_plugin --skill omc-visual-verdict

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes scripts (resource) components.

What problem does it solve?

This Skill automates the process of comparing UI screenshots against reference images, providing a structured QA verdict for visual consistency.

Core Features & Use Cases

  • Automated Visual QA: Compares generated UI screenshots against reference images to identify visual mismatches.
  • Structured Verdict: Generates a JSON-formatted verdict with details on mismatches, suggestions, and evidence.
  • Use Case: After a UI update, use this Skill to automatically verify that the new screenshots match the expected design, and receive actionable feedback for any discrepancies.

Quick Start

Use the omc-visual-verdict skill to compare the 'new-ui.png' screenshot against the 'reference-ui.png' reference image.

Frequently Asked Questions about omc-visual-verdict

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

FAQPage Schema
How do I automate visual regression testing for UI screenshots?▼

Automate visual regression testing by comparing new UI screenshots against reference images to generate a structured QA verdict with scoring and actionable feedback.

What is a structured visual QA verdict for UI screenshots?▼

A structured visual QA verdict is a JSON-formatted output detailing visual mismatches, suggestions, and evidence found when comparing a generated UI screenshot against a reference image.

Can I use screenshot comparison to verify UI updates against a design reference?▼

Yes, you can use screenshot comparison to verify UI updates by automatically checking new screenshots against expected reference designs and receiving feedback on any discrepancies.

Do I need image processing libraries to automate visual QA for software development?▼

Yes, automating visual QA requires image processing and comparison libraries to evaluate UI screenshots and generate the structured verdict for design review workflows.

What's the best way to generate actionable feedback for visual mismatches in UI testing?▼

The best way to generate actionable feedback for visual mismatches is to automate screenshot comparison against reference images, yielding a structured verdict with targeted suggestions and evidence.

Why does visual QA automation require reference images for screenshot comparison?▼

Visual QA automation requires reference images because they serve as the expected design baseline that new UI screenshots are compared against to identify any visual mismatches.

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