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skill CX Codex GP ChatGPT official · OpenAI

design-qa — Codex skill: compare design and code before handoff

A skill for side-by-side design and implementation comparison before handoff. Works with Figma, screenshots, and URLs; catches visual gaps in layout, typography, and interaction states.

Install into Codex · Skills CLI (Vercel) All methods and platforms ↓ 
npx skills add openai/plugins --skill design-qa -a codex
Open on GitHub

What design-qa does

design-qa is an internal prototype QA helper. Give it a design (Figma node, image, or screenshot) and a rendered implementation (local URL, deployed site, or screenshot), and it compares them like a product reviewer — hunting for misalignments in layout, spacing, color, type, and interactive states.

Use it for Product Design prototypes, URL-to-code, and image-to-code builds. It is not for broad UX critique, design audits, or flow reviews; use the audit skill for those. The skill compares on the same viewport and state: if the source is mobile and the implementation is desktop, it flags the mismatch first, then lists prioritized fixes. If a design file cannot be opened or an implementation screenshot cannot be captured, the skill blocks handoff with a reason.

The cycle can run multiple times: after the first comparison, if P0/P1/P2 issues exist, you fix them, then the skill re-checks. Iterate until no blocking visual gaps remain.

What it helps with

  • Capture and normalize design and implementation screenshots for fair comparison
  • Spot visual gaps in layout, spacing, type, and color
  • Prioritize fixes before handing off to development
  • Re-verify results after fixes are applied

Example prompts for the agent

  • Compare the Figma node to the local URL and list P0 issues
  • Give me a Playwright script to capture a mobile screen without scaling
  • Check whether the implementation screenshot and source design are the same size before comparison

How to install design-qa

1Skills CLI (Vercel)

npx skills add openai/plugins --skill design-qa -a codex

2Manually: put the files in place

.agents/skills/design-qa/SKILL.md

For all projects use ~/.agents/skills/

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Questions about design-qa

How do I install design-qa in Codex?

Run npx skills add openai/plugins --skill design-qa or npx skills add openai/plugins --skill design-qa -a codex. The skill opens in .agents/skills/design-qa/SKILL.md.

What does design-qa do?

It compares a design from Figma, an image, or a screenshot against a live site or app implementation, finds visual gaps, and produces a prioritized fix list before handoff.

When should I not use design-qa?

Skip it for broad UX critique, design audits, flow reviews, or general design feedback — use the audit skill instead. design-qa only works when you have both a source design and a finished implementation.

See also

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