Individual skill
explain-interface
Explains how a website, a visual effect or an animation was built, from a live URL or a screenshot.
skills/explain-interface/SKILL.md
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- Last checked
- Nov 11, 2026
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- License
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SKILL.mdcore · 8,495 bytesagents/openai.yamlasset · 160 bytesfind-the-effect.mddoc · 6,340 bytesfrom-an-image.mddoc · 3,532 bytesno-browser.mddoc · 3,534 bytesread-the-system.mddoc · 8,423 bytes
Read excerpt
# Explain interface
This skill answers how something on the web was built. `/explain-interface how the gradient on example.com was built` finds the layers producing that gradient and explains what each one contributes.
It explains rather than judges. There is no verdict, because how someone else built their interface is not a finding. Reviewing against a standard is `interface-review` and `better-interface`, and exploring alternatives for your own is `variant`. Name what you find in the vocabulary of the domain skill that owns it, such as `better-typography` for type or `better-colors` for palette.
## Scope to the question
| The question | What you produce | Method |
| --- | --- | --- |
| How was this **site** built? | The frontend: framework and rendering strategy, styling system, component library, tokens, the type, spacing and color systems, motion, breakpoints, how fonts and images are served | [read-the-system.md](read-the-system.md) |
| How was **this** built? | The layer stack behind one effect, in paint order, with the technique on each layer | [find-the-effect.md](find-the-effect.md) |
Given a named thing, scope to it. A type scale and a token dump are not a longer answer to "how is the gradient built". Pull in a neighbour only where the effect cannot be explained without it, and say why.