skills.by true||false

Library How to run

A product of true||false

Every item lists its source, license and what we changed.

skilluiVercellink only

web-design-guidelines

Reviews UI code against Vercel's Web Interface Guidelines for UX and accessibility.

Get from source source

looks for

review my UI
check accessibility
audit design against best practices

This one isn't copied here because its license is unclear. Read it at the source.

audit trail

source: vercel-labs/agent-skills
author: Vercel
license: none declared
pinned: 1a2c79d4e6c4
imported: 2026-11-13
verified: 2026-11-13
changes: None; unmodified upstream files.
privacy scan: pass
scripts: none
in the zip: link only
notes: No license in repo or skill; link only.

works with

Claude, Codex, ChatGPT

more in ui

skilltrueorfalse
accessibility
Checks and fixes semantics, keyboard, focus, contrast, labels and motion against WCAG 2.2 AA.
- div or span used as a button
- custom controls (switch, tabs, menu, dialog, combobox)
- icon-only buttons
Claude · Codex · ChatGPT
skilltrueorfalse
design-system
Gives implementers a working checklist so every screen uses primitives and tokens instead of one-off styles.
- raw hex colours, px spacing or font sizes in a component
- a new UI library or icon set being added
- a component duplicated across two screens
Claude · Codex · ChatGPT
skilltrueorfalse
motion
Sets the rules for presets, wrappers, reduced motion and performance so animation is consistent and 60 fps.
- library animation calls scattered through pages
- animating width, height, top, left or box-shadow
- no prefers-reduced-motion handling
Claude · Codex · ChatGPT