Best fit
- Use when asked to "review my UI", "check accessibility", "audit design", "review UX", or "check my site against best practices".
vercel-labs/agent-skills
Review UI code for Web Interface Guidelines compliance. Use when asked to "review my UI", "check accessibility", "audit design", "review UX", or "check my site against best practices".
npx skills add https://github.com/vercel-labs/agent-skills --skill "skills/web-design-guidelines"Source checked Jul 28, 2026·Refresh due Oct 26, 2026
Limited to facts supported by the pinned source
Review files for compliance with Web Interface Guidelines.
npx skills add https://github.com/vercel-labs/agent-skills --skill "skills/web-design-guidelines"The pinned source contains about 140 English words and 3 usable sections. That evidence supports a source profile, not a complete guide.
140 source words · 3 usable sections
Best fit
What the source actually contains
Sections are extracted automatically from the pinned SKILL.md and link back to the source.
When a user provides a file or pattern argument: 1. Fetch guidelines from the source URL above 2. Read the specified files 3. Apply all rules from the fetched guidelines 4. Output findings using the format specified in the guidelines
1. Fetch the latest guidelines from the source URL below 2. Read the specified files (or prompt user for files/pattern) 3. Check against all rules in the fetched guidelines 4. Output findings in the terse file:line format
Fetch fresh guidelines before each review:
Static permission evidence
These are source excerpts matched by deterministic rules, not findings of malicious behavior, safety, or actual execution.
SKILL.md · L17
https://raw.githubusercontent.com/vercel-labs/web-interface-guidelines/main/command.mdThe documentation includes network, browsing, or remote request actions.
SKILL.md · L25
Fetch guidelines from the source URL aboveThe documentation includes network, browsing, or remote request actions.
Choose a different workflow
Review UI code for Web Interface Guidelines compliance by the Vercel engineering team. Covers layout, typography, color, motion, and accessibility for product UI.
A separate implementation from nexu-io/open-design; compare its source, maintenance signals, and permission requirements.
Open source detailWhen the user wants to plan, design, or implement an A/B test or experiment, or build a growth experimentation program. Also use when the user mentions "A/B test," "split test," "experiment," "test this change," "variant copy," "multivariate test," "hypothesis," "should I test this," "which version is better," "test two versions," "statistical significance," "how long should I run this test," "growth experiments," "experiment velocity," "experiment backlog," "ICE score," "experimentation program
A separate implementation from coreyhaines31/marketingskills; compare its source, maintenance signals, and permission requirements.
Open source detailGrounded design brief from the adopted corpus — style, WCAG-checked color tokens, typography, layout pattern, anti-patterns. Use on ui-design-brief or any which-style/palette/font/chart decision.
A separate implementation from event4u-app/agent-config; compare its source, maintenance signals, and permission requirements.
Open source detailFAQ
The source record exposes this install command: npx skills add https://github.com/vercel-labs/agent-skills --skill "skills/web-design-guidelines". Inspect the command and pinned source before running it.
Static rules flagged network in the source; the page lists the matching lines and excerpts.
Quality breakdown
Based on traceable docs and repository signals; stars are not treated as quality.
Compare before choosing
These links are selected from shared tasks, functions, stacks, platforms, and same-name variants. Compare the source owner, documentation, permissions, and maintenance signals.
Review UI code for Web Interface Guidelines compliance by the Vercel engineering team. Covers layout, typography, color, motion, and accessibility for product UI.
When the user wants to plan, design, or implement an A/B test or experiment, or build a growth experimentation program. Also use when the user mentions "A/B test," "split test," "experiment," "test this change," "variant copy," "multivariate test," "hypothesis," "should I test this," "which version is better," "test two versions," "statistical significance," "how long should I run this test," "growth experiments," "experiment velocity," "experiment backlog," "ICE score," "experimentation program
Grounded design brief from the adopted corpus — style, WCAG-checked color tokens, typography, layout pattern, anti-patterns. Use on ui-design-brief or any which-style/palette/font/chart decision.
Use BEFORE writing or editing any non-trivial UI — inventories components, design tokens, shadcn primitives, and reusable patterns into state.ui_audit. Hard gate for the ui directive set.
This skill encodes Emil Kowalski's philosophy on UI polish, component design, animation decisions, and the invisible details that make software feel great.
Review files for compliance with Web Interface Guidelines.
file:line formatFetch fresh guidelines before each review:
https://raw.githubusercontent.com/vercel-labs/web-interface-guidelines/main/command.md
Use WebFetch to retrieve the latest rules. The fetched content contains all the rules and output format instructions.
When a user provides a file or pattern argument:
If no files specified, ask the user which files to review.