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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".
Autumn billing in Epicenter: `autumn.config.ts`, `autumn-js` credit checks, `atmn` CLI, plan gates, and metered AI usage. Use when changing billing, pricing, credits, plan access, refunds, or usage events.
Epicenter UI component selection and composition patterns for Svelte apps using packages/ui. Use when choosing or reviewing @epicenter/ui components, loading states, empty states, skeletons, spinners, command empty states, action pending UI, table/list no-row states, button tooltips, wrapper minimization, or replacing ad hoc UI such as Loading... text, custom loading dots, raw animate-pulse placeholders, or one-off centered status markup.
Visual design direction for new or redesigned frontend surfaces: layout, typography, color, motion, and anti-generic aesthetics. Use when designing pages, dashboards, posters, marketing surfaces, or exploratory UI variations.
CSS and Tailwind, cn(), flex layouts. Use for "style this", "fix the CSS", "add classes", "not scrolling", "overflow", Tailwind utilities.
Drizzle ORM patterns: schema definitions, Drizzle Kit migrations, query builders, type branding, custom types, SQLite, Postgres, D1, and Turso/libSQL boundaries. Use when mentioning Drizzle, drizzle-orm, DB schemas, migrations, branded column types, or typed SQL queries.
Encryption: HKDF, XChaCha20-Poly1305, blob formats, key hierarchy/rotation. Use for "encrypt this", "key management", crypto primitives, EncryptedBlob.
| name | web-design-guidelines |
| description | 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". |
| argument-hint | <file-or-pattern> |
| metadata | {"author":"vercel","version":"1.0.0"} |
Review files for compliance with Web Interface Guidelines.
Use this pattern when you need to:
file:line findings from a guidelines-driven review.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.