UI Design System
try-works/role-model
React UI component systems with TailwindCSS + Radix + shadcn/ui.
Strict design and UX rules for React 19 + Next.js 16 (App Router) + Tailwind CSS 4.
Install Web Rules
$ npx skills add pproenca/dot-skills --skill web-rules -a claude-codeProject install by default; add -g for ~/.claude/skills/.
$ gh skill install pproenca/dot-skills web-rules --agent claude-codeProject scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).
$ git clone --depth 1 https://github.com/pproenca/dot-skills.git skills-src && mkdir -p .claude/skills && cp -r skills-src/skills/.experimental/web-rules .claude/skills/web-rules && rm -rf skills-srcUse ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.
Claude Code skills documentation · loads skills from .claude/skills/
Install the "web-rules" agent skill from https://github.com/pproenca/dot-skills/tree/master/skills/.experimental/web-rules into .claude/skills/web-rules/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "web-rules", then confirm the skill loads.Claude Code copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$skill-installer install https://github.com/pproenca/dot-skills/tree/master/skills/.experimental/web-rulesType this inside Codex. $skill-installer <name> installs a curated skill from openai/skills. The installer writes to $CODEX_HOME/skills (default ~/.codex/skills). Restart Codex if the skill does not show up.
$ npx skills add pproenca/dot-skills --skill web-rules -a codexProject install goes to .agents/skills/; add -g for ~/.codex/skills/.
$ gh skill install pproenca/dot-skills web-rules --agent codexProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/pproenca/dot-skills.git skills-src && mkdir -p .agents/skills && cp -r skills-src/skills/.experimental/web-rules .agents/skills/web-rules && rm -rf skills-srcUse ~/.agents/skills/ instead of .agents/skills for a personal install.
Codex skills documentation · loads skills from .agents/skills/
Install the "web-rules" agent skill from https://github.com/pproenca/dot-skills/tree/master/skills/.experimental/web-rules into .agents/skills/web-rules/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "web-rules", then confirm the skill loads.Codex copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ npx skills add pproenca/dot-skills --skill web-rules -a cursorProject install goes to .agents/skills/; add -g for ~/.cursor/skills/.
$ gh skill install pproenca/dot-skills web-rules --agent cursorProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/pproenca/dot-skills.git skills-src && mkdir -p .cursor/skills && cp -r skills-src/skills/.experimental/web-rules .cursor/skills/web-rules && rm -rf skills-srcUse ~/.cursor/skills/ instead of .cursor/skills for a personal install.
Cursor skills documentation · loads skills from .cursor/skills/, .agents/skills/, .claude/skills/, .codex/skills/
Install the "web-rules" agent skill from https://github.com/pproenca/dot-skills/tree/master/skills/.experimental/web-rules into .cursor/skills/web-rules/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "web-rules", then confirm the skill loads.Cursor copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ gemini skills install https://github.com/pproenca/dot-skills.git --path skills/.experimental/web-rules--scope user (default) or --scope workspace; --path is the subfolder of the repo that holds the skill; --consent skips the security confirmation prompt.
$ npx skills add pproenca/dot-skills --skill web-rules -a gemini-cliProject install goes to .agents/skills/; add -g for ~/.gemini/skills/.
$ gh skill install pproenca/dot-skills web-rules --agent gemini-cliProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/pproenca/dot-skills.git skills-src && mkdir -p .gemini/skills && cp -r skills-src/skills/.experimental/web-rules .gemini/skills/web-rules && rm -rf skills-srcUse ~/.gemini/skills/ instead of .gemini/skills for a personal install, then run /skills reload.
Gemini CLI skills documentation · loads skills from .gemini/skills/, .agents/skills/
Install the "web-rules" agent skill from https://github.com/pproenca/dot-skills/tree/master/skills/.experimental/web-rules into .gemini/skills/web-rules/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "web-rules", then confirm the skill loads.Gemini CLI copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ gh skill install pproenca/dot-skills web-rulesInstalls for Copilot at project scope by default; add --scope user for a personal install. Preview a skill first with gh skill preview. Needs GitHub CLI 2.90.0 or later (public preview).
$ npx skills add pproenca/dot-skills --skill web-rules -a github-copilotProject install goes to .agents/skills/; add -g for ~/.copilot/skills/.
$ git clone --depth 1 https://github.com/pproenca/dot-skills.git skills-src && mkdir -p .github/skills && cp -r skills-src/skills/.experimental/web-rules .github/skills/web-rules && rm -rf skills-srcUse ~/.copilot/skills/ instead of .github/skills for a personal install. Commit .github/skills so cloud agent and code review can use it.
GitHub Copilot skills documentation · loads skills from .github/skills/, .claude/skills/, .agents/skills/
Install the "web-rules" agent skill from https://github.com/pproenca/dot-skills/tree/master/skills/.experimental/web-rules into .github/skills/web-rules/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "web-rules", then confirm the skill loads.GitHub Copilot copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ npx skills add pproenca/dot-skills --skill web-rules -a opencodeOpenCode documents no install command of its own. Project install goes to .agents/skills/; add -g for ~/.config/opencode/skills/.
$ gh skill install pproenca/dot-skills web-rules --agent opencodeProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/pproenca/dot-skills.git skills-src && mkdir -p .opencode/skills && cp -r skills-src/skills/.experimental/web-rules .opencode/skills/web-rules && rm -rf skills-srcUse ~/.config/opencode/skills/ instead of .opencode/skills for a personal install.
OpenCode skills documentation · loads skills from .opencode/skills/, .claude/skills/, .agents/skills/
Install the "web-rules" agent skill from https://github.com/pproenca/dot-skills/tree/master/skills/.experimental/web-rules into .opencode/skills/web-rules/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "web-rules", then confirm the skill loads.OpenCode copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
Facts
- Skill name
web-rules- GitHub stars
- 214
- Token cost
- ~1.9k tokens
- SKILL.md length
- 668 words
- Files
- 38 (incl. references, assets)
- Skills in repo
- 182
- Repo updated
- First seen
- Licence
- MIT
At a glance
Strict design and UX rules for React 19 + Next.js 16 (App Router) + Tailwind CSS 4.
- Works in 6 steps: Navigation (CRITICAL) → Interaction Design (CRITICAL) → Accessibility (CRITICAL) → …
- Reviewing any user-facing web feature on this stack
- SKILL.md covers Stack Contract, When to Apply, Rule Categories by Priority and Quick Reference, plus 2 more sections
- Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md
What it does
Web Rules is an agent skill from pproenca/dot-skills. Strict design and UX rules for React 19 + Next.js 16 (App Router) + Tailwind CSS 4. Covers navigation, interaction design, accessibility, user feedback, UX patterns, and visual design. Use when designing, building, or reviewing any user-facing web feature on this stack. Trigger when the user asks to "build a settings page", "add a dialog", "design this form", "review for accessibility", "fix dark mode", or any Next.js App Router / React 19 / Tailwind UI task. Also trigger when the user says output "looks off"…
Its SKILL.md is about 1.9k tokens, which your agent loads only when the skill is triggered. The skill folder holds 40 other files, including reference files and assets (for example `assets/templates/_template.md`, `metadata.json` and `references/_sections.md`).
It sits in Frontend & Design, covering Accessibility, UI design and CSS and styling. It works with Tailwind CSS, React and Next.js. The repository describes itself as: A collection of AI agent skills following the Agent Skills open format. The licence is MIT.
When your agent uses it
- Reviewing any user-facing web feature on this stack
- The user asks to build a settings page
- Design this form
- Review for accessibility
Example prompts
- “build a settings page”
- “add a dialog”
- “design this form”
- “/web-rules”
Workflow steps
6 steps, taken from the step headings in SKILL.md.
What it can do on your machine
Read from SKILL.md and the folder at commit cf93c57. It shows what the files ask for, not the result of running them.
Tool permissions
Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.
From allowed-tools in the SKILL.md frontmatter.
Runs code
No scripts in the folder and no shell commands in SKILL.md.
From the folder's file list and the shell code blocks in SKILL.md.
Network
No URLs in SKILL.md.
From URLs in SKILL.md, links to its own repository left out.
Credentials
Names no API keys, tokens, secrets or passwords.
From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.
Context cost
Web Rules loads about 1.9k tokens when it runs, and up to ~34k if it reads all its reference files. Until then it costs about 145 tokens; SKILL.md has 668 words of instructions outside code blocks.
Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.
Safety
Auto-check passed
The automated check found no risky patterns in SKILL.md.
Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.
SKILL.md
The full file from pproenca/dot-skills at commit cf93c57, republished under its MIT licence (© pproenca). 668 words, ~1,879 tokens.
Download SKILL.mdSave it as
.claude/skills/web-rules/SKILL.md (or your agent's skills folder). This skill also uses 37 other files; get the full folder from GitHub.- name
- web-rules
- description
- Strict design and UX rules for React 19 + Next.js 16 (App Router) + Tailwind CSS 4. Covers navigation, interaction design, accessibility, user feedback, UX patterns, and visual design. Use when designing, building, or reviewing any user-facing web feature on this stack. Trigger when the user asks to "build a settings page", "add a dialog", "design this form", "review for accessibility", "fix dark mode", or any Next.js App Router / React 19 / Tailwind UI task. Also trigger when the user says output "looks off", "isn't accessible", or "doesn't follow best practices."
React 19 + Next.js 16 + Tailwind CSS Best Practices
Comprehensive strict-rules reference for web apps built on React 19, the Next.js 16 App Router, and Tailwind CSS 4. Contains 34 rules across 6 categories. Each rule is stated as an Always/Never directive with a quantified impact, an incorrect example, and a correct example.
Stack Contract
All guidance assumes:
- React 19 with Server Components by default; Client Components only when interactivity is required (
'use client'at the top) - Next.js 16 App Router with
app/directory,layout.tsx,page.tsx,loading.tsx,error.tsx,not-found.tsx, parallel routes, intercepting routes - Server Actions for mutations (
'use server') — neveruseEffectfor data fetching - Tailwind CSS 4 with the
@themedirective,dark:variant, container queries, and the standard 4pt spacing scale - lucide-react as the canonical icon system
- No CSS-in-JS (no styled-components, no emotion) — Tailwind utility classes only, with
cn()fromclsx+tailwind-mergefor conditional classes - shadcn/ui primitives (Radix-based) preferred for dialogs, popovers, dropdowns, tooltips, toasts
When to Apply
Reference these rules when:
- Building any user-facing route, layout, or component
- Reviewing PRs for design / UX / accessibility regressions
- Choosing between modality types (dialog vs popover vs full-page)
- Implementing forms with Server Actions and
useFormState/useOptimistic - Configuring loading and error boundaries
- Designing onboarding, permissions, or settings flows
- Ensuring dark mode, focus management, and keyboard navigation work end-to-end
Rule Categories by Priority
| Priority | Category | Impact | Prefix |
|---|---|---|---|
| 1 | Navigation | CRITICAL | nav- |
| 2 | Interaction Design | CRITICAL | inter- |
| 3 | Accessibility | CRITICAL | acc- |
| 4 | User Feedback | HIGH | feed- |
| 5 | UX Patterns | HIGH | ux- |
| 6 | Visual Design | HIGH | vis- |
Quick Reference
1. Navigation (CRITICAL)
nav-primary- Use top nav (3-7 sections) or sidebar; never hamburger-only on desktopnav-app-router- Use App Router layouts, parallel routes, and<Link>for all internal navigationnav-page-actions- Place primary actions in the page header; never bury them in scroll
2. Interaction Design (CRITICAL)
inter-touch-targets- 44×44 px minimum touch target (WCAG 2.5.5)inter-pointer-patterns- Use standard hover/click/long-press patterns; never invent new onesinter-microinteractions- Always confirm interaction with visual feedback within 100msinter-keyboard-navigation- Every interactive element must be reachable and operable by keyboardinter-drag-drop- Provide a keyboard-accessible alternative whenever drag is offeredinter-revalidation- UserevalidatePath/revalidateTagafter mutations; never rely on client refreshinter-row-actions- Use a single "row action" pattern per list (kebab menu OR hover actions OR swipe)inter-search- Debounce search input by 200-300ms and reflect query in the URL
Show full SKILL.md (288 more words)Show less
3. Accessibility (CRITICAL)
acc-labels- Every interactive element has an accessible nameacc-text-scaling- All text scales to 200% browser zoom without horizontal scrollacc-color-contrast- WCAG AA: 4.5:1 body text, 3:1 large/UIacc-reduce-motion- Respectprefers-reduced-motion: reduceacc-color-independent- Never rely on color alone to convey meaningacc-focus-management- Always render a visible focus ring; trap focus inside modalsacc-relative-units- Useremfor text and spacing; never fix text size inpxacc-responsive-layout- Every layout works at 320 px width without horizontal scroll
4. User Feedback (HIGH)
feed-loading-states- Always useloading.tsxor<Suspense>with a skeleton matching final layoutfeed-error-states- Every route segment haserror.tsxwith a Try-Again actionfeed-toasts- Use toasts only for confirmations of non-blocking actionsfeed-success-confirmation- Confirm every destructive or irreversible action with explicit visible feedbackfeed-empty-states- Empty states explain why and offer the next action
5. UX Patterns (HIGH)
ux-onboarding- Onboarding never exceeds 3 screens; always skippableux-permissions- Request browser permissions in-context, not on page loadux-modality- Choose dialog / popover / full-page by content weight; never stack modalsux-destructive-confirmation- Destructive actions require a typed confirmation OR an undo windowux-data-entry- Use Server Actions + progressive enhancement; never disable submit while typingux-undo- Prefer undo over confirmation for everyday actionsux-settings- Settings are autosaved on change; never gated behind a Save button
6. Visual Design (HIGH)
vis-dark-mode- Use CSS custom properties +dark:variant; never hardcodetext-black/bg-whitevis-icon-system- Use lucide-react with1.5pxstroke andsize-4/size-5standard sizesvis-spacing- Use the Tailwind 4 pt scale and container queries; never use ad-hocpxmargins
How to Use
Read individual reference files for detailed explanations and code examples:
- Section definitions - Category structure and impact levels
- Rule template - Template for adding new rules
Reference Files
| File | Description |
|---|---|
| references/_sections.md | Category definitions and ordering |
| assets/templates/_template.md | Template for new rules |
© pproenca, MIT. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file
Files
SKILL.md and 37 other files (references, assets) in skills/.experimental/web-rules of pproenca/dot-skills.
- SKILL.md
- assets/templates/_template.md
- metadata.json
- references/_sections.md
- references/acc-color-contrast.md
- references/acc-color-independent.md
- references/acc-focus-management.md
- references/acc-labels.md
- references/acc-reduce-motion.md
- references/acc-relative-units.md
- references/acc-responsive-layout.md
- references/acc-text-scaling.md
- references/feed-empty-states.md
- references/feed-error-states.md
- references/feed-loading-states.md
- references/feed-success-confirmation.md
- references/feed-toasts.md
- references/inter-drag-drop.md
- … and 20 more
Open the folder on GitHubat commit cf93c57
Compare with similar skills
Web Rules next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.
| Skill | Stars | Used in | Tokens | Auto-check | Licence | Repo updated |
|---|---|---|---|---|---|---|
| Web Rules this skillpproenca/dot-skills | 214 | — | ~1.9k | Automated safety check: Pass | MIT | |
| UI Design Systemtry-works/role-model | 117 | — | ~5k | Automated safety check: Pass | MIT | |
| UI UX Pro Maxshobcoder/shob | 577 | — | ~3.7k | Automated safety check: Pass | MIT | |
| Frontend Designseb1n/awesome-ai-agent-skills | 206 | — | ~2.3k | Automated safety check: Pass | MIT | |
| UI UX Pro Maxsaoudi-h/solar-icons | 182 | 18 repos | ~11k | Automated safety check: Notes | Custom licence | |
| UI/UX Design System AdvisorGalaxy-Dawn/claude-scholar | 5.7k | 1 repos | ~1.1k | Automated safety check: Pass | MIT |
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Frontend Design
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UI UX Pro Max
saoudi-h/solar-icons
UI/UX design intelligence for web and mobile. An agent skill from saoudi-h/solar-icons.
UI/UX Design System Advisor
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Turns a vague UI request into a concrete design system with style, palette, typography and layout guidance from a search script, plus stack-specific implementation advice.
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Related
Works with
Categories
Questions about Web Rules
What does Web Rules do?
Strict design and UX rules for React 19 + Next.js 16 (App Router) + Tailwind CSS 4. Web Rules is an agent skill from pproenca/dot-skills.js 16 (App Router) + Tailwind CSS 4.
When should I use Web Rules?
Web Rules fits situations like: reviewing any user-facing web feature on this stack; the user asks to build a settings page; design this form; review for accessibility.
How do I install Web Rules in Claude Code?
Run `npx skills add pproenca/dot-skills --skill web-rules -a claude-code`. Or copy the skill folder (skills/.experimental/web-rules in pproenca/dot-skills) into .claude/skills/web-rules in your project. Claude Code loads it when a task matches its description.
How do I install Web Rules in Codex?
Run `npx skills add pproenca/dot-skills --skill web-rules -a codex`. Or copy the skill folder (skills/.experimental/web-rules in pproenca/dot-skills) into .agents/skills/web-rules in your project. Codex loads it when a task matches its description.
Can I use Web Rules in Cursor, Gemini CLI or GitHub Copilot?
Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add pproenca/dot-skills --skill web-rules -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/web-rules, .gemini/skills/web-rules, .github/skills/web-rules and .opencode/skills/web-rules in your project.
What does Web Rules need to run?
SKILL.md names no scripts, command-line tools or credentials: Web Rules is instructions for the agent only.
Does Web Rules access the network?
SKILL.md contains no URLs. Any network use would come from the scripts or tools the agent runs. This is read from the text; nothing was executed.
Is Web Rules safe to install?
Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. Review the folder before installing.
What licence does Web Rules use?
Web Rules is published under the MIT licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.
How many tokens does Web Rules use?
About 1.9k tokens (SKILL.md is roughly 7.5k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full. Its references folder adds about 32k tokens, read only when the agent opens those files.
What are the alternatives to Web Rules?
Skills that share tags, products or a category with Web Rules: UI Design System (try-works/role-model, 117 stars), UI UX Pro Max (shobcoder/shob, 577 stars), Frontend Design (seb1n/awesome-ai-agent-skills, 206 stars) and UI UX Pro Max (saoudi-h/solar-icons, 182 stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.
Who maintains Web Rules?
pproenca (a GitHub user) maintains it in pproenca/dot-skills, which has 214 GitHub stars. The repository holds 182 skills in this directory. The repository was last updated on August 15, 2026.
Source: pproenca/dot-skills on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.