just-works: Skill for Claude Code

.claude/skills/tailwind-css-coding/SKILL.md

tailwind-css-coding is a skill for Claude Code from Dynokostya/just-works. It costs 51 tokens per session (1,477 once invoked), scanned A, original, Apache-2.0.

A set of rules for writing Tailwind CSS classes in templates and components. Tailwind CSS is a system where utility class names control layout, colours, spacing, responsive behaviour, and other styling.

In plain words
What is it for?
Use it when editing Tailwind-based interfaces, including dynamic class choices, responsive layouts, dark mode, interaction states, and accessible components.
Why use it?
It prevents classes that the Tailwind compiler cannot detect, along with common styling, accessibility, and project-convention mistakes.

Skill for Claude Code

Written for Claude Code: installed under .claude/.

This is Dynokostya/just-works's own configuration. It tells Claude Code how to work on just-works itself, so it is not a mod to install elsewhere. Copy it as a starting point and replace the rules that are about this project. Everything just-works configures →

Reuse

Borrowing it

Nothing to install: this file belongs to Dynokostya/just-works. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.

Copy the file
curl -O https://raw.githubusercontent.com/Dynokostya/just-works/main/.claude/skills/tailwind-css-coding/SKILL.md
Clone the repo
git clone --depth 1 https://github.com/Dynokostya/just-works

Made for: Claude Code.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for tailwind-css-coding

README.md
[![agentmods](https://agentmods.dev/badge/skills/dynokostya/just-works/tailwind-css-coding/github.svg)](https://agentmods.dev/skills/dynokostya/just-works/tailwind-css-coding)
Your own site
<a href="https://agentmods.dev/skills/dynokostya/just-works/tailwind-css-coding"><img src="https://agentmods.dev/badge/skills/dynokostya/just-works/tailwind-css-coding/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for tailwind-css-coding

Your own site · 80×15
<a href="https://agentmods.dev/skills/dynokostya/just-works/tailwind-css-coding"><img src="https://agentmods.dev/badge/skills/dynokostya/just-works/tailwind-css-coding.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 51 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,477 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe. Third-party audits
  • NVIDIA SkillSpector warn 7 Sept 2026
SkillSpector: 1 finding, up to high

These are SkillSpector’s own severities. On a checked sample its high-severity flags on skills were ~96% false positives — a documented command, a public API, a “never do X” rule — so we show them as a caution to read, not a verdict. Why →

  • high Prompt Injection · line 60
    Hidden instructions were detected in comments or invisible text. These could contain malicious directives. Manual review is recommended.
    Fix: Audit all comments and invisible characters. Remove any instructions that direct the agent to perform unauthorized actions. Use plain, reviewable content.
How audits are shown
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.00051 $0.01477
Opus 5.5 $0.00020 $0.00591
Sonnet 5.5 $0.00010 $0.00295
Haiku 4.5 $0.00005 $0.00148

Measured 9d ago against content hash 8fcdc2595fed, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

tailwind-css-coding scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 9d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

.claude/skills/tailwind-css-coding/SKILL.md · 91 lines

How it starts

The opening of the file, as written. The whole thing — 91 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Tailwind CSS Coding

Project conventions override these defaults. Read 2-3 nearby components and check the Tailwind version in package.json first. v4 signals: @tailwindcss/postcss or @tailwindcss/vite, @import "tailwindcss", @theme {} blocks. v3 signals: tailwind.config.js, @tailwind base; directives, a separate autoprefixer.

Never rules

  • Never construct class names dynamically. The compiler scans source as plain text and never runs code, so `bg-${color}-500` produces no CSS. Use a lookup map of complete static strings. For truly dynamic values (user-set colors, computed positions) use an inline style prop.
const bgMap = { red: "bg-red-500", blue: "bg-blue-500" } as const;
const cls = bgMap[color];
  • Never compose classes by string concatenation. When two utilities set the same property (p-4 p-6), stylesheet order decides the winner, not class order in the string. Merge with cn() and set one value per property. Do not restate defaults (flex flex-row).
  • Never use an arbitrary value when a token exists. p-[16px] is p-4, w-[100%] is w-full, text-[14px] is text-sm. Prefer semantic tokens over raw palette colors when the project defines them (bg-primary, not bg-blue-500); see shadcn-ui-coding.
  • Never ship interactive elements without states. Buttons need hover:, focus-visible:, disabled:, and transition-colors; inputs need focus:, disabled:, placeholder:; links need hover: and focus-visible:. Use focus-visible: rather than focus: for buttons and links so mouse clicks show no ring. In v4 also add cursor-pointer to buttons; Preflight no longer sets it.
  • Never use @apply for patterns that can be a component. Reserve it for third-party library overrides, CMS or Markdown HTML, and non-component template languages.
  • Never leave colors unthemed in a project that supports dark mode. See Dark mode.
  • Never read sm: as "small screens". It means 640px and above; unprefixed utilities apply everywhere. Write mobile styles first, then layer breakpoints upward.
  • Never skip accessibility. Icon-only buttons need <span className="sr-only">Label</span> (and aria-hidden on the icon); skip links use sr-only focus:not-sr-only. Check contrast on hover and focus states in both color schemes.

Read the full file on GitHub · 91 lines

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 9d ago Changed · +3 tokens per session 8fcdc2595fed
  2. 17d ago Changed · -165 lines · -7 tokens per session 2e3236fe4861
  3. 2mo ago First seen · 256 lines · 55 tokens per session scan A dad8870dee8f

Subscribe to this mod's changes

tailwind-css-coding is a skill published in the GitHub repository Dynokostya/just-works (14 stars, last pushed 10d ago), licensed Apache-2.0. It adds 51 tokens to every session and 1,477 once invoked, about $0.0002 per session on Opus 5.5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-09-04.

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