Getting it into your agent
One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.
npx agentmods add skills/diillson/chatcli/tailwind-patternsnpx skills add diillson/chatcli --skill tailwind-patternsgit clone --depth 1 https://github.com/diillson/chatcliWrote 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.
[](https://agentmods.dev/skills/diillson/chatcli/tailwind-patterns)<a href="https://agentmods.dev/skills/diillson/chatcli/tailwind-patterns"><img src="https://agentmods.dev/badge/skills/diillson/chatcli/tailwind-patterns.svg" alt="Measured on agentmods" height="20"></a>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.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00026 | $0.01820 |
| Opus 5 | $0.00013 | $0.00910 |
| Sonnet 5 | $0.00005 | $0.00364 |
| Haiku 4.5 | $0.00003 | $0.00182 |
Grade A, and why
tailwind-patterns 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 2d 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.
This is a copy
84% identical to tailwind-patterns — 10 lines differ, which has more behind it and is treated as the original. This page carries a canonical link to it rather than competing with it.
How it starts
The opening of the file, as written. The whole thing — 270 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Tailwind CSS Patterns (v4 - 2025)
Modern utility-first CSS with CSS-native configuration.
1. Tailwind v4 Architecture
What Changed from v3
| v3 (Legacy) | v4 (Current) |
|---|---|
tailwind.config.js |
CSS-based @theme directive |
| PostCSS plugin | Oxide engine (10x faster) |
| JIT mode | Native, always-on |
| Plugin system | CSS-native features |
@apply directive |
Still works, discouraged |
v4 Core Concepts
| Concept | Description |
|---|---|
| CSS-first | Configuration in CSS, not JavaScript |
| Oxide Engine | Rust-based compiler, much faster |
| Native Nesting | CSS nesting without PostCSS |
| CSS Variables | All tokens exposed as --* vars |
2. CSS-Based Configuration
Theme Definition
@theme {
/* Colors - use semantic names */
--color-primary: oklch(0.7 0.15 250);
--color-surface: oklch(0.98 0 0);
--color-surface-dark: oklch(0.15 0 0);
/* Spacing scale */
--spacing-xs: 0.25rem;
--spacing-sm: 0.5rem;
--spacing-md: 1rem;
--spacing-lg: 2rem;
/* Typography */
--font-sans: 'Inter', system-ui, sans-serif;
--font-mono: 'JetBrains Mono', monospace;
}
When to Extend vs Override
| Action | Use When |
|---|---|
| Extend | Adding new values alongside defaults |
| Override | Replacing default scale entirely |
| Semantic tokens | Project-specific naming (primary, surface) |
3. Container Queries (v4 Native)
Breakpoint vs Container
| Type | Responds To |
|---|---|
Breakpoint (md:) |
Viewport width |
Container (@container) |
Parent element width |
Container Query Usage
| Pattern | Classes |
|---|---|
| Define container | @container on parent |
| Container breakpoint | @sm:, @md:, @lg: on children |
| Named containers | @container/card for specificity |
When to Use
| Scenario | Use |
|---|---|
| Page-level layouts | Viewport breakpoints |
| Component-level responsive | Container queries |
| Reusable components | Container queries (context-independent) |
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.
- 2d ago First seen · 270 lines · 26 tokens per session scan A bc64b47c56a4
tailwind-patterns is a skill published in the GitHub repository diillson/chatcli (90 stars, last pushed today), licensed Apache-2.0. It adds 26 tokens to every session and 1,820 once invoked, about $0.0001 per session on Opus 5. A static security scan graded it A with 0 findings. It is 84% identical to tailwind-patterns, differing in 10 lines, and is treated as a copy.
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