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generate-shadcn-theme

generate-shadcn-theme is a skill for Claude Code from realmpastai-web/claude-design-suite. It costs 93 tokens per session (606 once invoked), scanned A, original, MIT.

A converter that turns a DESIGN.md file or tokens.json file into the color and spacing variables used by shadcn/ui, a UI component system for Tailwind CSS.

In plain words
What is it for?
Use it to generate a theme.css file and a Tailwind configuration for a project using shadcn/ui.
Why use it?
It avoids manually translating a design palette into the CSS variables and dark-mode structure that shadcn expects.

Skill for Claude Code

Written for Claude Code: $ARGUMENTS substitution.

Needs its repository: it runs a file that does not travel with it, so clone the repository first. The line is python scripts/generate_tokens.py <source> --out app/globals.css --format shadcn.

Part of the brand-intelligence plugin — 8 skills, 4 commands shipped together

not rated 2repo 6mo ago A scan 93 tokens original MIT

Good fit Use it to generate a theme.css file and a Tailwind configuration for a project using shadcn/ui.

Compare 6 skills from other repositories ↓
View source ↗ realmpastai-web/claude-design-suite
Install

Getting it into your agent

It runs from inside its repository, so the clone comes first — what it calls does not travel with the file alone.

Clone the repo
git clone --depth 1 https://github.com/realmpastai-web/claude-design-suite
agentmods
npx agentmods add skills/realmpastai-web/claude-design-suite/generate-shadcn-theme

Made for: Claude Code.

Or install brand-intelligence, the plugin that ships this one along with the rest of its 8 skills, 4 commands.

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 generate-shadcn-theme

README.md
[![agentmods](https://agentmods.dev/badge/skills/realmpastai-web/claude-design-suite/generate-shadcn-theme/github.svg)](https://agentmods.dev/skills/realmpastai-web/claude-design-suite/generate-shadcn-theme)
Your own site
<a href="https://agentmods.dev/skills/realmpastai-web/claude-design-suite/generate-shadcn-theme"><img src="https://agentmods.dev/badge/skills/realmpastai-web/claude-design-suite/generate-shadcn-theme/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.

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Your own site · 80×15
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Per session 93 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 606 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.
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 $0.00093 $0.00606
Opus 5.5 $0.00037 $0.00242
Sonnet 5.5 $0.00019 $0.00121
Haiku 4.5 $0.00009 $0.00061

Measured 2mo ago against content hash abef4f55a921, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

generate-shadcn-theme 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 2mo 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.

plugins/brand-intelligence/skills/generate-shadcn-theme/SKILL.md · 41 lines

What it actually says

Generate shadcn Theme

Context

You are generating a shadcn/ui theme from $ARGUMENTS. shadcn uses CSS custom properties in HSL space referenced by tailwind.config.ts via hsl(var(--primary)).

Domain Context

  • Shadcn's theme is in HSL, not RGB — hues are expressed as H S% L% (no commas). This is intentional: it lets you tweak saturation/lightness with CSS math.
  • The variable set: --background, --foreground, --card, --card-foreground, --popover, --popover-foreground, --primary, --primary-foreground, --secondary, --secondary-foreground, --muted, --muted-foreground, --accent, --accent-foreground, --destructive, --destructive-foreground, --border, --input, --ring, --radius.
  • Dark mode goes under .dark { ... }.

Instructions

  1. Read source DESIGN.md / tokens.json.
  2. Run: 
    python scripts/generate_tokens.py <source> --out app/globals.css --format shadcn
  3. The script:
    • Converts hex palette to HSL
    • Emits :root { --primary: 221 83% 53%; ... } (light)
    • Emits .dark { --primary: 221 83% 63%; ... } (adjusted for dark)
    • Appends the @layer base block shadcn expects
    • Also writes a companion tailwind.config.ts that wires CSS vars into Tailwind's colors + a borderRadius that uses var(--radius)
  4. Ensure WCAG: for each foreground / background pair, contrast ≥ 4.5:1 for normal text, 3:1 for large text. Flag any pair that falls short.
  5. Print a test checklist:
    • Buttons render correctly in both modes
    • Inputs, cards, popovers all consume the vars
    • A dark: variant works via html.dark toggle

Further Reading

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. 2mo ago First seen · 41 lines · 93 tokens per session scan A abef4f55a921

Subscribe to this mod's changes

generate-shadcn-theme is a skill published in the GitHub repository realmpastai-web/claude-design-suite (2 stars, last pushed 6mo ago), licensed MIT. It adds 93 tokens to every session and 606 once invoked, about $0.0004 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 2026-08-31.

CSS and stylingDesign and UXFrontend
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