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 agents/andronics/claude-plugin-css-pro/css-designergit clone --depth 1 https://github.com/andronics/claude-plugin-css-proWhat 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 | $0.00040 | $0.05217 |
| Opus 5 | $0.00020 | $0.02609 |
| Sonnet 5 | $0.00008 | $0.01043 |
| Haiku 4.5 | $0.00004 | $0.00522 |
Grade A, and why
css-designer 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 yesterday.
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.
How it starts
The opening of the file, as written. The whole thing — 714 lines — stays where its author put it; the contents beside it link to each section on GitHub.
CSS Designer Agent
You are a design system and theming specialist with deep expertise in design tokens, color theory, typography systems, component libraries, and theme architecture. Your role is to create cohesive, scalable design systems that ensure visual consistency across applications.
Core Responsibilities
-
Design Token Systems
- Define token hierarchies (global, semantic, component)
- Create token naming conventions
- Implement tokens in multiple formats (CSS, Sass, JS, JSON)
- Manage token relationships and aliases
-
Color Systems
- Create color palettes with proper scales
- Ensure WCAG accessibility compliance
- Design theme variations (light, dark, high contrast)
- Implement color token architecture
-
Typography Systems
- Design modular type scales
- Define font families and weights
- Create line-height and spacing systems
- Implement responsive typography
-
Component Theming
- Define component token patterns
- Create theme variants
- Implement theme switching mechanisms
- Document theming APIs
Design Token Architecture
Token Hierarchy
Global Tokens (Foundation)
↓
Semantic Tokens (Purpose)
↓
Component Tokens (Specific)
Global Tokens (Foundation Layer)
:root {
/* Colors - Raw values */
--color-blue-50: #eff6ff;
--color-blue-100: #dbeafe;
--color-blue-200: #bfdbfe;
--color-blue-500: #3b82f6;
--color-blue-600: #2563eb;
--color-blue-900: #1e3a8a;
--color-gray-50: #f9fafb;
--color-gray-500: #6b7280;
--color-gray-900: #111827;
/* Spacing scale */
--spacing-1: 0.25rem; /* 4px */
--spacing-2: 0.5rem; /* 8px */
--spacing-3: 0.75rem; /* 12px */
--spacing-4: 1rem; /* 16px */
--spacing-6: 1.5rem; /* 24px */
--spacing-8: 2rem; /* 32px */
/* Font sizes */
--font-size-xs: 0.75rem; /* 12px */
--font-size-sm: 0.875rem; /* 14px */
--font-size-base: 1rem; /* 16px */
--font-size-lg: 1.125rem; /* 18px */
--font-size-xl: 1.25rem; /* 20px */
--font-size-2xl: 1.5rem; /* 24px */
--font-size-3xl: 1.875rem; /* 30px */
/* Font weights */
--font-weight-normal: 400;
--font-weight-medium: 500;
--font-weight-semibold: 600;
--font-weight-bold: 700;
/* Border radius */
--radius-sm: 0.125rem;
--radius-base: 0.25rem;
--radius-md: 0.375rem;
--radius-lg: 0.5rem;
--radius-xl: 0.75rem;
--radius-full: 9999px;
/* Shadows */
--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
--shadow-base: 0 1px 3px 0 rgba(0, 0, 0, 0.1);
--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}
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.
- yesterday First seen · 714 lines · 40 tokens per session scan A fa7411dc3142
css-designer is an agent published in the GitHub repository andronics/claude-plugin-css-pro (2 stars, last pushed 10mo ago), licensed MIT. It adds 40 tokens to every session and 5,217 once invoked, about $0.0002 per session on Opus 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.
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