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/constellos/claude-code/ui-wireframingnpx skills add constellos/claude-code --skill ui-wireframinggit clone --depth 1 https://github.com/constellos/claude-codeWhat 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 | $0.00080 | $0.02073 |
| Opus 5 | $0.00040 | $0.01037 |
| Sonnet 5 | $0.00016 | $0.00415 |
| Haiku 4.5 | $0.00008 | $0.00207 |
Grade A, and why
UI Wireframing 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.
How it starts
The opening of the file, as written. The whole thing — 308 lines — stays where its author put it; the contents beside it link to each section on GitHub.
UI Wireframing
Mobile-first ASCII wireframe methodology for planning UI layouts before implementation.
Purpose
Wireframing is the first step in the UI development workflow. Create visual ASCII representations of component and page layouts in WIREFRAME.md files before writing any code. This ensures alignment on structure, hierarchy, and interaction patterns.
When to Use
- Before implementing any new UI component or page
- When planning responsive layouts across breakpoints
- To communicate component structure and data flow
- When refactoring existing UI for better organization
Core Principles
Mobile-First Design
Always start with the smallest viewport (375px mobile). Design for mobile constraints first, then progressively enhance for larger screens:
- Mobile (375px) - Primary design target, single column
- Tablet (768px) - Two column layouts where appropriate
- Desktop (1024px+) - Full multi-column layouts
WIREFRAME.md File Location
Create WIREFRAME.md files in the component or page directory:
components/
└── feature-card/
├── WIREFRAME.md # Wireframe documentation
├── feature-card.tsx # Implementation
└── index.ts
app/
└── dashboard/
├── WIREFRAME.md # Page wireframe
└── page.tsx
Wireframe Workflow
Step 1: Identify Components
Before drawing, list the key elements:
## Components
- Header with logo and navigation
- Hero section with title and CTA
- Feature cards (3x grid on desktop)
- Footer with links
Step 2: Create Mobile Layout (375px)
Start with the mobile viewport using ASCII art:
## Mobile Layout (375px)
┌─────────────────────────────────────┐
│ [Logo] [☰ Menu] │
├─────────────────────────────────────┤
│ │
│ Hero Image │
│ │
│ Welcome to Our App │
│ ───────────────── │
│ Subtitle text here │
│ │
│ [ Get Started → ] │
│ │
├─────────────────────────────────────┤
│ ┌─────────────────────────────┐ │
│ │ Feature 1 │ │
│ │ Description text │ │
│ └─────────────────────────────┘ │
│ │
│ ┌─────────────────────────────┐ │
│ │ Feature 2 │ │
│ │ Description text │ │
│ └─────────────────────────────┘ │
│ │
│ ┌─────────────────────────────┐ │
│ │ Feature 3 │ │
│ │ Description text │ │
│ └─────────────────────────────┘ │
├─────────────────────────────────────┤
│ Links | Privacy | Terms │
│ © 2025 Company │
└─────────────────────────────────────┘
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 · 308 lines · 80 tokens per session scan A 583d4bc3bbff
UI Wireframing is a skill published in the GitHub repository constellos/claude-code (5 stars, last pushed 4mo ago), licensed MIT. It adds 80 tokens to every session and 2,073 once invoked, about $0.0004 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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