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 skills add travisjneuman/.claude --skill generic-fullstack-ux-designergit clone --depth 1 https://github.com/travisjneuman/.claudeWrote 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/travisjneuman/.claude/generic-fullstack-ux-designer)<a href="https://agentmods.dev/skills/travisjneuman/.claude/generic-fullstack-ux-designer"><img src="https://agentmods.dev/badge/skills/travisjneuman/.claude/generic-fullstack-ux-designer/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.
<a href="https://agentmods.dev/skills/travisjneuman/.claude/generic-fullstack-ux-designer"><img src="https://agentmods.dev/badge/skills/travisjneuman/.claude/generic-fullstack-ux-designer.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- NVIDIA SkillSpector pass
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 | $0.00071 | $0.01158 |
| Opus 5.5 | $0.00028 | $0.00463 |
| Sonnet 5.5 | $0.00014 | $0.00232 |
| Haiku 4.5 | $0.00007 | $0.00116 |
Grade A, and why
generic-fullstack-ux-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 1mo 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 — 164 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Fullstack UX Designer
Professional UX expertise for Next.js/NestJS full-stack applications.
Extends: Generic UX Designer - Read base skill for design thinking process, research methods, interaction patterns, and critique framework.
Full-Stack UX Considerations
Server-Side Rendering UX
| Scenario | UX Pattern |
|---|---|
| Initial page load | Hydration-safe skeleton screens |
| Data fetching | Server components for static, client for dynamic |
| Authentication | Protected routes with redirect UX |
| Form submission | Progressive enhancement |
Hydration-Safe Patterns
// ✓ Avoid hydration mismatch
function Timestamp({ date }: { date: Date }) {
const [formatted, setFormatted] = useState("");
useEffect(() => {
setFormatted(date.toLocaleString()); // Client-side only
}, [date]);
return <span>{formatted || "Loading..."}</span>;
}
API Loading & Error States
Loading State Hierarchy
| Duration | Pattern | Example |
|---|---|---|
| < 100ms | No indicator | Button click |
| 100ms - 1s | Subtle spinner | Form submit |
| 1s - 5s | Skeleton screen | Page fetch |
| > 5s | Progress bar | File upload |
Error State Design
API Error → Parse Error → User-Friendly Message → Recovery Action
| Error Type | User Message | Recovery |
|---|---|---|
| 400 Validation | Show field errors | Fix and retry |
| 401 Unauthorized | "Please log in" | Redirect to login |
| 404 Not Found | "Item not found" | Navigate back |
| 500 Server Error | "Something went wrong" | Retry button |
Optimistic UI Pattern
// Show immediate feedback, rollback on error
async function toggleLike(postId: string) {
// 1. Update UI immediately
setLiked(true);
setLikeCount((c) => c + 1);
try {
// 2. Call API
await api.like(postId);
} catch {
// 3. Rollback on failure
setLiked(false);
setLikeCount((c) => c - 1);
showToast("Failed to like");
}
}
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.
- 1mo ago First seen · 164 lines · 71 tokens per session scan A 01b014a131be
generic-fullstack-ux-designer is a skill published in the GitHub repository travisjneuman/.claude (106 stars, last pushed yesterday), licensed MIT. It adds 71 tokens to every session and 1,158 once invoked, about $0.0003 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 2026-09-03.
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