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 cenconq25/claude-code-app-studio --skill ux-designgit clone --depth 1 https://github.com/cenconq25/claude-code-app-studioWrote 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/cenconq25/claude-code-app-studio/ux-design)<a href="https://agentmods.dev/skills/cenconq25/claude-code-app-studio/ux-design"><img src="https://agentmods.dev/badge/skills/cenconq25/claude-code-app-studio/ux-design/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/cenconq25/claude-code-app-studio/ux-design"><img src="https://agentmods.dev/badge/skills/cenconq25/claude-code-app-studio/ux-design.svg" alt="Reviewed on agentmods" width="80" 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 | $0.00061 | $0.02393 |
| Opus 5.5 | $0.00024 | $0.00957 |
| Sonnet 5.5 | $0.00012 | $0.00479 |
| Haiku 4.5 | $0.00006 | $0.00239 |
Grade A, and why
ux-design 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 — 305 lines — stays where its author put it; the contents beside it link to each section on GitHub.
UX Design — Per Screen / Flow
A UX spec sits between the PRD (what the system does) and the implementation (how it looks). It captures: layout, states, transitions, copy, accessibility, platform conventions, and the engineer-facing implementation hooks.
Output: design/ux/<screen-or-flow>.md
Purpose / When to Run
Run when:
- A PRD has UI Requirements that need spec-level detail
- A specific screen or flow is heading into implementation
- A flow crosses two PRDs and needs its own UX spec to bridge them
Examples of UX-spec-worthy targets:
- A single screen (
home,settings-profile,paywall) - A flow across screens (
onboarding-flow,signup-flow) - A persistent HUD element (
mini-player,floating-action-button)
Inputs
- Screen / flow name (required)
- Parent PRD(s) — the skill detects from name or asks
design/design-bible.md(required for tokens)design/concept.md(for tone).claude/docs/technical-preferences.md(for platform conventions)
Outputs
design/ux/<screen-or-flow>.md
Phase 1: Resolve Target
If no name passed, ask:
- Prompt: "Which screen or flow are we speccing?"
- Free text. Capture as kebab-case for filename.
Detect parent PRD: glob design/prd/*.md, search for the screen name in each. If multiple match, ask which is the parent. If none match, ask:
- "No PRD currently mentions this screen. Is this a missing PRD section, or is the screen genuinely new?"
If genuinely new, suggest authoring a PRD first.
Phase 2: Read Context
- Read parent PRD (Sections 3 Detailed Requirements, 4 Edge Cases, 8 Accessibility relevant)
- Read
design/design-bible.md— tokens to reference - Read
design/concept.md— tone anchor - Read existing
design/ux/*.mdfor screens that share a flow
Phase 3: Skeleton
Write design/ux/<name>.md:
# UX Spec: <Screen / Flow>
> **Status**: In Design
> **Parent PRD**: design/prd/<system>.md
> **Last Updated**: <date>
## 1. Screen Goal
[To be designed]
## 2. User Flow Context
[To be designed]
## 3. Layout & Composition
[To be designed]
## 4. States
[To be designed]
## 5. Empty / Loading / Error / Offline
[To be designed]
## 6. Transitions & Motion
[To be designed]
## 7. Copy & Tone
[To be designed]
## 8. Accessibility
[To be designed]
## 9. Platform Notes (iOS / Android)
[To be designed]
## 10. Implementation Hooks
[To be designed]
## 11. Open Questions
[To be designed]
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 · 305 lines · 61 tokens per session scan A bc41075e30b0
ux-design is a skill published in the GitHub repository cenconq25/claude-code-app-studio (42 stars, last pushed 5mo ago), licensed MIT. It adds 61 tokens to every session and 2,393 once invoked, about $0.0002 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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