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 dannyjpwilliams/ui-sound-design-skill --skill ui-sound-designgit clone --depth 1 https://github.com/dannyjpwilliams/ui-sound-design-skillWrote 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/dannyjpwilliams/ui-sound-design-skill/ui-sound-design)<a href="https://agentmods.dev/skills/dannyjpwilliams/ui-sound-design-skill/ui-sound-design"><img src="https://agentmods.dev/badge/skills/dannyjpwilliams/ui-sound-design-skill/ui-sound-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/dannyjpwilliams/ui-sound-design-skill/ui-sound-design"><img src="https://agentmods.dev/badge/skills/dannyjpwilliams/ui-sound-design-skill/ui-sound-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 | $0.00071 | $0.03258 |
| Opus 5 | $0.00036 | $0.01629 |
| Sonnet 5 | $0.00014 | $0.00652 |
| Haiku 4.5 | $0.00007 | $0.00326 |
Grade A, and why
ui-sound-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 12d 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 — 205 lines — stays where its author put it; the contents beside it link to each section on GitHub.
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Describe what your UI should sound like. Preview it, tweak it, and download it from the browser.
UI Sound Design
Translate plain-English sound descriptions into working Web Audio API code. No audio engineering background needed — describe what you want to hear, and this skill provides the synthesis knowledge to make it real.
Workflow
Every sound follows this loop: Describe → Generate → Listen → Refine (with optional Review for auditing existing code)
1. Describe
The user describes the sound in plain language. Ask clarifying questions using this framework:
Four questions before generating any sound:
- What triggers it? (click, hover, toggle, notification, transition, success, error)
- What's the emotional tone? (satisfying, subtle, urgent, playful, professional, minimal)
- How prominent should it be? (barely perceptible, noticeable, attention-grabbing)
- Any reference points? (iOS keyboard, Slack notification, macOS trash, game UI, "like a bubble popping")
- Have an audio reference file? If the user has a .wav or .mp3 file they want to match, direct them to run the analyzer:
What ships with it
7 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.
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.
- 12d ago First seen · 205 lines · 71 tokens per session scan A 1829e9b5663f
ui-sound-design is a skill published in the GitHub repository dannyjpwilliams/ui-sound-design-skill (36 stars, last pushed 5mo ago), licensed MIT. It adds 71 tokens to every session and 3,258 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 2026-08-30.
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