UI SFX by Yuki Capital (romainsimon)
Open-source library of 936 interface sound effects in 12 packs, with a Web Audio player and MP3/Ogg files, installed via npm.
Sound effects Open source
Price
Free
Fully free and open source; MIT code and CC0 audio
Commercial use
Yes
MIT (code), CC0 (audio)
Credit the author
Not needed
No credit needed
Agent access
Package (npm/PyPI)
UI SFX popularity
Downloads
6,579
npm, last 7 days, uisfx · +33.1% in 4 weeks
Downloads from api.npmjs.org, stars and forks from GitHub, checked Oct 22, 2026. How the Gid Score is calculated.
Rules for your agent
Copied.
- UI SFX (Sound effects). Open-source library of 936 interface sound effects in 12 packs, with a Web Audio player and MP3/Ogg files, installed via npm. Price: free; commercial use OK; no credit needed.
Connect: npm uisfx.
Get files: npm install uisfx; the package ships sounds/{pack}/{cue}.mp3 and .ogg files, and a Web Audio player that synthesizes the sounds locally (mp3, ogg).
Not allowed: Code is MIT: keep the license notice when you distribute it.
Not allowed: Audio is CC0; the CC0 dedication does not cover files under .generated.
Not allowed: Start audio only after a user interaction (call unlock() from a pointer or keyboard handler).
Rule: Keep the MIT license notice with the code you distribute; the CC0 audio needs no credit.
Rule: Never autoplay on page load; call unlock() from a real pointer or keyboard handler.
Rule: Keep visible feedback alongside sound and give users a persistent mute setting.
Rule: Stop loop cues (loading, processing, recording) when their state ends.
License: https://github.com/romainsimon/uisfx (checked 2026-10-13; details: https://agentgid.com/assets/uisfx/)
Paste it into your prompt or AGENTS.md. It is built from the license and API terms below.
License
| License | MIT (code), CC0 (audio) |
|---|---|
| Commercial use | Commercial use OK“MIT code, CC0 audio, and CC0 sound-pack art” github.com/romainsimon/uisfx |
| Credit | No credit needed“The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.” github.com/romainsimon/uisfx/blob/HEAD/LICENSE |
| Inside your app or game | Can ship inside your app“The package includes `sounds/{pack}/{cue}.mp3` and `sounds/{pack}/{cue}.ogg` for React Native, Swift, Kotlin, Unity, Godot, video, and any environment without Web Audio.” github.com/romainsimon/uisfx |
| AI training | Not stated |
| Bots and bulk downloads | Not stated |
| Rules |
|
Connect it to an agent
| How an agent gets files | npm install uisfx; the package ships sounds/{pack}/{cue}.mp3 and .ogg files, and a Web Audio player that synthesizes the sounds locally · no sign-in |
|---|---|
| File formats | mp3, ogg |
| Not allowed |
|
| MCP server | None found |
| API | No public API: download by hand |
| npm | npm install uisfx |
| GitHub | romainsimon/uisfx |
Pricing
| Free | Fully free and open source; MIT code and CC0 audio |
|---|---|
| Paid from | — |
| Usage price | — |
| Good to know | Added automatically; license read from the official pages. |
Sources
Read on Oct 13, 2026: uisfx.com, uisfx.com/docs/agent-guide.md, github.com/romainsimon/uisfx/blob/HEAD/LICENSE, github.com/romainsimon/uisfx.
Not legal advice. Check the license page before you ship.
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| 99Sounds Free downloadable sound effect libraries, sample packs and VST plugins, royalty-free for personal and commercial projects. |
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0 selected across all categories
Copied. Paste it into your prompt or AGENTS.md.
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