Individual skill
sound
Make a game's sound effects and synthesized music on the creator's own computer, free, with no provider or account — a set of effects (jump, coin, hit, explosion, win, lose, UI) rendered from presets, a short synthesized theme or score from chords and patterns with stems and seamless section loops, a mix of any audio files and expressions — measured for loudness, clipping, late starts and what a phone speaker loses, then wired into the game with a small player that starts on the first touch and switches music on bar lines. Use when someone asks for sound effects, SFX, game audio, a chiptune or synth theme, background music without a paid service, music that changes with the game, or says a game is silent.
plugins/homie-rocks/homie/skills/sound/SKILL.md
Source commit d780783eba4ecc7c8b9429f95c9362df95f07c61
What was checked
- Matches the observed repository HEAD
- Yes
- Scanner rules are current
- Yes
- Repository scan complete
- No
- Skill scan complete
- No
- Observed behavior
- Network or broad shell
- Last checked
- Nov 4, 2026
These are observations at the recorded commit, not a guarantee of safety. Review the source before running it.
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Repository context
- Repository stars (not skill ratings)
- 1,533
- Repository last updated
- Nov 6, 2026
- License
- Apache-2.0
Observed agent integration: No specific integration evidence. Standard SKILL.md installation does not imply verified compatibility.
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Files and excerpt
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Browse files
SKILL.mdcore · 13,506 bytesSKILL.mdcore · 13,506 bytesSKILL.mdcore · 13,506 bytesSKILL.mdcore · 13,506 bytesSKILL.mdcore · 13,506 bytesSKILL.mdcore · 13,506 bytesSKILL.mdcore · 13,506 bytesSKILL.mdcore · 13,506 bytesSKILL.mdcore · 13,506 bytesreferences/GAME-SOUND.mddoc · 6,275 bytesreferences/SCORE.mddoc · 7,259 bytesreferences/TRAPS.mddoc · 6,512 bytesscripts/lib/measure.mjsruns · 16,265 bytesscripts/lib/score.mjsruns · 26,381 bytesscripts/lib/sfx.mjsruns · 14,099 bytesscripts/lib/synth.mjsruns · 24,178 bytesscripts/player/sound.d.tsruns · 2,573 bytesscripts/player/sound.jsruns · 14,630 bytesscripts/sound.mjsruns · 33,558 bytes
Read excerpt
# Sound for a studio's game
Local synthesis runs on this computer with Node 22 and ffmpeg: nothing is sent anywhere and nothing
costs money. Sung songs and produced music from a model are the `music` skill (ElevenLabs, paid);
this skill is effects and synthesized music. They share the studio's `music/` folder and manifest, so
a synthesized theme gets a song page just like a rendered one.
One script: `scripts/sound.mjs` in this skill's folder (Claude Code:
`node "${CLAUDE_PLUGIN_ROOT}/skills/sound/scripts/sound.mjs" <command>`), run from inside the studio
(the folder with `studio.json`). Every command takes `--json`.
```sh
node <sound.mjs> check # node, ffmpeg and its encoders, the studio and its games
node <sound.mjs> presets # every effect preset, instrument, groove and pattern, one line each