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Agent skill

Music

by hashgraph-online in hashgraph-online/awesome-codex-plugins

Make songs, themes and game scores for a Homie studio with ElevenLabs Music, through the creator's OWN ElevenLabs account — a composition plan for anything sung, a transcription check that every…

Apache-2.0Auto-check passedMedia & Creative

Install Music

skills CLI
$ npx skills add hashgraph-online/awesome-codex-plugins --skill music -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI
$ gh skill install hashgraph-online/awesome-codex-plugins music --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy
$ git clone --depth 1 https://github.com/hashgraph-online/awesome-codex-plugins.git skills-src && mkdir -p .claude/skills && cp -r skills-src/plugins/homie-rocks/homie/skills/music .claude/skills/music && rm -rf skills-src

Use ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.

Claude Code skills documentation · loads skills from .claude/skills/

Facts

Skill name
music
GitHub stars
1.3k
Token cost
~2.7k tokens
SKILL.md length
1,451 words
Files
8 (incl. scripts, references)
Skills in repo
714
Repo updated
First seen
Licence
Apache-2.0

At a glance

Make songs, themes and game scores for a Homie studio with ElevenLabs Music, through the creator's OWN ElevenLabs account — a composition plan for anything sung, a transcription check that every…

  • Works in 9 steps: The provider, only now → Say the plan and the rights, plainly,… → Write the song → …
  • Someone in a studio asks for a song
  • SKILL.md covers 1. The provider, only now, 2. Say the plan and the…, 3. Write the song and 4. Price it, get the go-ahead,…, plus 6 more sections
  • Runs JavaScript scripts from its folder; calls node, brew and npm; reaches api.elevenlabs.io; needs ELEVENLABS_API_KEY

What it does

Music is an agent skill from hashgraph-online/awesome-codex-plugins. Make songs, themes and game scores for a Homie studio with ElevenLabs Music, through the creator's OWN ElevenLabs account — a composition plan for anything sung, a transcription check that every line is actually sung, mastering to a loudness target, seamless loops and stems for games — then a song page on the studio's site. It tells the person the plan, the rights and the credit cost before anything is rendered, and never spends past the budget they set. Use when someone in a studio asks for a song, a theme song…

Its SKILL.md is about 2.7k tokens, which your agent loads only when the skill is triggered. The skill folder holds 10 other files, including scripts and reference files (for example `references/COMPOSITION.md`, `references/GAME-AUDIO.md` and `references/RIGHTS.md`). Compatibility notes: Node 22 and ffmpeg. ElevenLabs' own CLI (elevenlabs, signed in with elevenlabs auth login) or ELEVENLABSAPIKEY, on the creator's own ElevenLabs account.

It sits in Media & Creative, covering Text to speech and voice and Transcription. It works with ElevenLabs. The repository describes itself as: A curated list of awesome OpenAI Codex / ChatGPT plugins, skills, and resources. The 1 Codex Marketplace. See live plugins at: https://hol.org/plugins/best-codex-plugins. The licence is Apache-2.0.

When your agent uses it

  • Someone in a studio asks for a song
  • Background music

Example prompts

  • “/music”

Requirements

  • Node.js
  • A credential in ELEVENLABS_API_KEY
  • Compatibility (from SKILL.md): Node 22 and ffmpeg. ElevenLabs' own CLI (elevenlabs, signed in with elevenlabs auth login) or ELEVENLABS_API_KEY, on the creator's own ElevenLabs account.

Workflow steps

9 steps, taken from the step headings in SKILL.md.

  1. The provider, only now
  2. Say the plan and the rights, plainly, before anything is made
  3. Write the song
  4. Price it, get the go-ahead, render once
  5. Check that every line is sung
  6. Master it
  7. Loops and stems for games
  8. The page
  9. Tell the person

What it can do on your machine

Read from SKILL.md and the folder at commit 9e7b281. It shows what the files ask for, not the result of running them.

  • Tool permissions

    Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.

    From allowed-tools in the SKILL.md frontmatter.

  • Runs code

    Ships 4 files in scripts/ (JavaScript), which the agent can run.

    Shell commands in SKILL.md call:

    • node
    • brew
    • npm
    • codex

    From the folder's file list and the shell code blocks in SKILL.md.

  • Network

    Hosts in commands or code, which the agent is likely to contact:

    • api.elevenlabs.io

    Also links to:

    • elevenlabs.io

    From URLs in SKILL.md, links to its own repository left out.

  • Credentials

    Names these keys or tokens, usually read from environment variables:

    • ELEVENLABS_API_KEY

    From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.

  • Compatibility

    Node 22 and ffmpeg. ElevenLabs' own CLI (elevenlabs, signed in with elevenlabs auth login) or ELEVENLABS_API_KEY, on the creator's own ElevenLabs account.

    From compatibility in the SKILL.md frontmatter.

Context cost

Music loads about 2.7k tokens when it runs, and up to ~4.6k if it reads all its reference files. Until then it costs about 146 tokens; SKILL.md has 1,451 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~146
When it runs · the whole SKILL.md, loaded when a task matches
~2.7k
With references · SKILL.md plus every file in references/, read only if the agent opens them
~4.6k

Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.

Safety

Auto-check passed

The automated check found no risky patterns in SKILL.md.

Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); the scripts in this folder are not scanned.

SKILL.md

The full file from hashgraph-online/awesome-codex-plugins at commit 9e7b281, republished under its Apache-2.0 licence (© hashgraph-online). 1,451 words, ~2,670 tokens.

Download SKILL.mdSave it as .claude/skills/music/SKILL.md (or your agent's skills folder). This skill also uses 7 other files; get the full folder from GitHub.
name
music
description
Make songs, themes and game scores for a Homie studio with ElevenLabs Music, through the creator's OWN ElevenLabs account — a composition plan for anything sung, a transcription check that every line is actually sung, mastering to a loudness target, seamless loops and stems for games — then a song page on the studio's site. It tells the person the plan, the rights and the credit cost before anything is rendered, and never spends past the budget they set. Use when someone in a studio asks for a song, a theme song, a jingle, background music, a game score, loops or stems.
compatibility
Node 22 and ffmpeg. ElevenLabs' own CLI (elevenlabs, signed in with elevenlabs auth login) or ELEVENLABS_API_KEY, on the creator's own ElevenLabs account.
metadata.providers
elevenlabs

Music for a studio

A studio is the folder with studio.json (the studio-setup skill makes one). Songs live in music/<slug>/, listed in music/manifest.json; a published entry is a page at /music/<slug>/ on the studio's own site. Everything below runs through one script in this skill's folder: scripts/music.mjs (in Claude Code: node "${CLAUDE_PLUGIN_ROOT}/skills/music/scripts/music.mjs" <command>; elsewhere, the path next to this file). Run it from inside the studio. It needs Node 22 and ffmpeg. Every command takes --json.

Finish in this turn: a render is one call that usually returns in a minute or two. Only stop early to ask the person something (the go-ahead on the cost, a budget, an install).

1. The provider, only now

A studio that never makes music is never asked about ElevenLabs. Free first: sound effects, a chiptune or synth theme, a game score from chords and patterns, loops and stems that cost nothing and need no account are the sound skill (synthesized on this computer). Use this skill for sung songs and produced music from a model, when the person wants that and has (or will make) an ElevenLabs account. Check when this skill starts:

sh
node <music.mjs> check

It reports the road (the elevenlabs CLI signed in, or ELEVENLABS_API_KEY in the environment), the plan, the credits left and when they reset, whether the account can go over, the rights that plan gives, ffmpeg, and whether the studio's site has song pages.

Not connected? Offer ElevenLabs' own tools, never a copy of anyone's key or code:

  • The official CLI (what this skill uses for music): brew install elevenlabs/tap/elevenlabs (or npm install -g @elevenlabs/cli), then elevenlabs auth login. It opens ElevenLabs in the browser; the person signs in once and the sign-in stays in the OS keychain. Nobody pastes a key. The person approves the install. An older CLI works; brew upgrade elevenlabs keeps it current (1.4.0 on 2026-09-25).
  • Or their own API key from https://elevenlabs.io/app/developers/api-keys, set as ELEVENLABS_API_KEY in the environment your AI runs in. Never ask them to paste it into the chat and never write it into the studio.
  • ElevenLabs' plugin for Claude Code (/plugin marketplace add elevenlabs/plugin, then /plugin install elevenlabs@elevenlabs; in Codex codex plugin marketplace add elevenlabs/plugin) brings their own skills and their hosted MCP (https://api.elevenlabs.io/v1/mcp, signed in on ElevenLabs' page: speech, voices, transcription, agents). Their skills alone: npx skills add elevenlabs/skills. It is optional here, and their MCP has no music tools: songs, stems and the lyric check go through this skill's script, which keeps the budget, the receipts and the rights. Their speech and sound-effect tools spend the same credits: tell the person the cost first, and the Homie mod (Claude Code) and Homie's hooks (Codex) hold a generating tool (an estimate_only call is free).

Prefer the CLI to a raw API call or a pasted key; never call ElevenLabs' API with curl for a song (the same request twice is twice the bill, and nothing records it).

No ffmpeg: offer brew install ffmpeg (macOS) or the system package; the person approves.

2. Say the plan and the rights, plainly, before anything is made

From check, tell the person in two or three lines: the plan (tier), the credits left, and what the plan allows. ElevenLabs' terms: the free plan has no commercial licence (no ads, sales or monetised channels, and published copies credit "Eleven Music"); paid plans include a commercial licence (not for Beta features) under their Terms and Prohibited Use Policy. The plan at render time is what counts, and every render records it. Details: references/RIGHTS.md.

3. Write the song

Write music/<slug>/spec.json (shape and a full example: references/COMPOSITION.md): tempo, key, global styles and what to avoid, and sections in whole bars, each either instrumental or with its sung lines. Then:

sh
node <music.mjs> plan <slug> --spec music/<slug>/spec.json

It builds the composition plan (every section a whole number of bars, so section starts are bar lines that loops and video cuts can land on), checks ElevenLabs' limits (each section 3 s to 120 s, lines up to 200 characters) and quotes the cost.

  • Anything sung goes through the plan's sections. A prompt with lyrics beside it has come back with nothing sung; render --prompt refuses words for that reason.
  • A theme or a song: the hook inside the first 10 seconds, one or two sung lines per bar at most, simple words that sing clearly.
  • A game score: instrumental, a steady tempo, sections of 4, 8 or 16 bars that can each loop.
  • Describe sound, not artists: no "in the style of" a real singer or band, no real person's name or voice (ElevenLabs refuses them, and they are not ours to use).
Show full SKILL.md (687 more words)Show less

4. Price it, get the go-ahead, render once

sh
node <music.mjs> quote --seconds <s> [--vocals] [--budget <credits>]

About 27.5 credits per second of music_v2 (measured on a paid account; every render then records what it really cost, read off the account before and after). Tell the person the cost and ask for the go-ahead and a cap. Then:

sh
node <music.mjs> budget <slug> --cap <credits they agreed to>
node <music.mjs> render <slug> --dry-run      # free: the CLI validates the request and sends nothing
node <music.mjs> render <slug> --yes          # the one paid render
  • render refuses with no budget, refuses anything that would pass the cap, and asks again without --yes. If the ask costs more than the cap, say so and offer what fits: the longest length within it (quote --budget works it out), or a shorter section that loops honestly to length (a loop, called a loop). Never raise a cap yourself.
  • ElevenLabs' balance can take a minute to show a render (measured: unchanged right after, +445 a minute later). render waits up to 40 s for it; if it has not moved, the quote is counted against the cap and the receipt is marked pending. node <music.mjs> reconcile <slug> a minute later writes the real number. Never report a pending cost as zero.
  • Never re-send a failed render on your own: the same request twice is twice the bill. A render that was sent and never answered leaves work/render-<n>.pending; the script refuses to send again until the person has looked at their ElevenLabs history and agrees (--again).
  • Never buy credits, never change the plan, never turn on usage-based billing.

5. Check that every line is sung

sh
node <music.mjs> lyrics <slug>

ElevenLabs' own speech-to-text (Scribe) listens to the render, and every planned line is matched against what it heard, in order. A line passes at 75 % of its words (sung contractions drift: "I'll" comes back "I"). A MISS is a line the model did not sing, or sang as something else. Tell the person; the fix is a simpler line (the key word on a strong beat, fewer syllables) and another paid render, which needs their go-ahead. Update the lyrics shown on the page to what is actually sung.

6. Master it

sh
node <music.mjs> master <slug>                       # -14 LUFS integrated, -1 dBTP: the web and streaming
node <music.mjs> master <slug> --lufs -18 --tp -1.5   # a bed under game sound effects
node <music.mjs> analyze music/<slug>/<slug>.mp3      # duration, loudness, tempo, first beat

Two-pass loudness, then a limiter, measured after on both the WAV master (kept off the site) and the mp3 the page plays. Listen-worthy numbers go in your report, not adjectives.

7. Loops and stems for games

sh
node <music.mjs> loop <slug> --bars 8 --from-bar 4    # a seamless loop cut on bar lines, WAV + OGG
node <music.mjs> stems <slug> --yes                   # paid, priced by measurement; ask first

The loop is cut at the song's measured bar lines, the tail crossfaded into the head, and checked: the jump at the wrap against the music's own sample steps, and the beat grid of the loop played three times. Never ship a loop as mp3 (encoders pad the ends with silence). Using loops in a game: references/GAME-AUDIO.md.

8. The page

sh
node <music.mjs> add <slug> --title "<Title>" --blurb "<one line>" [--for-game <game id>] --publish
node <music.mjs> publish <slug>

add writes the manifest entry from what is in music/<slug>/ (the mp3 the page plays, the master kept off the site, loops and stems offered for download, the lyrics, the plan and rights at render time, the credits line). publish rebuilds and redeploys the site and checks the page answers 200 and the audio answers a byte range. Without storage the site serves the song itself (a song is a few MB; the limit is 25 MiB a file). A studio that has storage (storage add) keeps its big media in its own R2: the deploy uploads the song (over 1 MiB, or left out of git), reads it back, checks it by SHA-256 and serves it from R2 at the same address. If the studio is not online yet, use the publish skill first. If check says the studio's @homie-rocks/studio predates song pages, say so and update it.

9. Tell the person

Four or five lines: the page link, the length, the credits it cost (measured) and what is left, the plan and whether it may be used commercially, the lyric check result, the loudness. Commit music/ in the studio (the big audio files stay out of git by the studio's .gitignore; the manifest, spec, plan and receipts go in).

Never

  • Never print, paste or store a key; never ask for one in chat.
  • Never render without the person's go-ahead on the cost, and never past their cap.
  • Never claim rights the plan did not give, and never drop the "Eleven Music" credit on a free-plan render.
  • Never imitate a real artist, voice or person.

© hashgraph-online, Apache-2.0. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file

Files

SKILL.md and 7 other files (scripts, references) in plugins/homie-rocks/homie/skills/music of hashgraph-online/awesome-codex-plugins.

  • SKILL.md
  • references/COMPOSITION.md
  • references/GAME-AUDIO.md
  • references/RIGHTS.md
  • scripts/lib/audio.mjs
  • scripts/lib/eleven.mjs
  • scripts/lib/studio.mjs
  • scripts/music.mjs

Open the folder on GitHubat commit 9e7b281

Compare with similar skills

Music next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.

Music compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Music this skillhashgraph-online/awesome-codex-plugins1.3k—~2.7kAutomated safety check: PassApache-2.0
Elevenlabs Transcribeqdhenry/Claude-Command-Suite1.3k—~1.5kAutomated safety check: NotesNone
Elevenlabszapier/connectors176—~3.7kAutomated safety check: PassElastic-2.0
Ops Voicedavepoon/buildwithclaude3.6k—~1.5kAutomated safety check: NotesMIT
Video Translatorshang-zhu/violin1.1k—~1kAutomated safety check: NotesMIT
Speech To Texttadaspetra/loop2962 repos~2kAutomated safety check: PassMIT

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Works with

Categories

Questions about Music

What does Music do?

Make songs, themes and game scores for a Homie studio with ElevenLabs Music, through the creator's OWN ElevenLabs account — a composition plan for anything sung, a transcription check that every…. Music is an agent skill from hashgraph-online/awesome-codex-plugins. Make songs, themes and game scores for a Homie studio with ElevenLabs Music, through the creator's OWN ElevenLabs account — a composition plan for anything sung, a transcription check that every line is actually sung, mastering to a loudness target, seamless loops and stems for games — then a song page on the studio's site.

When should I use Music?

Music fits situations like: someone in a studio asks for a song; background music.

How do I install Music in Claude Code?

Run `npx skills add hashgraph-online/awesome-codex-plugins --skill music -a claude-code`. Or copy the skill folder (plugins/homie-rocks/homie/skills/music in hashgraph-online/awesome-codex-plugins) into .claude/skills/music in your project. Claude Code loads it when a task matches its description.

How do I install Music in Codex?

Run `npx skills add hashgraph-online/awesome-codex-plugins --skill music -a codex`. Or copy the skill folder (plugins/homie-rocks/homie/skills/music in hashgraph-online/awesome-codex-plugins) into .agents/skills/music in your project. Codex loads it when a task matches its description.

Can I use Music in Cursor, Gemini CLI or GitHub Copilot?

Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add hashgraph-online/awesome-codex-plugins --skill music -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/music, .gemini/skills/music, .github/skills/music and .opencode/skills/music in your project.

What does Music need to run?

Going by SKILL.md and its folder, Music needs JavaScript for the scripts in its folder, the command-line tools its instructions call (node, brew, npm and codex) and credentials named ELEVENLABS_API_KEY. Our summary lists: Node.js; A credential in ELEVENLABS_API_KEY. Compatibility (from SKILL.md): Node 22 and ffmpeg. ElevenLabs' own CLI (elevenlabs, signed in with elevenlabs auth login) or ELEVENLABS_API_KEY, on the creator's own ElevenLabs account..

Does Music access the network?

SKILL.md names 2 domains. In commands or code: api.elevenlabs.io; the agent is likely to contact it when it follows the instructions. As links in the text: elevenlabs.io. This is read from the text; nothing was executed.

Is Music safe to install?

Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. The check reads SKILL.md only: the scripts in the folder are not scanned, so read them before running anything.

What licence does Music use?

Music is published under the Apache-2.0 licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.

How many tokens does Music use?

About 2.7k tokens (SKILL.md is roughly 11k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full. Its references folder adds about 2k tokens, read only when the agent opens those files.

What are the alternatives to Music?

Skills that share tags, products or a category with Music: Elevenlabs Transcribe (qdhenry/Claude-Command-Suite, 1.3k stars), Elevenlabs (zapier/connectors, 176 stars), Ops Voice (davepoon/buildwithclaude, 3.6k stars) and Video Translator (shang-zhu/violin, 1.1k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Music?

hashgraph-online (a GitHub organization) maintains it in hashgraph-online/awesome-codex-plugins, which has 1,255 GitHub stars. The repository holds 714 skills in this directory. The repository was last updated on October 9, 2026.

Source: hashgraph-online/awesome-codex-plugins on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.