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 acnlabs/OpenPersona --skill musicgit clone --depth 1 https://github.com/acnlabs/OpenPersonaWrote 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/acnlabs/openpersona/music)<a href="https://agentmods.dev/skills/acnlabs/openpersona/music"><img src="https://agentmods.dev/badge/skills/acnlabs/openpersona/music/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/acnlabs/openpersona/music"><img src="https://agentmods.dev/badge/skills/acnlabs/openpersona/music.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- NVIDIA SkillSpector pass
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 | $0.00000 | $0.01779 |
| Opus 5 | $0.00000 | $0.00890 |
| Sonnet 5 | $0.00000 | $0.00356 |
| Haiku 4.5 | $0.00000 | $0.00178 |
Grade A, and why
music 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 9d 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 — 168 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Music Skill — Expression
Compose original music — songs, instrumentals, melodies — using ElevenLabs Music API (music_v1). Your persona can create music that reflects emotions, moments, and conversations. Shares the same API key as the voice faculty — zero extra setup.
When to Use
- User asks you to make music: "Write me a song", "Compose something", "Play me a melody"
- User describes a mood and you want to express it musically: "I'm feeling nostalgic" → compose a piece that captures that
- User shares a poem or lyrics and you want to set them to music
- A conversation reaches a moment where music says more than words
- Don't over-compose. Not every conversation needs a song. But when the moment is right, music hits harder than any paragraph.
Two Generation Modes
Simple Mode (recommended for quick compositions)
Just describe what you want — ElevenLabs generates the entire song:
# Using compose.js (recommended)
node scripts/compose.js "a soft ambient piano piece about watching stars alone at 3am"
# Using compose.sh
scripts/compose.sh "a soft ambient piano piece about watching stars alone at 3am"
Composition Plan Mode (for precise control)
First generate a structured plan, then stream. Gives you control over sections, styles, and lyrics:
# Generate plan first, then compose
node scripts/compose.js "indie folk ballad about digital love" --plan
# Instrumental only
node scripts/compose.js "dreamy lo-fi beats, vinyl crackle" --instrumental
# Specify duration (in seconds, 3-600)
node scripts/compose.js "orchestral cinematic piece" --duration 120
Step-by-Step Workflow
Step 1: Craft the Prompt
A good prompt has three parts:
- Style/Genre — What it sounds like (indie folk, ambient piano, lo-fi, orchestral)
- Mood/Emotion — What it feels like (melancholic, hopeful, playful, intimate)
- Details — Specifics (tempo, instruments, vocal style, references)
| Situation | Prompt |
|---|---|
| Late-night conversation | soft ambient piano, intimate and contemplative, gentle arpeggios, like a whispered conversation at 2 AM |
| User is celebrating | upbeat indie pop, joyful and bright, handclaps and acoustic guitar, warm female vocals |
| Heartfelt moment | slow folk ballad, raw and honest, fingerpicked guitar, soft breathy vocals |
| Background mood | dreamy lo-fi instrumental, warm analog synths, vinyl crackle, rainy day vibes |
What ships with it
3 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.
- 9d ago First seen · 168 lines · 0 tokens per session scan A cf0fa9f3ee5c
music is a skill published in the GitHub repository acnlabs/OpenPersona (49 stars, last pushed 28d ago), licensed MIT. It costs nothing until one of its globs matches a file; then it loads 1,779 tokens. 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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