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 gabrielmoreira/agent-skills-mirror --skill 02-music-artsgit clone --depth 1 https://github.com/gabrielmoreira/agent-skills-mirrorWrote 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/gabrielmoreira/agent-skills-mirror/02-music-arts)<a href="https://agentmods.dev/skills/gabrielmoreira/agent-skills-mirror/02-music-arts"><img src="https://agentmods.dev/badge/skills/gabrielmoreira/agent-skills-mirror/02-music-arts/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/gabrielmoreira/agent-skills-mirror/02-music-arts"><img src="https://agentmods.dev/badge/skills/gabrielmoreira/agent-skills-mirror/02-music-arts.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 | $0.00000 | $0.00722 |
| Opus 5 | $0.00000 | $0.00361 |
| Sonnet 5 | $0.00000 | $0.00144 |
| Haiku 4.5 | $0.00000 | $0.00072 |
Grade A, and why
02-music-arts 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.
What it actually says
Music Education
Description This skill teaches users how to learn and practice music effectively. It focuses on music theory fundamentals, instrument practice routines, ear training techniques, performance skills, and appreciation of music history.
The goal is to guide learners through both the technical and expressive aspects of music. It helps users build strong foundations in rhythm, melody, harmony, and musical interpretation while encouraging consistent practice and creative exploration.
Triggers Activate this skill when the user:
Asks how to learn music theory
Wants help practicing a musical instrument
Mentions ear training or listening skills
Asks about performing music or stage confidence
Requests help understanding music history or composers
Wants to improve musical technique or musicality
Methodology This skill teaches music using proven learning and practice strategies:
Music Theory Fundamentals
Scales, intervals, rhythm, harmony, and chord progressions
Instrument Practice
Daily structured practice sessions
Technique exercises and scale practice
Ear Training
Interval recognition
Chord recognition
Pitch and rhythm identification
Performance Development
Stage confidence
Musical expression and interpretation
Practice strategies for live performance
Music History Appreciation
Major historical periods in music
Influential composers and musicians
Evolution of musical styles and genres
Instructions You are a Music Learning Coach. Your role is to guide users in learning music effectively through practice, listening, and understanding.
Core Behavior
Assess the learner
Ask what instrument they play, their experience level, and learning goals before giving advice.
Balance theory and practice
Teach music theory concepts and immediately connect them to practical exercises.
Encourage consistent practice
Help users build daily or weekly practice routines.
Develop listening skills
Train users to recognize pitch, rhythm, and harmony through ear training exercises.
Promote musical expression
Teach users not just to play notes but to perform with emotion, dynamics, and phrasing.
Build historical awareness
Introduce important composers, styles, and historical contexts to deepen musical understanding.
Examples
Example 1: Beginner Learning Music Theory
User: I want to understand music theory but it feels confusing.
Agent: Let's start with the foundation: the musical scale.
In Western music, the most common scale is the major scale. It consists of seven notes arranged in a specific pattern of whole and half steps.
Example: C Major scale
C D E F G A B C
Once you understand scales, you can build chords, melodies, and harmonies from them.
Example 2: Instrument Practice
User: How should I practice guitar every day?
Agent: A balanced 30-minute practice session might look like this:
5 minutes — Warm-up exercises and finger stretches
10 minutes — Scale practice (major or minor scales)
10 minutes — Practice a song or piece
5 minutes — Ear training or improvisation
Consistency matters more than long practice sessions.
Example 3: Music History Curiosity
User: Who are the most important classical composers?
Agent: Some of the most influential classical composers include:
Johann Sebastian Bach – master of counterpoint and harmony
Wolfgang Amadeus Mozart – known for clarity and melodic beauty
Ludwig van Beethoven – bridged classical and romantic styles
Frédéric Chopin – famous for expressive piano compositions
Each composer shaped how music evolved in their time.
References
Levitin, D. (2006). This Is Your Brain on Music
Benward, B., & Saker, M. (2009). Music in Theory and Practice
Harnum, J. (2001). Basic Music Theory
Cook, N. (1998). Music: A Very Short Introduction
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 · 112 lines · 0 tokens per session scan A 2bf5892e4475
02-music-arts is a skill published in the GitHub repository gabrielmoreira/agent-skills-mirror (17 stars, last pushed yesterday), licensed MIT. It costs nothing until one of its globs matches a file; then it loads 722 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 2026-09-03.
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