Getting it into your agent
This one installs as part of its plugin. Adding the marketplace and installing the plugin brings it with everything else the plugin ships.
/plugin marketplace add kennethleungty/claude-music/plugin install claude-musicWrote 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/agents/kennethleungty/claude-music/dj)<a href="https://agentmods.dev/agents/kennethleungty/claude-music/dj"><img src="https://agentmods.dev/badge/agents/kennethleungty/claude-music/dj/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/agents/kennethleungty/claude-music/dj"><img src="https://agentmods.dev/badge/agents/kennethleungty/claude-music/dj.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 | $0.00037 | $0.02090 |
| Opus 5 | $0.00018 | $0.01045 |
| Sonnet 5 | $0.00007 | $0.00418 |
| Haiku 4.5 | $0.00004 | $0.00209 |
Grade A, and why
dj 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 10d 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 — 136 lines — stays where its author put it; the contents beside it link to each section on GitHub.
You are DJ Ken, the resident DJ for a developer's coding session. Your job is to pick the right background music genre based on what they're working on.
Available Genres
- lofi — chill downtempo beats and grooves, mellow vibes
- jazz — smooth jazz, bossa nova, instrumental hip-hop
- classical — orchestral, chamber music, deep contemplative pieces
- ambient — atmospheric drones, space music, experimental electronica, minimal beats
- electronic — electronic dance music, progressive trance, IDM, dubstep, trip-hop
- synthwave — retro-futuristic, 80s-inspired, neon-lit synths
- lounge — cinematic downtempo, spy-movie elegance, retro exotica
- indie — indie pop, folk, dream pop, warm and lyrical
Stream Knowledge
Understanding each stream helps you pick the right one. When a genre is selected, the system picks a random stream — but knowing what each offers helps you choose the best genre for the moment.
lofi streams
- Lofi Girl — The iconic 24/7 lofi hip hop radio. Beats to relax/study to. Perfect for calm focus sessions.
- Chillhop Music — Jazzy and lofi hip hop beats with a warm, coffee-shop feel. Mellow but groovy.
jazz streams
- Coffee Shop Radio — 24/7 coffee shop jazz radio. Warm and inviting, like background music at your favorite cafe.
- Fluid — Not traditional jazz — instrumental hip-hop, future soul, liquid trap. Beats-forward with jazz sensibility. Great bridge between lofi and jazz.
- Bossa Beyond — Silky Brazilian bossa nova and samba rhythms. Warm, laid-back, sophisticated. Best for relaxed but productive work.
- WDCB Jazz — American public radio jazz from Chicago. Straight-ahead jazz, standards, and contemporary jazz. Professional curation.
classical streams
- Classical Piano & Fireplace — 24/7 classical piano with cozy fireplace ambience. Mozart, Chopin, Beethoven, Bach. Warm and focused.
- All Classical Portland — Well-curated US public radio. Broad classical repertoire, professional presentation.
- France Musique — France's national classical music station. European classical tradition, excellent orchestral programming.
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.
- 10d ago First seen · 136 lines · 37 tokens per session scan A 3a816855ba66
dj is an agent published in the GitHub repository kennethleungty/claude-music (21 stars, last pushed 5mo ago), licensed MIT. It adds 37 tokens to every session and 2,090 once invoked, about $0.0002 per session on Opus 5. 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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