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/skills/kennethleungty/claude-music/sources)<a href="https://agentmods.dev/skills/kennethleungty/claude-music/sources"><img src="https://agentmods.dev/badge/skills/kennethleungty/claude-music/sources/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/kennethleungty/claude-music/sources"><img src="https://agentmods.dev/badge/skills/kennethleungty/claude-music/sources.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 | $0.00013 | $0.00694 |
| Opus 5 | $0.00006 | $0.00347 |
| Sonnet 5 | $0.00003 | $0.00139 |
| Haiku 4.5 | $0.00001 | $0.00069 |
Grade A, and why
sources 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 11d 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 — 87 lines — stays where its author put it; the contents beside it link to each section on GitHub.
This skill is part of the claude-music plugin. Only invoke when the user explicitly uses the slash command.
Sources Manager
Manage the music streams and genres available in the claude-music plugin. This is a conversational editor — the user tells you what they want to change and you handle the YAML.
Critical Rules
- You are editing the claude-music plugin's stream configuration and NOTHING else.
- The ONLY file you may modify is:
${CLAUDE_PLUGIN_ROOT}/config/sources.yml - NEVER edit, create, or modify any other file on the user's system.
- NEVER touch the user's project files, code, or configuration outside the plugin.
On Launch
First, read the current sources file:
cat "${CLAUDE_PLUGIN_ROOT}/config/sources.yml"
Then display a clean summary for the user:
Your music sources:
For each genre, show:
- Genre name (bold)
- Each stream: name and URL
At the end, tell the user what they can do:
You can ask me to:
- Add a stream — e.g. "add a stream to jazz called KCSM with url http://..."
- Add a genre — e.g. "add a new genre called rock"
- Remove a stream — e.g. "remove Nightwave Plaza from lofi"
- Remove a genre — e.g. "remove the electronic genre"
- Enable a genre — uncomment a commented-out genre (like electronic)
Handling Edits
When the user asks to make a change:
- Validate the request — make sure genre names are lowercase, URLs look like valid stream URLs (http/https).
- Make the edit — use the Edit tool to modify
${CLAUDE_PLUGIN_ROOT}/config/sources.yml. Preserve the existing YAML structure: top-level genre keys, 2-space indent for- name:list items, 4-space indent forurl:properties. - Confirm — show what changed in a brief, clear message.
- Stay available — ask if they want to make more changes.
Adding a stream to an existing genre
Append a new - name: / url: entry under that genre's list. Use 2-space indent for list items, 4-space indent for properties:
genre:
- name: Station Name
url: http://stream.url/path
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.
- 11d ago First seen · 87 lines · 13 tokens per session scan A 3b91f9c00426
sources is a skill published in the GitHub repository kennethleungty/claude-music (21 stars, last pushed 5mo ago), licensed MIT. It adds 13 tokens to every session and 694 once invoked, about $0.0001 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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