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Skillv1.0.0

ClawScan security

music-manager · ClawHub's context-aware review of the artifact, metadata, and declared behavior.

Scanner verdict

BenignMar 8, 2026, 7:43 AM
Verdict
benign
Confidence
medium
Model
gpt-5-mini
Summary
The skill is internally consistent for a local music-downloader: the script invokes yt-dlp/ffmpeg to fetch and convert audio and the documentation matches the code, but it asks you to enable browser cookie extraction (sensitive) and assumes installing third-party tools.
Guidance
This skill appears to do what it claims: it runs a local Python script that calls yt-dlp to download and ffmpeg to convert audio. Before installing or running it, consider: (1) Browser cookies: enabling cookie extraction (BROWSER set to e.g. 'chrome') gives yt-dlp access to your browser session cookies — only enable this if you understand the privacy risk and trust yt-dlp on your machine. (2) Installation source: follow official install instructions for yt-dlp and ffmpeg (official releases or package manager) rather than untrusted downloads. (3) MUSIC_DIR: set the MUSIC_DIR to a directory you control to avoid overwriting important files. (4) Platform: SKILL.md uses brew (macOS); adapt install commands for Linux/Windows as appropriate. (5) Legality: downloading copyrighted content may violate terms or law in your jurisdiction — ensure you have rights to the media you fetch. If you want extra caution, run the script in an isolated environment (VM/container) and avoid enabling cookie extraction unless necessary.

Review Dimensions

Purpose & Capability
okName/description (download music from YouTube/Bilibili, convert to MP3, save by category) matches the included script and instructions. The script constructs yt-dlp arguments, writes files into a user-configurable MUSIC_DIR, and uses browser cookies optionally for logged-in downloads — all coherent with the stated purpose.
Instruction Scope
noteSKILL.md instructs editing the script to set MUSIC_DIR and optionally enabling cookie extraction from the local browser. That scope is expected for this task, but the cookie-extraction step is sensitive because it causes yt-dlp to read browser cookies (session tokens) from the user's browser profiles. The instructions also assume macOS-style install commands (brew) and do not provide alternatives for other OSes.
Install Mechanism
okThere is no install spec for the skill itself (instruction-only plus a small Python script). The README suggests using brew to install yt-dlp and ffmpeg — that’s a normal, low-risk recommendation, though platform-specific. The skill does not download or execute remote code itself.
Credentials
okThe skill does not request environment variables or external credentials. The only sensitive capability is optional browser cookie extraction (triggered by setting BROWSER), which is proportionate for accessing age-restricted/private content but should be considered sensitive because it exposes browser session cookies to yt-dlp.
Persistence & Privilege
okThe skill is not always-enabled and can only be invoked by the user or the agent per normal rules. It does not request persistent system privileges or modify other skills/configuration.