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在 OpenClaw 中安装
/install youtube-subtitle-extractor
功能描述
Tải phụ đề (SRT/VTT/TXT) từ video YouTube bằng yt-dlp. Hỗ trợ auto-generated và manual subtitles, đa ngôn ngữ. Dùng khi user yêu cầu "Tải phụ đề video X", "G...
安全使用建议
This skill's code is small and consistent with subtitle extraction, but it has two practical issues to consider before installing:
1) Missing declared dependencies: The script runs the yt-dlp binary (and --convert-subs may require ffmpeg). The skill metadata does not list these required binaries. Install and verify yt-dlp (and ffmpeg if needed) from trusted sources before running.
2) Source provenance: SKILL.md recommends downloading raw files from a GitHub account. Verify the repository/author (mcbaivn) and review the fetched files yourself before running them. Prefer cloning a known repo tag or a signed release if available.
3) Disk and network behavior: Running the tool causes network downloads from YouTube (via yt-dlp) and writes files to your filesystem (Youtube_Subtitles/). If you run it against a channel without --limit, it may download many videos' subtitles; use --limit to avoid large downloads.
4) Safety posture: If you have concerns, run the script in a sandbox or isolated environment, inspect the downloaded script for unexpected functionality, and ensure yt-dlp/ffmpeg come from official sources. If you need help verifying the GitHub source or the binaries, ask for guidance.
功能分析
Type: OpenClaw Skill
Name: youtube-subtitle-extractor
Version: 1.0.0
The skill is a legitimate utility for downloading YouTube subtitles using the well-known 'yt-dlp' tool. The Python script 'extract_subtitles.py' implements safe subprocess handling and file processing, while the 'SKILL.md' file provides standard installation and usage instructions without any signs of prompt injection or malicious intent.
能力评估
Purpose & Capability
The skill's purpose is subtitle extraction, which legitimately requires an external downloader (yt-dlp) and often ffmpeg for conversions. However the registry metadata declares no required binaries and SKILL.md does not tell the user to install yt-dlp/ffmpeg. That mismatch (a tool that clearly depends on external binaries but doesn't declare them) is inconsistent and could surprise users.
Instruction Scope
SKILL.md and the script stay on-purpose: they instruct downloading the SKILL.md and script from a GitHub repo and running a local Python script which calls yt-dlp to fetch subtitles and write files to disk. The instructions do not ask the agent to read unrelated files, exfiltrate data to third-party endpoints, or access credentials.
Install Mechanism
Installation instructions are manual and fetch raw files from raw.githubusercontent.com (a common pattern). This is a moderate-risk pattern because it executes code pulled directly from a GitHub account without a release signature; verify the repository and commit history before running. There is no automated install spec, and no archive extraction from unknown URLs.
Credentials
The skill requires no environment variables or credentials, which is appropriate for its stated purpose. However it does rely on external binaries (yt-dlp and possibly ffmpeg) that are not declared in the metadata — this is not a credential leak but is a proportionality/declared-requirements omission.
Persistence & Privilege
The skill does not request 'always: true', does not modify other skills or system-wide agent settings, and does not persist credentials. It writes subtitle files to the local filesystem (Youtube_Subtitles/), which is expected behavior for this functionality.
如何使用
- 确保已安装 OpenClaw（本地或 Docker 部署）
- 在对话框中输入安装命令：
/install youtube-subtitle-extractor - 安装完成后，直接呼叫该 Skill 的名称或使用
/youtube-subtitle-extractor触发 - 根据 Skill 的参数说明提供必要输入，即可获得结构化输出
版本历史
v1.0.0
Initial release - MCB AI YouTube skills suite
元数据
常见问题
YouTube Subtitle Extractor 是什么？
Tải phụ đề (SRT/VTT/TXT) từ video YouTube bằng yt-dlp. Hỗ trợ auto-generated và manual subtitles, đa ngôn ngữ. Dùng khi user yêu cầu "Tải phụ đề video X", "G... 它是一个面向 Claude Code / OpenClaw 的 AI Agent Skill 插件，目前累计下载 129 次。
如何安装 YouTube Subtitle Extractor？
在 OpenClaw 或 Claude Code 对话框中运行命令「/install youtube-subtitle-extractor」即可一键安装，无需额外配置。
YouTube Subtitle Extractor 是免费的吗？
是的，YouTube Subtitle Extractor 完全免费，采用 MIT-0 许可证，可自由下载、安装和使用。
YouTube Subtitle Extractor 支持哪些平台？
YouTube Subtitle Extractor 跨平台运行，可在任意部署了 OpenClaw / Claude Code 的环境中使用（cross-platform）。
谁开发了 YouTube Subtitle Extractor？
由 MCB AI（@mcbaivn）开发并维护，当前版本 v1.0.0。
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