openclaw/bilibili-ai-subtitle
54lynnn/bilibili-ai-subtitle/SKILL.md
Download Bilibili AI-generated subtitles (auto-subtitles) for videos. Use when you need to quickly get subtitles from Bilibili videos that have AI-generated captions. Supports 9 languages: Chinese, English, Japanese, Spanish, Arabic, Portuguese, Korean, German, French. Language priority can be customized.
$ install --global
skillsauthnpx skillsauth add openclaw/skills bilibili-ai-subtitleInstall this skill globally with one command. Works with Claude Code, Cursor, and Windsurf.
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TrivyContainer and dependency vulnerability scanner
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Last scanned: Apr 3, 2026, 7:08 AM4.9s1 file scanned
SKILL.md
Bilibili AI Subtitle Downloader v2.0
Download AI-generated subtitles from Bilibili videos quickly.
What This Skill Does
This skill downloads AI-generated subtitles (自动生成的字幕) from Bilibili videos. These are subtitles automatically created by Bilibili's AI system, not manually uploaded by creators.
Key improvements from v1.x:
- ✅ Customizable language priority (e.g., prefer English over Chinese)
- ✅ Better filename format:
Title_Author_Date_Duration_BVid.txt - ✅ Three-part document structure (Info, Summary, Full Text)
- ✅ Improved UTF-8 filename handling
- ✅ Better WSL Chromium/Windows Edge Cookie support
Supported AI Languages
Bilibili uses ai- prefix for AI-generated subtitles:
| Code | Language | 语言 |
|------|----------|------|
| ai-zh | Chinese | 中文 |
| ai-en | English | 英文 |
| ai-ja | Japanese | 日文 |
| ai-es | Spanish | 西班牙文 |
| ai-ar | Arabic | 阿拉伯文 |
| ai-pt | Portuguese | 葡萄牙文 |
| ai-ko | Korean | 韩文 |
| ai-de | German | 德文 |
| ai-fr | French | 法文 |
Usage
Basic Usage
./scripts/bilibili_ai_subtitle.sh "https://www.bilibili.com/video/BVxxxxx/"
Specify Language Priority
# Prefer English, fallback to Chinese
./scripts/bilibili_ai_subtitle.sh -l en,zh "BVxxxxx"
# Prefer Japanese
./scripts/bilibili_ai_subtitle.sh --lang ja "BVxxxxx"
# Multiple languages in order of preference
./scripts/bilibili_ai_subtitle.sh -l en,zh,ja,es "BVxxxxx"
Output
File name format: VideoTitle_Author_Date_Duration_BVid.txt
File structure:
第一部分：视频信息
├── 视频标题
├── B站链接
├── 作者
├── 发布时间
├── 视频时长
├── 原视频语言
└── 转录来源
第二部分：视频摘要
└── 自动生成的内容摘要
第三部分：完整原文
└── 完整字幕文本
Setup
Browser Cookie (Recommended)
For accessing member-only videos, log in to Bilibili in:
- WSL Chromium (preferred):
chromium-browser & - Windows Edge: Log in normally
The script will automatically detect and use available cookies.
Requirements
yt-dlpinstalled- Optional: Browser with Bilibili login (for member-only videos)
Notes
- AI subtitles are generated automatically by Bilibili's system
- Accuracy varies (typically 85-95% for clear speech)
- Not all videos have AI subtitles available
- Some videos may require membership to access AI subtitles
Comparison with bilibili-transcript
| Feature | bilibili-ai-subtitle | bilibili-transcript | |---------|---------------------|---------------------| | Purpose | Download AI subtitles only | Full transcription workflow | | Speed | ⚡ Fast (instant download) | Varies (subtitles → Whisper) | | Subtitle sources | AI only | CC → AI → Whisper | | Use case | Quick subtitle grab | Complete transcription | | Dependencies | yt-dlp only | yt-dlp + optional Whisper |
Recommendation: Use bilibili-ai-subtitle for quick AI subtitle download, use bilibili-transcript when you need complete transcription (including voice transcription for videos without subtitles).
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