web-fetcher

name	web-fetcher
description	Smart web content fetcher - articles and videos from WeChat, Feishu, Bilibili, Zhihu, Toutiao, YouTube, etc. Triggers: '抓取文章', '下载网页', '保存文章', 'fetch URL', '下载视频', '抓取飞书文档', '抓取微信文章', '把这个链接内容保存下来', '下载B站视频', 'download video', 'scrape article'.

Web Fetcher

Smart web content fetcher for Claude Code. Automatically detects platform and uses the best strategy to fetch articles or download videos.

Quick Start

# Fetch an article
python3 {SKILL_DIR}/fetcher.py "URL" -o ~/docs/

# Download a video
python3 {SKILL_DIR}/fetcher.py "https://b23.tv/xxx" -o ~/videos/

# Batch fetch from file
python3 {SKILL_DIR}/fetcher.py --urls-file urls.txt -o ~/docs/

Install Dependencies

Install only what you need — dependencies are checked at runtime:

Dependency	Purpose	Install
scrapling	Article fetching (HTTP + browser)	pip install scrapling
yt-dlp	Video download	pip install yt-dlp
camoufox	Anti-detection browser (Xiaohongshu, Weibo)	pip install camoufox && python3 -m camoufox fetch
html2text	HTML to Markdown conversion	pip install html2text

Smart Routing

The fetcher automatically detects the platform from the URL:

Platform	Method	Notes
mp.weixin.qq.com	scrapling	Extracts data-src images, handles SVG placeholders
*.feishu.cn	Virtual scroll	Collects all blocks via scrolling, downloads images with cookies
zhuanlan.zhihu.com	scrapling	.Post-RichText selector
www.zhihu.com	scrapling	.RichContent selector
www.toutiao.com	scrapling	Handles toutiaoimg.com base64 placeholders
www.xiaohongshu.com	camoufox	Anti-bot protection requires stealth browser
www.weibo.com	camoufox	Anti-bot protection requires stealth browser
bilibili.com / b23.tv	yt-dlp	Video download, supports quality selection
youtube.com / youtu.be	yt-dlp	Video download
douyin.com	yt-dlp	Video download
Unknown URLs	scrapling	Generic fetch with fallback tiers

CLI Reference

python3 {SKILL_DIR}/fetcher.py [URL] [OPTIONS]

Arguments:
  url                    URL to fetch

Options:
  -o, --output DIR       Output directory (default: current)
  -q, --quality N        Video quality, e.g. 1080, 720 (default: 1080)
  --method METHOD        Force method: scrapling, camoufox, ytdlp, feishu
  --selector CSS         Force CSS selector for content extraction
  --urls-file FILE       File with URLs (one per line, # for comments)
  --audio-only           Extract audio only (video downloads)
  --no-images            Skip image download (articles)
  --cookies-browser NAME Browser for cookies (e.g., chrome, firefox)

Platform Notes

WeChat (mp.weixin.qq.com)

• Images use data-src attribute with mmbiz.qpic.cn URLs
• Visible <img> tags contain SVG placeholders (lazy loading)
• Image download requires Referer: https://mp.weixin.qq.com/ header
• Scrapling GET usually works; no browser needed

Feishu (*.feishu.cn)

• Uses virtual scroll — content blocks are rendered on-demand
• The fetcher scrolls through the entire document, collecting [data-block-id] elements
• Images require authenticated fetch (cookies), downloaded via browser's fetch API
• May show "Unable to print" artifacts which are auto-cleaned

Bilibili

• Short links (b23.tv) are auto-resolved
• For premium/member content, use --cookies-browser chrome
• Default quality is 1080p, adjustable with -q

Troubleshooting

Problem	Solution
scrapling not found	pip install scrapling
yt-dlp not found	pip install yt-dlp
Article content too short	Try --method camoufox for JS-heavy pages
Feishu returns login page	The doc may require authentication
Bilibili 403	Use --cookies-browser chrome
Image download fails	Check network; WeChat images need Referer header (auto-handled)

Manual Usage

When the CLI doesn't fit your needs, use the modules directly:

from lib.router import route, check_dependency
from lib.article import fetch_article
from lib.video import fetch_video
from lib.feishu import fetch_feishu

# Route a URL
r = route("https://mp.weixin.qq.com/s/xxx")
# {'type': 'article', 'method': 'scrapling', 'selector': '#js_content', 'post': 'wx_images'}

# Fetch article
fetch_article(url, output_dir="/tmp/out", route_config=r)

# Download video
fetch_video(url, output_dir="/tmp/out", quality="720")

# Fetch Feishu doc
fetch_feishu(url, output_dir="/tmp/out")