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modelscope.cn

simple-video-downloader

Video downloader skill powered by yt-dlp. Downloads videos from Bilibili, YouTube, Twitter, Twitch and 1700+ sites. Use when user wants to download videos, extract audio, or get video metadata from any supported platform.

Installation

$ npx skills add https://modelscope.cn
View on skills.sh ↗ Website ↗

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More details

Agent compatibility

Declared targets from SKILL.md / docs. Unmarked agents are not listed — the skill may still install via the CLI.

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Package contents

Files included with this skill beyond the listing page.

  • skill md SKILL.md 2,138 B

History

  1. First recorded snapshot · 0 installs

SKILL.md

Simple Video Downloader

Built on yt-dlp - a powerful open-source video downloader.

Prerequisites

This skill requires yt-dlp to be installed. Before proceeding:

  1. Check if yt-dlp is available:

``bash yt-dlp --version ``

  1. If not installed, let the user decide how to handle it:

- Install via: pip install yt-dlp or download binary from yt-dlp releases - If user has no Python, they may prefer alternative approaches (browser extensions, online services, etc.)

Do not install yt-dlp for the user. Let them choose their preferred method.

Workflow

  1. Get info: Run yt-dlp -j <URL> for metadata, yt-dlp -F <URL> for available formats
  2. Analyze: Check resolution, duration, chapters, subtitles/danmaku availability
  3. Ask user: Use question tool to confirm options
  4. Build command: Construct and execute the download command

Common Options

Option Purpose
-f "bestvideo+bestaudio" Best quality video + audio merge
--write-subs --sub-lang danmaku Download danmaku (Bilibili)
--write-thumbnail --embed-thumbnail Download and embed cover
--embed-metadata Embed video metadata
-x --audio-format mp3 Extract audio as MP3
--cookies-from-browser chrome Use browser cookies for premium content

Output

Save to _Output/ directory:

-o "_Output/%(title)s [%(id)s].%(ext)s"

Tips

  • Chapters: Embedded in video by default. Do NOT use --split-chapters (creates messy leftover files)
  • Bilibili: 4K/1080P60 requires premium membership. Ask about danmaku preference
  • Verify: Use ffprobe to check downloaded file details

Reference

For detailed yt-dlp options, see: [references/usage-guide.md](references/usage-guide.md)