yt-thumbnail-grabber

What This Skill Does

The yt-thumbnail-grabber is a powerful OpenClaw AI agent skill designed to streamline the retrieval of YouTube video thumbnails. Whether you are conducting competitive research, designing content assets, or building a video database, this skill automates the process of fetching preview images across various resolutions. It supports both command-line integration through yt-dlp and direct URL pattern matching, ensuring you get the exact image quality you need without the overhead of downloading the full video files.

Installation

To install this skill directly within your OpenClaw environment, execute the following command in your terminal:

clawhub install openclaw/skills/skills/sakaen736jih/yt-thumbnail-grabber

Additionally, for full functionality, please ensure yt-dlp is installed on your system by running: pip install yt-dlp

Use Cases

This skill is indispensable for several professional workflows. Social media managers can quickly download high-quality thumbnails for social media previews. Content creators can pull reference images for aesthetic inspiration or thumbnail A/B testing. Developers can use it to build automated systems that track video trends or organize large video archives by visual metadata. It is also perfect for creating collages, mood boards, or generating dynamic preview cards for web applications.

Example Prompts

1. "Grab the high-resolution thumbnail for the YouTube video at this URL: https://www.youtube.com/watch?v=dQw4w9WgXcQ and save it as thumbnail.jpg."
2. "Download the thumbnails for all videos listed in this playlist: [PLAYLIST_URL], making sure to skip the actual video download."
3. "List all available thumbnail resolutions for this video ID: dQw4w9WgXcQ and show me the link to the max resolution image."

Tips & Limitations

Note that maximum resolution images (maxresdefault) are not always available for every YouTube video, particularly older uploads or videos with restricted settings. Always provide a fallback preference in your scripts or prompts. When processing large playlists, be mindful of YouTube's rate limits to avoid temporary API blocks. Use the --dump-json flag to inspect metadata if you need specific details like channel info or exact aspect ratios before initiating the download. Keep your yt-dlp version updated regularly to ensure compatibility with YouTube's evolving backend structure.