Thumbnail Video | Agent Skills Atlas

About this skill

Generate YouTube thumbnails (1280×720 JPEG) from a video. Picks frames via scene detection, overlays caption text using HTML/CSS rendered by headless Chrome, outputs multiple variants for YouTube A/B testing. Use when the user says "make a thumbnail", "generate thumbnails", "thumbnail for this video", or any variant of "youtube thumbnail".

Quick start

Copy the install prompt. Use the green button above this README.
Send it to your agent. Paste it into your coding agent’s chat and send.
Review the setup. Your agent checks the skill’s instructions, requirements, and installation scope.

Installation guide →

Review, license & listing details

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This is an imported listing. We haven’t certified its safety, license, or compatibility. Skills may include executable scripts.

Automated security scan: Partial

Only SKILL.md was scanned. Supporting files and scripts were not checked. No safety grade has been assigned.

0 potential findings · Scanned 11/4/2026 · Scanner 0.2.1

Content SHA-256: c1802c83e82b6261502bd48b6f7ee267df39456cff656a5eeab1df9c878f27db

About scan coverage and limitations

Original listing metadata

Original name

thumbnail-video

Original description

About this listing

Category: Engineering
Reported license: MIT
Listing language (estimated): English
Review status: Not individually reviewed
Agent compatibility: Atlas installation supports Claude Code, Codex, and Cursor. Skill-specific dependencies and features are checked during setup.