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Thumbnail optimizer

Skill OpenSIN-AI/OpenSIN-Skills/operations/media/thumbnail-optimizer

The world's largest open-source AI agent skill library — 280+ skills across 9 knowledge domains + 46 operational actions. Built on alirezarezvani/claude-skills + OpenSIN-AI.

Install
npx -y skills add OpenSIN-AI/OpenSIN-Skills --skill thumbnail-optimizer

Assembled from the repository path, not quoted from the project. Check it against their README if it does not work.

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What its author says it does

Copied from the file, not written here

This skill is kept only for backward compatibility.

SKILL.md

0.7 KB, as published. Nobody here has run it

/thumbnail-optimizer (deprecated)

This skill is kept only for backward compatibility. Use /gen-thumbnail instead.

/gen-thumbnail now contains the full thumbnail pipeline, the brand bootstrap, the A/B preview generator, and the CTR learning loop.

If you still need the record-keeping command, use: node ~/.config/opencode/skills/gen-thumbnail/scripts/track_ctr.js <Winner_A_or_B> <Winner_CTR> <Loser_CTR>

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