generate-youtube-thumbnaillisted

# Generate YouTube Thumbnail A reusable workflow for creating YouTube thumbnails via Novoads' `POST /v1/images` with `nano-banana-pro`, with proper character likeness and proven CTR formulas. ## When to use this skill Trigger on phrases like: - "make me a YouTube thumbnail" - "create a thumbnail for this video" - "I need thumbnail variations / A/B tests" - "remake this thumbnail with my face" - "generate 10 thumbnail concepts" - "thumbnail with [me / my product / my brand]" ## Read order Paths below are **relative to this skill's own folder**, and every file they name ships inside it. That holds wherever the folder lands: the repo, the `.claude/skills/` and `.cursor/skills/` copies `sync-skill.sh` makes, or a standalone install of just this skill. 1. **This file** — workflow, decision tree, batch generation 2. `prompting/guide.md` — likeness alignment, expressions cheat sheet, prompt structure 3. `prompting/formulas.md` — 5 proven thumbnail formulas with templates 4. `scripts/generate-batch.sh` — the batch script (upload once → generate → download) For the API contract itself — error codes, rate limits, the upload flow — the `novoads-api` skill's `reference.md` is the authority. ## Prerequisites - `.env` with `NOVOADS_API_KEY` (`novo_` + 64 hex). Verify with `./scripts/check-novoads-env.sh`. - Optional `PRODUCT_ID`. Omit it and jobs land in your default product; `productId` is organizational only and does not influence what is generated. - Reference images on disk (N