gpt-image-generation

GPT Image Generation

Run the bundled Node CLI from this skill directory.

Workflow

1. Work from the skill root that contains this SKILL.md.
2. Ensure codex login has created ~/.codex/auth.json.
3. Generate images with:

node ./scripts/cli.js \
  --prompt-file ./prompt.md \
  --size 3840x2160 \
  --quality high \
  --output ./outputs/storyboard-4k.png

1. Use --prompt for inline text or --prompt-file to read the prompt verbatim from disk.
2. Treat 4K as 3840x2160 or 2160x3840.
3. Report the absolute output path after generation.

Notes

• Keep the prompt text unchanged when the user provides a finished prompt file.
• The runtime entrypoint is scripts/cli.js; supporting validation tests live in scripts/test.js.
• The CLI reads the local Codex login from ~/.codex/auth.json.
• The CLI does not hardcode or derive any OAuth client identity; if the local access_token is near expiry, rerun codex login before generation.
• The CLI writes PNG files and prints the backend-reported size when available.
• If the request fails with size validation, adjust width and height so both are divisible by 16.