openai-image-gen
About
This Claude Skill generates images using OpenAI's DALL-E 2, DALL-E 3, and GPT Image models via their API. It supports batch generation with random prompt sampling and outputs an HTML gallery for easy viewing. Use it when you need to create images through OpenAI and have an OPENAI_API_KEY available.
Quick Install
Claude Code
Recommendednpx skills add swarmclawai/swarmclaw -a claude-code/plugin add https://github.com/swarmclawai/swarmclawgit clone https://github.com/swarmclawai/swarmclaw.git ~/.claude/skills/openai-image-genCopy and paste this command in Claude Code to install this skill
Documentation
OpenAI Image Gen
Generate images via the OpenAI Images API with an HTML gallery viewer.
Run
Note: Image generation can take longer than typical timeouts. Set a higher timeout when running via shell (e.g., 300 seconds).
python3 {baseDir}/scripts/gen.py
Useful Flags
# GPT image models with various options
python3 {baseDir}/scripts/gen.py --count 16 --model gpt-image-1
python3 {baseDir}/scripts/gen.py --prompt "ultra-detailed studio photo of a lobster astronaut" --count 4
python3 {baseDir}/scripts/gen.py --size 1536x1024 --quality high --out-dir ./out/images
python3 {baseDir}/scripts/gen.py --model gpt-image-1.5 --background transparent --output-format webp
# DALL-E 3 (note: count is automatically limited to 1)
python3 {baseDir}/scripts/gen.py --model dall-e-3 --quality hd --size 1792x1024 --style vivid
python3 {baseDir}/scripts/gen.py --model dall-e-3 --style natural --prompt "serene mountain landscape"
# DALL-E 2
python3 {baseDir}/scripts/gen.py --model dall-e-2 --size 512x512 --count 4
Model-Specific Parameters
Size
- GPT image models (
gpt-image-1,gpt-image-1-mini,gpt-image-1.5):1024x1024,1536x1024(landscape),1024x1536(portrait), orauto. Default:1024x1024 - dall-e-3:
1024x1024,1792x1024, or1024x1792. Default:1024x1024 - dall-e-2:
256x256,512x512, or1024x1024. Default:1024x1024
Quality
- GPT image models:
auto,high,medium, orlow. Default:high - dall-e-3:
hdorstandard. Default:standard - dall-e-2:
standardonly
Other Parameters
- GPT image models support
--background(transparent,opaque,auto) and--output-format(png,jpeg,webp) - dall-e-3 supports
--style(vividfor hyper-real,naturalfor more natural looking) - dall-e-3 only supports
n=1; the script automatically limits count to 1
Output
- Image files (
*.png,*.jpeg, or*.webpdepending on model and format) prompts.json(prompt-to-file mapping)index.html(thumbnail gallery — open in browser to review)
GitHub Repository
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