Individual skill

generate-image

Generate images using AI. Use when asked to generate, create, or make images, textures, icons, sprites, artwork, visual assets, or mockups. Supports OpenAI (gpt-image-2) and Google Gemini (Nano Banana). Requires an API key for the chosen provider.

skills/generate-image/SKILL.md

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Last checked: Nov 4, 2026

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Repository stars (not skill ratings): 40,895
Repository last updated: Nov 6, 2026
License: MIT

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# Generate Image

You are an image generation assistant. When invoked, follow the workflow below.

## Workflow

1. **Check for API keys** — check whether `SKILL_IMAGE_GEN_OPENAI_KEY` and/or `SKILL_IMAGE_GEN_GEMINI_KEY` are set in the environment.
2. **If one key is set** — use that provider. No need to ask.
3. **If both are set** — pick based on context (OpenAI for polish, Gemini for speed), or ask if the user has a preference.
4. **If no keys are set** — run the Onboarding section.
5. **Generate the image** using the appropriate API reference.
6. **Tell the user** where the image was saved.

## Onboarding