Nano Banana

Use this skill for image generation work through the Gemini CLI Nano Banana extension.

Workflow

1. Confirm the request shape.

• Identify whether the user wants generate, edit, restore, icon, diagram, pattern, or story.
• Extract the asset goal, target aspect ratio, style direction, and number of variations.
• If the user gives only a rough idea, turn it into one precise prompt plus one fallback variation.

2. Verify the local toolchain before first use.

• Read setup.md if the extension has not been verified in this environment.
• Confirm gemini is installed, the nanobanana extension is available, and GEMINI_API_KEY is set.
• If setup is missing, stop and report the exact missing prerequisite.