Nano Banana Pro

The nano-banana-pro skill generates new images from text descriptions or edits existing images using Google's Gemini 3 Pro Image API, supporting three resolution options (1K, 2K, 4K). It serves users who need to create or modify images through natural language requests, eliminating the need to manually interact with Google's image generation API. The skill handles both text-to-image generation and image-to-image editing workflows, automatically managing filenames and API authentication.

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skills.sh installs: 3.2K
GitHub stars: 301
last updated: Aug 21, 2026

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Install

$ npx -y skills add intellectronica/agent-skills --skill nano-banana-pro --agent claude-code

Installs into .claude/skills of the current project.

Files

Nano Banana Pro Image Generation & Editing

Generate new images or edit existing ones using Google's Nano Banana Pro API (Gemini 3 Pro Image).

Usage

Run the script using absolute path (do NOT cd to skill directory first):

Generate new image:

uv run ~/.claude/skills/nano-banana-pro/scripts/generate_image.py --prompt "your image description" --filename "output-name.png" [--resolution 1K|2K|4K] [--api-key KEY]

Edit existing image:

uv run ~/.claude/skills/nano-banana-pro/scripts/generate_image.py --prompt "editing instructions" --filename "output-name.png" --input-image "path/to/input.png" [--resolution 1K|2K|4K] [--api-key KEY]

Important: Always run from the user's current working directory so images are saved where the user is working, not in the skill directory.