Nano Banana Plugin

Python scripting and Gemini image generation using uv with inline script dependencies.

Features

• Image Generation: Generate images using Google's Gemini models
• Image Editing: Edit existing images with AI
• Python Scripting: Run Python scripts with uv using heredocs
• Inline Dependencies: Self-contained scripts with # /// script metadata

Prerequisites

• uv installed
• GOOGLE_API_KEY environment variable set with a valid Gemini API key

Usage

The skill activates when you ask Claude to generate images or run Python scripts. Example triggers:

• "Generate an image of..."
• "Create a picture..."
• "Draw..."
• "nano banana"

Quick Example

uv run - << 'EOF'
# /// script
# dependencies = ["google-genai", "pillow"]
# ///
from google import genai
from google.genai import types

client = genai.Client()

response = client.models.generate_content(
    model="gemini-2.5-flash-image",
    contents=["A cute banana character"],
    config=types.GenerateContentConfig(
        response_modalities=['IMAGE']
    )
)

for part in response.parts:
    if part.inline_data is not None:
        part.as_image().save("tmp/output.png")
        print("Saved: tmp/output.png")
EOF

Installation

claude plugins add cc-handbook/handbook-nano-banana

Resources

• Official Prompting Guide - Learn how to structure your prompts effectively.
• How to prompt Nano Banana Pro