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Nanobanana Skill

feiskyer/claude-code-settings

A straightforward wrapper around Google's Gemini image generation API that lets Claude create and edit images through Python commands. You get the full range of Gemini's aspect ratios (including that 21:9 ultra-wide), resolution options up to 4K, and both the fast flash model and the slower pro model with reasoning capabilities. The skill handles the boilerplate of asking users for prompts and parameters, then runs the nanobanana.py script with the right flags. Requires a Gemini API key and Python dependencies installed. It's basically plumbing to make Gemini's image features accessible in Claude conversations without manually formatting API calls yourself.

skills.sh installs
330
GitHub stars
1.7K
last updated
Aug 21, 2026
View on GitHub

Install

$ npx -y skills add feiskyer/claude-code-settings --skill nanobanana-skill --agent claude-code

Installs into .claude/skills of the current project.

Files

Nanobanana Image Generation Skill

Generate or edit images using Google Gemini API through the nanobanana tool.

Requirements

  1. GEMINI_API_KEY: Must be configured in ~/.nanobanana.env or export GEMINI_API_KEY=<your-api-key>
  2. Python3 with dependent packages installed: google-genai, Pillow, python-dotenv. They could be installed via python3 -m pip install -r ${CLAUDE_SKILL_DIR}/requirements.txt if not installed yet.
  3. Executable: ${CLAUDE_SKILL_DIR}/nanobanana.py

Instructions

For image generation

  1. Ask the user for:

    • What they want to create (the prompt)
    • Desired aspect ratio/size (optional, defaults to 9:16 portrait)
    • Output filename (optional, auto-generates UUID if not specified)
    • Model preference (optional, defaults to gemini-nano-banana-2.1)
    • Resolution (optional, defaults to 1K)

  2. Run the nanobanana script with appropriate parameters:

    python3 ${CLAUDE_SKILL_DIR}/nanobanana.py --prompt "description of image" --output "filename.png"

  3. Show the user the saved image path when complete

For image editing

SKILL.md on GitHub

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Details

Repository
github.com/feiskyer/claude-code-settings
License
MIT
First seen
Jun 3, 2026

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