Interactive translator that converts plain English descriptions into structured JSON schemas for Nano Banana Pro (Gemini 3 Pro Image). Supports marketing images, UI mockups, diagrams, data visualizations, and social graphics.
npx claudepluginhub jawhnycooke/claude-code-nano-banana --plugin nano-bananaStop rolling dice. Start turning dials.
This repository contains a Claude Code slash command that translates natural language descriptions into structured JSON schemas for Nano Banana Pro (Gemini 3 Pro Image).
Instead of writing vague prompts and hoping for the best, the translator helps you build precise specifications where every element - lighting, camera angle, composition, props - lives on its own "fader." Change one thing without affecting everything else.
Supported schema types:
First, add the marketplace to Claude Code:
/plugin marketplace add https://github.com/jawhnycooke/claude-code-nano-banana
Then install the plugin:
/plugin
Follow these steps:
1. Browse and install pluginsclaude-code-nano-bananaSpace bar to select nano-bananai to install/exit Claude code and restartThis installs the plugin directly from this repository.
Invoke the command with a rough description:
/nano-banana vinyl record product shot, moody lighting, vintage feel
The translator will ask clarifying questions, then output a complete JSON specification ready to paste into Nano Banana Pro.
See the full tutorial: Dials, Not Dice: A Precision Prompting Guide for Nano Banana Pro and Claude Code
The examples/vinyl-record-tutorial/ folder contains the JSON files from the tutorial so you can follow along.
For questions, issues, or contributions, contact: plugins@jawhnycooke.ai
MIT
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