Nano Banana Blockrun — Development skill for Claude Code

Nano Banana by BlockRun

A Claude Code skill for generating images using Google's Nano Banana model via x402 micropayments.

What is this?

This skill lets Claude Code generate images for you using:

• Google Nano Banana - Fast, affordable image generation ($0.05/image)
• Google Nano Banana Pro - Higher quality, up to 4K ($0.10/image)
• OpenAI DALL-E 3 - High quality generation ($0.04-0.12/image)

No API keys needed - just USDC on Base for pay-per-image.

Installation

As Claude Code Skill

Copy to your skills directory:

git clone https://github.com/BlockRunAI/nano-banana-blockrun.git ~/.claude/skills/nano-banana-blockrun

Setup

1. Install the Python SDK:

   pip install blockrun-llm

2. Get USDC on Base network:

   • Bridge from Ethereum: https://bridge.base.org
   • Or buy directly on Coinbase and withdraw to Base
   • You need ~$1-5 USDC to start

3. Configure your wallet:

   # Copy the example env file
   cp .env.example .env
   
   # Edit .env and add your private key
   BLOCKRUN_WALLET_KEY=0x...

   Or export directly:

   export BLOCKRUN_WALLET_KEY=0x...

**Network:** Base (Chain ID: 8453) | **Payment:** USDC only

Usage

In Claude Code, just ask:

"Generate an image of a sunset over mountains"

Claude will use this skill automatically.

Manual Usage

from blockrun_llm import ImageClient

client = ImageClient()
result = client.generate("a cute cat wearing a space helmet")
print(result.data[0].url)

Or use the script:

python scripts/generate.py "a cute cat wearing a space helmet"
python scripts/generate.py "a futuristic city" google/nano-banana-pro

Example

Here's an image generated with this skill. When asked to "imagine your current thoughts and create a prompt", Claude Code generated:


**Claude's prompt:** "An ethereal library floating in a digital void, where glowing streams of code fl