Nano Banana Pro MCP

#!/usr/bin/env npx ts-node --esm /** * Manual test script for the Gemini image generation. * * Usage: * GEMINI_API_KEY=your_key npx ts-node --esm scripts/test-generate.ts "a cute cat" */ import { GeminiImageClient } from "../src/gemini.js"; import { writeFileSync } from "fs"; async function main() { const apiKey = process.env.GEMINI_API_KEY; if (!apiKey) { console.error("Error: Set GEMINI_API_KEY environment variable"); process.exit(1); } const prompt = process.argv[2] || "a beautiful sunset over mountains"; console.log(`Generating image for: "${prompt}"`); const client = new GeminiImageClient(apiKey); try { // Note: aspectRatio and imageSize only work with image-specific models // like gemini-3-pro-image-preview or gemini-2.5-flash-preview-05-20 const result = await client.generateImage({ prompt, }); const filename = "test-output.png"; const buffer = Buffer.from(result.base64Data, "base64"); writeFileSync(filename, buffer); console.log(`✓ Image saved to ${filename}`); console.log(` MIME type: ${result.mimeType}`); console.log(` Size: ${buffer.length} bytes`); if (result.description) { console.log(` Description: ${result.description}`); } } catch (error) { console.error("Error:", error instanceof Error ? error.message : error); process.exit(1); } } main();