Agentic Development

OpenAI API Key

Enter your OpenAI API key to use GPT-5.4 Mini for code generation. Your key is stored locally in your browser.

Get your API key at platform.openai.com

An AI-powered code generator that uses OpenAI’s GPT-5.4 Mini model to build real Astro websites with React islands. The AI generates .astro pages with frontmatter, layouts with <slot />, and .tsx React components hydrated via client:load. Navigation between pages uses Astro’s file-based routing.

Details

Explore

  1. Enter your OpenAI API key when prompted (get one at platform.openai.com)
  2. The preview starts with a two-page Astro site — click “About” in the nav to navigate
  3. Ask for changes like “Add a Contact page with a form” or “Make the hero section dark themed”
  4. The AI outputs only the files it changes — pages, components, or layouts
  5. Use the file explorer to inspect .astro pages, the layout, and the React Counter island
  6. Edit files directly in the code editor and hit save to see changes instantly