JSON Prompt Engine is a professional fullstack tool for building structured prompts for AI image and video models. New in v1.1: Built-in AI Prompt Assistant powered by Claude (Anthropic). Describe your idea in Spanish, English or any language — it automatically fills all fields with the correct syntax for each model. Built with Next.js 14 · TypeScript · Node.js · PostgreSQL · Vercel + Railway · Anthropic API Scaffolded with Bolt.new · Developed with Claude Code

JSON Prompt Engine helps creatives generate structured, model-specific AI prompts instantly — without guessing. New in v1.1: Built-in AI chatbot. Describe your idea in any language and it automatically fills all fields with the perfect prompt for Midjourney, Runway, Seedance, Stable Diffusion, Gemini, Sora and more. No more trial and error. Just describe → generate → copy.