JSON Prompt Engine
JSON Prompt Engine v1.1 - Structured AI prompts
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JSON Prompt Engine - Build perfect AI prompts for any model

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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

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Hi Product Hunt! 👋 I'm Flor, graphic designer and developer from Buenos Aires. I built JSON Prompt Engine because I was tired of writing AI prompts from scratch every time — and getting inconsistent results across different models. New in v1.1: an AI chatbot where you describe your idea in any language and it automatically fills all fields with the optimized prompt for each model. Would love your feedback — what models or features would you like to see next? 🙏