Show HN: Prompt Builder – Free Templates Prompt Builder, a free and open prompt library, launched with copy-ready, modular prompt templates featuring dynamic variables for ChatGPT, Claude, Gemini, and other major AI models. The library offers 0+ templates across 0+ categories and 0+ subcategories, all 100% free. Free & Open Prompt Library Prompt Templates Engineered to Perform Copy-ready, modular prompt templates with dynamic variables - crafted for ChatGPT, Claude, Gemini, and every major AI model. All templates include structured blocks and variables for instant personalization. 0+Templates 0+Categories 0+Subcategories 100%Free