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Show HN: Open-source AI prompt engineering workbench with systematic evaluation

Hacker News - AI
Jul 6, 2025 12:22
insaaniManav
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Summary

PromptForge is an open-source AI prompt engineering workbench designed to bring systematic evaluation and software engineering discipline to prompt development, featuring AI-assisted prompt generation, automated test suites, and multi-model support. Its robust evaluation system tests prompts for robustness, safety, factual accuracy, and creativity, addressing a major pain point in manual prompt engineering. The tool’s popularity on Product Hunt highlights a growing demand for advanced, developer-friendly prompt engineering solutions in the AI community.

PromptForge: Open-source AI prompt engineering workbench with systematic evaluation I built PromptForge after getting frustrated with the manual trial-and-error approach to prompt engineering. Most tools are just text editors, but I wanted something that brings software engineering discipline to prompt development. Key technical features: - AI-assisted prompt generation (stop starting from scratch) - Systematic evaluation engine that auto-generates test suites - Multi-model support (Claude, GPT-4, Azure OpenAI) - Go backend with SQLite for performance and simplicity - One-line Docker deployment The evaluation system automatically tests for robustness, safety, factual accuracy, and creativity across different scenarios. Think unit testing but for prompts. Currently #1 on Product Hunt today after 5+ hours, which validates that developers need better prompt engineering tools. Open source (GPLv3): https://github.com/insaanimanav/promptforge Demo: https://demo.arcade.software/bFGTYb7AuRV33K
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