12 open-source projects share topics or a category with prompt-optimizer. Each comparison below is drawn from recorded GitHub metadata — language, license, activity and review status. None of them is a judgement about which is better for you.
Stop writing prompts from scratch — a searchable prompt library for ChatGPT, Claude, Gemini and Cursor · Русский 한국어 العربية हिन्दी ไทย | 别再从头写提示词:现成的拿来就用,好用的收进自己的库
Choose ChatGPT-Shortcut if…
you need a detected license — this one reports MIT License
you want something your agent can install directly rather than a library to wire up yourself
you prefer a smaller, narrower project to a large one
you specifically need ai-prompt or aigc
Shares ai-prompts, ai-tools, prompt, prompt-engineering with prompt-optimizer.
Practical patterns, starters & CLI tools for loop engineering with AI coding agents. Design systems that prompt and orchestrate agents (inspired by Addy Osmani and Boris Cherny). Includes loop-audit, loop-init, loop-cost.
Choose loop-engineering if…
you need a detected license — this one reports MIT License
you prefer a smaller, narrower project to a large one
you specifically need agentic-ai or ai-agents
Shares llm, prompt-engineering with prompt-optimizer.
f.k.a. Awesome ChatGPT Prompts. Share, discover, and collect prompts from the community. Free and open source — self-host for your organization with complete privacy.
Choose prompts.chat if…
you would rather work in HTML than TypeScript
you want the more widely starred option (175.7k)
you specifically need ai or artificial-intelligence
Shares llm, prompt-engineering with prompt-optimizer.
Universal provider proxy for OpenAI Codex & Claude Code — use any LLM (Claude, Gemini, Grok, DeepSeek, Ollama…) with Codex CLI, App, SDK, and Claude Code
Choose opencodex if…
you need a detected license — this one reports MIT License
you prefer a smaller, narrower project to a large one
Compress tool outputs, logs, files, and RAG chunks before they reach the LLM. 20% fewer tokens for coding agents, 60-95% fewer tokens for JSON, same answers. Library, proxy, MCP server.
Choose headroom if…
you would rather work in Python than TypeScript
you need a detected license — this one reports Apache License 2.0
you want something your agent can install directly rather than a library to wire up yourself
you want the more widely starred option (78.7k)
Shares llm, prompt-engineering with prompt-optimizer.