Visualize LLM outputs against datasets, manually annotate results, and run automated evaluations to algorithmically optimize prompts.

TOON for TYPO3 — a compact, human-readable, and token-efficient data format for AI prompts & LLM contexts. Perfect for ChatGPT, Gemini, Claude, Mistral, and OpenAI integrations (JSON ⇄ TOON).

RePRo - The Refined Prompt Enhancer | AI Prompt Engineering Chrome Extension for ChatGPT, Claude, Gemini, Midjourney, DALL-E, Sora | prompt enhancer | prompt optimizer

prompt optimizer ( 免费高效的提示词优化工具 ),A free and efficient prompt optimization tool, which can maximize the quality of prompts and thus improve the output performance of LLM. 能够最大限度改善提示词的质量，进而提升LLM输出效果。

AI 提示词优化助手 - 包含 57 个精选框架，帮助创建结构化、高质量的 AI 提示词

Full guide on claude tips and tricks and how you can optimise your claude code the best & strive to find every command possible even hidden ones!

LLM Playground - Demo Solution

A curated collection of fun and creative examples generated with Nano Banana🍌, Gemini-2.5-flash-image based model. We also release Nano-consistent-150K openly to support the community's development of image generation and unified models(click to website to see our blog)

Auto prompt optimizer consisting of two specialized agents working together to enhance user prompts.

Collection of leaked system prompts

This project is a full-stack application that allows users to generate, optimize, and manage AI prompts using popular AI providers (e.g., Gemini, GPT, Claude). It provides a modern frontend built with React + Material UI and a backend powered by FastAPI. Users can generate optimized prompts, view their history, and copy results easily.

A Claude Code plugin that automatically captures everything Claude does during your coding sessions, compresses it with AI (using Claude's agent-sdk), and injects relevant context back into future sessions.

Collection of extracted System Prompts from popular chatbots like ChatGPT, Claude & Gemini

⚡️ 基于 Google Gemini 2.5 的单文件提示词优化工坊。 🚀 纯 HTML/JS 无需构建，下载即用。 ✨ 核心功能：提示词智能评分、高级结构化重写（CoT/XML）及一键实时测试。 🛡️ 支持自动同步最新模型，API Key 本地存储，隐私安全。

A curated list of resources for using LLMs to develop more competitive grant applications.

Awesome curated collection of images and prompts generated by GPT-4o and gpt-image-1. Explore AI generated visuals created with ChatGPT and Sora, showcasing OpenAI’s advanced image generation capabilities.

Hybrid LLM router: local+cloud models with meta-routing,memory, FastAPI UI, and FAISS; integrates Ollama and OpenAI.

AI-powered prompt engineering optimizer - transforms basic prompts into platform-specific gold

FULL v0, Cursor, Manus, Same.dev, Lovable, Devin, Replit Agent, Windsurf Agent, VSCode Agent, Dia Browser & Trae AI (And other Open Sourced) System Prompts, Tools & AI Models.