Open-source repositories gaining traction right now.
17 repositories
#prompt-engineering
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.

21 Lessons, Get Started Building with Generative AI

🪨 why use many token when few token do trick — Claude Code skill that cuts 65% of tokens by talking like caveman

Extracted system prompts from Anthropic - Claude Fable 5, Opus 4.8, Claude Code, Claude Design. OpenAI - ChatGPT 5.5 Thinking, GPT 5.5 Instant, Codex. Google - Gemini 3.5 Flash, 3.1 Pro, Antigravity. xAI - Grok, Cursor, Copilot, VS Code, Perplexity, and more. Updated regularly.

Academic Research Skills for Claude Code: research → write → review → revise → finalize

Star github / awesome-copilot Community-contributed instructions, prompts, and configurations to help you make the most of GitHub Copilot.

Claude Code skill that removes signs of AI-generated writing from text

🪢 Open source LLM engineering platform: LLM Observability, metrics, evals, prompt management, playground, datasets. Integrates with OpenTelemetry, Langchain, OpenAI SDK, LiteLLM, and more. 🍊YC W23

Star mlflow / mlflow The open source developer platform to build AI agents and models with confidence. Enhance your AI applications with end-to-end tracking, observability, and evaluations, all in one integrated platform.

What are the principles we can use to build LLM-powered software that is actually good enough to put in the hands of production customers?

+180 production-ready skills & plugins for Claude Code, OpenAI Codex, and OpenClaw — engineering, marketing, product, compliance, C-level advisory, and more. Install via /plugin marketplace.

Test your prompts, agents, and RAGs. Red teaming/pentesting/vulnerability scanning for AI. Compare performance of GPT, Claude, Gemini, Llama, and more. Simple declarative configs with command line and CI/CD integration.

Structured Outputs

The GEP-Powered Self-Evolution Engine for AI Agents. Genome Evolution Protocol. | evomap.ai

Compress tool outputs, logs, files, and RAG chunks before they reach the LLM. 60-95% fewer tokens, same answers. Library, proxy, MCP server.

18 AI personas deliberate your hardest decisions across multiple LLM providers. Aristotle, Feynman, Kahneman, Torvalds & more — structured multi-round deliberation with genuine model diversity. One command: /council

Pack your entire codebase into a single AI-friendly file. Feed your repo to Claude, ChatGPT, Gemini with cost estimation and built-in prompt templates.
Paste a github.com URL. Submissions are reviewed before they are tracked.