44,817 repositories keep their own agent configuration in the open: a CLAUDE.md, a rules file, instructions for Copilot, a skill the project runs on itself. These are not mods to install. They are worth reading for what they reveal — what a maintainer thinks an agent gets wrong.
Building agents8,442Claude Code6,875Data and AI3,584Git and workflow3,574Backend and APIs3,550Languages3,468Planning3,315Code review2,876Testing2,653DevOps and cloud2,462Writing and docs2,461Memory and context2,373Research2,315Frontend2,301Security2,167Project management1,944
All Claude Code32,436 Codex24,692 OpenCode23,614 GitHub Copilot3,700 Gemini CLI2,016 Cursor1,769 Windsurf202 Kiro113
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| iii-hq/iii iii.dev Effortlessly compose, extend, and observe every service in real-time for the first time ev | 18,926 | Codex, OpenCode | 1 | 2,011 tok |
| microsoft/agent-lightning microsoft.github.io The absolute trainer to light up AI agents. | 18,906 | Codex | 1 | — |
| browser-use/browser-harness browser-harness.com Let Claude Code, Codex or Cursor use your real Chrome, logged in as you. One prompt to set | 18,888 | Codex, OpenCode | 1 | 506 tok |
| nukeop/nuclear nuclearplayer.com Streaming music player that finds free music for you | 18,876 | Claude Code, Codex, GitHub Copilot, OpenCode | 7 | 4,608 tok |
| longbridge/gpui-component longbridge.github.io Rust GUI components for building fantastic cross-platform desktop application by using GPU | 18,838 | Claude Code | 2 | 3,195 tok |
| wasp-lang/wasp wasp.sh The batteries-included full-stack framework for the AI era. Develop JS/TS web apps (React, | 18,794 | Claude Code, Codex, OpenCode | 4 | 1,223 tok |
| langbot-app/LangBot space.langbot.app Production-grade platform for building agentic IM bots - Production-grade multi-platform i | 18,745 | Claude Code, Codex, OpenCode | 2 | 2,963 tok |
| gastownhall/gastown Gas Town - multi-agent workspace manager | 18,711 | Claude Code, Codex, Cursor, OpenCode | 8 | 1,529 tok |
| kitao/pyxel A retro game engine for Python | 18,525 | Codex, OpenCode | 1 | 65 tok |
| windmill-labs/windmill windmill.dev Code-first platform for workflows, apps and AI agents, on the fastest self-hostable orches | 18,411 | Claude Code, Codex, OpenCode | 25 | 6,435 tok |
| arc53/DocsGPT app.docsgpt.cloud Private AI platform for agents, assistants and enterprise search. Built-in Agent Builder, | 18,358 | Codex, OpenCode | 1 | 3,964 tok |
| emcie-co/parlant parlant.io Parlant is an open platform for building customer-facing chat agents with AI. Describe how | 18,324 | Codex, OpenCode | 1 | 986 tok |
| muratcankoylan/Agent-Skills-for-Context-Engineering A comprehensive collection of Agent Skills for context engineering, multi-agent architectu | 18,310 | Claude Code, Codex, OpenCode | 2 | 3,938 tok |
| zhanymkanov/fastapi-best-practices FastAPI Best Practices and Conventions we used at our startup | 18,292 | Codex, OpenCode | 1 | 4,106 tok |
| RightNow-AI/openfang openfang.sh Open-source Agent Operating System | 18,243 | Claude Code, Codex, OpenCode | 2 | 1,448 tok |
| lidge-jun/opencodex opencodex.me Universal provider proxy for OpenAI Codex & Claude Code — use any LLM (Claude, Gemini, Gro | 18,235 | Codex, OpenCode | 1 | 6,679 tok |
| rowboatlabs/rowboat rowboatlabs.com AI coworker with memory and collaboration | 18,134 | Claude Code, Codex, OpenCode | 2 | 459 tok |
| Canner/WrenAI getwren.ai GenBI (Generative BI) for AI agents, an open-source, governed text-to-SQL through an open | 18,087 | Claude Code, Codex, OpenCode | 2 | 123 tok |
| larksuite/cli The official Lark/Feishu CLI tool, maintained by the larksuite team — built for humans and | 17,986 | Codex, OpenCode | 1 | 3,126 tok |
| greensock/gsap-skills Official AI skills for GSAP. These skills teach AI coding agents how to correctly use GSAP | 17,947 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 6 | 1,838 tok |
| itwanger/toBeBetterJavaer javabetter.cn An easy-to-understand, witty, and humorous Java learning guide covering core topics includ | 17,826 | Claude Code, Codex, OpenCode | 14 | 1,397 tok |
| tradingview/lightweight-charts tradingview.com Performant financial charts built with HTML5 canvas | 17,775 | Claude Code, Codex | 2 | — |
| langchain-ai/openwiki OpenWiki is a CLI that writes and maintains agent documentation for your codebase. | 17,774 | Claude Code, Codex, OpenCode | 2 | 318 tok |
| microsoft/data-formulator data-formulator.ai 🪄 Data Formulator is an interactive AI-powered data analysis system makes it easy to conn | 17,666 | Claude Code, GitHub Copilot, Cursor | 5 | 122 tok |
| leon-ai/leon getleon.ai 🧠 Leon is your open-source personal assistant. | 17,646 | Claude Code, Codex, OpenCode | 2 | 2,307 tok |
| microsoft/mcp-for-beginners This open-source curriculum introduces the fundamentals of Model Context Protocol (MCP) th | 17,609 | Codex, OpenCode | 1 | 3,209 tok |
| questdb/questdb questdb.com QuestDB is a high performance, open-source, time-series database | 17,501 | Claude Code | 11 | 7,557 tok |
| semgrep/semgrep semgrep.dev Lightweight static analysis for many languages. Find bug variants with patterns that look | 17,493 | Claude Code, Codex, OpenCode | 2 | 2,125 tok |
| architecture-decision-record/architecture-decision-record Architecture decision record (ADR) examples for software planning, IT leadership, and temp | 17,407 | Codex, OpenCode | 1 | 728 tok |
| memvid/memvid memvid.com Memory layer for AI Agents. Replace complex RAG pipelines with a serverless, single-file m | 17,378 | Claude Code | 1 | 736 tok |
| apache/apisix apisix.apache.org The Cloud-Native API Gateway and AI Gateway | 17,297 | Codex, OpenCode | 1 | 354 tok |
| coder/coder coder.com Secure environments for developers and their agents | 17,290 | Claude Code, Codex, Cursor, OpenCode | 16 | 1,968 tok |
| ipfs/kubo docs.ipfs.tech IPFS implementation in Go: a daemon that stores and serves content-addressed data, with a | 17,175 | Codex, OpenCode | 1 | 7,449 tok |
| pipecat-ai/pipecat pipecat.ai Open Source framework for voice agents, multimodal apps, and realtime AI. Maintained by Da | 17,082 | Claude Code, Codex, OpenCode | 15 | 5,856 tok |
| ag-ui-protocol/ag-ui ag-ui.com AG-UI: the Agent-User Interaction Protocol. Bring Agents into Frontend Applications. | 17,038 | Claude Code, Codex, OpenCode | 16 | 1,403 tok |
| chatfire-AI/huobao-drama 🎬 Huobao Drama - An AI-Powered End-to-End Short Drama Generator "One Sentence to Complete | 17,031 | Claude Code | 1 | 1,355 tok |
| xbtlin/ai-berkshire xbtlin.github.io Berkshire in the AI era: a value investing research framework built for Claude Code / Code | 17,025 | Claude Code, Codex, OpenCode | 2 | 2,590 tok |
| xpzouying/xiaohongshu-mcp haha.ai MCP for xiaohongshu.com | 16,942 | Claude Code | 1 | 270 tok |
| weaviate/weaviate weaviate.io Weaviate is an open-source vector database that stores both objects and vectors, allowing | 16,940 | Claude Code | 2 | 1,507 tok |
| googleapis/mcp-toolbox mcp-toolbox.dev MCP Toolbox for Databases is an open source MCP server for databases. | 16,814 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 4,028 tok |
| MODSetter/SurfSense surfsense.com Air-gapped, privacy-focused, open-source NotebookLM alternative. AI agent that researches, | 16,789 | Claude Code, Codex, OpenCode | 11 | 2,352 tok |
| Arindam200/awesome-ai-apps studio1hq.com A collection of projects showcasing RAG, agents, workflows, and other AI use cases | 16,722 | Claude Code, Codex, GitHub Copilot, OpenCode | 4 | 3,496 tok |
| triggerdotdev/trigger.dev trigger.dev Trigger.dev – build and deploy durable AI agents and workflows | 16,720 | Claude Code, Codex, GitHub Copilot, Cursor, OpenCode | 10 | 3,720 tok |
| FlashML-org/FreeToken FreeToken brings datacenter-scale model serving to your desktop. Run massive models locall | 16,715 | Claude Code, Codex, OpenCode | 2 | 1,355 tok |
| umijs/qiankun qiankun.umijs.org 📦 🚀 Blazing fast, simple and complete solution for micro frontends. | 16,704 | Claude Code, Codex, OpenCode | 3 | 3,063 tok |
| udecode/plate platejs.org Rich-text editor with AI and shadcn/ui | 16,690 | Claude Code, Codex, GitHub Copilot, OpenCode | 45 | 10,760 tok |
| vercel/vercel vercel.com Develop. Preview. Ship. | 16,534 | Codex, OpenCode | 1 | 1,585 tok |
| FreshRSS/FreshRSS freshrss.org A free, self-hostable news aggregator… | 16,515 | Claude Code, Codex, GitHub Copilot, OpenCode | 9 | 2,277 tok |
| opensandbox-group/OpenSandbox open-sandbox.ai Secure, Fast, and Extensible Sandbox runtime for AI agents. | 16,463 | Claude Code, Codex, OpenCode | 3 | 1,966 tok |
| scalar/scalar scalar.com Scalar is an open-source API platform: 🌐 Modern REST API Client 📖 Beautiful API Referenc | 16,381 | Claude Code, Codex, OpenCode | 10 | 6,314 tok |