21,984 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 agents7,473Claude Code6,589Data and AI3,693Backend and APIs3,491Languages3,403Planning3,201Git and workflow3,131Code review2,731Memory and context2,354Testing2,335DevOps and cloud2,298Research2,288Writing and docs2,284Frontend2,242Security1,995Productivity1,703
All Claude Code32,066 Codex23,211 OpenCode21,984 GitHub Copilot3,528 Gemini CLI1,908 Cursor1,730 Windsurf104 Kiro70
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| d-kimuson/claude-code-viewer npmjs.com A full-featured web-based Claude Code client that provides complete interactive functional | 1,282 | Claude Code, Codex, OpenCode | 11 | 3,171 tok |
| uzairansaruzi/hermex hermexapp.com Native iPhone app for your Hermes agent | 1,278 | Claude Code, Codex, OpenCode | 2 | 4,577 tok |
| voidful/hung-yi-lee-skill A skill distilled from Professor Li Hongyi's teachings, combined with Karpathy's LLM, enha | 1,277 | Codex, OpenCode | 1 | 843 tok |
| remorses/critique critique.work TUI & website for reviewing git changes | 1,272 | Codex, OpenCode | 1 | 1,974 tok |
| agentplugins/agent-plugins-spec agent-plugins.org Agent Plugins Specification v1.0.0 — A minimal standard for packaging agent extensions int | 1,272 | Codex, OpenCode | 1 | 868 tok |
| nvk/llm-wiki llm-wiki.net LLM-compiled knowledge bases for any AI agent. Parallel multi-agent research, thesis-drive | 1,272 | Claude Code, Codex, OpenCode | 2 | 15,764 tok |
| coollabsio/jean jean.build A dev environment for AI agents. | 1,271 | Claude Code, Codex, Gemini CLI, OpenCode | 10 | 7,257 tok |
| caliber-ai-org/ai-setup trycaliber.ai Continuously sync your AI setups with one command. Codebase tailor suited agent skills, MC | 1,267 | Claude Code, Codex, OpenCode | 10 | 3,076 tok |
| JuneYaooo/gpt-image2-ppt-skills slidecraft-template-gallery.vercel.app Clone any .pptx into your own deck — OpenAI gpt-image-2 mimics the layout, you supply the | 1,262 | Codex, OpenCode | 1 | 1,171 tok |
| math-inc/OpenGauss | 1,261 | Codex, OpenCode | 1 | 3,386 tok |
| Xerxes-2/clewdr High Performance LLM Reverse Proxy | 1,261 | Codex, OpenCode | 1 | 2,409 tok |
| HD838A/remote-mic-app sayall.app Wireless Mic (SayAll.app): Turn the Xiaomi Bluetooth Remote 2 Pro into a voice-input devic | 1,258 | Codex, OpenCode | 1 | 5,163 tok |
| starknet-io/starknet.js starknet-js.com JavaScript library for Starknet | 1,255 | Codex, OpenCode | 1 | 1,748 tok |
| uphiago/recon-skills hiago.sh Recon & pentest skill pack. CORS, XSS, SQLi, SSRF, RCE, WordPress, MCP, cloud, subdomain t | 1,254 | Codex, OpenCode | 1 | 900 tok |
| AIPexStudio/AIPex claudechrome.com AIPex: AI browser automation assistant, no migration and privacy first. Alternative to Man | 1,250 | Claude Code, Codex, OpenCode | 2 | 1,195 tok |
| memorax-ai/memorax-code code.memorax.net A memory plugin for AI coding that turns engineering experience, repository knowledge, and | 1,249 | Claude Code, Codex, OpenCode | 2 | 1,217 tok |
| pnoker/iot-dc3 dc3.site IoT DC3 is a multi-protocol, cloud-native, AI-powered, open-source industrial IoT platform | 1,246 | Claude Code, Codex, OpenCode | 2 | 2,089 tok |
| microsoft/winappCli winapp, the Windows App Development CLI, is a single command-line interface for managing W | 1,244 | Claude Code, Codex, OpenCode | 3 | 4,710 tok |
| mrwadams/attackgen AttackGen is a cybersecurity incident response testing tool that leverages the power of la | 1,241 | Claude Code, Codex, OpenCode | 2 | 9,248 tok |
| kbwo/ccmanager Coding Agent Session Manager for Claude Code / Gemini CLI / Codex CLI / Cursor Agent / Cop | 1,237 | Claude Code, Codex, Kiro, OpenCode | 15 | 5,122 tok |
| phronesis-io/eigenflux eigenflux.ai Official repository for EigenFlux — the open-source communication and broadcast network fo | 1,235 | Claude Code, Codex, OpenCode | 4 | 1,806 tok |
| vellum-ai/vellum-assistant vellum.ai An AI Assistant that’s easy to setup, does your work 24/7, knows your preferences and gets | 1,225 | Claude Code, Codex, Cursor, OpenCode | 16 | 9,582 tok |
| Ataraxy-Labs/opensessions ataraxy-labs.com tmux sidebar for coding agents — Amp, Claude Code, Codex, OpenCode. Per-thread markers, lo | 1,224 | Codex, OpenCode | 1 | 1,801 tok |
| apache/incubator-xtable xtable.apache.org Apache XTable (incubating) is a cross-table converter for lakehouse table formats that fac | 1,222 | Codex, OpenCode | 1 | 1,691 tok |
| mongodb/js-bson BSON Parser for node and browser | 1,216 | Claude Code, Codex, OpenCode | 2 | 1,402 tok |
| AvdLee/Xcode-Build-Optimization-Agent-Skill rocketsim.app An Agent Skill helping you to optimize Xcode incremental and clean builds by running bench | 1,215 | Claude Code, Codex, GitHub Copilot, OpenCode | 2 | 1,265 tok |
| hoangnb24/repository-harness Turn any repo into an agent-ready workspace for Claude Code, Codex, Cursor, and other codi | 1,214 | Claude Code, Codex, OpenCode | 7 | 393 tok |
| sunchaokun/PPT-Design-Skill sunchaokun.github.io Precision PPT design skill for OpenCode/Claude Code/Codex, with 40,000+ styles, pixel-perf | 1,214 | Claude Code, Codex, OpenCode | 2 | 581 tok |
| persian-tools/persian-tools persian-tools.usestrict.dev A comprehensive, high-performance TypeScript toolkit for Persian (Farsi) text, numbers, va | 1,209 | Codex, GitHub Copilot, OpenCode | 5 | 4,011 tok |
| mem9-ai/mem9 Unlimited memory for OpenClaw | 1,208 | Claude Code, Codex, OpenCode | 2 | 3,039 tok |
| Arize-ai/openinference arize-ai.github.io OpenTelemetry Instrumentation for AI Observability | 1,208 | Claude Code, Codex, OpenCode | 9 | 1,067 tok |
| modu-ai/moai-adk adk.mo.ai.kr Agentic development harness for Claude Code — SPEC-driven plan/run/sync, TRUST 5 quality g | 1,206 | Claude Code, Codex, OpenCode | 23 | 7,996 tok |
| NomaDamas/slides-grab nomadamas.github.io Best harness + editor + linter for generating slides in Claude Code / Codex - Claude Desig | 1,206 | Codex, OpenCode | 1 | 1,543 tok |
| graphframes/graphframes graphframes.io GraphFrames is a package for Apache Spark which provides DataFrame-based Graphs | 1,206 | Codex, OpenCode | 1 | 1,839 tok |
| dartsim/dart dart.readthedocs.io Research-focused C++23 physics engine for robotics, animation, and machine learning, with | 1,204 | Claude Code, Codex, OpenCode | 67 | 2,520 tok |
| Deuz-AI/Deuz-SDK deuz-sdk.tech Zero-dependency TypeScript framework for production AI agents: durable execution, long-ter | 1,203 | Claude Code, Codex, OpenCode | 3 | 6,587 tok |
| EvolvingLMMs-Lab/LLaVA-OneVision-2 evolvinglmms-lab.github.io Fully Open Framework for Democratized Multimodal Training | 1,200 | OpenCode | 8 | — |
| mozilla-ai/any-agent docs.mozilla.ai A single interface to use and evaluate different agent frameworks | 1,199 | Claude Code, Codex, OpenCode | 2 | 1,479 tok |
| heyhuynhgiabuu/proxypal A desktop app that lets you use your AI subscriptions (Claude, ChatGPT, Gemini, GitHub Cop | 1,198 | Codex, OpenCode | 1 | 716 tok |
| K-Dense-AI/k-dense-byok k-dense.ai An AI co-scientist running on your desktop. Claude Science but better. | 1,196 | Codex, OpenCode | 1 | 13,072 tok |
| TrafficGuard/typedai typedai.dev TypeScript AI platform with AI chat, Autonomous agents, Software developer agents, chatbot | 1,194 | Codex, OpenCode | 1 | 4,307 tok |
| igorkasyanchuk/active_storage_validations igorkasyanchuk.com Do it like => validates :photos, attached: true, content_type: ['image/png', 'image/jpg', | 1,190 | Claude Code, Codex, Cursor, OpenCode | 2 | 4,541 tok |
| polterguy/magic hyperlambda.dev Instant SECURE Full Stack Apps and AI Agents | 1,188 | Codex, OpenCode | 1 | 650 tok |
| Ido-Levi/Hephaestus Semi-Structured Agentic Framework. Workflows build themselves as agents discover what need | 1,187 | Claude Code, Codex, OpenCode | 4 | 666 tok |
| nspady/google-calendar-mcp MCP integration for Google Calendar to manage events. | 1,186 | Claude Code, Codex, OpenCode | 8 | 2,545 tok |
| alookai/alook alook.ai Rooms for people and agents. | 1,182 | Claude Code, Codex, OpenCode | 2 | 2,262 tok |
| huytieu/COG-second-brain Self-evolving second brain with 33 AI skills, 10 agents, and people CRM. Closed-loop harne | 1,182 | Claude Code, Codex, Cursor, Gemini CLI, OpenCode | 4 | 16,288 tok |
| NVIDIA-NeMo/Gym docs.nvidia.com Evaluate and improve models and agents using environments | 1,181 | Claude Code, Codex, OpenCode | 9 | 2,292 tok |
| todo-for-ai/todo-for-ai todo4ai.org 🤖 A comprehensive task management system specifically designed for AI assistants. Support | 1,181 | Codex, OpenCode | 1 | 84 tok |
| GetStream/stream-chat-react-native getstream.io 💬 React-Native Chat SDK ➜ Stream Chat. Includes a tutorial on building your own chat app | 1,179 | Claude Code, Codex, OpenCode | 5 | 6,248 tok |