23,261 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 agents7,510Claude Code6,601Data and AI3,691Backend and APIs3,489Languages3,402Planning3,208Git and workflow3,142Code review2,734Memory and context2,361Testing2,349DevOps and cloud2,296Research2,292Writing and docs2,291Frontend2,248Security2,004Productivity1,708
All Claude Code32,107 Codex23,261 OpenCode22,036 GitHub Copilot3,542 Gemini CLI1,912 Cursor1,737 Windsurf119 Kiro77
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| kbwo/ccmanager Coding Agent Session Manager for Claude Code / Gemini CLI / Codex CLI / Cursor Agent / Cop | 1,240 | Claude Code, Codex, Kiro, OpenCode | 15 | 5,122 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 | 1,238 | Claude Code, Codex, Cursor, OpenCode | 16 | 9,584 tok |
| Ataraxy-Labs/opensessions ataraxy-labs.com tmux sidebar for coding agents — Amp, Claude Code, Codex, OpenCode. Per-thread markers, lo | 1,228 | 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 | 1,224 | Codex, OpenCode | 1 | 1,691 tok |
| AvdLee/Xcode-Build-Optimization-Agent-Skill rocketsim.app An Agent Skill helping you to optimize Xcode incremental and clean builds by running bench | 1,223 | Claude Code, Codex, GitHub Copilot, OpenCode | 2 | 1,265 tok |
| sunchaokun/PPT-Design-Skill sunchaokun.github.io Precision PPT design skill for OpenCode/Claude Code/Codex, with 40,000+ styles, pixel-perf | 1,217 | Claude Code, Codex, OpenCode | 2 | 581 tok |
| mongodb/js-bson BSON Parser for node and browser | 1,216 | Claude Code, Codex, OpenCode | 2 | 1,402 tok |
| Arize-ai/openinference arize-ai.github.io OpenTelemetry Instrumentation for AI Observability | 1,216 | Claude Code, Codex, OpenCode | 10 | 1,067 tok |
| hoangnb24/repository-harness Turn any repo into an agent-ready workspace for Claude Code, Codex, Cursor, and other codi | 1,215 | Claude Code, Codex, OpenCode | 7 | 393 tok |
| modu-ai/moai-adk adk.mo.ai.kr Agentic development harness for Claude Code — SPEC-driven plan/run/sync, TRUST 5 quality g | 1,211 | Claude Code, Codex, OpenCode | 23 | 7,996 tok |
| mem9-ai/mem9 Unlimited memory for OpenClaw | 1,211 | Claude Code, Codex, OpenCode | 2 | 3,039 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 |
| graphframes/graphframes graphframes.io GraphFrames is a package for Apache Spark which provides DataFrame-based Graphs | 1,206 | Codex, OpenCode | 1 | 1,839 tok |
| NomaDamas/slides-grab nomadamas.github.io Best harness + editor + linter for generating slides in Claude Code / Codex - Claude Desig | 1,205 | Codex, OpenCode | 1 | 1,543 tok |
| K-Dense-AI/k-dense-byok k-dense.ai An AI co-scientist running on your desktop. Claude Science but better. | 1,204 | Codex, OpenCode | 1 | 13,072 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 |
| dartsim/dart dart.readthedocs.io Research-focused C++23 physics engine for robotics, animation, and machine learning, with | 1,202 | Claude Code, Codex, OpenCode | 67 | 2,520 tok |
| mozilla-ai/any-agent docs.mozilla.ai A single interface to use and evaluate different agent frameworks | 1,200 | 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 |
| 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', | 1,191 | Claude Code, Codex, Cursor, OpenCode | 2 | 4,710 tok |
| polterguy/magic hyperlambda.dev Instant SECURE Full Stack Apps and AI Agents | 1,190 | Codex, OpenCode | 1 | 650 tok |
| nspady/google-calendar-mcp MCP integration for Google Calendar to manage events. | 1,188 | Claude Code, Codex, OpenCode | 8 | 2,545 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 |
| huytieu/COG-second-brain Self-evolving second brain with 33 AI skills, 10 agents, and people CRM. Closed-loop harne | 1,187 | Claude Code, Codex, Cursor, Gemini CLI, OpenCode | 4 | 16,288 tok |
| alookai/alook alook.ai Rooms for people and agents. | 1,183 | Claude Code, Codex, OpenCode | 2 | 2,262 tok |
| NVIDIA-NeMo/Gym docs.nvidia.com Evaluate and improve models and agents using environments | 1,183 | Claude Code, Codex, OpenCode | 9 | 2,292 tok |
| GanyuanRan/Aegis Make AI coding agents architecture-aware: baseline-first, evidence-verified, drift-checked | 1,182 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 2,847 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 | 1,180 | Claude Code, Codex, OpenCode | 5 | 6,248 tok |
| keinsaasforever/better-chatbot app.keinsaas.com Formerly Better Chatbot. Navigator is an open-source AI workspace for agents, MCP and work | 1,179 | Codex, OpenCode | 1 | 635 tok |
| BiFangKNT/mtga A local-agent-based approach to bypassing IDE restrictions on fixed model providers | 1,179 | Codex, OpenCode | 8 | 890 tok |
| johnpapa/vscode-peacock Subtly change the color of your Visual Studio Code workspace. Ideal when you have multiple | 1,177 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 6,358 tok |
| chen0416ccc-cpu/codex-windows-fast-patch-skill These skills guide agents in restoring local patches and feature toggles disabled or inval | 1,176 | Codex, OpenCode | 1 | 558 tok |
| Azure/GPT-RAG aka.ms Enterprise-grade accelerator for agentic RAG on Azure. Built on Microsoft Foundry with Fou | 1,176 | Codex, GitHub Copilot, OpenCode | 6 | 4,111 tok |
| soniqo/speech-swift soniqo.audio AI speech toolkit for Apple Silicon — ASR, TTS, speech-to-speech, VAD, and diarization pow | 1,175 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 5,060 tok |
| matthiasn/lotti matthiasn.github.io A private logbook with a staff of personal AI assistants. Agents read what you record and | 1,173 | Claude Code, Codex, OpenCode | 12 | 4,149 tok |
| heymrun/heym heym.run Build agentic systems. Run them with confidence. Orchestrate agents, automate business pro | 1,173 | Claude Code, Codex, Cursor, OpenCode | 3 | 6,097 tok |
| JKorf/Binance.Net cryptoexchange.jkorf.dev C#/.NET client library for the Binance.com cryptocurrency exchange REST and WebSocket APIs | 1,172 | Codex, GitHub Copilot, OpenCode | 2 | 2,991 tok |
| affaan-m/agentshield cerebralvalley.ai AI agent security scanner. Detect vulnerabilities in agent configurations, MCP servers, an | 1,172 | Claude Code, Codex | 2 | 936 tok |
| its-maestro-baby/maestro The Bloomberg Terminal for CLI Agents, its Maestro Baby! | 1,171 | Codex, OpenCode | 1 | 1,486 tok |
| frank890417/taiwan-md taiwan.md 🇹🇼 Let the whole world fully understand Taiwan | An open-source, AI-friendly knowledge b | 1,171 | Claude Code, Codex | 46 | 5,039 tok |
| CopilotKit/OpenTag OpenTag: The Channels SDK starter application, a self-hosted AI on-call triage bot for Sla | 1,170 | Codex, OpenCode | 1 | 1,790 tok |
| sipyourdrink-ltd/bernstein bernstein.run The open‑source AI Agents Governance & Orchestration framework: write the rules declarativ | 1,170 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 3,236 tok |
| threerocks/hand-drawn-styles Claude Code skill: applies content to built-in hand-drawn style recipes to produce image-g | 1,166 | Codex, OpenCode | 1 | 522 tok |
| CharlesWiltgen/Axiom charleswiltgen.github.io Battle-tested Claude Code skills for modern xOS (iOS, iPadOS, watchOS, tvOS) development | 1,157 | Codex, OpenCode | 1 | 747 tok |
| Aaronontheweb/dotnet-skills Claude Code skills and sub-agents for .NET Developers | 1,155 | Claude Code, Codex, OpenCode | 2 | 1,294 tok |
| davis7dotsh/better-context btca.dev A better way to get up to date context on libraries/technologies in your projects | 1,155 | Claude Code, Codex, OpenCode | 3 | 452 tok |
| udecode/dotai Skills for agents. | 1,153 | Codex, OpenCode | 1 | 92 tok |
| AI-QL/tuui tuui.com A desktop MCP client designed as a tool unitary utility integration, accelerating AI adopt | 1,153 | Codex, OpenCode | 1 | 496 tok |