32,107 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 |
|---|---|---|---|---|
| mongodb/js-bson BSON Parser for node and browser | 1,216 | Claude Code, Codex, OpenCode | 2 | 1,402 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 |
| sunchaokun/PPT-Design-Skill sunchaokun.github.io Precision PPT design skill for OpenCode/Claude Code/Codex, with 40,000+ styles, pixel-perf | 1,215 | Claude Code, Codex, OpenCode | 2 | 581 tok |
| daaain/claude-code-log daaain.github.io A Python CLI tool that converts Claude Code transcript JSONL files into readable HTML / Ma | 1,214 | Claude Code | 6 | 1,376 tok |
| Arize-ai/openinference arize-ai.github.io OpenTelemetry Instrumentation for AI Observability | 1,213 | Claude Code, Codex, OpenCode | 10 | 1,067 tok |
| mem9-ai/mem9 Unlimited memory for OpenClaw | 1,210 | Claude Code, Codex, OpenCode | 2 | 3,039 tok |
| newrelic/newrelic-ruby-agent docs.newrelic.com New Relic RPM Ruby Agent | 1,209 | Claude Code | 2 | — |
| modu-ai/moai-adk adk.mo.ai.kr Agentic development harness for Claude Code — SPEC-driven plan/run/sync, TRUST 5 quality g | 1,207 | Claude Code, Codex, OpenCode | 23 | 7,996 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 |
| drhelius/Gearboy x.com Game Boy / Game Boy Color / Super Game Boy emulator, debugger and embedded MCP server for | 1,200 | Claude Code | 1 | — |
| adamlyttleapps/claude-skill-app-onboarding-questionnaire A Claude Code skill that designs and builds high-converting questionnaire-style app onboa | 1,198 | Claude Code | 1 | 730 tok |
| BankrBot/skills skills.bankr.bot Bankr Skills equip builders with plug-and-play tools to build more powerful agents. | 1,197 | Claude Code | 1 | — |
| omicverse/omicverse omicverse.readthedocs.io A python library for multi omics included bulk, single cell and spatial RNA-seq analysis. | 1,195 | Claude Code | 31 | — |
| 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 |
| handsome-rich/Awesome-Auto-Research-Tools A curated collection of automated research tools, covering literature search, paper readin | 1,191 | Claude Code | 1 | 75 tok |
| SamuelZ12/longcut longcut.ai The best way to learn from long videos | 1,187 | Claude Code | 1 | 3,865 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. | 1,187 | Claude Code, Codex, OpenCode | 8 | 2,545 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 |
| huytieu/COG-second-brain Self-evolving second brain with 33 AI skills, 10 agents, and people CRM. Closed-loop harne | 1,183 | Claude Code, Codex, Cursor, Gemini CLI, OpenCode | 4 | 16,288 tok |
| sentient-agi/EvoSkill EvoSkill — An open-source framework that automatically discovers and synthesizes reusable | 1,181 | Claude Code | 2 | — |
| 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 |
| GanyuanRan/Aegis Make AI coding agents architecture-aware: baseline-first, evidence-verified, drift-checked | 1,179 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 2,847 tok |
| johnpapa/vscode-peacock Subtly change the color of your Visual Studio Code workspace. Ideal when you have multiple | 1,176 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 6,358 tok |
| highcharts/highcharts-react highcharts.com The official Highcharts React library | 1,174 | Claude Code | 1 | — |
| sheshbabu/zen sheshbabu.com Selfhosted notes app. Single golang binary, notes stored as markdown within SQLite, full-t | 1,174 | Claude Code | 4 | 2,685 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 |
| soniqo/speech-swift soniqo.audio AI speech toolkit for Apple Silicon — ASR, TTS, speech-to-speech, VAD, and diarization pow | 1,172 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 5,060 tok |
| frank890417/taiwan-md taiwan.md 🇹🇼 Let the whole world fully understand Taiwan | An open-source, AI-friendly knowledge b | 1,170 | Claude Code, Codex | 46 | 5,039 tok |
| RinDig/Interpretable-Context-Methodology Folder structure as agent architecture. ICM replaces framework-level orchestration with f | 1,169 | Claude Code | 1 | 439 tok |
| Chorus-AIDLC/Chorus chorus-ai.dev The Agent Harness for AI-Human Collaboration, inspired by the AI-DLC (AI-Driven Developmen | 1,168 | Claude Code, Kiro | 16 | 10,672 tok |
| affaan-m/agentshield cerebralvalley.ai AI agent security scanner. Detect vulnerabilities in agent configurations, MCP servers, an | 1,168 | Claude Code, Codex | 2 | 936 tok |
| sipyourdrink-ltd/bernstein bernstein.run The open‑source AI Agents Governance & Orchestration framework: write the rules declarativ | 1,167 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 3,236 tok |
| heymrun/heym heym.run Build agentic systems. Run them with confidence. Orchestrate agents, automate business pro | 1,164 | Claude Code, Codex, Cursor, OpenCode | 3 | 6,097 tok |
| GaijinEntertainment/daScript daslang.io daslang - high-performance statically strong typed scripting language | 1,163 | Claude Code | 2 | — |
| proxysoul/Empryo empryo.com Empryo issue tracker + SoulForge (v2). Empryo is the graph-powered AI coding agent that ed | 1,161 | Claude Code | 1 | 763 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 |
| dermotduffy/advanced-camera-card card.camera A comprehensive camera card for Home Assistant | 1,153 | Claude Code, Codex, Gemini CLI, OpenCode | 4 | 9 tok |
| vm0-ai/vm0 okou.ai Okou connects to the tools your team already uses and does the work — across marketing, sa | 1,152 | Claude Code, Codex, OpenCode | 14 | 1,126 tok |
| Aaronontheweb/dotnet-skills Claude Code skills and sub-agents for .NET Developers | 1,152 | Claude Code, Codex, OpenCode | 2 | 1,294 tok |
| zylos-ai/zylos-core zylos.ai 🐙 Give your AI a life — open-source agent infrastructure for team collaboration. | 1,151 | Claude Code | 1 | 1,517 tok |
| alvinunreal/openpets openpets.dev Local first, desktop companion platform with animated pets, plugin SDK and coding-agent in | 1,149 | Claude Code, Codex, OpenCode | 2 | 2,089 tok |
| Mibayy/token-savior mibayy.github.io MCP server that gets Claude to 97.9% (188/192) on a real coding benchmark at -80% active t | 1,149 | Claude Code, Codex, OpenCode | 2 | 3,006 tok |
| RchGrav/claudebox The Ultimate Claude Code Docker Development Environment - Run Claude AI's coding assistant | 1,149 | Claude Code | 1 | 5,501 tok |
| ArcadeData/arcadedb arcadedb.com ArcadeDB Multi-Model Database, one DBMS that supports SQL, Cypher, Gremlin, HTTP/JSON, Mon | 1,148 | Claude Code | 2 | 3,261 tok |
| microsoft/skills-for-fabric A collection of skills and MCP systems to enable users of CLI, VSCode, Claude to operate o | 1,147 | Claude Code, Codex, Cursor, Gemini CLI, OpenCode, Windsurf | 5 | 9,696 tok |
| ENTERPILOT/GoModel gomodel.enterpilot.io AI gateway / AI control plane / AI proxy written in Go. Unified OpenAI-compatible and Anth | 1,147 | Claude Code, Codex, OpenCode | 2 | 865 tok |