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 |
|---|---|---|---|---|
| kardolus/chatgpt-cli ChatGPT CLI is a powerful, multi-provider command-line interface for working with modern L | 965 | Claude Code, Codex, OpenCode | 2 | 2,596 tok |
| s-kostyaev/ellama Work with local and cloud LLMs from Emacs. | 964 | Codex, OpenCode | 1 | 311 tok |
| huifer/WellAlly-health wellally.tech Ally-Health is an intelligent healthcare assistant that harnesses advanced AI technology a | 964 | Claude Code | 77 | — |
| iamfakeguru/agent-md Production-grade agent directives for autonomous coding agents: Claude Code, Codex, Cursor | 963 | Claude Code, Codex | 7 | 115 tok |
| Keruspe/GPaste Clipboard management system | 962 | Codex, OpenCode | 1 | 8,088 tok |
| coder/httpjail HTTP(s) request filter for processes | 960 | Claude Code, Codex, OpenCode | 7 | 2,482 tok |
| im4codes/imcodes im.codes The IM for agents. Shared Agent Context & Memory, supervised execution, and cross-agent au | 959 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 7 | 3,020 tok |
| tradecatlabs/tradecat-public x.com Taobao Data System | 959 | Codex, OpenCode | 1 | 3,236 tok |
| hmans/beans A CLI-based, flat-file issue tracker for humans and robots. 🤖 | 959 | Claude Code | 6 | 1,364 tok |
| NVlabs/ASPIRE research.nvidia.com ASPIRE: Agentic /Skills Discovery for Robotics | 959 | Claude Code, Codex, OpenCode | 6 | 1,500 tok |
| mouse-lin/finesse-skill | 958 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 5,571 tok |
| getsentry/toolkit mcp.sentry.dev Agentic tooling for Sentry | 958 | Claude Code, Codex, Cursor, OpenCode | 24 | 1,725 tok |
| wordflowlab/novel-writer A novel-writing tool implemented with reference to Spec-kit | 957 | Claude Code, GitHub Copilot | 1 | 1,183 tok |
| bgauryy/octocode octocode.ai Code research platform for AI agents; find, understand, and prove context across your code | 957 | Claude Code, Codex, OpenCode | 2 | 3,171 tok |
| ethanplusai/jarvis JARVIS — a voice assistant for Claude Code. Talk to your Mac and he brainstorms a project | 957 | Claude Code | 1 | 3,216 tok |
| pydantic/pydantic-ai-harness Batteries for your Pydantic AI agent. | 956 | Claude Code, Codex, OpenCode | 6 | 3,154 tok |
| AlanGin/A-Curated-Gas-Separation-Membrane-Database | 955 | Codex, OpenCode | 1 | 129 tok |
| kossakovsky/selfhost-ai One-command installer for a self-hosted AI stack on your own server: n8n, Ollama, Open Web | 955 | Claude Code | 2 | 11,781 tok |
| qinshihu/itops-agent-platform aiopsdoc-0mwug01t6.maozi.io China's 1st enterprise multi-agent IT ops platform. LLM-powered auto-remediation for Zabbi | 955 | Codex, GitHub Copilot, OpenCode | 2 | 6,708 tok |
| GarethManning/education-agent-skills garethmanning.com 165 evidence-grounded AI skills for teachers, school leaders and EdTech builders—pedagogy, | 955 | Claude Code, Codex, OpenCode | 2 | 1,144 tok |
| sanity-io/next-sanity sanity.io Sanity toolkit for Next.js | 955 | Claude Code, Codex, OpenCode | 2 | 1,359 tok |
| phuryn/pm-brain productcompass.pm PM Brain OS: The Second Brain for Product Managers, Made of Markdown | 954 | Claude Code, Codex, OpenCode | 15 | 1,983 tok |
| russelleNVy/three-man-team A structured 3-agent AI dev team — Architect, Builder, Reviewer. Built from production use | 953 | Claude Code | 1 | 326 tok |
| jaseci-labs/jac jaclang.org The Jac Programming Language -- The ultimate language for agents to build everything. | 953 | GitHub Copilot | 1 | 637 tok |
| HaschekSolutions/pictshare pictshare.net :camera: PictShare is an open source image, mp4, pastebin hosting service with a simple re | 952 | Claude Code | 1 | 1,294 tok |
| alexknowshtml/smaug Archive your Twitter/X bookmarks to markdown with AI-powered analysis. Supports Claude Cod | 951 | Claude Code | 1 | — |
| THUYRan/Legal-Skills-Chinese | 950 | Codex, OpenCode | 1 | 1,338 tok |
| d6t/d6tflow d6tflow.readthedocs.io Python library for building highly effective data science workflows | 949 | Claude Code | 1 | 3,950 tok |
| Pipelex/pipelex pipelex.com Build AI methods with your coding agent, then run them anywhere: as an MCP for chatbots, a | 949 | Claude Code, Codex, OpenCode | 15 | 12,453 tok |
| markrahq/markra markra.app A WYSIWYG Markdown editor with native AI. Fully open source. Free to use. Your data stays | 949 | Codex, OpenCode | 1 | 1,368 tok |
| superdesigndev/superdesign-skill superdesign.dev The design skill for Claude Code, Cursor and any coding agent. Stop shipping AI-slop UI: t | 949 | Claude Code, Codex, OpenCode | 2 | 1,701 tok |
| open-mercato/cezar cezar.run Open-source orchestrator and ADE for running Claude Code, Codex, OpenCode, Pi and other AI | 949 | Claude Code, Codex, OpenCode | 5 | 10,178 tok |
| JuliusBrussee/caveman-code caveman.so Frozen — terminal coding agent measured at 1.93× fewer tokens than Codex CLI. Still works; | 947 | Claude Code, Codex, OpenCode | 2 | 3,776 tok |
| homeassistant-ai/skills Home Assistant skills for agents | 947 | Claude Code, Codex, OpenCode | 3 | 2,884 tok |
| zhoushoujianwork/easyeda-agent eda.daboluo.cc EasyEDA Pro automation: the hands of your AI harness — typed schematic/PCB actions via CLI | 947 | Claude Code, Codex, OpenCode | 5 | 2,957 tok |
| marckohlbrugge/sessy sessy.do Open-source email observability for AWS SES | 945 | Claude Code, Codex, OpenCode | 2 | 1,193 tok |
| modelcontextprotocol/ruby-sdk ruby.sdk.modelcontextprotocol.io The official Ruby SDK for the Model Context Protocol servers and clients. | 945 | Claude Code, Codex, OpenCode | 2 | 1,394 tok |
| umputun/revdiff revdiff.com TUI for reviewing diffs, files, and documents with inline annotations | 945 | Claude Code | 1 | 8,199 tok |
| retentioneering/retentioneering-tools retentioneering.com Python toolkit, MCP server, and agent skills for reproducible, auditable clickstream and e | 944 | Claude Code, Codex, OpenCode | 2 | 4,070 tok |
| lij768423-svg/grok-register-panel lij768423-svg.github.io Batch Grok registration (Camoufox) + real-time Web monitoring panel | Batch Grok registrat | 944 | Codex, OpenCode | 1 | 2,420 tok |
| cyberkaida/reverse-engineering-assistant MCP server for reverse engineering tasks in Ghidra 👩💻 | 944 | Claude Code, Codex, GitHub Copilot, OpenCode | 7 | 4,872 tok |
| Caldis/react-zmage zmage.caldis.me Turn any <img> into an origin-expand fullscreen React image viewer. | 943 | Claude Code, Codex, GitHub Copilot, Cursor, OpenCode | 9 | 4,403 tok |
| rookie-ricardo/erduo-skills | 943 | Claude Code | 1 | — |
| Skyvern-AI/rustwright Playwright's API on a Rust CDP engine — Chromium browser automation for Python & Node, no | 942 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 996 tok |
| milisp/codexia milisp.dev Lightweight Agent Workstation for Codex + Claude code + keke-agent — with dots, task sched | 941 | Codex, OpenCode | 1 | 1,658 tok |
| raphaelsalaja/userinterface-wiki userinterface.wiki A Living Manual for Better Interfaces | 941 | Codex, OpenCode | 1 | 3,650 tok |
| JaguarJack/catch-admin catchadmin.com CatchAdmin is a powerful, extensible modern PHP administration system. It uses a frontend- | 940 | Claude Code, Codex, OpenCode | 11 | 1,778 tok |
| bear2u/my-skills My collection of frequently used Claude skills. | 940 | Claude Code | 10 | — |
| jal-co/shieldcn shieldcn.dev Beautiful README badges, inspired by shields.io and styled like shadcn/ui. | 940 | Codex, OpenCode | 1 | 3,709 tok |
| vercel-labs/ai-cli ai-cli.dev Generate anything from your terminal | 940 | Claude Code, Codex, OpenCode | 2 | 660 tok |