24,842 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 agents8,530Claude Code6,887Git and workflow3,618Data and AI3,582Backend and APIs3,558Languages3,485Planning3,325Code review2,903Testing2,691DevOps and cloud2,482Writing and docs2,481Memory and context2,373Research2,322Frontend2,310Security2,179Project management1,971
All Claude Code32,523 Codex24,842 OpenCode23,761 GitHub Copilot3,723 Gemini CLI2,038 Cursor1,771 Windsurf201 Kiro116
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| RedHatInsights/hcc-ai-assistant | 2 | Claude Code, Codex, OpenCode | 2 | 3,558 tok |
| microsoft/TWL400-Using-AI-to-Secure-the-Modern-SOC | 2 | Codex, GitHub Copilot, OpenCode | 2 | 4,174 tok |
| jsar-project/aix jsar-project.github.io The AI Executable file format | 2 | Claude Code, Codex, OpenCode | 4 | 2,105 tok |
| frontendmentorio/recipe-page frontendmentor.io This challenge will help you focus on writing semantic HTML. Ensure you think through what | 2 | Claude Code, Codex, OpenCode | 2 | 2,217 tok |
| sachhm/impact10x-starter impact10x.com.au Starter template for the Impact10X 3-Day AI Simulator | 2 | Codex, Cursor, OpenCode | 2 | 608 tok |
| cicikat/PresenceKit-desktop Desktop companion client for PresenceKit. | 2 | Claude Code, Codex, OpenCode | 2 | 5,010 tok |
| LiuzLab/ml-summer-class | 2 | Codex, OpenCode | 1 | 1,223 tok |
| quintesse/leyden-perf-test Perfomance test scripts | 2 | Codex, OpenCode | 1 | 8,609 tok |
| villelatypebot/zapcrm | 2 | Codex, GitHub Copilot, OpenCode | 2 | 1,790 tok |
| itokun99/superspec-ai-workflow 🚀 AI-driven development workflow blueprint for multi-platform monorepos. Powered by OpenC | 2 | Claude Code, Codex, OpenCode | 25 | 2,717 tok |
| thirdweb-example/cyber-bird cyber-bird.thirdweb-preview.com | 2 | Claude Code, Codex, OpenCode | 2 | 4,219 tok |
| edufeed-org/kanban-editor kanban.edufeed.org Nostr-basiertes KI-Kanban-Board für kollaborative Unterrichtsentwicklung | 2 | Codex, GitHub Copilot, OpenCode | 2 | 35,663 tok |
| acquia/hackathon-drupalcon-chicago-2026 | 2 | Codex, OpenCode | 1 | 510 tok |
| SlanyCukr/bugbounty-mcp-server Bug Bounty MCP Server - AI Agent Communication Interface for Bug Bounty Hunting | 2 | Claude Code, Codex, OpenCode | 2 | 842 tok |
| bioshazard/workstacean WorkStacean is an opinionated pluggable pubsub bus for agentic action | 2 | Codex, OpenCode | 1 | 180 tok |
| ConverterLabs/LabAnalyser A plugin based open source data modification and visualization tool | 2 | Codex, OpenCode | 1 | 3,745 tok |
| seominpapa/Brainstorming-House | 2 | Codex, OpenCode | 1 | 3,788 tok |
| TTG-Club/core-app | 2 | Claude Code, Codex, OpenCode | 18 | 3,350 tok |
| AndreiBozantan/svelte-axum-template Rust Axum Svelte Sqlite SaaS template project | 2 | Codex, OpenCode | 1 | 1,416 tok |
| Foces-core/PharmaNear-by-Foces 💊 PharmaNear - Find pharmacies and medicines near you with real-time availability | 2 | Codex, OpenCode | 1 | 456 tok |
| frontendmentorio/fylo-data-storage-component frontendmentor.io This component has some interesting CSS challenges in the design. If you're looking to tes | 2 | Claude Code, Codex, OpenCode | 2 | 2,238 tok |
| frontendmentorio/time-tracking-dashboard | 2 | Claude Code, Codex, OpenCode | 2 | 2,238 tok |
| GuitarAlchemist/ga | 2 | Claude Code, Codex, Gemini CLI, OpenCode | 10 | 9,374 tok |
| Jonathangadeaharder/AgentBible Comprehensive development guidelines for AI coding agents. Works with Claude Code, Copilot | 2 | Codex, OpenCode | 1 | 1,167 tok |
| Wolfe-Jam/agents-md-facts agents.md Author a minimal AGENTS.md from your repo's facts. Never guessed. | 2 | Codex, OpenCode | 1 | 427 tok |
| trick77/agents-md-sync Keeps AGENTS.md in sync across many repositories from a single central template repo | 2 | Codex, OpenCode | 1 | 592 tok |
| MUDdown/MUDdown muddown.com MUDdown — A modern MUD platform using Markdown as the universal game markup language | 2 | Claude Code, Codex, OpenCode | 21 | 3,756 tok |
| mubisco/dotfiles | 2 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 734 tok |
| JSMike/ai-workflow-starter This repo is a starter kit for using the AI issue-tracking workflow in new projects. | 2 | Claude Code, Codex, OpenCode | 2 | 2,157 tok |
| rramchan12/llm-wiki-leadership | 2 | Codex, OpenCode | 1 | 1,677 tok |
| rosudrag/ai-praxis | 2 | Claude Code, Codex, OpenCode | 2 | 1,954 tok |
| gencmedya/codex-reality-rules A production-first AGENTS.md for OpenAI Codex: real end-to-end behavior, surgical changes, | 2 | Codex, OpenCode | 1 | 1,088 tok |
| zunmax/fhevm-skill zama-fhevm-skill.vercel.app FHEVM v0.11 skill bundle for Claude Code, Codex CLI, Cursor, Windsurf, and AGENTS.md-aware | 2 | Claude Code, Codex, OpenCode | 2 | 3,675 tok |
| kosoymiki/aesolator Aeolator split lane: aeolator | 2 | Codex, OpenCode | 1 | 13,210 tok |
| 360ghar/360-flatmates-web | 2 | Claude Code, Codex, OpenCode | 11 | 8,634 tok |
| lcfisemail/damai-ticket | 2 | Claude Code, Codex, OpenCode | 2 | 942 tok |
| vuau/agent-memory | 2 | Codex, OpenCode | 1 | 486 tok |
| Zowow/portfolio-project-scaffold | 2 | Claude Code, Codex, Gemini CLI, OpenCode | 10 | 824 tok |
| ItsHege/agents-md-doctor npmjs.com CLI/CI checker for AGENTS.md and AI coding-agent instruction drift. | 2 | Codex, OpenCode | 1 | 1,124 tok |
| anhdt19942020/aicoding-starter Structured learning guide to master OpenAI Codex CLI. Includes installation guide, projec | 2 | Codex, OpenCode | 1 | 1,091 tok |
| Vyro-ai/imagine-campaign-director | 2 | Claude Code, Codex, OpenCode | 2 | 2,968 tok |
| frontendmentorio/newsletter-sign-up-with-success-message frontendmentor.io This will test your skills with basic form structure, validation, and submission. The succ | 2 | Claude Code, Codex, OpenCode | 2 | 2,238 tok |
| Alvasilev12/meeet-solana-state meeet.world 🏛️ MEEET STATE — The First AI Nation on Solana. 1,020 AI agents, 12 ministries, 80+ pages | 2 | Claude Code, Codex, OpenCode | 2 | 590 tok |
| Nagraj-13/Kanso-UI kanso-ui.nr13.in Kanso UI is a modern open-source React component library and design system inspired by the | 2 | Claude Code, Codex, OpenCode | 2 | 5,765 tok |
| nbiish/agentsstandard-dot-com agentsstandard.com — The global AGENTS.md hierarchical standard for AI agent configuration | 2 | Claude Code, Codex, OpenCode | 5 | 15 tok |
| BeardedChop/repo-brain six markdown files that teach your AI how to build your project — no more fighting with Cl | 2 | Claude Code, Codex, OpenCode | 2 | 576 tok |
| gke-labs/in-cluster-observability gke-labs.github.io Transparent eBPF-based network observability for Kubernetes workloads. Zero-instrumentatio | 2 | Codex, Gemini CLI, OpenCode | 2 | 5,705 tok |
| ntnhan94/ai-ready-project-template A standard project structure template with modular knowledge files designed to maximize AI | 2 | Claude Code, Codex, GitHub Copilot, OpenCode | 5 | 2,039 tok |
| scottmmjackson/use-agents A CLI tool to manage context file configurations for AI coding assistants, specifically su | 2 | Codex, OpenCode | 1 | 455 tok |
| aspose-pdf/agentic-net-examples products.aspose.com Aspose.PDF for .NET — Agentic, AI-generated C# examples. 2,600+ verified, compile-tested s | 2 | Codex, GitHub Copilot, OpenCode | 2 | 5,330 tok |