22,170 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 agents7,588Claude Code6,636Data and AI3,676Backend and APIs3,496Languages3,402Planning3,219Git and workflow3,187Code review2,745Testing2,374Memory and context2,364DevOps and cloud2,310Writing and docs2,309Research2,295Frontend2,261Security2,021Productivity1,715
All Claude Code31,998 Codex23,222 OpenCode22,170 GitHub Copilot3,550 Gemini CLI1,918 Cursor1,738 Windsurf137 Kiro80
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| harshith-vaddiparthy/skills-marketplace-outskill skill-marketplace-beta.vercel.app Enterprise-grade, security-first marketplace for AI agent skills — every skill is vetted b | 5 | Claude Code, Codex, OpenCode | 2 | 79 tok |
| gaojude/next-agents-md Inject version-matched Next.js docs into your AI agent's context (CLAUDE.md, AGENTS.md, et | 5 | Claude Code, Codex, OpenCode | 2 | 4,827 tok |
| alexey1312/swift-index SwiftIndex — Swift-native semantic code search | 5 | Claude Code, Codex, Cursor, Gemini CLI, OpenCode | 33 | 5,287 tok |
| DUBSOpenHub/swarm-command 🐝 Swarm Command — Multi-model consensus swarm orchestrator for Copilot CLI. Instantly lau | 5 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 2,105 tok |
| Nicopatron/usd-routing-coach-ar Decide por donde cobrar facturas en USD siendo consultor argentino: Wise, Mercury+MEP, Dee | 5 | Claude Code, Codex, OpenCode | 2 | 1,417 tok |
| bkper/bkper-cli bkper.com Build and deploy Bkper apps, manage financial data -- books, accounts, transactions, and | 5 | Claude Code, Codex, OpenCode | 2 | 2,261 tok |
| Clamepending/videomemory | 5 | Codex, OpenCode | 1 | 2,260 tok |
| cosdt/PyTorchInsight A PyTorch community cycle insights system | 5 | Claude Code, OpenCode | 6 | — |
| Juce-me/init_agents_md Reusable starter for installing and maintaining a shared AGENTS.md instruction file across | 5 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 2,823 tok |
| tangffntr/novel-asset-prompt | 5 | Claude Code, OpenCode | 11 | — |
| buda-ai/buda-marketplace | 5 | Codex, OpenCode | 1 | 905 tok |
| ganesshkumar/ganesshkumar.github.io ganesshkumar.com Personal Blog | 5 | Claude Code, Codex, OpenCode | 10 | 244 tok |
| torrust/torrust-website torrust.com Public Website for Torrust Organisation | 5 | Claude Code, Codex, OpenCode | 10 | 2,214 tok |
| mexmarv/ai-genie-factory mexmarv.github.io Enterprise Databricks app factory using @databricks Genie Code Agent Mode — 90+ apps at Al | 5 | Codex, OpenCode | 1 | 1,894 tok |
| agent0lab/skills | 5 | Claude Code, Codex, OpenCode | 2 | 460 tok |
| semiotic-ai/agentsec agentsec.sh Agent Audit scans AI agent skills for security vulnerabilities, scores them against the OW | 5 | Claude Code, Codex, OpenCode | 3 | 2,614 tok |
| andkirby/markdown-ticket Kanban-style ticket board system using markdown files for storage. Features drag-and-drop | 5 | Claude Code, Codex, OpenCode | 4 | 2,456 tok |
| linkedlist771/open-claude-code An open-source CLI coding assistant that reproduces Claude Code with full transparency. | 5 | Codex, OpenCode | 1 | 1,701 tok |
| MyAgentHubs/agentloom Many models. One workbench. Your machine. Run Claude, Codex, DeepSeek, GLM and more — side | 5 | Codex, OpenCode | 1 | 1,129 tok |
| brujack/dotfiles | 5 | Claude Code, Codex, OpenCode | 4 | 37,843 tok |
| nathfavour/vibeauracle nathfavour.github.io Aura vibe with the coolest agentic coding oracle | 5 | Claude Code, Codex, GitHub Copilot, OpenCode | 6 | 1,192 tok |
| x22x22/code-cli-any-llm Similar to musistudio/claude-code-router, allowing any AI code CLI to invoke other models. | 5 | Claude Code, Codex, OpenCode | 5 | 3,899 tok |
| Stephen-Kimoi/harness-engineering-template Reference implementation and self-audit toolkit for harness engineering — the discipline o | 5 | Claude Code, Codex, OpenCode | 2 | 2,079 tok |
| Emily2040/parallel-codegen-orchestrator | 5 | Claude Code, Codex, Cursor, Gemini CLI, OpenCode | 4 | 163 tok |
| ky2renzzz/acp-forge agentclientprotocol.com Multi-agent orchestration framework for xAI Grok Build and ACP — reproducible execution gr | 5 | Claude Code, Codex, OpenCode | 3 | 626 tok |
| BetterPromptme/skills | 5 | Claude Code, Codex, OpenCode | 2 | 941 tok |
| SurgeCode/near-intents-skill | 5 | Codex, OpenCode | 1 | 6,311 tok |
| XSpoonAi/spoon-bot Local-first AI agent with native OS tools, powered by spoon-core | 5 | Codex, OpenCode | 1 | 172 tok |
| Gnonymous/Skill-Transfer npmjs.com CLI tool to transfer AI coding skills between different environments (Antigravity, etc). | 5 | Codex, OpenCode | 1 | 1,058 tok |
| adhocteam/activate-framework Open source framework for agentic, cross-functional delivery | 5 | Codex, OpenCode | 1 | 231 tok |
| Piasy/lark-skills A set of agent skills for lark. | 5 | Codex, OpenCode | 1 | 241 tok |
| aiappsgbb/awesome-gbb Curated collection of agentic Skills by AI Global Black Belts at Microsoft | 5 | Codex, OpenCode | 1 | 40,615 tok |
| Bamose/everything-codex-cli A Codex‑first configuration repo that provides global rules via AGENTS.md and modular skil | 5 | Codex, OpenCode | 1 | 393 tok |
| bdhrs/vicaya Pāḷi and Dhamma research tool | 5 | Codex, OpenCode | 1 | 455 tok |
| dirtybits/agentvouch agentvouch.xyz Reputation system and trusted skills for AI agents. | 5 | Claude Code, Codex, OpenCode | 2 | 9,346 tok |
| alexlautw9527/.ai | 5 | Codex, OpenCode | 1 | 1,041 tok |
| agentsphp/skills Load multiple (agent)skills from composer libraries. | 5 | Claude Code, Codex, OpenCode | 2 | 336 tok |
| iampawan/Manifest An agentic plugin that takes a PRD ("contract") through the full lifecycle — author → veri | 5 | Codex, OpenCode | 1 | 1,634 tok |
| Cumulocity-IoT/cumulocity-skills Agent skills as specified by https://agentskills.io/ | 5 | Codex, OpenCode | 1 | 619 tok |
| newfront/pyspark-datagen Need data? Need data that feels real? What about fake real data? This is the project for y | 5 | Claude Code, Codex, OpenCode | 2 | 2,829 tok |
| braunmar/worktree Multi-instance development environment manager with automatic port allocation and Git work | 5 | Claude Code, Codex, OpenCode | 2 | 4,529 tok |
| Enzoding/skills-manager | 5 | Codex, OpenCode | 1 | 1,709 tok |
| aeren23/image-processing-skills Decision-focused SKILL.md files for AI coding agents working on computer vision projects. | 5 | Codex, OpenCode | 1 | 324 tok |
| kasperjunge/danish-building-years Et lokalt værktøj til at generere historiske kort over bygningers alder i danske byer. | 5 | Claude Code, Codex, OpenCode | 3 | 3 tok |
| Nicotine00/Blinkoo-Vibe-Daily | 5 | Codex, OpenCode | 1 | 1,828 tok |
| sumo1/AI-GAME-COOL Parent-child plan: use natural language to call LLMs and generate playable educational gam | 5 | Claude Code, Codex, OpenCode | 10 | 6,411 tok |
| Bl0omZ/claude-md A Claude Code skill for generating project-level and user-level `CLAUDE.md` files. Used to | 5 | Claude Code, Codex, OpenCode | 2 | 965 tok |
| btfranklin/skills Reusable AI agent skills for Django, OpenAI, web UI, Python packaging, and structured LLM | 5 | Codex, OpenCode | 1 | 241 tok |
| zayeagle/omnidev-kit OmniDev Kit is an advanced AI coding assistant enhancement toolkit that integrates the cor | 5 | Codex, OpenCode | 1 | 459 tok |
| Shellishack/3d-web-game-dev-skills Codex skills for 3D web game prototypes and procedural low-poly Three.js assets | 5 | Codex, OpenCode | 1 | 528 tok |