22,198 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 agents7,609Claude Code6,644Data and AI3,677Backend and APIs3,502Languages3,403Planning3,220Git and workflow3,193Code review2,743Testing2,377Memory and context2,363DevOps and cloud2,314Writing and docs2,311Research2,293Frontend2,259Security2,022Productivity1,721
All Claude Code32,006 Codex23,251 OpenCode22,198 GitHub Copilot3,552 Gemini CLI1,917 Cursor1,737 Windsurf138 Kiro81
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| kksudo/AgentFS Scaffold your Obsidian vault as a filesystem-based OS for AI agents. Single source of trut | 2 | Claude Code, Codex, Cursor, OpenCode | 3 | 2,645 tok |
| auxo-labs/Auxo auxo.wo0.dev Greek goddess of summer, growth, and fertility | 2 | Claude Code, Codex, OpenCode | 2 | 79 tok |
| siddhamapple/needless | 2 | Codex, GitHub Copilot, OpenCode | 2 | 758 tok |
| luminoguru-pvt/phasecraft | 2 | Codex, OpenCode | 1 | 210 tok |
| t-code4change/nextjs-claude-skills Production-grade Claude Code skills for Next.js — SEO, Performance, Caching, Core patterns | 2 | Codex, OpenCode | 1 | 665 tok |
| 2023Anita/clinical-ai-agent-skills Evidence-first AI agent rules for clinicians using Codex, Claude Code, Cursor, Copilot, an | 2 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 966 tok |
| MeenakshiSundaram-MS/prove-it | 2 | Claude Code, Codex, GitHub Copilot, OpenCode | 2 | 4,075 tok |
| justinz12xd/HACKATON-TAWS dashboard-nu-vert-64.vercel.app Yapa 💰 Agente financiero multi-agente por WhatsApp: registra gastos en lenguaje natural, | 2 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 32 | 1,982 tok |
| ayimmam/PCIC pcic.tech Internal Management tool | 2 | Codex, GitHub Copilot, Cursor, OpenCode | 4 | 1,612 tok |
| mgiannopoulos24/Unmaintainable A satirical rulebook for writing code so unmaintainable, you'll guarantee lifetime employm | 2 | Codex, OpenCode | 1 | 790 tok |
| jxjwilliam/jinyong-finetune-qlora QLoRA fine-tuning of Qwen2.5-7B for Jin Yong–style wuxia generation (Kaggle T4, JSONL SFT) | 2 | Claude Code, Codex, OpenCode | 2 | 1,892 tok |
| chitamoor/shipkit chitamoor.github.io Production-ready full-stack starter: Next.js 15 + Expo 54 + Better Auth + Mastra AI + Neon | 2 | Codex, OpenCode | 1 | 3,842 tok |
| waynesutton/agent-memory | 2 | Claude Code, Codex, OpenCode | 2 | 2,501 tok |
| omtodkar/librarian AI coding assistant skill for 7 platforms. Turn your project into a searchable knowledge b | 2 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 4 | 4,194 tok |
| stlwolf/ai-development-hub Centralized, reusable, and optimized AI prompts and docs for development workflows. | 2 | Claude Code, Codex, OpenCode | 2 | 2,468 tok |
| Xclaw-bot/benchmark-task-authoring Claude Code skill: measured laws for authoring hard Terminal-Bench 2 / Harbor benchmark ta | 2 | Claude Code, Codex, OpenCode | 1 | 6,621 tok |
| stackoverworld/primer-ai | 2 | Codex, OpenCode | 1 | 1,367 tok |
| ezzcodeezzlife/ui-mcp MCP server that renders flexible shadcn-styled UI in your local browser | 2 | Claude Code, Codex, OpenCode | 2 | 1,966 tok |
| HuzaifaBinShahid/Repo-cards npmjs.com Markdown-first codebase context for AI coding assistants. One command, works in Claude Cod | 2 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 480 tok |
| HappyDoggyAI/superui SuperUI is an agent-agnostic skill set for frontend UI workflows. It is not a single promp | 2 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 391 tok |
| activetwist/amphion-agent-extension Extension-only source provenance for AmphionAgent VS Code extension | 2 | Claude Code, Codex, OpenCode | 10 | 2,700 tok |
| Matthewzegarra0312/ContextCore context-core-web.vercel.app Is the best cerebral mind of the IA | 2 | Claude Code, Codex, OpenCode | 2 | 1,562 tok |
| Genius-Cai/myunsw-cli Reverse-engineered myUNSW API documentation & Claude Code skill for UNSW enrollment automa | 2 | Claude Code, Codex, Cursor, OpenCode | 3 | 1,296 tok |
| abbanbhan/cursor-academy A hands-on Cursor Academy: clone, open chat, and follow guided quests to master Cursor and | 2 | Codex, Cursor, OpenCode | 7 | 423 tok |
| hitosea/ttpos-flutter TTPOS is a smart point-of-sale system for the food service industry | 2 | Claude Code, Codex, OpenCode | 11 | 2,493 tok |
| AIHongDOU/DoctorWhy | 2 | Claude Code, Codex, OpenCode | 2 | 613 tok |
| CrescentR/NextVibe Agent-native project navigator for AI coding tools. Know what to build next — no extra mod | 2 | Claude Code, Codex, OpenCode | 5 | 228 tok |
| vegastack/vegastack-cli DevOps Knowledge Harness for Agents | 2 | Claude Code, Codex, OpenCode | 3 | 1,796 tok |
| parzival1l/Altru Altru is a charity discovery app built with React, Express, and a Botpress AI agent to mat | 2 | Codex, OpenCode | 1 | 1,069 tok |
| vaquarkhan/platform-engineering-agent-skills | 2 | Claude Code, Codex, GitHub Copilot, OpenCode | 9 | 913 tok |
| okuzpe/midas-harness Midas — a portable product-development harness for AI agents: drive a product from idea to | 2 | Claude Code, Codex, Gemini CLI, OpenCode | 37 | 4,775 tok |
| arango-solutions/arango-sparql-py Python-native SPARQL 1.1 to AQL transpiler and microservice for ArangoDB | 2 | Claude Code, Codex, Cursor, OpenCode | 3 | 3,565 tok |
| huseyindol/game | 2 | Claude Code, Codex, OpenCode | 2 | 4,178 tok |
| hadefication/zeri A CLI tool for managing AI development contexts. | 2 | Claude Code, Codex, Gemini CLI, OpenCode | 5 | 213 tok |
| divo12/UVVR | 2 | Claude Code, Codex, OpenCode | 2 | 1,722 tok |
| vdeaugustine/Coding-Reference-Documentation Various AI generated reference documents that can be imported into Cursor or another IDE t | 2 | Codex, OpenCode | 1 | 95 tok |
| ymhhh/cursor-implements base cursor implements for vibe coding | 2 | Codex, Cursor, OpenCode | 4 | 820 tok |
| nitdraig/lexis-two lexis-two.excelso.xyz | 2 | Claude Code, Codex, GitHub Copilot, Cursor, Kiro, OpenCode | 34 | 4,252 tok |
| harness-mini/harness-mini harness-mini-website.vercel.app A minimal, CLI-agnostic agent harness — skills + sub-agents + distilled best-practice docs | 2 | Claude Code, Codex, OpenCode | 21 | 1,704 tok |
| sirkon/gogh Go source code generator | 2 | Codex, OpenCode | 1 | 6,606 tok |
| tomershlasky/agi AGI — Agent Gibberish Interceptor. Un-scrambles Hebrew-keyboard-layout gibberish back into | 2 | Codex, Gemini CLI, OpenCode | 2 | 406 tok |
| onflow/flow-actions-scaffold developers.flow.com Starter scaffold for Flow Actions on the Flow network. Composable DeFi primitives (Sources | 2 | Codex, OpenCode | 1 | 1,372 tok |
| otrebu/all-agents | 2 | Claude Code, Codex, OpenCode | 41 | 204 tok |
| mrnasil/pnpm-manager PNPM Manager | 2 | Claude Code, OpenCode | 2 | 541 tok |
| umpire-tools/umpire ⚾️ Reactive derived state for forms and apps with interdependent options. Get your app to | 2 | Claude Code, Codex, OpenCode | 2 | 1,346 tok |
| minchieh-fay/god | 2 | Claude Code, Codex, OpenCode | 4 | 120 tok |
| ihabkhaled/NextRanger Strict Next.js engineering OS for scalable frontend apps with architecture guardrails, mod | 2 | Claude Code, Codex, Cursor, Gemini CLI, OpenCode | 4 | 5,397 tok |
| GrayCodeAI/starling Community skill packages for hawk, the AI coding agent. 12,000+ modular instruction packag | 2 | Claude Code, Codex, OpenCode | 2 | 1,800 tok |
| sykopad/initra initra.vercel.app AI-powered project bootstrapping platform that generates tailored IDE agent configuration | 2 | Claude Code, Codex, OpenCode | 5 | 11,009 tok |
| BilLogic/design-harnessing-kit billogic.github.io | 2 | Claude Code, Codex, OpenCode | 8 | 26 tok |