43,652 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 |
|---|---|---|---|---|
| MDMAtk/TormentNexus At long last | 12 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 5 | 2,603 tok |
| ShankarKakumani/transformers Multi-agent orchestration for Claude Code. | 12 | Claude Code | 1 | 1,319 tok |
| jon-devlapaz/tink-skills Find, test, and improve agent skills | 12 | Codex, OpenCode | 1 | 21 tok |
| hjxxlogic/open-vivado skill for vivado | 12 | Codex, OpenCode | 1 | 525 tok |
| XWJDream/MimoAgent AI-powered coding assistant desktop app based on Xiaomi MiMo. Supports code generation, de | 12 | Claude Code, Codex, OpenCode | 2 | 6,505 tok |
| rachittshah/cc-codex Codex + Claude Code Integration: Use OpenAI Codex for planning/reasoning and Claude Code C | 12 | Claude Code, Codex, OpenCode | 2 | 5,775 tok |
| 4t145/lark-acp npmjs.com Bridge Feishu/Lark chat messages to any ACP-compatible AI agent (Copilot, Claude, Codex, G | 12 | Claude Code | 1 | 2,801 tok |
| codeChap/mcp-server-yii2-ai-boost MCP server for Yii2 — 16 tools for database inspection, semantic search, profiling, and AI | 12 | Claude Code | 1 | 3,408 tok |
| re-cinq/lore-oss Shared context infrastructure for Claude Code. Org awareness + agent memory + task pipelin | 12 | Claude Code, Codex, OpenCode | 5 | 4,641 tok |
| vietanhdev/bulwark bulwark.nrl.ai A Linux host security scanner with a native CLI and desktop GUI — SSH/kernel/systemd harde | 12 | Claude Code, Codex, OpenCode | 2 | 13,640 tok |
| microsoft/github-constellation-software microsoft.github.io A curated public hub of GitHub and GitHub Copilot resources for Constellation Software Inc | 12 | GitHub Copilot | 1 | 1,431 tok |
| alanjmr21/whatsapp-agent-kit | 12 | Claude Code | 2 | 10,921 tok |
| Jiang59991/videocut-kit | 12 | Codex, OpenCode | 1 | 1,037 tok |
| inematds/timesmkt3 Fábrica de conteúdo de marketing com agentes de IA orquestrados por bot Telegram | 12 | Claude Code, Codex | 2 | 3,087 tok |
| elmacnifico/dojo A Black-Box Contract Engine for Agentic Software Development | 12 | Codex, OpenCode | 1 | 1,984 tok |
| maris205/open-rosalind openrosalind.bio open-rosalind: open source version of gpt rosalind | 12 | Codex, OpenCode | 1 | 253 tok |
| wjt0321/lottery-predictor A Double Color Ball lottery prediction tool based on historical data statistics, using mul | 12 | Claude Code, Codex, OpenCode | 2 | 6,249 tok |
| zxtshine/boos-ai | 12 | Claude Code | 1 | 1,829 tok |
| chouenchieh/china-law Claude Code plugin for Chinese legal practice · 45 skills · Integrates the PKULaw MCP and | 12 | Claude Code | 1 | 7,381 tok |
| MagPasulke/off-stack-abap-template Template Repo for getting started with off-stack-abap | 12 | Codex, OpenCode | 1 | 230 tok |
| FunFR/ha-indygo-pool A Home Assistant Integration for Indygo connected pool solution | 12 | Claude Code, Codex, OpenCode | 2 | 937 tok |
| djsmithdev/combatmode | 12 | Claude Code, Codex, OpenCode | 2 | 413 tok |
| aemsites/author-kit Powerfully simple authoring for Edge Delivery | 12 | Claude Code, Codex, OpenCode | 5 | 1,788 tok |
| input-output-hk/cardano-init Go from zero to a running Cardano protocol in one command | 12 | Claude Code | 1 | 1,252 tok |
| Code-with-Beto/ship cwb.sh Production-ready React Native template with in-app purchases, AI image generation, and App | 12 | Codex, OpenCode | 1 | 563 tok |
| shinjiyu/holdem Embeddable NLHE engine for Cursor / DeepSeek Harness / Codex / CLI — portable ADL + multi- | 12 | Codex, OpenCode | 1 | 431 tok |
| haruhisa-enomoto/math-research-harness An agent-ready repository template for mathematical research: scope, literature, evidence, | 12 | Claude Code, Codex, OpenCode | 2 | 3,029 tok |
| adriancmurray/swarm | 12 | Codex, OpenCode | 1 | 631 tok |
| chryzxc/vscode-opencode marketplace.visualstudio.com OpenCode VS Code extension with AI chat, interactive implementation plans and questions, c | 12 | Codex, OpenCode | 1 | 599 tok |
| guyumengyue/zotero-obsidian-codex-workflow Windows-first Zotero Obsidian Codex literature workflow with one-step bootstrap skill | 12 | Claude Code, Codex, OpenCode | 3 | 484 tok |
| stancsz/fnd-reverb-vst3 stancsz.github.io Open-source, modular reverb engine offering high-fidelity algorithms inspired by Valhalla | 12 | Codex, OpenCode | 1 | 77 tok |
| masterfabric/masterfabric-project-tracker | 12 | Claude Code, Cursor | 5 | — |
| tryingET/pi-server Session multiplexer for pi-coding-agent — WebSocket + stdio, the protocol IS the architect | 12 | Codex, OpenCode | 1 | 11,901 tok |
| AISEE-LAB/aisee-plugin aisee.wiki AI software engineering toolkit for OpenSpec and Compound Engineering workflows. | 12 | Codex, OpenCode | 1 | 471 tok |
| esaruoho/apple Apple Automation Architecture & Workflows — studying macOS automation libraries and contin | 12 | Claude Code, Codex, OpenCode | 4 | 3,491 tok |
| calionauta/stelow stelow — your agentic product team. AI agents less like coding assistants, more like cross | 12 | Codex, OpenCode | 1 | 4,366 tok |
| byronjohnson/litelight litelightbox.com A lightweight JavaScript lightbox | 12 | Codex, OpenCode | 1 | 1,188 tok |
| SebastienDuruz/Window-Switcher A simple application to switch between windows with clickable thumbnails | 12 | Codex, OpenCode | 1 | 1,010 tok |
| sgskills/sgxueai “AI E-Commerce Fundamentals: From Beginner to Mastery” public-interest course website · Pr | 12 | Codex, OpenCode | 1 | 1,376 tok |
| duongtruongdp/ND-ImgConverter duongtruongdp.net A fast, native media conversion toolkit for photographers, filmmakers and creators. | 12 | Codex, OpenCode | 1 | 633 tok |
| geekdada/sui3 Yet another personal start page.｜Yet another personal start page. | 12 | Claude Code, Codex, OpenCode | 3 | 1,465 tok |
| code-yeongyu/codex-rules Codex plugin that injects project rule files into model context through lifecycle hooks. | 12 | Claude Code, Codex, OpenCode | 1 | 377 tok |
| kstep-dev/kstep kstep-dev.github.io kSTEP: Kernel Scheduler Test and Evaluation Platform | 12 | Codex, OpenCode | 1 | 802 tok |
| QuixiAI/QuixiMath | 12 | Codex, OpenCode | 1 | 2,082 tok |
| peiyucn/epytor marketplace.visualstudio.com WYSIWYG Markdown editor for VS Code, powered by Milkdown. | 12 | Codex, OpenCode | 1 | 4,974 tok |
| Mozilla-Ocho/tabstack-cli | 12 | Claude Code, Codex, OpenCode | 2 | 6,905 tok |
| ericediger/SECOND-BRAIN My implementation of the Second Brain concept inspired by Nate B. Jones and Tiago Forte's | 12 | Claude Code | 1 | 1,427 tok |
| linuxfoundation/lfx-self-serve linuxfoundation.github.io LFX Self Serve UI | 12 | Claude Code, Codex, GitHub Copilot, OpenCode | 21 | 6,781 tok |
| chriswritescode-dev/opencode-forge OpenCode plugin for autonomous dev loops, planning, and worktree sandbox environments. | 12 | Codex, OpenCode | 1 | 1,852 tok |
| hyun06000/AIL-old A programming language designed for AI as the primary author of code | 12 | Claude Code | 3 | 15,359 tok |