23,222 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 |
|---|---|---|---|---|
| MidnightMarathon/securetools securegenerators.com A collection of free tools for public use | 2 | Codex, GitHub Copilot, Cursor, OpenCode | 3 | 3,225 tok |
| jasonmeans/pm-skills Place to learn about and experiment with Codex skills and agents. | 2 | Claude Code, Codex, OpenCode | 2 | 3,121 tok |
| Raccoon-Office/aisyncer sync skills,rules,workflow,memory to claude windsurf cursor | 2 | Claude Code, Codex, OpenCode | 2 | 2,028 tok |
| wpuing/cbp-application Cross-border payment system (CrossPay) — a decoupled front-end and back-end cross-border p | 2 | Codex, OpenCode | 1 | 3,632 tok |
| maiscafe/video_motion Automatização de vídeos para criativos | 2 | Claude Code, Codex, OpenCode | 21 | 1,296 tok |
| hannsxpeter/authenticity-check Pure-prompt skill that scores how authentically text reads as a real human author's work a | 2 | Codex, GitHub Copilot, Gemini CLI, OpenCode | 3 | 2,153 tok |
| LukasZhao/memory-inheritance Generate persistent project memory files for AI coding agents like Codex, Claude Code, Cur | 2 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 804 tok |
| rafaelcg/agentoscope Visualize your repo's agent instructions (AGENTS.md, CLAUDE.md, Cursor rules, Copilot inst | 2 | Codex, OpenCode | 1 | 664 tok |
| Smithaker10/webdev101 | 2 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 6 | 2,437 tok |
| qte77/agentic-market-research-to-gtm Stop Guessing. Start Dominating. - Automated market intelligence for AI startups that refu | 2 | Claude Code, Codex, OpenCode | 11 | 1,956 tok |
| wintersdragon-c/LLM-Wiki-AIResearch An LLM-maintained AI research wiki for Obsidian, inspired by Andrej Karpathy' s llm-wiki p | 2 | Claude Code, Codex, OpenCode | 2 | 3,035 tok |
| PabloCoello/dotmesh Setup modular y extensible para trabajar con Python, R y Quarto en Neovim, con integración | 2 | Claude Code, Codex, OpenCode | 3 | 7,930 tok |
| gonzi-stack/deepseek-skills | 2 | Claude Code, Codex, OpenCode | 9 | 3,233 tok |
| hilt21/Adaptive-Harness A local-first, client-agnostic progressive agent harness providing verified workspace iden | 2 | Codex, OpenCode | 1 | 1,429 tok |
| nangongwentian-fe/Awesome-GlobalRule Sharing the Global Rule I am currently using | 2 | Codex, OpenCode | 1 | 3,006 tok |
| kintecus/build Claude Code as a product manager's operating system. The open framework my own PM workspac | 2 | Claude Code, Codex, OpenCode | 9 | 1,195 tok |
| practical-stack/ai-lab | 2 | Claude Code, Codex, OpenCode | 14 | 1,318 tok |
| Purchasely/Purchasely-AI-Plugin AI coding assistant plugin for Purchasely SDK integration — works with Claude Code, Cursor | 2 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 4,667 tok |
| dieuwedeboer/dotfiles Shared configuration and utilities for my Arch Linux home directories | 2 | Claude Code, Codex, OpenCode | 2 | 361 tok |
| tjmustard/Hypergraph-Coding-Agent-Framework A rigorous, Spec-First framework for autonomous software engineering. Solves the Specifica | 2 | Claude Code, Codex | 58 | — |
| TMHSDigital/CFX-Developer-Tools tmhsdigital.github.io AI-powered Cursor IDE plugin for FiveM and RedM resource development. 9 skills, 6 rules, 6 | 2 | Claude Code, Codex, Cursor, OpenCode | 3 | 6,431 tok |
| musbabaff/retell-clone-ref | 2 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 5 | 2,437 tok |
| joshka/practice | 2 | Codex, OpenCode | 1 | 1,326 tok |
| YangFan-Code-Star/context-dev A self-improving agent-context framework for DeepSeek Harness | 2 | Codex, OpenCode | 1 | 2,651 tok |
| flomeile/leo-starter Starter Pack for Leo Second Brain Repo | 2 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 6 | 16,103 tok |
| WYZDevin/ChronoGeoLab Official documentation site for ChronoGeoLab — an open toolkit for time-geographic visuali | 2 | Claude Code, Codex, OpenCode | 2 | 818 tok |
| RodrigoTomeES/beyond-the-prompt-template beyond-the-prompt.rodrigotome.es Template para el taller de IA con OpenCode + GitHub Copilot | 2 | Codex, OpenCode | 1 | 258 tok |
| laguagu/agents-best-practices .agents-first best practices for AI agent skills — templates, guides, and auditing tools f | 2 | Claude Code, Codex, OpenCode | 2 | 255 tok |
| CHVSAnirudh/debugger-skill-eval | 2 | Codex, OpenCode | 1 | 508 tok |
| 3dsimopetrelli/wpblackwork wordpress for blackwork site | 2 | Claude Code, Codex, OpenCode | 2 | 3,423 tok |
| Rajmeet/ccmigrate Local-first CLI for migrating and sharing coding-agent chat context | 2 | Codex, OpenCode | 1 | 1,014 tok |
| pattssun/handcontrol | 2 | Claude Code, Codex, OpenCode | 2 | 573 tok |
| AsteriskZuo/mcpcm | 2 | Claude Code, Codex, OpenCode | 9 | 380 tok |
| machbuilds/atom Atom is the seed. Every project you ship begins here — with cross-project memory, opiniona | 2 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 1,645 tok |
| AClerbois/gh-aw-copilot-devdays-namur-2026 Contenu pour la session GitHub Copilot DevDays 2026 | 2 | Codex, OpenCode | 1 | 1,288 tok |
| ACM-player/codex_muti-agents | 2 | Codex, OpenCode | 1 | 1,219 tok |
| dralgorhythm/copilot-personas A collection of meaningful Personified prompts for Agentic Copilot partnership. | 2 | Codex, GitHub Copilot, OpenCode | 38 | 21,382 tok |
| aaryanporwal/websoot-v1 aaryanporwal.com Aaryan's Personal Website made with Astro | 2 | Codex, OpenCode | 1 | 965 tok |
| WojcikMM/spec-development-protocol An AI-Agentic Framework for Spec-Driven Engineering | 2 | Claude Code, Codex, GitHub Copilot, OpenCode | 16 | 5,059 tok |
| shinaoka/agentic-issue-solver Central single-run issue solver for headless coding agents | 2 | Codex, OpenCode | 1 | 284 tok |
| yuvhaim-gif/dev_harness experimental zero-trust containment framework for autonomous LLM agents. Intentionally tra | 2 | Codex, OpenCode | 1 | 392 tok |
| qq15725/land | 2 | Claude Code, Codex, OpenCode | 3 | 2,304 tok |
| systemowiec/ai-agents-workspace-starter | 2 | Claude Code, Codex, OpenCode | 33 | 3,496 tok |
| dojo-coder/sensei | 2 | Claude Code, Codex, OpenCode | 2 | 37,115 tok |
| zyn08/TUMExchange | 2 | Codex, OpenCode | 1 | 4,117 tok |
| duck-lint/coding-agent-harness youtu.be This harness prevents common failure modes with iterative AI-assisted coding. Especially h | 2 | Codex, OpenCode | 1 | 1,654 tok |
| az9713/claude-code-agentic-framework A Claude Code plugin implementing the Codebase Singularity concept - enabling AI agents to | 2 | Claude Code, Codex, OpenCode | 22 | 4,113 tok |
| Securability-Engineering/securability-engineering-capability A Claude Code plugin offering secure code generation through application of the FIASSE - T | 2 | Claude Code, Codex, OpenCode | 3 | 4,528 tok |
| bobbylough/ai-pit-crew | 2 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 8 | 2,467 tok |
| SummerSec/semantic-linter A plugin and command-line tool for LLM instruction files that detects overly broad semanti | 2 | Claude Code, Codex, OpenCode | 2 | 663 tok |