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 |
|---|---|---|---|---|
| AZANIR/qa-skills qa-skills | 2 | Claude Code, Codex, Cursor, OpenCode | 61 | 3,224 tok |
| Venkateshvenki404224/frappe-testing-loop Static, runtime, Ponytail, and HTML audit loop for Frappe apps | 2 | Claude Code, Codex, OpenCode | 3 | 620 tok |
| QuentinHsu/skills | 2 | Codex, OpenCode | 1 | 359 tok |
| hubmessage-oficial/docs | 2 | Claude Code, Codex, OpenCode | 2 | 290 tok |
| yungyu16/skills Some Agent Skills I developed for personal use. | 2 | Claude Code, Codex, OpenCode | 2 | 1,579 tok |
| Neurotech-HQ/skills | 2 | Claude Code, Codex | 1 | — |
| tada5hi/skills tada5hi's curated collection of agent skills. | 2 | Claude Code, Codex, OpenCode | 2 | 1,454 tok |
| flowglad/skills | 2 | Claude Code, Codex, OpenCode | 2 | 910 tok |
| ryvn-technologies/skills Agent skills for Ryvn CLI | 2 | Claude Code, Codex, OpenCode | 2 | 1,112 tok |
| Ahmustufa/nestjs-best-practices-skill | 2 | Codex, OpenCode | 1 | 4,104 tok |
| cesarnml/son-of-anton sonofanton.vercel.app AI-assisted TypeScript delivery orchestrator. Develop with AI as team — not vibe-coding. | 2 | Claude Code, Codex, OpenCode | 11 | 962 tok |
| Timmyy3000/skills | 2 | Codex, OpenCode | 1 | 240 tok |
| JobsHwang/skills Small, explicit, composable skills for software delivery and knowledge work. | 2 | Codex, OpenCode | 1 | 274 tok |
| Muromi-Rikka/cc-learn claude-learn.pages.dev A Claude Code tutorial documentation site progressing from beginner to advanced | 2 | Claude Code, Codex, OpenCode | 5 | 1,332 tok |
| pmatos/skills Personal use skills | 2 | Claude Code, Codex, OpenCode | 2 | 2,877 tok |
| sanchitnis/SrujanaSangama | 2 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 28 | 1,825 tok |
| dmarzzz/shape-rotator-field-kit shape-rotator-tools.vercel.app | 2 | Codex, OpenCode | 1 | 3,224 tok |
| mihaiserban/skills AI Skills I personally use for my day to day tasks | 2 | Codex, OpenCode | 1 | 755 tok |
| g-cqd/skills Engineering harness: 7 tiered subagents + 19 atomic Agent Skills (Swift/Apple-platform + l | 2 | Claude Code, Codex, OpenCode | 2 | 6,879 tok |
| kwasati/KARL | 2 | Codex, OpenCode | 1 | 600 tok |
| incognitojam/skills | 2 | Claude Code, Codex, OpenCode | 2 | 257 tok |
| gsd-build/docs | 2 | Codex, OpenCode | 1 | 245 tok |
| gsmlg-opt/claude-code | 2 | Claude Code, Codex, OpenCode | 5 | 14,205 tok |
| huqianghui/csa-ppt-plugin All-in-one presentation toolkit for Azure Cloud Solution Architects - Claude Code plugin w | 2 | Claude Code, Codex, GitHub Copilot, Cursor, OpenCode | 4 | 3,725 tok |
| mathiasbourgoin/roster Personal AI agent roster + recruiter meta-agent for assembling project teams | 2 | Claude Code, Codex, OpenCode | 2 | 4,237 tok |
| lhohan/claude-code-plugins Hans' reusable Claude Code commands, skills, hooks, etc | 2 | Claude Code, Codex, OpenCode | 2 | 1,824 tok |
| EarthChen/ai-assets | 2 | Claude Code, Codex, OpenCode | 2 | 1,185 tok |
| Nivl/Config My system configuration | 2 | Claude Code, Codex, OpenCode | 3 | 17,987 tok |
| SpineEventEngine/config spine.io Dependencies and build configurations shared among subprojects | 2 | Claude Code, Codex, GitHub Copilot, OpenCode | 7 | 2,359 tok |
| sanpingli/skills A cross-domain repository of agent SKILL packs | 2 | Codex, OpenCode | 1 | 731 tok |
| fang2hou/skills skills.sh Reusable Agent Skills for coding agents, distributed through the skills CLI. | 2 | Codex, OpenCode | 1 | 905 tok |
| niuverse/skills niuverse skills archived | 2 | Claude Code, Codex, OpenCode | 2 | 816 tok |
| samuelgudi/iknowkungfu Agent-agnostic registry for skill discovery and contribution. Works across Claude Code, He | 2 | Codex, OpenCode | 1 | 1,334 tok |
| sivi/skills Skills to generate design assets such as ads, banner, social posts, thumbnails, and more f | 2 | Claude Code, Codex, OpenCode | 2 | 2,720 tok |
| RobLoach/skills Agent SKILLs for GitHub repository issue curation and pull request workflows | 2 | Codex, OpenCode | 1 | 1,066 tok |
| mani5100/claude-skills Claude Code skills for academic and professional success - includes Professor Finder, Prof | 2 | Claude Code, Codex, OpenCode | 2 | 43 tok |
| ZhaoMCX/Skills Platform-neutral Agent skill source collection | 2 | Codex, OpenCode | 1 | 87 tok |
| Zhanghaohao666/claude-code A runnable version built from the Claude Code source code | 2 | Codex, OpenCode | 1 | 539 tok |
| itdove/devaiflow DevAIFlow - Manage AI coding assistant sessions with JIRA and GitHub Issues integration | 2 | Claude Code, Codex, OpenCode | 7 | 21,699 tok |
| safurrier/claude-code-tutorial Interactive tutorial for learning Claude Code - single line install and learn to claude co | 2 | Claude Code, Codex, OpenCode | 2 | 640 tok |
| heyadam/composer composer.design | 2 | Claude Code, Codex, OpenCode | 10 | 3,260 tok |
| enuno/dokploy A collection of dokploy application templates designed to be integrated with Cloudflare se | 2 | Claude Code, Codex, GitHub Copilot, OpenCode | 13 | 4,643 tok |
| Black-coffe/vulyk Hive orchestration for Claude Code — model cascade, external memory, self-evolving skills. | 2 | Claude Code, Codex, OpenCode | 39 | 2,012 tok |
| NastyRunner13/Open-Claude-Code An Open-Source Claude Code alternative | 2 | Codex, OpenCode | 1 | 656 tok |
| Mahir-Isikli/claude-code-for-research Claude Code skills & routines for academic research — HU Berlin session, June 2026 | 2 | Claude Code, Codex, OpenCode | 2 | 236 tok |
| Cyvid7-Darus10/claude-code-config My Claude Code configuration: 29 agents, 60 commands, 60 skills, 65 rules. Built on everyt | 2 | Codex, OpenCode | 1 | 253 tok |
| puppylpg/puppylpg.github.io puppylpg wants to say | 2 | Claude Code, Codex, OpenCode | 8 | 5,435 tok |
| ASolisEk/ai-specs This repository contains a comprehensive set of development rules, standards, and AI agent | 2 | Claude Code, Codex, Gemini CLI, OpenCode | 15 | 33 tok |
| LucasMatuszewski/JSystems-SilkyCoders-1 | 2 | Claude Code, Codex, GitHub Copilot, OpenCode | 24 | 1,539 tok |
| zhmxiaowo/opencode-simple A fork of everything-claude-code that adapts its workflow for UE5 (Unreal Engine), Unity, | 2 | Claude Code, Codex, OpenCode | 59 | 1,965 tok |