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 |
|---|---|---|---|---|
| williamchmw/BossCoding | 2 | Claude Code, Codex, OpenCode | 2 | 1,089 tok |
| shipshitgames/skills AI agent skills for vibe-coding 3D browser games with Claude Code + Codex | 2 | Claude Code, Codex, OpenCode | 2 | 467 tok |
| kurrent-io/skills kurrent.io Agent Skills for building with Kurrent | 2 | Claude Code, Codex, OpenCode | 2 | 6,042 tok |
| HanksChen0110/skills my skills manage hub | 2 | Codex, OpenCode | 1 | 5,177 tok |
| kunk-li/skills Using skills | 2 | Codex, OpenCode | 1 | 3,644 tok |
| hon454/grimoire A custom Codex harness and plugin for reusable agent workflows. | 2 | Codex, OpenCode | 1 | 298 tok |
| probabl-ai/skore-cli docs.skore.probabl.ai Command Line Interface for Skore | 2 | Codex, OpenCode | 1 | 467 tok |
| szampier/skills AI agent skills for GitHub Copilot CLI and other coding agents | 2 | Codex, OpenCode | 1 | 148 tok |
| 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 | 1,052 tok |
| flowglad/skills | 2 | Claude Code, Codex, OpenCode | 2 | 910 tok |
| jscholz/hermes-agent-workflow A public template for deploying a personal AI assistant stack (hermes-agent + sidekick PWA | 2 | Claude Code, Codex, OpenCode | 2 | 5,959 tok |
| triskweline/skills Agent skills I use in my work | 2 | Claude Code, Codex, OpenCode | 2 | 1,474 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 |
| BTreeMap/SKILLs A centralized library of reusable, project-agnostic Markdown skills for LLM coding agents. | 2 | Claude Code, Codex, OpenCode | 2 | 1,990 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 | 2,067 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 | 6,162 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 | 13,454 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 | 4,056 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 | 1,624 tok |
| Nivl/Config My system configuration | 2 | Claude Code, Codex, OpenCode | 2 | 9,261 tok |
| SpineEventEngine/config spine.io Dependencies and build configurations shared among subprojects | 2 | Claude Code, Codex, GitHub Copilot, OpenCode | 7 | 2,124 tok |
| sanpingli/skills A cross-domain repository of agent SKILL packs | 2 | Codex, OpenCode | 1 | 731 tok |
| fang2hou/skills Reusable Agent Skills for coding agents, distributed through the skills CLI. | 2 | Codex, OpenCode | 1 | 841 tok |
| tomimor/skills tomimoreno.com.ar Library of personal and vendor skills | 2 | Codex, OpenCode | 1 | 1,453 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 |
| 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 |
| pmbrull/claustre claustre.pmbrull.me TUI for orchestrating multiple Claude Code sessions across projects | 2 | Claude Code, Codex | 3 | 7,719 tok |
| Zhanghaohao666/claude-code A runnable version built from the Claude Code source code | 2 | Codex, OpenCode | 1 | 539 tok |