45,053 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 agents8,576Claude Code6,909Git and workflow3,638Data and AI3,577Backend and APIs3,561Languages3,499Planning3,322Code review2,907Testing2,704DevOps and cloud2,498Writing and docs2,488Memory and context2,373Research2,320Frontend2,317Security2,182Project management1,989
All Claude Code32,564 Codex24,947 OpenCode23,868 GitHub Copilot3,726 Gemini CLI2,040 Cursor1,770 Windsurf203 Kiro117
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| Daita-Corp/claude-code Tools for developers using Anthropic's Claude Code | 2 | Claude Code | 10 | 1,284 tok |
| davidcpage/skill-issues | 2 | Claude Code | 5 | 684 tok |
| bmsuisse/skills bmsuisse.github.io | 2 | Codex, OpenCode | 1 | 128 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 |
| cosminmarian53/skills A set of security-oriented Claude skills for smart contract auditing on multiple blockchai | 2 | Claude Code | 1 | 142 tok |
| khalilgitsit/claude-code My Claude Code configuration — status line, themes, and setup | 2 | Claude Code | 1 | 206 tok |
| haopenglau/skills haopeng.liu's skills | 2 | Claude Code | 2 | 286 tok |
| hubmessage-oficial/docs | 2 | Claude Code, Codex, OpenCode | 2 | 290 tok |
| Jerrylingj/skills My personal useful skills | 2 | Claude Code | 1 | — |
| hmyuuu/skills my daily used skills | 2 | Claude Code | 1 | 207 tok |
| wk-j/skills | 2 | Claude Code | 2 | 438 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 |
| charl-kruger/skills | 2 | Claude Code | 1 | — |
| andrewxhill/cashew | 2 | Claude Code | 1 | — |
| BreadchainCoop/labor.fun A standalone, multi-org framework for multi-channel AI assistants | 2 | Claude Code | 33 | 1,425 tok |
| atlasassistants/atlas-skills-library | 2 | Claude Code | 1 | 1,250 tok |
| saemihemma/lead-producer-oss orchestrator for agent skills and a library of agent skills to help with software developm | 2 | Claude Code | 1 | — |
| fivetaku/gpters-cc GPTers Claude Code study workspace | 2 | Claude Code | 3 | 2,541 tok |
| nacif-software/skills Skills for LLM Assisted software development | 2 | Claude Code | 1 | 1,098 tok |
| ryvn-technologies/skills Agent skills for Ryvn CLI | 2 | Claude Code, Codex, OpenCode | 2 | 1,112 tok |
| johnie/skills skills.johnie.se Production-ready AI agent skills for development workflows. Agent-agnostic prompt template | 2 | Claude Code, Codex, GitHub Copilot, OpenCode | 5 | 2,646 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 |
| domini-code/ai-spec-builder ai-spec-builder.vercel.app ai-spec-builder | 2 | Claude Code | 6 | 624 tok |
| JobsHwang/skills Small, explicit, composable skills for software delivery and knowledge work. | 2 | Codex, OpenCode | 1 | 274 tok |
| smurzaliev/flutter-ai-skills | 2 | Claude Code | 1 | 1,828 tok |
| wangbinquan/skills A daily collection of useful harnesses | 2 | Claude Code, OpenCode | 21 | 1,999 tok |
| psd401/psd-claude-plugins Peninsula School District's comprehensive Claude Code plugin system with proven workflow a | 2 | Claude Code | 1 | 5,080 tok |
| dirkkok101/skills Skills for AI agents | 2 | Gemini CLI | 1 | 389 tok |
| forayconsulting/crawledcode DnD Emulator for Claude Code | 2 | Claude Code | 4 | 4,507 tok |
| amjadjibon/skills amjadjibon.github.io Dev Skills | 2 | Claude Code | 2 | 2,125 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 |
| theshadow27/mcp-cli an MCP cli | 2 | Claude Code | 26 | 4,225 tok |
| MapleAI-Tech/skills An open-source collection of skills from Qingfeng Digital Technology | 2 | Claude Code | 1 | 443 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 |
| swesmith/davila7__claude-code-templates.734b8a50 | 2 | Claude Code | 9 | 5,812 tok |
| hiadamhere/skills | 2 | Claude Code | 1 | 148 tok |
| holmconsulting-dk/claude-multiregnskab Claude Code plugin for working with multiregnskab.dk | 2 | Claude Code | 1 | — |
| polardb/polardb-pg-skills | 2 | Claude Code | 1 | 572 tok |