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 |
|---|---|---|---|---|
| Lutra-Fs/sift An MCP and skills manager that reduces cognitive load across multiple AI agents. | 2 | Claude Code, Codex, OpenCode | 2 | 1,131 tok |
| speech115/notes-skill Local-first /notes skill for agent-made study notes from YouTube, transcripts, audio, and | 2 | Codex, OpenCode | 1 | 681 tok |
| SmallNoc/noc-living-docs Living docs protocol and Codex skill for keeping AI-assisted code changes, requirements, s | 2 | Codex, OpenCode | 1 | 367 tok |
| matracey/daisyui-mcp-server MCP server for daisyUI React components — search docs, props, and code examples from any A | 2 | Codex, GitHub Copilot, OpenCode | 2 | 1,577 tok |
| Jared13PG/ai-engineering-workflow Description: A structured engineering workflow skill for complex AI-assisted coding, cours | 2 | Codex, OpenCode | 1 | 1,404 tok |
| srinitude/skills skills.sh All of my portable Agent Skills with local validation and MCP access | 2 | Codex, OpenCode | 1 | 1,510 tok |
| williamjxj/friendshipdaycare friendshipdaycare.com A stunning, well-design UI, multi-themes, multi-languages supports product using nextjs, t | 2 | Codex, GitHub Copilot, OpenCode | 2 | 1,341 tok |
| MajesteitBart/TalentMatcher bartvandermeeren.nl AI-powered system for automatically matching rejected candidates to alternative open posit | 2 | Claude Code, Codex, OpenCode | 61 | 4,942 tok |
| reachjalil/skills-kit Repo-local skill switchboard for agent skill libraries | 2 | Codex, OpenCode | 1 | 171 tok |
| is-bo/fullstack-forge-skill A production full-stack engineering skill suite for AI coding agents—covering UI, UX, secu | 2 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 446 tok |
| scalekit-inc/skills Skills that teach AI coding agents to integrate Scalekit auth — agent auth, full-stack log | 2 | Codex, OpenCode | 1 | 584 tok |
| YosefHayim/planpage npmjs.com CLI and Preact kit that renders AI agent plans and reports as local HTML, with in-browser | 2 | Codex, OpenCode | 1 | 2,534 tok |
| Zhangs-11/zs-skills Kakarot's Chinese Agent Skills collection: automated three-pass steelman analysis for impo | 2 | Claude Code, Codex, OpenCode | 2 | 4,125 tok |
| Hubujiu/practical-coding A lean, event-driven coding skill for AI agents. Less over-engineering, zero ceremony, sur | 2 | Codex, OpenCode | 1 | 701 tok |
| seatlayer/seatlayer-ai-toolkit docs.seatlayer.io SeatLayer's AI toolkit for coding agents: portable agent skills, deterministic integration | 2 | Codex, OpenCode | 1 | 142 tok |
| swaaap-nil/system-design-skill Turn any codebase into a Staff-level system design interview problem. One command, works i | 2 | Codex, OpenCode | 1 | 380 tok |
| 2612evgenii-hue/business-idea-evaluator Objective evaluation of business ideas through 18 subagents and a Business Reality Score. | 2 | Codex, OpenCode | 1 | 938 tok |
| ai-creed/ai-shakespii npmjs.com Workbench for Agent Skills — lint, test, benchmark, and gate-install SKILL.md skills for C | 2 | Codex, OpenCode | 1 | 2,002 tok |
| xirothedev/skills NestJS API best-practice skill and adapter pack for coding agents. | 2 | Claude Code, Codex, OpenCode | 2 | 5,701 tok |
| 2018wzh/windows-sandbox-computer-use Windows Sandbox-only visual control and scoped file sharing skill for Codex and npx skills | 2 | Codex, OpenCode | 1 | 475 tok |
| BreetyGreen/Myco Myco — the mycelial layer for your AI agents. A macOS menu-bar app that shares one skill a | 2 | Codex, OpenCode | 1 | 1,924 tok |
| ReyYang/SkillYard A local-first macOS app for organizing, installing, taking over, mounting, and updating AI | 2 | Codex, OpenCode | 1 | 925 tok |
| xFurti/leogriel xfurti.github.io Weave Agent Skills into every workflow — discover, lock, sync, audit, and test across codi | 2 | Codex, OpenCode | 1 | 607 tok |
| rdlugs/roborak roborak.pages.dev AI code review from the terminal: local diffs, GitLab MRs, and GitHub PRs. Severity-graded | 2 | Claude Code, Codex, OpenCode | 2 | 2,523 tok |
| SeasonXue/avatar-forge-skill An Agent Skill for creating reusable, style-consistent human and character avatars | 2 | Codex, OpenCode | 1 | 2,891 tok |
| yasik/kmd Agentic knowledge base and wiki management that works with any agent harness | 2 | Claude Code, Codex, OpenCode | 2 | 894 tok |
| keepYaoung/artifact-organizer Agent skill that turns semantic JSON into self-contained, themed HTML — then stacks your a | 2 | Codex, OpenCode | 1 | 1,761 tok |
| eliranpv11/code-discipline-skills Production-grade coding methodology for AI coding agents, Claude Code, Cursor, Codex. Six | 2 | Claude Code, Codex, OpenCode | 2 | 3,603 tok |
| yu-iskw/skill-inspector npmjs.com A sophisticated tool designed to bring quality and security to the world of AI Agent Skill | 2 | Claude Code, Codex, OpenCode | 2 | 617 tok |
| wuhonglei/skills | 2 | Codex, OpenCode | 1 | 618 tok |
| Rayan55050/progressive-agent Provide a customizable AI assistant on Telegram with multiple tools, skills, and monitors | 2 | Claude Code, Codex, OpenCode | 2 | 1,573 tok |
| vima-tech/Innate Self-growing procedural knowledge layer for AI agents. Rust MCP server + CLI — recall rele | 2 | Claude Code, Codex, OpenCode | 4 | 6,970 tok |
| LomoMao/delegate-to-deepseek-harness Codex Agent Skill: delegate bounded coding work to DeepSeek Harness, then independently re | 2 | Codex, OpenCode | 1 | 144 tok |
| liusencomic-cyber/douyin-agent-kit Agent-agnostic Douyin content extraction & creator distillation skill kit — GPU transcript | 2 | Codex, GitHub Copilot, OpenCode | 2 | 2,141 tok |
| Yesterday-AI/skills Yesterday's PUBLIC plugin catalog for Claude Code and Cursor | 2 | Codex, OpenCode | 1 | 1,012 tok |
| theonlym7md/arabic-ai-skills skills.sh Arabic UX writing, RTL design, and product-localization skills for Codex, Claude Code, Cur | 2 | Codex, OpenCode | 1 | 338 tok |
| kesaruhasun/awesome-antigravity-skills-mcp-guide Curated directory of Google Antigravity Agent Skills, Model Context Protocol (MCP) servers | 2 | Codex, OpenCode | 1 | 465 tok |
| JoaoEquer/Oficina Regras, skills e comandos versionados para assistentes de código com IA (Claude Code, Gemi | 2 | Codex, OpenCode | 1 | 1,142 tok |
| mtthsnc/tempest Tempest — a cross-harness software factory: opinionated build & QA workflows as portable A | 2 | Claude Code, Codex, OpenCode | 2 | 1,012 tok |
| programmingWTF/repo-standardizer clawhub.ai Agent skill: polish any GitHub repo's surface — labels, issue forms, PR template, CI, bran | 2 | Claude Code, Codex, OpenCode | 2 | 751 tok |
| mianbaofang/exam-revision-handbook mianbaofang.github.io Open-source AI Agent Skill for source-backed GCSE, IGCSE, A-Level and College Board AP rev | 2 | Codex, OpenCode | 1 | 696 tok |
| phenomenoner/ai-agent-thinkroom An on-demand, local-first AI think tank that opens independent lines of inquiry, tests the | 2 | Codex, OpenCode | 1 | 362 tok |
| thangnguyenworkspace/company-research-pipeline Repeatable company-research pipeline for Claude Code: seven cited, confidence-tagged dossi | 2 | Claude Code, Codex, OpenCode | 2 | 1,082 tok |
| gunwoo55/adaptive-token-efficiency Lightweight fast-path instruction package for AI coding agents: reduces unnecessary contex | 2 | Codex, OpenCode | 1 | 113 tok |
| hraness/direct Retired | 2 | Claude Code, Codex, OpenCode | 13 | 3,862 tok |
| mertcanciy/news-reviewer Turn a news item into a research briefing instead of a summary: verified facts, historical | 2 | Codex, Gemini CLI, OpenCode | 2 | 1,492 tok |
| arDaraz/playwright-my-chrome Agent Skill for controlling an already-running signed-in Chrome session with Playwright | 2 | Claude Code, Codex, OpenCode | 2 | 1,832 tok |
| ashujha301/jobgru AI job search pipeline for Cursor, Claude & Codex - find jobs, track in Google Sheets, Lin | 2 | Codex, OpenCode | 1 | 657 tok |
| adadiamonds/agent-tools adadiamonds.com Official Ada Diamonds agent tools: Agent Plugins manifest, skills for skills.sh, and MCP s | 2 | Codex, Cursor, OpenCode | 2 | 1,472 tok |
| lancegui/causal-powers Economist's discipline for data analysis, causal inference, and econometrics — reduced-for | 2 | Codex, OpenCode | 1 | 4 tok |