43,713 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 agents7,642Claude Code6,648Data and AI3,676Backend and APIs3,504Languages3,399Planning3,222Git and workflow3,208Code review2,743Testing2,379Memory and context2,369Writing and docs2,323DevOps and cloud2,312Research2,290Frontend2,262Security2,025Productivity1,719
All Claude Code31,997 Codex23,311 OpenCode22,257 GitHub Copilot3,557 Gemini CLI1,917 Cursor1,739 Windsurf141 Kiro81
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| speech115/notes-skill Local-first /notes skill for agent-made study notes from YouTube, transcripts, audio, and | 2 | Codex, OpenCode | 1 | 681 tok |
| wokaka209/markdown_everything AI agent skill | 2 | Claude Code | 1 | 943 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 |
| gqy20/crawl-mcp pypi.org An MCP server based on crawl4ai and FastMCP, providing web crawling and AI analysis. | 2 | Claude Code | 1 | 2,206 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 |
| Ryan1857/openclaw-deploy-ninja Provide a secure, guided one-click installer for OpenClaw with automated dependency setup | 2 | Claude Code | 1 | 949 tok |
| Jared13PG/ai-engineering-workflow Description: A structured engineering workflow skill for complex AI-assisted coding, cours | 2 | Codex, OpenCode | 1 | 1,404 tok |
| SadmanYasar/arch-review-agent An ADK 2.0 multi-agent guardrail that screens pull requests for security flaws and AST vio | 2 | Gemini CLI | 1 | 748 tok |
| robin-liquidium/agent-skills useful ai agent skills | 2 | Codex, OpenCode | 1 | 280 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 |
| szkocot/andrej-karpathy-skills | 2 | Claude Code | 1 | 522 tok |
| mhagrelius/dotfiles Personal configuration files | 2 | Claude Code | 19 | — |
| armatrix/twitter-mcp Lightweight Twitter MCP server for Claude Code. Read via twitterapi.io, write via Official | 2 | Claude Code | 1 | 770 tok |
| nathan-gage/python-skills Agent skills for Python | 2 | Claude Code, Codex, OpenCode | 2 | 1,411 tok |
| montagao/skills my .skills folder | 2 | Codex, OpenCode | 1 | 807 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 |
| shennawardana23/skillme :page_facing_up: Skillme — Agent Skills Production-grade engineering skills for AI coding | 2 | Claude Code | 1 | 45 tok |
| reachjalil/skills-kit Repo-local skill switchboard for agent skill libraries | 2 | Codex, OpenCode | 1 | 171 tok |
| bonnguyenitc/specship A staged spec → plan → coding → review workflow for shipping AI-assisted code. Works with | 2 | Claude Code, GitHub Copilot | 3 | 1,036 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 TypeScript CLI and Preact render kit for turning agent plans and review gates into local H | 2 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 2,308 tok |
| AllanWessels/Bratan Bratan is a self-improving Retrieval-Augmented Generation framework built on an adversaria | 2 | Claude Code | 1 | 3,230 tok |
| Zhangs-11/zs-skills Kakarot's Chinese Agent Skills collection: automated three-pass steelman analysis for impo | 2 | Claude Code, Codex, OpenCode | 2 | 3,966 tok |
| Sliky1/lagrangian-skills Agent Skill for constrained optimization via ALM/ADMM/KKT — with adversarial guards, COOP | 2 | Claude Code | 1 | 236 tok |
| shihyuho/pangu.skill shihyuho.github.io An agent skill that brings paranoid text spacing (盤古之白) for AI coding agents. | 2 | Claude Code, Codex, OpenCode | 2 | 742 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 |
| lroolle/ihme-cli lroolle.github.io Manage iCloud Hide My Email from your terminal. Create, search, and export aliases with co | 2 | Claude Code, Codex, OpenCode | 2 | 3,796 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 |
| Linearl/reasonix_skill_repo Practical agent skills for Reasonix & Claude Code: patent search, document-to-skill, web s | 2 | Codex, OpenCode | 1 | 1,309 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 | 2,505 tok |
| download4you/n2-fieldops Dual-runtime Agent Skills for Claude Code, Codex GPT, CC Switch, and authorized CTF workfl | 2 | Claude Code, Codex, OpenCode | 2 | 5,152 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 |
| tom-barkan/ux-advisor-plugin UX Advisor is an open-source Claude Code plugin that turns Claude into a UX research assis | 2 | Claude Code | 1 | — |
| dzivkovi/agentic-marketing Open-source framework for marketing AI architecture: 8 operating verbs, scored inventory o | 2 | Claude Code | 2 | 1,365 tok |
| Ghosteken/agent-harness Production-grade engineering skills and specialist agent personas for AI coding assistants | 2 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 4,266 tok |
| harmonicabot/harmonica-chat harmonica.chat CLI command for designing, creating, and managing Harmonica sessions | 2 | Claude Code | 1 | 1,443 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 |
| vinayaklatthe/microsoft-security-agent-toolkit Action layer for Microsoft Security AI agents - MCP servers, KQL snippets, Logic Apps temp | 2 | Claude Code, GitHub Copilot, Cursor | 3 | 1,694 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 |