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 |
|---|---|---|---|---|
| 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 | 1,440 tok |
| harmonicabot/harmonica-chat harmonica.chat CLI command for designing, creating, and managing Harmonica sessions | 2 | Claude Code | 1 | 2,726 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 |
| 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 |
| 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 |
| erhwenkuo/yf-cli A CLI for Yahoo! Finance data, powered by yfinance. | 2 | Claude Code | 1 | 1,238 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 |
| radiustechsystems/skills network.radiustech.xyz End-to-end Radius Network development playbook using open agent skills format | 2 | Cursor, Windsurf | 2 | 1,365 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 |
| ngreenwall/claude-skills Public, machine-agnostic Claude Code skills: project-init, handoff, drift-check & more | 2 | Claude Code | 1 | 1,643 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 |
| citizenweb3/upwork-agent Autonomous Upwork job search agent | 2 | Claude Code | 1 | 2,731 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 |
| stephendolan/dotfiles Dotfiles using DotBot | 2 | Claude Code | 1 | 1,161 tok |
| mrkhachaturov/ya-metrics-mcp Model Context Protocol (MCP) server for Yandex Metrika analytics. Exposes 31 analytics too | 2 | Claude Code | 1 | 1,125 tok |
| zhulaoqi/fristagent Intelligent PR/MR code review platform — ensuring every merge is reviewed by AI | 2 | Claude Code | 1 | 860 tok |
| kimgoetzke/coding-agent-configs My personal skills, agents, and other configuration files for agentic coding. | 2 | Claude Code | 1 | — |
| duganth/py-ynab-mcp Python MCP server for YNAB (You Need A Budget) | 2 | Claude Code | 1 | 172 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 |
| vahidkaargar/it-department-skills Global agent rules, portable skills, and token-efficient search-first skill discovery for | 2 | Claude Code | 1 | 1,321 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 |
| alexvtejeda/elenchus A Claude Code skill set that makes Claude argue with itself before it agrees with you | 2 | Claude Code | 1 | 2,981 tok |
| lancegui/causal-powers Economist's discipline for data analysis, causal inference, and econometrics — reduced-for | 2 | Codex, OpenCode | 1 | 4 tok |
| mirekondro/The-Pre-Flight-Check mirekondro.github.io ✈️ Stop your AI coding agent from declaring 'done' on broken code. Fail-fast quality gate: | 2 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 3,486 tok |
| kok-o/koko-contextos-agents Convenient, ready-to-use engineering skills and best practices for your AI assistant. | 2 | Gemini CLI | 1 | 454 tok |
| reyhan8543/agent-md Install portable agent rules, hooks, and task state for coding agents to stop guessing and | 2 | Claude Code | 1 | 2,048 tok |
| cubxxw/agent-kit Public, versioned Agent Skills to safely bootstrap and sync Claude Code, Codex, Qwen Code, | 2 | Claude Code, Codex, OpenCode | 4 | 188 tok |
| netresearch/typo3-ckeditor5-skill Agent Skill: CKEditor 5 development patterns for TYPO3 | Claude Code compatible | 2 | Codex, OpenCode | 1 | 651 tok |
| AIwork4me/open-llm-wiki Claude Code skill bundle for building auditable research wikis from papers with independen | 2 | Codex, OpenCode | 1 | 748 tok |
| 008993368-yaz/Growth-Scout Open-source agent skill: scout product growth opportunities before you write code | 2 | Codex, OpenCode | 1 | 260 tok |
| developer-overheid-nl/skills-geo Claude Code plugin voor Geonovum geo-standaarden voor ruimtelijke data in Nederland | 2 | Claude Code | 1 | 1,448 tok |
| mishanefedov/skillrot Audit agent skills for CLI drift: find skills that call external tools with flags/subcomma | 2 | Codex, OpenCode | 1 | 375 tok |
| arikw/rx-browser-bridge-mcp arikw.github.io Drive your own already-open browser from your AI coding agent (any MCP client) via a self- | 2 | Claude Code | 1 | 1,464 tok |
| pantheon-org/claude-code-personalities Give Claude Code some personalities | 2 | Claude Code, Codex, OpenCode | 2 | 2,427 tok |