22,198 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 agents7,609Claude Code6,644Data and AI3,677Backend and APIs3,502Languages3,403Planning3,220Git and workflow3,193Code review2,743Testing2,377Memory and context2,363DevOps and cloud2,314Writing and docs2,311Research2,293Frontend2,259Security2,022Productivity1,721
All Claude Code32,006 Codex23,251 OpenCode22,198 GitHub Copilot3,552 Gemini CLI1,917 Cursor1,737 Windsurf138 Kiro81
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| cboone/agent-harness-plugins Claude, Codex, + OpenCode commands, hooks, and skills | 2 | Claude Code, Codex, GitHub Copilot, OpenCode | 14 | 11,589 tok |
| hideki5123/agent-skill-set A collection of agent skills and tools | 2 | Claude Code, Codex, OpenCode | 3 | 1,611 tok |
| duongnguyen321/ag-skills duonguyen.site Agent Configuration Guide / Hướng Dẫn Cấu Hình Agent | 2 | Claude Code, Codex, GitHub Copilot, OpenCode | 47 | 766 tok |
| siarhei-belavus/agent-public Sanitized open-source Pi agent configuration, skills, and extensions | 2 | Codex, OpenCode | 1 | 304 tok |
| fikrilal/engineering-agent-skills Portable Agent Skills for understanding, designing, and evolving software systems | 2 | Codex, OpenCode | 1 | 150 tok |
| kieutrongthien/skills-fullstack Fullstack Skills for the Agent | 2 | Codex, OpenCode | 1 | 3,986 tok |
| marcos2872/agents-config Configuração pessoal do pi coding agent — agentes, skills e extensões | 2 | Codex, OpenCode | 1 | 716 tok |
| meaningfy-ws/skillery a collection of agent skills | 2 | Claude Code, Codex, OpenCode | 2 | 3,331 tok |
| wanggang316/you-skill youskill.cc Keep Your Agent Skills Organized | 2 | Codex, OpenCode | 1 | 967 tok |
| peterkarman1/SkillInquisitor Scan for malicious agent skills | 2 | Claude Code, Codex, OpenCode | 2 | 867 tok |
| ianscrivener/drawthings-agent-skills | 2 | Codex, OpenCode | 1 | 1,370 tok |
| agents-infrastructure/alicloud-agent-skills A collection of Agent Skills for managing Alibaba Cloud infrastructure - 9 skills covering | 2 | Codex, OpenCode | 1 | 416 tok |
| asherzj/ashers-agent-skills Chinese research and development processes and composable engineering Skills for Coding Ag | 2 | Codex, OpenCode | 1 | 1,201 tok |
| eea/eea.agent.skills Centralized repository for agentic skills used across EEA's unified dev workflow with AI c | 2 | Codex, OpenCode | 1 | 1,342 tok |
| FlowRegSuite/flowreg-agent-skills | 2 | Claude Code, Codex, OpenCode | 1 | 1,172 tok |
| hams-ollo/zen-agent-skills This is a portable engineering toolkit, cross-harness AI agent skills library of AI agent | 2 | Claude Code, Codex, OpenCode | 4 | 6,627 tok |
| ltczding-gif/agent-supervision-skills Windows-first local agent supervision skills for Claude Code, Codex, and Kimi Code. Local | 2 | Codex, OpenCode | 1 | 307 tok |
| antongulin/agenticflow-ai-skills | 2 | Claude Code, Codex, OpenCode | 2 | 3,095 tok |
| mir-am/skills-agents-ai-coding Mir's Agents & Skills for AI Coding Assistants | 2 | Codex, OpenCode | 1 | 1,693 tok |
| curtisgalloway/public-skills Reusable agent skills for Claude Code and other agentic coding tools | 2 | Codex, OpenCode | 1 | 667 tok |
| jidechao/langchain_agent_skills | 2 | Claude Code, Codex, OpenCode | 3 | 1,389 tok |
| rsenna/rs-agent-plugin Personal AI agent code plugins: GitHub issue -> PR workflow skills | 2 | Codex, OpenCode | 1 | 908 tok |
| Muriel-Salvan/x_aeon_agents AI agents skills to be used for X-Aeon projects | 2 | Codex, OpenCode | 1 | 2,472 tok |
| Aimny2020/agentpalette A local-first desktop workspace for managing AI agents, skills, and harnesses across proje | 2 | Codex, OpenCode | 1 | 580 tok |
| vimkim/my-cubrid-skills my cubrid skills for ai agents | 2 | Claude Code, Codex, OpenCode | 2 | 781 tok |
| devantler-tech/agent-plugins Tool-neutral agent-plugin marketplace — bundles curated skills, MCP servers and agents fro | 2 | Claude Code, Codex, OpenCode | 2 | 6,106 tok |
| daibang123a/golang-agent-skills | 2 | Claude Code, Codex, OpenCode | 2 | 1,074 tok |
| ronjunevaldoz/kmp-agent-skills AI agent skills for Kotlin Multiplatform (KMP) development — clean architecture, feature s | 2 | Codex, OpenCode | 1 | 1,498 tok |
| ReScienceLab/TrySkills tryskills.sh One URL to try any agent skill — powered by Hermes Agent | 2 | Claude Code, Codex, OpenCode | 28 | 2,750 tok |
| cat-xierluo/agent-executor-raycast A Raycast extension for executing Claude Code skills and commands | 2 | Claude Code, Codex, OpenCode | 4 | 465 tok |
| weijunswj/ai-agent-toolkit weijunswj.notion.site AI Agent Toolkit plugin for AI-assisted coding governance, tools and skills. | 2 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 5,642 tok |
| haowjy/meridian-base Personal workflow skills for meridian agents | 2 | Claude Code, Codex, OpenCode | 2 | 519 tok |
| SidekicksStudio/marketing-agency-in-a-box Marketing Agency in a Box — 40+ AI agent skills for agencies and founders. Built on coreyh | 2 | Claude Code, Codex, OpenCode | 2 | 2,243 tok |
| mitodl/agent-kit Team toolkit for AI agent utilities: skills, custom agents, MCP helpers, and configuration | 2 | Codex, OpenCode | 1 | 2,267 tok |
| minguncle/a-share-agent-skills | 2 | Codex, OpenCode | 1 | 1,585 tok |
| Kacper0199/Opencode-Ultrathinker Global OpenCode configuration for autonomous coding, research, planning, Macrodata memory, | 2 | Codex, OpenCode | 1 | 1,549 tok |
| vaquarkhan/Fullstack-development-agent-skills Full stack development agent skills are portable packages of instructions, scripts, and re | 2 | Claude Code, Codex, GitHub Copilot, Kiro, OpenCode | 14 | 1,067 tok |
| Peak-Studios/peak-agent-toolkit peak-agent-toolkit.vercel.app Official MCP server and AI skills for public Peak Studios FiveM scripts | 2 | Claude Code, Codex, OpenCode | 2 | 156 tok |
| grailautomation/claude-plugins | 2 | Claude Code, Codex, OpenCode | 2 | 5,340 tok |
| gm2211/claude-plugins Async coordinator workflow for Claude Code: sub-agents, git worktrees, bd tickets, and a Z | 2 | Codex, OpenCode | 1 | 882 tok |
| boneskull/claude-plugins boneskull's claude plugins | 2 | Claude Code, Codex, OpenCode | 4 | 2,255 tok |
| YoungjaeDev/my-claude-plugins Personal Claude Code plugin marketplace: dev workflow, research, docs authoring, ML, and L | 2 | Claude Code, Codex, OpenCode | 3 | 5,276 tok |
| biggora/claude-plugins-registry CLI marketplace for discovering, installing, and managing Claude Code plugins. | 2 | Codex, GitHub Copilot, OpenCode | 2 | 799 tok |
| VoidTechnology/voidtech-claude-plugins VoidTech's internal Claude Code plugin marketplace: self-contained engineering skills and | 2 | Claude Code, Codex, OpenCode | 6 | 1,000 tok |
| devstride/claude-plugin DevStride's agentic delivery loop for Claude Code — plan, build, review, and release again | 2 | Claude Code, Codex, OpenCode | 1 | 645 tok |
| qte77/claude-code-plugins qte77.github.io A Claude Code plugin marketplace providing skills, rules, and scripts extracted from a pro | 2 | Claude Code, Codex, OpenCode | 3 | 906 tok |
| vergil-project/vergil-claude-plugin vergil-project.github.io Claude Code plugin for the VERGIL ecosystem — hooks, skills, agents, and commands | 2 | Claude Code, Codex, OpenCode | 4 | 3,871 tok |
| vivalalova/claude-plugins-manager marketplace.visualstudio.com | 2 | Claude Code, Codex, OpenCode | 3 | 1,934 tok |
| Nunley-Media-Group/nmg-plugins NMG Claude Code Plugins | 2 | Codex, OpenCode | 1 | 408 tok |
| j2h4u/oh-my-claude-plugins Personal collection of Claude Code skills, agents, and plugins | 2 | Claude Code, Codex, OpenCode | 2 | 1,467 tok |