23,799 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 agents8,544Claude Code6,892Git and workflow3,622Data and AI3,580Backend and APIs3,558Languages3,492Planning3,321Code review2,907Testing2,690DevOps and cloud2,489Writing and docs2,484Memory and context2,374Research2,321Frontend2,311Security2,178Project management1,971
All Claude Code32,539 Codex24,879 OpenCode23,799 GitHub Copilot3,723 Gemini CLI2,040 Cursor1,772 Windsurf202 Kiro116
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| spencer17x/skills Personal AI agent skills collection | 2 | Codex, OpenCode | 1 | 878 tok |
| avelrl/skills Skills Catalog for AI Agents | 2 | Codex, OpenCode | 1 | 833 tok |
| polaralias/skills Curated library of reusable agent skills for engineering, delivery, content, design, docum | 2 | Claude Code, Codex, OpenCode | 2 | 1,950 tok |
| RBraga01/builder-product rbraga01.github.io AI product skills pack — 7 skills and 3 agents that enforce quality in AI-assisted product | 2 | Claude Code, Codex, OpenCode | 2 | 891 tok |
| commet-labs/subscription-patterns Agent Skills for billing | 2 | Claude Code, Codex, OpenCode | 2 | 73 tok |
| aybakanawork/my_agent_skills Agent Skills that I am using | 2 | Codex, OpenCode | 1 | 162 tok |
| SuperMalow/personal-agent-skills General-purpose agent skills | 2 | Codex, OpenCode | 1 | 512 tok |
| SurajGThakkar/agent-skills | 2 | Codex, OpenCode | 1 | 560 tok |
| knopki/agent-skills knopki's curated collection of agent skills. | 2 | Claude Code, Codex, OpenCode | 2 | 568 tok |
| KarhouTam/agent-skills Personal agent skill kit, might be useful 😪 | 2 | Claude Code, Codex, OpenCode | 2 | 1,569 tok |
| xelandernt/skilly xelandernt.github.io Manage Agent Skills | 2 | Codex, OpenCode | 1 | 1,439 tok |
| TheIllusionOfLife/AgentKaizen An Agent Skill to optimize AGENTS.md, README.md, skills, and so on for Claude Code and Cod | 2 | Claude Code, Codex, OpenCode | 2 | 3,943 tok |
| arenadata/adcm-agent Arenadata Cluster Manager Agent Skills | 2 | Claude Code, Codex, OpenCode | 1 | 1,902 tok |
| demian85/agent-skills Useful skills for coding agents | 2 | Codex, OpenCode | 1 | 1,319 tok |
| whyzsm/tiny-agents Agents and skills | 2 | Codex, OpenCode | 1 | 664 tok |
| jyoung9154/AgentSkills Create agents by function | 2 | Codex, OpenCode | 1 | 603 tok |
| dirtybits/agent-skills Agent skills published on AgentVouch | 2 | Codex, OpenCode | 1 | 293 tok |
| alok-19/agent-skills Reusable skills for coding agents | 2 | Codex, OpenCode | 1 | 225 tok |
| gbalabanli/agent-skills Practical and Useful Agent Skills Repisotry | 2 | Codex, OpenCode | 1 | 87 tok |
| agoda-com/agent-catalog-eval CLI to test skills and prompts | 2 | Codex, OpenCode | 1 | 1,722 tok |
| tower/agent-skills Skills that make your agents more powerful by working with Tower | 2 | Claude Code, Codex, OpenCode | 3 | 887 tok |
| phildionne/agent-skills | 2 | Codex, OpenCode | 1 | 427 tok |
| andrewlau624/agentmaxx Tools, skills, and instructions to maximize your outputs. | 2 | Claude Code, Codex, OpenCode | 2 | 812 tok |
| X-Zero-L/agent-skills | 2 | Codex, OpenCode | 1 | 1,232 tok |
| fran0220/agent-skills A collection of Agent Skills for personal use. | 2 | Claude Code, Codex, OpenCode | 2 | 2,091 tok |
| 17-sss/agent-skills | 2 | Codex, OpenCode | 1 | 510 tok |
| tomwangowa/agent-skills | 2 | Claude Code, Codex, OpenCode | 4 | 1,836 tok |
| Tano73/agent-skills | 2 | Claude Code, Codex, OpenCode | 2 | 1,700 tok |
| quatico-solutions/agent-skills Shared skills for AI-assisted development with Claude Code and Cursor | 2 | Claude Code, Codex, OpenCode | 2 | 1,938 tok |
| retrip-ai/agent-skills | 2 | Claude Code, Codex, OpenCode | 2 | 2,094 tok |
| trewknowledge/agent-skills | 2 | Codex, OpenCode | 1 | 897 tok |
| agenticstack-sh/agenticstack-skills Agent skills for discovering, comparing, and recommending developer tools using AgenticSta | 2 | Claude Code, Codex, OpenCode | 2 | 466 tok |
| VertaaUX/agent-skills vertaaux.ai Official VertaaUX agent skills — automated UX, accessibility, and conversion audit best pr | 2 | Claude Code, Codex, OpenCode | 2 | 645 tok |
| skeduloDevelopers/agent-skills A curated collection of agent skills for the Skedulo Pulse Platform. Skills are reusable, | 2 | Codex, OpenCode | 1 | 1,224 tok |
| steadwing/agent-skills steadwing.com Agent Skills to help developers using AI agents with Steadwing | 2 | Codex, OpenCode | 1 | 405 tok |
| felipeblassioli/agent-skills skills.sh My personal official collection of agent skills, react ones forked from vercel | 2 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 11 | 4,277 tok |
| zacharygcook/agent-skills A curated collection of practical, evidence-backed skills for coding agents. | 2 | Claude Code, Codex, OpenCode | 2 | 376 tok |
| Yangleduo00337788/Agent-SKills A gentle and caring virtual girlfriend AI character Skill, usable across multiple AI platf | 2 | OpenCode | 1 | — |
| andrewsrigom/agent-skills andrewsrigom.github.io Reusable AI skill packs organized by library and topic. | 2 | Codex, OpenCode | 1 | 1,546 tok |
| openfort-xyz/agent-skills | 2 | Codex, OpenCode | 1 | 663 tok |
| commet-labs/pricing-models Agent Skills for billing | 2 | Claude Code, Codex, OpenCode | 2 | 77 tok |
| boundsj/agent-skills Reusable skills for AI coding agents (Claude Code, Codex, Cursor) | 2 | Codex, OpenCode | 1 | 663 tok |
| alphabetc1/agent-skills A five-stage coding skill for Codex and Claude: prompt, research, plan, build, and review. | 2 | Codex, OpenCode | 1 | 370 tok |
| yecllsl/trae-agent-skills A collection of Agent Skills for Trae IDE | 2 | Codex, OpenCode | 1 | 2,284 tok |
| yellowbee686/everything-analysis-agent everything about analysis agent, such as skills, plugins | 2 | Codex, OpenCode | 1 | 443 tok |
| mathieu0905/skilllens Visual coverage for agent skills | 2 | Claude Code, Codex, OpenCode | 2 | 417 tok |
| marmot-protocol/agent-config A collection of skills, tools, agents, commands, and plugins. | 2 | Codex, OpenCode | 1 | 42 tok |
| cboone/agent-harness-plugins Claude, Codex, + OpenCode commands, hooks, and skills | 2 | Claude Code, Codex, GitHub Copilot, OpenCode | 27 | 17,367 tok |
| hideki5123/agent-skill-set A collection of agent skills and tools | 2 | Claude Code, Codex, OpenCode | 3 | 1,883 tok |
| siarhei-belavus/agent-public Sanitized open-source Pi agent configuration, skills, and extensions | 2 | Codex, OpenCode | 1 | 304 tok |