23,222 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 agents7,588Claude Code6,636Data and AI3,676Backend and APIs3,496Languages3,402Planning3,219Git and workflow3,187Code review2,745Testing2,374Memory and context2,364DevOps and cloud2,310Writing and docs2,309Research2,295Frontend2,261Security2,021Productivity1,715
All Claude Code31,998 Codex23,222 OpenCode22,170 GitHub Copilot3,550 Gemini CLI1,918 Cursor1,738 Windsurf137 Kiro80
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| anthuanvasquez/skills Standardized guidance, agent rules, and scaffold templates for applying AI agents | 2 | Codex, OpenCode | 1 | 1,550 tok |
| agent-skills/skills agskills.dev Agent Skills. | 2 | Claude Code, Codex | 4 | — |
| bitbloxhub/skills My agent skills | 2 | Codex, OpenCode | 1 | 117 tok |
| reviewtaipei284/awesome-claudecode-paper-proofreading Provide clear, two-phase paper proofreading using Claude Code and Codex to detect and fix | 2 | Codex, OpenCode | 1 | 1,274 tok |
| chefallan/awesome-context-engine chefallan.github.io Portable repo memory for AI coding agents. Keeps context current across Copilot, Claude, C | 2 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 4 | 1,001 tok |
| JoseArron/skills Skills I use for my projects, for any agent | 2 | Codex, OpenCode | 1 | 45 tok |
| ipruning/skills Coding-agent skills managed with skillshare and synced across supported AI tools | 2 | Claude Code, Codex, OpenCode | 2 | 439 tok |
| lonewolfyx/skills curated collection of agent skills. | 2 | Codex, OpenCode | 1 | 836 tok |
| Leev1s/skills Public repository for agent skills | 2 | Codex, OpenCode | 1 | 278 tok |
| 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 |
| sherif-fanous/skills A repository for skills I commonly use with coding agents | 2 | Claude Code, Codex | 3 | — |
| polaralias/skills Curated library of reusable agent skills for engineering, delivery, content, design, docum | 2 | Claude Code, Codex, OpenCode | 2 | 1,803 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 |
| deancourse/openspec-agent-skills-practice A repo for practicing full-stack project generation with OpenSpec | 2 | Claude Code, Codex | 3 | — |
| igor-holt/openclaw-skills Production OpenClaw / ClawHub skills by Igor Holt (Genesis Conductor). Persistent state fo | 2 | Codex, OpenCode | 1 | 697 tok |
| knopki/agent-skills knopki's curated collection of agent skills. | 2 | Claude Code, Codex, OpenCode | 2 | 568 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 |
| izkreny/agentifico AI agent skills and stuff | 2 | Claude Code, Codex, OpenCode | 2 | 2,595 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 |
| cleanunicorn/agents-library Personal list of skills of @cleanunicorn | 2 | Claude Code, Codex, OpenCode | 2 | 4,684 tok |
| andrewlau624/agentmaxx Tools, skills, and instructions to maximize your outputs. | 2 | Claude Code, Codex, OpenCode | 2 | 1,362 tok |
| lucsedirae/agent_skill_library A library of Claude skills | 2 | Codex, OpenCode | 1 | 178 tok |
| akshay5995/agent-skill-evals akshay5995.github.io Agent Skill Evals helps you test agent skills with Promptfoo. | 2 | Codex, OpenCode | 1 | 663 tok |
| roymondliao/samsara An agentic skills framework | 2 | Claude Code, Codex, OpenCode | 3 | 335 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 |
| davenportjw/agent-skills | 2 | Claude Code, Codex | 5 | — |
| 17-sss/agent-skills | 2 | Codex, OpenCode | 1 | 514 tok |
| Tano73/agent-skills | 2 | Claude Code, Codex, OpenCode | 2 | 1,754 tok |
| mdvacula/agent-kit Skills, agents, and specs for autonomous coding workflows | 2 | Claude Code, Codex | 2 | — |
| quatico-solutions/agent-skills Shared skills for AI-assisted development with Claude Code and Cursor | 2 | Claude Code, Codex, OpenCode | 2 | 2,912 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 |