31,997 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 |
|---|---|---|---|---|
| oxy-hq/skills | 2 | Claude Code | 2 | 3,527 tok |
| NorkzYT/claude-code-autopilot A portable `.claude/` bundle for Claude Code with a staged agent workflow, safety hooks, l | 2 | Claude Code, Codex, OpenCode | 2 | 1,283 tok |
| EricMarcantonio/skills Claude Code plugins by Eric Marcantonio — code quality, marketplace listings, and more | 2 | Claude Code | 1 | 551 tok |
| astriaai/skills AI skills for Astria API | 2 | Claude Code | 1 | 755 tok |
| phrase/skills Agent Skills for Phrase | 2 | Claude Code, Codex, OpenCode | 2 | 149 tok |
| titusz/skills A personal Claude Code plugin marketplace with reusable skills, agents, and hooks | 2 | Claude Code | 1 | — |
| dshaplyko/skills | 2 | Claude Code | 10 | — |
| cwijayasundara/claude_harness_eng_v1 | 2 | Claude Code | 30 | 1,022 tok |
| OhadRubin/skills | 2 | Claude Code | 1 | 148 tok |
| tk0miya/skills | 2 | Claude Code | 2 | — |
| 6hamtol/skills | 2 | Claude Code | 1 | 418 tok |
| zot24/skills | 2 | Claude Code | 1 | 4,549 tok |
| cortesi/skills | 2 | Claude Code, Codex, OpenCode | 6 | 92 tok |
| supercharge-growth/ai-design-skills | 2 | Claude Code, Codex, Cursor, OpenCode | 6 | 644 tok |
| wei6bin/skills | 2 | Claude Code | 1 | 1,656 tok |
| linggen/skills linggen.dev Skills for Linggen — drop-in folders that become native apps: personal CFO, DJ, Mac care, | 2 | Claude Code | 1 | 511 tok |
| netdata/skills Agent Skills for setting up, instrumenting, and troubleshooting infrastructure with Netdat | 2 | Claude Code, Codex, OpenCode | 2 | 1,380 tok |
| umbraco/Umbraco-MCP-Base | 2 | Claude Code | 4 | 3,814 tok |
| EthanSei/skills Agent skills for Claude Code and other AI coding agents | 2 | Claude Code | 1 | 535 tok |
| tangjiahui-cn/skills Everyday refinement skills. Examples: pipeline-lite rapid development workflow (spec -> pl | 2 | Claude Code | 5 | — |
| petersilberman/personal-reference-claude-code Reference commands and workflows for Claude Code beyond coding | 2 | Claude Code | 9 | — |
| Bilican/skills Agent skills for real engineering, loaded by Claude Code | 2 | Claude Code | 1 | 246 tok |
| zth9/skills A practical collection of Agent Skills for everyday development work. | 2 | Claude Code | 1 | 442 tok |
| AlteredCraft/context-engineering-workshop-00 | 2 | Claude Code | 1 | — |
| tasanakorn/cc-marketplace Minimal Claude Code Marketplace | 2 | Claude Code | 1 | 1,485 tok |
| williamchmw/BossCoding | 2 | Claude Code, Codex, OpenCode | 2 | 1,089 tok |
| shipshitgames/skills AI agent skills for vibe-coding 3D browser games with Claude Code + Codex | 2 | Claude Code, Codex, OpenCode | 2 | 467 tok |
| kurrent-io/skills kurrent.io Agent Skills for building with Kurrent | 2 | Claude Code, Codex, OpenCode | 2 | 6,042 tok |
| acegalaxy-co/ace_commons-ccswitch-cli Claude Code endpoint switcher — swap between 9router / local router / Anthropic direct (cr | 2 | Claude Code | 35 | 984 tok |
| lawrips/skills | 2 | Claude Code | 1 | 89 tok |
| M1hairu/skills | 2 | Claude Code | 1 | 1,243 tok |
| Daita-Corp/claude-code Tools for developers using Anthropic's Claude Code | 2 | Claude Code | 10 | 1,284 tok |
| davidcpage/skill-issues | 2 | Claude Code | 5 | 684 tok |
| bmsuisse/skills bmsuisse.github.io | 2 | Claude Code | 1 | 67 tok |
| AZANIR/qa-skills qa-skills | 2 | Claude Code, Codex, Cursor, OpenCode | 61 | 3,224 tok |
| Venkateshvenki404224/frappe-testing-loop Static, runtime, Ponytail, and HTML audit loop for Frappe apps | 2 | Claude Code, Codex, OpenCode | 3 | 620 tok |
| cosminmarian53/skills A set of security-oriented Claude skills for smart contract auditing on multiple blockchai | 2 | Claude Code | 1 | 142 tok |
| khalilgitsit/claude-code My Claude Code configuration — status line, themes, and setup | 2 | Claude Code | 1 | 206 tok |
| haopenglau/skills haopeng.liu's skills | 2 | Claude Code | 2 | 286 tok |
| asleekgeek/claude-multiagent-catalogue A Claude Code adjusted version of awesome-copilot | 2 | Claude Code | 1 | 2,191 tok |
| hubmessage-oficial/docs | 2 | Claude Code, Codex, OpenCode | 2 | 290 tok |
| Jerrylingj/skills My personal useful skills | 2 | Claude Code | 1 | — |
| hmyuuu/skills my daily used skills | 2 | Claude Code | 1 | 207 tok |
| wk-j/skills | 2 | Claude Code | 2 | 438 tok |
| yungyu16/skills Some Agent Skills I developed for personal use. | 2 | Claude Code, Codex, OpenCode | 2 | 1,579 tok |
| Neurotech-HQ/skills | 2 | Claude Code, Codex | 1 | — |
| tada5hi/skills tada5hi's curated collection of agent skills. | 2 | Claude Code, Codex, OpenCode | 2 | 1,052 tok |
| flowglad/skills | 2 | Claude Code, Codex, OpenCode | 2 | 910 tok |
| charl-kruger/skills | 2 | Claude Code | 1 | — |
| pytexas/meetup pytexas.org Website for the PyTexas Monthly Meetup | 2 | Claude Code | 3 | 1,183 tok |