43,712 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 review2,742Testing2,379Memory and context2,369Writing and docs2,323DevOps and cloud2,311Research2,290Frontend2,261Security2,025Productivity1,719
All Claude Code31,996 Codex23,310 OpenCode22,256 GitHub Copilot3,557 Gemini CLI1,917 Cursor1,739 Windsurf141 Kiro81
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| 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 |
| HanksChen0110/skills my skills manage hub | 2 | Codex, OpenCode | 1 | 5,177 tok |
| kunk-li/skills Using skills | 2 | Codex, OpenCode | 1 | 3,644 tok |
| hon454/grimoire A custom Codex harness and plugin for reusable agent workflows. | 2 | Codex, OpenCode | 1 | 298 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 |
| probabl-ai/skore-cli docs.skore.probabl.ai Command Line Interface for Skore | 2 | Codex, OpenCode | 1 | 467 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 |
| szampier/skills AI agent skills for GitHub Copilot CLI and other coding agents | 2 | Codex, OpenCode | 1 | 148 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 |
| QuentinHsu/skills | 2 | Codex, OpenCode | 1 | 359 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 |
| andrewthetechie/jimmy-skills Claude skills to use chatjimmy.ai | 2 | Claude Code | 1 | 2,780 tok |
| andrewxhill/cashew | 2 | Claude Code | 1 | — |
| jscholz/hermes-agent-workflow A public template for deploying a personal AI assistant stack (hermes-agent + sidekick PWA | 2 | Claude Code, Codex, OpenCode | 2 | 5,959 tok |
| redhat-developer/rhdh-adr Architecture Decision Records for Red Hat Developer Hub (RHDH) projects. | 2 | Claude Code | 1 | — |
| BreadchainCoop/labor.fun | 2 | Claude Code | 33 | 1,425 tok |
| atlasassistants/atlas-skills-library | 2 | Claude Code | 1 | 1,250 tok |
| saemihemma/lead-producer-oss orchestrator for agent skills and a library of agent skills to help with software developm | 2 | Claude Code | 1 | — |
| fivetaku/gpters-cc GPTers Claude Code study workspace | 2 | Claude Code | 3 | 2,541 tok |
| nacif-software/skills Skills for LLM Assisted software development | 2 | Claude Code | 1 | 1,098 tok |
| ryvn-technologies/skills Agent skills for Ryvn CLI | 2 | Claude Code, Codex, OpenCode | 2 | 1,112 tok |
| johnie/skills johnie.se Production-ready AI agent skills for development workflows. Agent-agnostic prompt template | 2 | Claude Code, GitHub Copilot | 4 | 871 tok |
| Ahmustufa/nestjs-best-practices-skill | 2 | Codex, OpenCode | 1 | 4,104 tok |
| cesarnml/son-of-anton sonofanton.vercel.app AI-assisted TypeScript delivery orchestrator. Develop with AI as team — not vibe-coding. | 2 | Claude Code, Codex, OpenCode | 11 | 962 tok |
| Timmyy3000/skills | 2 | Codex, OpenCode | 1 | 240 tok |