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 |
|---|---|---|---|---|
| mozinator/code-agents-for-shadcn Useful ShadCN agents to use with Claude Code | 2 | Claude Code, Codex, OpenCode | 2 | 591 tok |
| yoreai/relay relayagent.dev Interface-independent task router for AI agents — directive-driven model routing with MCP | 2 | Codex, OpenCode | 1 | 3,182 tok |
| Bruce1986/vibe-to-prod-lab Teaching materials for the afternoon session of the NTU course “From Vibe Coding to Produc | 2 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 1,163 tok |
| pengbin2015/nus-iss-taskboard-day2 demo how to use afk agents | 2 | Claude Code, Codex, GitHub Copilot, OpenCode | 24 | 764 tok |
| inematds/timesmkt2 ITAGMKT — pipeline de agentes de IA para marketing digital (pesquisa, criação, vídeo, publ | 2 | Claude Code, Codex | 2 | 3,723 tok |
| Raul-Marin/Figma-Color-Extractor | 2 | Codex, Cursor, OpenCode | 2 | 722 tok |
| Catmint103/xilehui-brand-agent catmint103.github.io Codex agent and reusable brand skill for Xilehui visual production | 2 | Codex, OpenCode | 1 | 1,893 tok |
| BobXu2358/social-creator-collector Read-only Bilibili & Douyin creator-center data toolkit for AI agents | 2 | Codex, OpenCode | 1 | 4,384 tok |
| BetterDevClub/warsztat-copilot-06052026 BookSlot — .NET 10 VSA SaaS + 5-agent agentic workflow pipeline | 2 | Claude Code, Codex, GitHub Copilot | 10 | 2,086 tok |
| jfilcik/CU-Tools Tools for working with Azure Content Understanding | 2 | Claude Code, Codex, GitHub Copilot | 13 | 441 tok |
| tbshiki/260704kansaiwordpressmeetup | 2 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 5 | 2,535 tok |
| Azure-Samples/azure-openai-to-responses-csharp Migrate apps using Azure OpenAI SDK for .NET using Chat Completions to OpenAI SDK for .NET | 2 | Claude Code, Codex | 2 | — |
| humanerd-drew/opencode-drewgent Drewgent configuration for opencode — agent profiles, skills, scripts, and tooling | 2 | Claude Code, Codex, OpenCode | 14 | 1,826 tok |
| alrece/loop-engineering Fully autonomous long-horizon engineering loop: Pitch an idea → rough plan → run the entir | 2 | Codex, OpenCode | 1 | 6,726 tok |
| AnthonyPoschen/agent-skills | 2 | Codex, OpenCode | 1 | 415 tok |
| sudoping01/context-engineering Code is a solved problem, software is not. Agents are good at the first, but struggle with | 2 | Claude Code, Codex, OpenCode | 2 | 803 tok |
| MapleCity1314/DOPPLE | 2 | Codex, OpenCode | 1 | 651 tok |
| dineshdb/pie Minimal AI agent in your terminal | 2 | Codex, OpenCode | 1 | 453 tok |
| sanchitnis/SrujanaBuddy | 2 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 11 | 6,076 tok |
| luizwbr/pinocchio-skill Skill to [try to] detect AI hallucinations | 2 | Claude Code, Codex | 1 | — |
| FranckPachot/pages | 2 | Claude Code, Codex | 1 | — |
| liangwenhui/sl-skills | 2 | Claude Code, Codex, OpenCode | 2 | 1,346 tok |
| hasanrafiq-goog/agy-skills-subagents | 2 | Claude Code, Codex | 4 | — |
| hxy91819/mason-skills Sharing my commonly used skills | 2 | Codex, OpenCode | 1 | 1,732 tok |
| vthinkdeveloper/vthink-agent-toolkit | 2 | Claude Code, Codex, OpenCode | 4 | 904 tok |
| ElemontCapital/x-algorithm-skills A suite of high-performance AI agent skills derived from the open-source x.AI x-algorithm | 2 | Claude Code, Codex, OpenCode | 2 | 1,224 tok |
| agent-blueprint/agent-blueprint-skills agentblueprint.ai Open-source AI agent skills for enterprise deployment. ServiceNow AI Agent Studio, deploym | 2 | Codex, OpenCode | 1 | 597 tok |
| Tholem-AI/Tholem-Hermes-Kit | 2 | Codex, OpenCode | 1 | 1,566 tok |
| nagaakihoshi/skills A collection of agent skills managed with Tessl. | 2 | Claude Code, Codex, OpenCode | 2 | 1,806 tok |
| danielw-sudo/skill-quiver A curated set of skills | 2 | Claude Code, Codex, OpenCode | 2 | 4,021 tok |
| MinchangSung0223/karpathy-antigravity-skills | 2 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 356 tok |
| vanessamarely/ai-playbook-reposito ai-playbook-reposito.vercel.app | 2 | Claude Code, Codex, GitHub Copilot, OpenCode | 5 | 3,360 tok |
| AlexTeplovCPA/it-contractors-skills teplov.ca Tax preparation workflow skills for Canadian IT contractors and consultants. Built by a CP | 2 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 2,959 tok |
| quantiles-evals/quantiles quantiles.io Open-source, local-first evaluation infrastructure for applied AI systems, built for devel | 2 | Claude Code, Codex, OpenCode | 2 | 2,673 tok |
| xiaomaimuchanyiyiba/agent-handoff universal AI agent handoff skill | 2 | Codex, OpenCode | 1 | 234 tok |
| aureuserp/agent-skills Aureus ERP's official collection of agent skills | 2 | Codex, OpenCode | 1 | 1,120 tok |
| N4M3Z/forge-obsidian Obsidian vault conventions for AI sessions. Forge Framework module. | 2 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 4 | 5,017 tok |
| gtarpenning/skillchef chef up remote skills with your local flavor | 2 | Codex, OpenCode | 1 | 877 tok |
| shisa-ai/textguard Hostile-text normalization, inspection, and cleaning for LLM-adjacent systems. | 2 | Claude Code, Codex, OpenCode | 2 | 1,456 tok |
| agntdev/skills | 2 | Codex, OpenCode | 1 | 1,481 tok |
| JoelYYoung/retrolens | 2 | Claude Code, Codex | 1 | — |
| fdarian/rskills Read skills without installing them | 2 | Claude Code, Codex, OpenCode | 2 | 3,589 tok |
| VoTruongDanh/Skills-Agent | 2 | Claude Code, Codex | 15 | — |
| cbruyndoncx/ThirdBrAIn-Tools | 2 | Claude Code, Codex, OpenCode | 2 | 4,552 tok |
| solankiharsh/craftsman-skills | 2 | Claude Code, Codex, OpenCode | 2 | 884 tok |
| xSolutions365/skills collection of skills following opinionated adaption of the www.agentskills.io standard | 2 | Codex, OpenCode | 1 | 155 tok |
| Greyman-Seu/FollowHub | 2 | Codex, OpenCode | 1 | 790 tok |
| conflux-fans/conflux-skills | 2 | Codex, OpenCode | 1 | 527 tok |
| marcelolebre/anti-slopper An agent skill that makes AI assistants write like a human. Kills AI slop while drafting, | 2 | Codex, OpenCode | 1 | 148 tok |
| qinxi1477/ai-content-critic-skill AI Content Critic is a cross-agent skill for Claude Code and Codex that critiques AI-gener | 2 | Claude Code, Codex, OpenCode | 2 | 180 tok |