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 |
|---|---|---|---|---|
| humanerd-drew/opencode-drewgent Drewgent configuration for opencode — agent profiles, skills, scripts, and tooling | 2 | Claude Code, Codex, OpenCode | 14 | 1,826 tok |
| Julian0444/omnicursor OmniCursor — Cursor-native AI plugin in the OmniNode stack (github.com/OmniNode-ai). MCP s | 2 | Claude Code, Cursor | 18 | 2,333 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 |
| joseconti/facturascripts-skill SKILL para el desarrollo tanto de plugins para FacturaScripts, como conectar con FacturaSc | 2 | Claude Code | 2 | 909 tok |
| NickPolyder/NP.CoPilot.Config My Global Copilot config | 2 | GitHub Copilot | 1 | 1,617 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 |
| johnolven/swarm_auth Agent Auth Pattern - How to add AI agent sign-in/sign-up to any software tool. Examples in | 2 | Claude Code | 1 | 721 tok |
| kubenoops/railctl A declarative CLI for Railway.app infrastructure management — kubectl-style workflows for | 2 | Claude Code, GitHub Copilot, Cursor, Windsurf | 4 | 28 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 | — |
| jared-henry/claude-marketplace This is my personal Claude marketplace. | 2 | Claude Code | 1 | 3,600 tok |
| liangwenhui/sl-skills | 2 | Claude Code, Codex, OpenCode | 2 | 1,346 tok |
| hasanrafiq-goog/agy-skills-subagents | 2 | Claude Code, Codex | 4 | — |
| Patrick-mufeng/grindraft-skill Grindraft — Claude Code plugin with 16 skills covering the entire WeChat Official Account | 2 | Claude Code | 1 | 1,102 tok |
| raphaelstolt/skill-validator A PHP library for parsing and validating SKILL.md files or raw SKILL.md content. | 2 | Claude Code | 1 | 441 tok |
| maayanalbert/toggletation toggletation.com | 2 | Cursor | 1 | — |
| illuminaki/skills-claude | 2 | Claude Code | 3 | — |
| tinzisreal/workflow | 2 | Claude Code, Cursor | 13 | 2,142 tok |
| 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 |
| oozoofrog/oozoofrog-plugins | 2 | Claude Code | 3 | 1,069 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 |
| mlbo/claude My Claude Code Skill collection | 2 | Claude Code | 1 | 624 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 |
| jac1013/learning-system Simple learning system using coding agents | 2 | Claude Code | 14 | 2,474 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 |
| hmSchuller/tiller-ai | 2 | Claude Code | 2 | 61 tok |
| vanessamarely/ai-playbook-reposito ai-playbook-reposito.vercel.app | 2 | Claude Code, Codex, GitHub Copilot, OpenCode | 5 | 3,360 tok |
| ShazebA/course-to-skill-builder Local CLI pipeline that converts MP4 course videos into structured SKILL.md files — ready | 2 | Claude Code | 1 | 2,240 tok |
| ryanallen/Apply An autonomous agent and modular skill set designed to automate job applications. | 2 | Claude Code | 7 | — |
| 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 |
| ashtonian/llm-init Bootstrap any project for LLM-driven development with Claude Code. One command sets up spe | 2 | Claude Code | 1 | 941 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 |
| little-apppple/uniappSkill | 2 | Claude Code | 1 | 1,637 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 |
| MJLeach87/AI-PM-OS Product Management Operating System - AI-augmented PM workflow | 2 | Claude Code | 12 | — |
| Yxuan18/yixuan_skills | 2 | Claude Code | 1 | 946 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 |
| SocketDev/sauce Skills for coding agents to interact with Socket | 2 | Claude Code | 7 | 7,509 tok |
| 10x-Anit/10x-Vibe-Marketer-Skill 10x Vibe Marketer - Landing page skill plugin | 2 | Claude Code | 23 | 702 tok |