How real projects configure their agents

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