22,170 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 |
|---|---|---|---|---|
| flanliulf/cord CORD is a document relationship graph engine for AI-assisted development. It uses determin | 6 | Claude Code, Codex, OpenCode | 56 | 697 tok |
| Traves-Theberge/opencode-mcp MCP server that exposes OpenCode as a tool/subagent for IDEs and AI clients | 6 | Claude Code, Codex, GitHub Copilot, Cursor, OpenCode | 5 | 1,998 tok |
| vlad-ryzhkov/ai-context-engineering-for-qa AI Context Engineering for QA | 6 | Claude Code, Codex, OpenCode | 27 | 1,237 tok |
| ArmisSecurity/armis-appsec-mcp AI-powered security scanning MCP plugin for Claude Code | 6 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 6,233 tok |
| suyogpawar88/Threat-Model suyogpawar88.github.io | 6 | Codex, OpenCode | 1 | 1,275 tok |
| Abdssamie/promption Promption is a modern AI prompt manager built with Tauri, React, and TypeScript. | 6 | Codex, OpenCode | 1 | 3,395 tok |
| praetore/cmo-scenario-generation Generating scenarios for Command Modern Operations with Cursor | 6 | Codex, OpenCode | 1 | 9,915 tok |
| jl-cmd/claude-dev-env | 6 | Claude Code, Codex, GitHub Copilot, Cursor, OpenCode | 7 | 1,113 tok |
| CodeTeng/harness-template Harness Engineering template, ready to use | 6 | Claude Code, Codex, Cursor, OpenCode | 11 | — |
| karlng279/ai-ready-product-workflow-v2 karlng279.github.io AI-Ready Product Workflow V2 | 6 | Claude Code, Codex, Cursor, Gemini CLI, OpenCode | 12 | 5,467 tok |
| avivsinai/sabx A fast, scriptable CLI for SABnzbd - built for AI coding agents like Claude Code, Cursor, | 6 | Claude Code, Codex, OpenCode | 2 | 993 tok |
| TxnLab/skills Curated agent skills for TxnLab's Algorand ecosystem — NFDomains, use-wallet, Haystack Rou | 6 | Claude Code, Codex, OpenCode | 2 | 491 tok |
| hyfdev/moonbit-agent-skills Agent Skills for MoonBit. Help coding agents work with MoonBit and write better MoonBit co | 6 | Codex, OpenCode | 1 | 2,047 tok |
| lathe-cli/kitup Shared installer SDK for bundled Agent Skills. | 6 | Codex, OpenCode | 1 | 1,531 tok |
| netresearch/typo3-conformance-skill Agent Skill: TYPO3 extension conformance checker - validates against official standards | | 6 | Codex, OpenCode | 1 | 825 tok |
| segunadebayo/design-eng-skills Agent skills for design engineers: state machine design, component API design, engineering | 6 | Claude Code, Codex, OpenCode | 2 | 72 tok |
| usetemi/skills usetemi.com Open-source agent skills for Claude Code, Claude Cowork, Codex, Cursor, and Gemini CLI. Co | 6 | Claude Code, Codex, OpenCode | 2 | 568 tok |
| owenob1/prompt-improver Turn vague agent prompts into precise, verifiable XML specs — then execute them. Headless | 6 | Claude Code, Codex, OpenCode | 2 | 1,923 tok |
| dolutech/dolu-agents-skills Dolu Agents Skills - Open-source collection of modular and extensible skills for AI agents | 6 | Codex, OpenCode | 1 | 4,587 tok |
| zenml-io/skills docs.zenml.io AI coding agent skills for ZenML MLOps workflows — quick wins, pipeline setup, and more | 6 | Claude Code, Codex, OpenCode | 2 | 4,687 tok |
| FavioVazquez/mollify Deterministic codebase intelligence for Python | 6 | Claude Code, Codex, Cursor, Gemini CLI, OpenCode | 24 | 4,352 tok |
| srbryers/slope SLOPE — Sprint Lifecycle & Operational Performance Engine. Golf-metaphor sprint scoring fo | 6 | Claude Code, Codex, Cursor, OpenCode | 11 | 4,052 tok |
| hubvue/skills skillset-by-kim.cckcc-kim.chatgpt.site Kim's skills | 6 | Claude Code, Codex, OpenCode | 2 | 3,599 tok |
| mtnyilmaz/agents | 6 | Claude Code, Codex, OpenCode | 57 | 2,391 tok |
| aegntic/cognitive-os aegntic.github.io Cognitive OS v3.0 — Universal AI agent operating system specification. 16-section cognitiv | 6 | Claude Code, Codex, Cursor, Gemini CLI, OpenCode | 4 | 8,074 tok |
| Wizarck/ai-playbook Universal AI-dev norms, specs, scripts, and templates for Wizarck org projects (consumed v | 6 | Codex, OpenCode | 1 | 4,204 tok |
| ucsahinn/ai-project-starter AI Project Starter: documentation-first starter kit for AI-coded projects, project context | 6 | Codex, OpenCode | 1 | 314 tok |
| 233i/agent-skills Production-grade engineering skills for AI coding agents. | 6 | Claude Code, Codex, OpenCode | 2 | 1,381 tok |
| rizkyhaksono/portfolio-v3 natee.my.id Portfolio v3 using Next.js 16 with SSR, CSR, ISR, Azure Web App, Portainer. | 6 | Claude Code, Codex, GitHub Copilot, Cursor, Gemini CLI, OpenCode | 6 | 4,136 tok |
| Xipher-Labs/walter-os Self-hostable AI-agent operations framework by Xipher Labs | 6 | Claude Code, Codex, OpenCode | 2 | 7,868 tok |
| mascarock/cursor-deck Cursor Slide Decks | 6 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 2,864 tok |
| morooka-akira/aicm | 6 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 10 | 9,770 tok |
| PoulpYBifle/NCF-Coding-Best-Practices | 6 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 7,859 tok |
| qybaihe/inkview Redesign any page in an ink-wash style, with no AI-generated feel at all; can be integrate | 6 | Claude Code, Codex, OpenCode | 2 | 472 tok |
| timbenniks/timbenniks-cursor-rules timbenniks-cursor-rules | 6 | Codex, OpenCode | 1 | 595 tok |
| BOXELS/cursor-rules A starter template for .cursor/rules — five ready-to-fill markdown files that give AI full | 6 | Codex, OpenCode | 1 | 290 tok |
| Flower7C3/tune-tangler f-droid.org Yet another music looper app | 6 | Codex, OpenCode | 1 | 205 tok |
| linhai0872/agno-agent-starter Production-grade AI Agent orchestration scaffold based on Agno + AgentOS. Supports 8 model | 6 | Claude Code, Codex, OpenCode | 2 | 2,360 tok |
| Masqiller/ARG-RESEARCHER-V4.1 | 6 | Codex, GitHub Copilot, OpenCode | 2 | 1,195 tok |
| ptonlix/beeweave 🐝 BeeWeave is an agent-native creation workbench that turns collected material, AI-assist | 6 | Claude Code, Codex, GitHub Copilot, OpenCode | 51 | 2,587 tok |
| anortham/julie Can't catch the Razorback... | 6 | Claude Code, Codex, OpenCode | 10 | 16,136 tok |
| kehoej/contextception Deterministic context intelligence for code | 6 | Claude Code, Codex, OpenCode | 2 | 1,617 tok |
| kitariel/expo-mobile-template | 6 | Claude Code, Codex, GitHub Copilot, OpenCode | 9 | 4,161 tok |
| radif-ru/ai-multi-agent-system radif.ru A local multi-agent system running on self-hosted LLMs (Ollama). 3 channels (Telegram/cons | 6 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 16 | 2,319 tok |
| Contoso-State/red-team-agent-orchestration | 6 | Claude Code, Codex, OpenCode | 47 | 2,887 tok |
| PancrePal-xiaoyibao/VitaForge VitaForge | Life Workshop — an AI4S dry-lab engine focused on general medicine and the bro | 6 | Claude Code, Codex, Gemini CLI, OpenCode | 56 | 3,171 tok |
| nerviq/nerviq nerviq.net Your agent docs lie. Nerviq finds the lies in 30 seconds — stale references, permission ex | 6 | Claude Code, Codex, OpenCode | 15 | 2,959 tok |
| moshehbenavraham/luminaris-quest luminariquest.org Luminari’s Quest – React/Tailwind scaffold for a healing-focused, AI-powered RPG adventure | 6 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 867 tok |
| samartomar/ai-harness Enterprise AI Bootstrapping Harness | 6 | Claude Code, Codex, OpenCode | 2 | 2,415 tok |
| Wade-DevCode/awesome-coding-skills-cn wade-devcode.github.io A top-tier AI coding skills suite for Chinese developers using Claude Code / Codex | Top-t | 6 | Claude Code, Codex, OpenCode | 2 | 3,529 tok |