3,501 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 agents7,374Claude Code6,573Data and AI3,706Backend and APIs3,486Languages3,398Planning3,181Git and workflow3,100Code review2,701Memory and context2,354Testing2,311Research2,292DevOps and cloud2,282Writing and docs2,269Frontend2,250Security1,980Productivity1,695
All Claude Code32,004 Codex23,112 OpenCode21,881 GitHub Copilot3,501 Gemini CLI1,902 Cursor1,724 Windsurf62 Kiro40
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| FerroxLabs/ijfw npmjs.com IJFW — It Just F*cking Works. Ferrox Labs' local-first infrastructure for AI coding agents | 210 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 7,538 tok |
| junevm/splathash junevm.github.io 16 bytes fixed size image placeholder, an alternative to blurhash and thumbhash | 209 | Claude Code, Codex, GitHub Copilot | 4 | 29 tok |
| vasylenko/bear-notes-mcp bear-notes-mcp.vercel.app MCP Server for Bear note taking app available as Claude Desktop extension or standalone se | 207 | Claude Code, Codex, GitHub Copilot, OpenCode | 4 | 1,308 tok |
| RaananW/babylonjs-webpack-es6 Babylon.js basic scene with typescript, webpack, es6 modules, editorconfig, eslint, hot lo | 206 | Codex, GitHub Copilot, OpenCode | 2 | 2,297 tok |
| Garudex-Labs/caracal caracal.run 🐾 Authority, not credentials, for AI agents: policy-approved actions, delegation that can | 206 | Claude Code, GitHub Copilot | 19 | 4,434 tok |
| lostintangent/gistpad-mcp npmjs.com 📓 An MCP server for managing your personal knowledge, daily notes, and re-usable prompts | 206 | GitHub Copilot | 1 | 66 tok |
| makenotion/notion-cookbook Hub for getting started with Notion, including documentation, customizable scripts, and qu | 206 | Codex, GitHub Copilot, OpenCode | 2 | 1,630 tok |
| Conceptual-Machines/magda-core magda.land An open ecosystem for music production. | 204 | Claude Code, GitHub Copilot | 19 | 3,400 tok |
| yennanliu/InvestSkill yennj12.js.org US stock analysis skills for LLMs (Claude code, Gemini ...) | #AI | 204 | Claude Code, GitHub Copilot, Gemini CLI | 3 | 8,764 tok |
| yinzhenyu-su/weekly-git-summary A cross-platform CLI tool for generating weekly summaries of Git commits. Supports multipl | 203 | Claude Code, GitHub Copilot | 2 | 4,579 tok |
| lornshrimp/Lorn.NovelWriteSkills An AI writing asset library for long-form web fiction and novel workflows. Rather than a r | 203 | GitHub Copilot | 7 | 13,967 tok |
| azrtydxb/procoder procoder.azrty.com Senior-developer discipline for AI coding agents. A commit gate that counts unchecked as f | 202 | Codex, GitHub Copilot, OpenCode | 6 | 9,445 tok |
| Azure-Samples/mcp-agent-langchainjs Serverless AI agent using LangChain.js and Model Context Protocol (MCP) integration to ord | 201 | Codex, GitHub Copilot, OpenCode | 6 | 1,365 tok |
| thomast1906/github-copilot-agent-skills Repo containing my GitHub Copilot Agent & Skills - continually experimenting! | 198 | Claude Code, Codex, GitHub Copilot | 21 | 2,119 tok |
| broadinstitute/viral-ngs viral-ngs.readthedocs.io viral-ngs: command line tools and wrappers for processing raw viral genomic data | 197 | Claude Code, Codex, GitHub Copilot, OpenCode | 7 | 6,010 tok |
| microsoft/mcp-dotnet-samples aka.ms A comprehensive set of samples of creating and using MCP servers and clients with .NET | 196 | Codex, GitHub Copilot, OpenCode | 2 | 3,438 tok |
| Thavarshan/filterable 🔍 Enhance Laravel queries with adaptable, customisable filters and intelligent caching to | 195 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 2,226 tok |
| facebook/meta-wearables-webapp AI-assisted development toolkit for building web applications on Meta Ray-Ban Display glas | 195 | Codex, GitHub Copilot, OpenCode | 2 | 36,201 tok |
| CelestoAI/agentor docs.celesto.ai Open source version of Claude Managed Agents. Fastest way to build and deploy reliable AI | 193 | Codex, GitHub Copilot, OpenCode | 2 | 2,658 tok |
| dvcrn/mcp-server-siri-shortcuts MCP for calling Siri Shorcuts from LLMs | 192 | Claude Code, GitHub Copilot | 2 | 52 tok |
| SebastienDegodez/copilot-instructions sebastiendegodez.github.io A comprehensive codebase of best practices, coding rules, and workflow automation for AI-a | 192 | GitHub Copilot | 1 | 364 tok |
| lennney/mcp-slim-guard take-a-deep-breath0.com Context compression for MCP. Same upstream call, exact results recoverable. | 192 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 1,224 tok |
| narumiruna/yfinance-mcp | 190 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 661 tok |
| colophon-group/jobseek jseek.co Monitors company career pages for new job postings and surfaces them in a single dashboar | 190 | Claude Code, Codex, GitHub Copilot, OpenCode | 16 | 3,652 tok |
| rcarmo/vibes rcarmo.github.io A simple mobile-focused chat app to talk to an agent via the ACP protocol | 190 | Codex, GitHub Copilot, OpenCode | 2 | 1,743 tok |
| CortexPrism/cortex cortexprism.io CortexPrism — open-source AI agent operating system | 189 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 14,058 tok |
| mainline-org/mainline mainline.sh Git-native memory for coding agents. Repo memory before the diff. | 189 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 1,310 tok |
| SkBlaz/py3plex skblaz.github.io Py3plex - A multilayer complex network visualization and analysis library in python3 | 189 | GitHub Copilot | 1 | 2,573 tok |
| Azure/gpt-rag-ingestion The GPT-RAG Data Ingestion service automates processing of diverse documents—PDFs, images, | 189 | Claude Code, Codex, GitHub Copilot, OpenCode | 19 | 3,887 tok |
| peltmonger/stardrive astro-stardrive.com The Astro boilerplate to create super stable and fast websites in the AI age | 187 | Claude Code, Codex, GitHub Copilot, Cursor, OpenCode, Windsurf | 5 | 3,374 tok |
| thalysjuvenal/advpl-specialist thalysjuvenal.github.io Plugin para Claude Code especializado em ADVPL e TLPP para desenvolvimento TOTVS Protheus | 186 | Claude Code, Codex, GitHub Copilot, Cursor, OpenCode | 17 | 2,354 tok |
| phil65/agentpool phil65.github.io A unified agent orchestration hub that lets you configure and manage multiple AI agents (n | 185 | Claude Code, Codex, GitHub Copilot, OpenCode | 6 | 3,723 tok |
| Luligu/matterbridge-hass Matterbridge Home Assistant plugin | 184 | Claude Code, Codex, GitHub Copilot, OpenCode | 4 | 1,410 tok |
| johnpapa/ai-ready Agent Skill that analyzes your repo and generates the AI-ready configuration coding agents | 184 | Claude Code, Codex, GitHub Copilot, OpenCode | 2 | 2,715 tok |
| zhaoliangbin42/AI-MarkDone chromewebstore.google.com ChatGPT directory navigation, Reader source copy, Dynamic Annotation, bookmarks, PNG expor | 183 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 2,688 tok |
| adeze/raindrop-mcp Raindrop MCP Server | 183 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 15 | 4,145 tok |
| microsoft/multi-agent-marketplace microsoft.github.io Magentic-Marketplace: Simulate Agentic Markets and See How They Evolve | 183 | GitHub Copilot | 1 | 382 tok |
| johnpapa/vscode-winteriscoming marketplace.visualstudio.com Dark theme with fun and bright foreground colors | 182 | Codex, GitHub Copilot, OpenCode | 2 | 2,085 tok |
| mehrandvd/skunit skUnit is a testing tool for AI units, such as IChatClient, MCP Servers and agents. | 181 | GitHub Copilot | 1 | 2,101 tok |
| cortex-tms/cortex-tms cortex-tms.org The Universal AI-Optimized Project Boilerplate. A Tiered Memory System (TMS) designed to m | 181 | Claude Code, GitHub Copilot | 2 | 3,532 tok |
| Hessesian/kmp-lsp Fast, low-memory LSP server for Kotlin and Java, written in Rust | 181 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 2,045 tok |
| SwapnilSoni1999/amul-notify amul.10xdev.me 🍫 Fastest and most reliable Amul stock checker. | 179 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 5,346 tok |
| pass-agent/loomkin What if AI agents could form teams as fluidly as humans? Spawn specialists in milliseconds | 179 | Claude Code, Codex, GitHub Copilot, OpenCode | 16 | 780 tok |
| RedWoodOG/Hermes-Desktop Hermes_Desktop | 178 | Codex, GitHub Copilot, OpenCode | 10 | 12,836 tok |
| skills/expand-your-team-with-copilot Let Copilot coding agent tackle your issues directly on GitHub. No coding environment need | 178 | GitHub Copilot | 1 | 13 tok |
| meta-quest/webxr-first-steps meta-quest.github.io Your first steps into immersive web development with WebXR. | 177 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 5 | 1,494 tok |
| microsoft/AutoSaddler | 177 | GitHub Copilot | 1 | 764 tok |
| microsoft/Agents-for-net This repository is for active development of the Microsoft 365 Agent SDK components for .N | 177 | Claude Code, GitHub Copilot | 10 | 5,975 tok |
| ECPay/ECPay-API-Skill ECPay API Skill is an API AI Skill package—install it in AI coding assistants (Claude Code | 176 | Codex, GitHub Copilot, Gemini CLI, OpenCode | 3 | 13,391 tok |
| microsoft/msagljs microsoft.github.io A JavaScript graph layout engine: port of MSAGL | 175 | GitHub Copilot | 1 | 924 tok |