3,700 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 agents8,442Claude Code6,875Data and AI3,584Git and workflow3,574Backend and APIs3,550Languages3,468Planning3,315Code review2,876Testing2,653DevOps and cloud2,462Writing and docs2,461Memory and context2,373Research2,315Frontend2,301Security2,167Project management1,944
All Claude Code32,436 Codex24,692 OpenCode23,614 GitHub Copilot3,700 Gemini CLI2,016 Cursor1,769 Windsurf202 Kiro113
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| tray-tecnologia/tray-api-ai-plugin tray-api-claude-code.tray.com.br Plugin para agentes de IA(Claude Code, Codex, etc) com integração completa às APIs da Tray | 15 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 4 | 7,410 tok |
| ashlesh-t/cognirepo ashlesh-t.github.io Local cognitive infrastructure for AI coding agents — semantic memory, repository intellig | 15 | Claude Code, GitHub Copilot | 2 | 3,169 tok |
| raydeStar/sir-thaddeus Private, local-first AI assistant for Windows with permissioned tools, durable memory, and | 15 | Codex, GitHub Copilot, OpenCode | 6 | 13,425 tok |
| Tommertom/sonos-ts-mcp Sonos MCP server for Sonos using Typescript | 15 | GitHub Copilot | 3 | 5,893 tok |
| php-opcua/opcua-client php-opcua.com A PHP library that talks OPC UA binary protocol over TCP. It handles the full stack — tran | 15 | Claude Code, Codex, GitHub Copilot | 2 | 710 tok |
| ADN-DevTech/acad-api-skill AI agent skills and rules for scaffolding and building AutoCAD, Civil 3D, and Plant 3D .NE | 15 | Claude Code, GitHub Copilot | 2 | 2,615 tok |
| reactiveui/Primitives A compact, allocation-conscious reactive programming library for .NET built on IObservable | 15 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 2,328 tok |
| sigwl/AiDAPrivate | 15 | Codex, GitHub Copilot, OpenCode | 2 | 6,240 tok |
| dmeiser/nextdns-mcp A Model Context Protocol (MCP) server for the NextDNS API, built with FastMCP and generate | 15 | GitHub Copilot | 1 | 57 tok |
| davesheffer/hunch hunchmemory.com A shared record for AI agents: decisions, completed work, and commitments, with sources. G | 15 | Claude Code, Codex, GitHub Copilot, OpenCode | 10 | 4,457 tok |
| LinHao-city/StoryMind linhao-city.github.io 🎬 AI plans your shot list like a director, then generates the film. LLM storyboard planni | 15 | Claude Code, Codex, GitHub Copilot, OpenCode | 81 | 271 tok |
| totalhack/zillion-web Zillion Web: A Demo UI and Web API for Zillion | 15 | GitHub Copilot | 1 | 103 tok |
| sidprasad/spytial Spytial: Lightweight Diagrams for Structured Python Data | 15 | GitHub Copilot | 1 | 1,940 tok |
| prolific-oss/cli 🔬 A CLI for managing and automating workflows on the Prolific platform | 15 | Claude Code, Codex, GitHub Copilot, OpenCode | 6 | 3,704 tok |
| hoangsonww/DevVerse-SWE-Blog devverse-swe.vercel.app 🪐 DevVerse CS Blog – A modern, high-performance blog app built with Next.js, Vercel, Supa | 15 | Claude Code, Codex, GitHub Copilot, OpenCode | 17 | 3,839 tok |
| ne0rrmatrix/EpubReader ne0rrmatrix.github.io | 15 | Claude Code, GitHub Copilot | 4 | 2,970 tok |
| abicheck/abicheck abicheck.github.io API/ABI checker: castxml-based header dumper + Python checker + LLVM/GCC support | 14 | Claude Code, Codex, GitHub Copilot, OpenCode | 15 | 5,667 tok |
| sintaxasn/Fluence.Wpf fluencewpf.com Fluence.Wpf is a modern theming and control library based on WinUI 3, but for WPF on .NET | 14 | Claude Code, Codex, GitHub Copilot, OpenCode | 12 | 2,958 tok |
| putervision/WebCrypt putervision.github.io Zero-dependency Web Crypto suite & Model Context Protocol (MCP) server for AES-256-GCM, RS | 14 | Claude Code, Codex, GitHub Copilot | 6 | 4,928 tok |
| masakinihirota/github-copilot-custom-instructions GitHub Copilot instructions | 14 | GitHub Copilot | 1 | 5,196 tok |
| louagej/al-go-mcp-server theframework.be MCP server providing AI assistants with access to Microsoft AL-Go documentation and resour | 14 | Claude Code, GitHub Copilot | 17 | 838 tok |
| Cynrath/agent-context-kit cynrath.github.io Offline-first toolkit for agent-ready repositories: readiness scoring, instruction graphs, | 14 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 4 | 4,051 tok |
| sbroenne/skillpm skillpm.dev Package manager for Agent Skills. Built on npm. | 14 | GitHub Copilot | 1 | 1,540 tok |
| joslat/maf-doctor AI-powered toolkit for Microsoft Agent Framework (MAF) migrations — agents, skills, MCP se | 14 | Claude Code, Codex, GitHub Copilot, OpenCode | 6 | 7,410 tok |
| jonathanbossenger/wordpress-plugin-copilot-instructions WordPress Plugin GitHub Copilot Instructions | 14 | GitHub Copilot | 1 | 2,356 tok |
| zbowling/mcpcodeserver A Model Context Protocol (MCP) proxy server that translates tool calls into TypeScript cod | 14 | Claude Code, Codex, GitHub Copilot, Cursor, OpenCode | 4 | 6,814 tok |
| DanWahlin/marvel-mcp | 14 | GitHub Copilot | 1 | 838 tok |
| Smithbox-ai/ControlFlow Multi-agent orchestration for VS Code Copilot, Claude Code, OpenAI Codex and Cursor | 14 | Claude Code, GitHub Copilot | 3 | 2,885 tok |
| Bpolat0/atlasmemory npmjs.com Proof-backed, drift-resistant AI memory for your codebase. 11 languages, 28 MCP tools, evi | 14 | Claude Code, GitHub Copilot | 2 | 4,425 tok |
| ArtemisAI/Harness_Engineering A template project for harness engineering and grounding long running agentic AI coding sw | 14 | Claude Code, Codex, GitHub Copilot, OpenCode | 8 | 6,305 tok |
| initialneil/project-with-reflect Claude Code meta-skill: turn each project/machine/device into a self-improving skill (log | 14 | Claude Code, Codex, GitHub Copilot, OpenCode | 4 | 508 tok |
| smykla-skalski/klaudiush A validation dispatcher for Claude Code hooks that enforces git workflow standards, commit | 14 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 10,355 tok |
| EnventDigital/community-express-dev-mcp edgidesign.com A community-built MCP server that provides developer tools for building Adobe Express add- | 14 | GitHub Copilot | 1 | 44 tok |
| zircote/rust-lsp Claude Code plugin for Rust development with rust-analyzer, clippy, rustfmt, and cargo-aud | 14 | Claude Code, GitHub Copilot | 2 | 778 tok |
| Coveros/StrategiesforTestingAI Repo for Strategies for Testing AI-Based Systems Class | 14 | Claude Code, GitHub Copilot | 8 | 680 tok |
| sbroenne/mcp-server-obs OBS Studio automation for AI assistants - control recordings, streaming, scenes, and windo | 14 | GitHub Copilot | 1 | 1,158 tok |
| bomly-dev/bomly-cli bomly.dev Free, open-source CLI for dependency intelligence, SBOMs, vulnerability auditing, and CI p | 14 | Codex, GitHub Copilot, OpenCode | 2 | 12,697 tok |
| neozhehan/figma-edit-mcp neozhehan.github.io Read, create, and modify Figma designs programmatically via MCP, empowering AI to execute | 14 | Claude Code, Codex, GitHub Copilot, Cursor, OpenCode | 5 | 690 tok |
| hottweelz/writing-template-for-ai Write a book from first idea to a finished EPUB/PDF with AI — one cross-tool system for Cl | 14 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 4 | 2,173 tok |
| clivejefferies/mobile-debug-tools Agent plugin and MCP tools to enable agents to interact with mobile devices for mobile app | 14 | Claude Code, Codex, GitHub Copilot, OpenCode | 5 | 1,364 tok |
| thehesiod/psquare-mcp Parent | 14 | Claude Code, GitHub Copilot | 2 | 8,756 tok |
| aryaminus/astro astro-api-a2rc.onrender.com Astrology MCP server & Agent Skill — birth charts, transits, synastry across Western, Vedi | 14 | Claude Code, Codex, GitHub Copilot, Cursor, OpenCode | 4 | 1,589 tok |
| izaac/nixos-config Izaac Reproducible Configuration | 14 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 4 | 1,166 tok |
| monkey1wizard/Golem-Agents-Legion A cross-provider AI orchestration system built in Rust, running natively across Claude Co | 14 | Codex, GitHub Copilot, OpenCode | 2 | 3,618 tok |
| Arithmomaniac/copilot-session-tools Search & browse your Copilot chat history across CLI + VS Code. Works out-of-the-box with | 14 | Claude Code, GitHub Copilot | 3 | 1,909 tok |
| rajnandan1/ken rajnandan.com Thompson-mode systems discipline for AI agents. Think first, build bottom-up, brute force | 14 | Codex, GitHub Copilot, Kiro, OpenCode | 3 | 2,350 tok |
| adrienm7/ergopti ergopti.fr Disposition clavier ergonomique Ergopti, optimisée pour l’écriture du français, de l’angla | 14 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 24 | 949 tok |
| zsviczian/ea-script-template A template project for creating Obsidian ExcalidrawAutomate scripts | 14 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 117 tok |
| CrestApps/CrestApps.AgentSkills crestapps.com Shared AI agent skills and MCP tooling for .NET applications and Orchard Core based projec | 13 | Codex, GitHub Copilot, OpenCode | 3 | 3,785 tok |
| elbruno/mcpapp-colorpicker A Model Context Protocol (MCP) App built with .NET that provides an interactive color pick | 13 | Claude Code, GitHub Copilot | 3 | 87 tok |