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 |
|---|---|---|---|---|
| WYRE-AI/halopsa-mcp conduit.wyre.ai MCP server for HaloPSA — tickets, clients, assets, contracts, and reporting tools for AI a | 3 | GitHub Copilot | 1 | 858 tok |
| WYRE-AI/superops-mcp conduit.wyre.ai MCP server for SuperOps.ai — unified PSA+RMM ticketing, asset, and client management tools | 3 | GitHub Copilot | 1 | 857 tok |
| AceDataCloud/FluxMCP MCP server for Flux AI image generation and editing via Ace Data Cloud. | 3 | Claude Code, GitHub Copilot | 2 | 797 tok |
| AceDataCloud/SeedreamMCP MCP server for ByteDance Seedream image generation and editing via Ace Data Cloud. | 3 | Claude Code, GitHub Copilot | 2 | 807 tok |
| ghostswap1/ghostswap-agents ghostswap.io Official multi-LLM agent pack for the GhostSwap Partners API (no-KYC crypto swaps, 1,600+ | 3 | Claude Code, Codex, GitHub Copilot, OpenCode, Windsurf | 4 | 2,435 tok |
| romainsantoli-web/Memory-os-ai Memory OS AI — Adaptive memory system for AI agents (forked from RoaminS/Memory-os-ai) | 3 | Claude Code, GitHub Copilot | 2 | 1,661 tok |
| kiransth77/aionmcp Autonomous Go MCP Server - Dynamic API specification importer with self-learning capabilit | 3 | GitHub Copilot | 1 | 1,381 tok |
| weskerllc/cronicorn cronicorn.com Hosted HTTP job scheduler — AI reads response bodies and adapts frequency based on natural | 3 | Claude Code, GitHub Copilot | 13 | 10,155 tok |
| jghiringhelli/forgecraft-mcp npmjs.com MCP server that gives AI coding assistants production-grade engineering standards — SOLID, | 3 | Claude Code, GitHub Copilot | 17 | 4,745 tok |
| TheSethRose/Copilot-Skills x.com Copilot Skills is a system for organizing domain knowledge into reusable, discoverable ski | 3 | GitHub Copilot | 54 | 60,469 tok |
| u9401066/template-is-all-you-need AI-assisted development project template with Claude Skills, Memory Bank, and Constitution | 3 | GitHub Copilot | 1 | 3,378 tok |
| yurakawa/mskills npmjs.com mskills is a CLI tool to manage "Agent Skills" for various AI agents. | 3 | Codex, GitHub Copilot, OpenCode | 5 | 3,477 tok |
| emilianoeloi/ios-WK-UI-WebView 🦖 The COBOL of Apple: a battle-tested Objective-C UIWebView/WKWebView legacy lab — loving | 3 | Codex, GitHub Copilot, OpenCode | 3 | 1,506 tok |
| kunalsuri/ai-fication-kit AI-Fication Kit: A Simple & Elegant Way for Making any Codebase AI-native through Scaffold | 3 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 2,338 tok |
| Heretyc/subagent-mcp npmjs.com subagent-mcp is an MCP stdio server that turns an AI coding assistant (Claude Code, Codex, | 3 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 4 | 7,922 tok |
| ncaq/konoka AI prompts, agents, and skills as loadable plugins. | 3 | Claude Code, Codex, GitHub Copilot, OpenCode | 4 | 1,369 tok |
| stdin/buy-vs-build Stop AI coding agents from adding dependency and build ownership without a decision note. | 3 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 4 | 2,240 tok |
| apervashov/typescript-learning-assistant apervashov.github.io Learn TypeScript with Handbook-aligned exercises, a local progress tracker, and AI mentor | 3 | Claude Code, Codex, GitHub Copilot, Cursor, Gemini CLI, OpenCode | 5 | 2,660 tok |
| Wittlesus/cursorrules-pro wittlesus.github.io Professional .cursorrules configs for 8 popular stacks. Works with Cursor, Cline, Claude C | 3 | Claude Code, GitHub Copilot | 2 | 2,243 tok |
| mvtandas/wordpress-claude-stack Drop-in AI coding setup for WordPress developers — CLAUDE.md + .cursorrules + Copilot inst | 3 | Claude Code, GitHub Copilot, Cursor | 3 | 2,590 tok |
| juwonllee2024-dotcom/rulesync The ESLint & Babel for AI Agent Rules — Compile, lint, optimize, and sync instructions acr | 3 | Claude Code, Codex, GitHub Copilot, OpenCode, Windsurf | 4 | 882 tok |
| taberoajorge/loopforge Desktop AI loop orchestrator that drives open source coding CLIs (Claude Code, Codex, Curs | 3 | Claude Code, Codex, GitHub Copilot, Cursor, OpenCode | 15 | 2,917 tok |
| syedasad-kiwi/mongodb-mcp-bridge A powerful Model Context Protocol (MCP) server implementation for MongoDB integration | 3 | GitHub Copilot | 1 | 188 tok |
| barrosohub/frontend-stack-blueprint Canonical frontend stack blueprint for AI coding agents: TypeScript, React, Vite, Vitest, | 3 | Claude Code, Codex, GitHub Copilot, Cursor, OpenCode | 5 | 6,864 tok |
| SyntaxWay/agent-ready-repo | 3 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 6 | 1,616 tok |
| GlacierXiaowei/structured-learning-skill Structured Learning Skill - The first AI teaching skill with **dual-mode switching**. Conc | 3 | GitHub Copilot | 1 | 573 tok |
| YixuanYang00/math-beamer-slides-skill A skill for creating, compiling, reviewing, and polishing rigorous mathematical Beamer/LaT | 3 | GitHub Copilot | 2 | 2,139 tok |
| jim-schilling/splurge-ai-rules Splurge Cursor AI Rules | 3 | GitHub Copilot | 1 | 3,215 tok |
| tecnomanu/agent-rules-kit-mcp MCP Server for Agent Rules Kit - Tools for agent rules management | 3 | GitHub Copilot | 1 | 3,784 tok |
| oculus-samples/Unity-VirtualCameraPublisher A Sample Project for the Virtual Camera Publisher API in Unity | 3 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 6 | 1,080 tok |
| weteach-app/copilot Example of instructions and agents that can be used with GitHub Copilot | 3 | Claude Code, Codex, GitHub Copilot | 14 | 15,227 tok |
| S13G/engineering-standards-plugin Cross-domain software engineering standard principles for AI coding agents (Claude Code, C | 3 | Claude Code, Codex, GitHub Copilot, Cursor, Gemini CLI, OpenCode | 5 | 3,971 tok |
| DrozmotiX/ioBroker-Copilot-Instructions | 3 | GitHub Copilot | 1 | 1,791 tok |
| synthable/copilot-instructions-cli A modular CLI for building, layering, and managing powerful instruction sets for GitHub Co | 3 | GitHub Copilot | 1 | 520 tok |
| WenBin6/thesis-md-word-workflow A standard SOP skill for quickly drafting papers with AI tools, which can be combined with | 3 | Claude Code, Codex, GitHub Copilot, Cursor, Gemini CLI, OpenCode | 5 | 1,153 tok |
| TypeFox/Coding.Waterkant.2025 Project for Coding.Waterkant 2025 | 3 | GitHub Copilot | 1 | 1,514 tok |
| RajanChavada/Rosetta CLI tool that scaffolds and syncs agentic AI rules/skills across distinct and fragmented I | 3 | Claude Code, GitHub Copilot, Cursor | 3 | 1,849 tok |
| jamestorrevillas/dev-skills A modular AI skill library for software engineers. 37 SKILL.md files covering technical, s | 3 | GitHub Copilot | 1 | 1,484 tok |
| SecondLifes/delphi-expert An opinionated ecosystem of rules, skills and steerings to elevate Delphi development to s | 3 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 4 | 11,182 tok |
| humzakt/dev-starter-kit Production-ready starter repository with CI/CD workflows, issue templates, incident runboo | 3 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 1,704 tok |
| sarkarsaurabh27/agent-loop-learning Reference library and skill toolkit for auditing, reviewing, and improving LLM-based agent | 3 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 4 | 2,833 tok |
| SJTU-YONGFU-RESEARCH-GRP/open-verilog-workbench This directory configures how issues, instructions, and AI assistants (Copilot/agents) beh | 3 | GitHub Copilot | 1 | 1,908 tok |
| hyperpolymath/boj-server hyperpolymath.github.io One MCP stdio endpoint for a whole toolchain — GitHub, GitLab, cloud, mail, browser and re | 3 | GitHub Copilot | 1 | 510 tok |
| maxmash1/dotnet-react-starter-demo A .NET 8 + React 18 template app pre-configured with GitHub Copilot customizations (agents | 3 | GitHub Copilot | 1 | 3,962 tok |
| abhishekrai43/VulScan-MCP marketplace.visualstudio.com Security vulnerability scanner for VS Code. Scans dependencies for CVEs from NVD/OSV datab | 3 | GitHub Copilot | 1 | 833 tok |
| nam20485/agent-instructions Custom instructions "pseudocode scripting" framework used by GitHub Copilot, Gemini Code A | 3 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 2,883 tok |
| trsdn/github-copilot-agent Blueprint repo to build Copilot instruction prompts and custom agents using GitHub Copilot | 3 | GitHub Copilot | 1 | 590 tok |
| rwx-cloud/skills | 3 | Codex, GitHub Copilot, OpenCode | 2 | 613 tok |
| MWG-Logan/Central-Memory-MCP mwg-logan.github.io A custom fork of @modelcontextprotocol/server-memory using Azure Functions MCP triggers an | 3 | GitHub Copilot | 1 | 2,139 tok |
| ssdeanx/ssd-ai MCP server | 3 | Claude Code, Codex, GitHub Copilot, OpenCode | 24 | 19,124 tok |