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 |
|---|---|---|---|---|
| afernandes/Omni.Blazor afernandes.github.io Blazor Components | 4 | Claude Code, Codex, GitHub Copilot, OpenCode | 4 | 6,038 tok |
| ekroon/opencode-copilot-instructions OpenCode plugin that loads GitHub Copilot custom instruction files | 4 | Codex, GitHub Copilot, OpenCode | 4 | 1,315 tok |
| PEZ/awesome-copilot-index pez.github.io Awesome Copilot Instructions Index | 4 | GitHub Copilot | 1 | 2,119 tok |
| ntsd/dotfiles Cross-platform dotfiles: Make + Stow, Homebrew/asdf, Copilot instruction & chat mode manag | 4 | GitHub Copilot | 4 | 1,192 tok |
| pplancq/copilot-instructions A comprehensive guide of best practices, coding rules, and workflow automation for AI-assi | 4 | Claude Code, Codex, GitHub Copilot | 13 | 29,023 tok |
| ivegamsft/basecoat ivegamsft.github.io Enterprise shared library of GitHub Copilot customization assets — agents, skills, instruc | 4 | GitHub Copilot | 1 | 1,459 tok |
| nishanil/copilot-guide A simple guide to every GitHub Copilot customization and agentic feature — instructions, a | 4 | GitHub Copilot | 1 | 679 tok |
| CTOUT/vscode-copilot-sync PowerShell toolkit to sync, install, and manage GitHub Copilot agents, instructions, hooks | 4 | GitHub Copilot | 1 | 1,186 tok |
| 4d-depot/Copilot-Instructions-for-4D Copilot Instructions and Prompts for 4D language | 4 | GitHub Copilot | 1 | 860 tok |
| ABilenduke/copilot-developer A curated list of developer friendly, production ready instructions, chatmodes, prompts an | 4 | Claude Code, GitHub Copilot | 3 | 1,009 tok |
| madebywild/agent-rules wild.as Convert one set of agent rules into many providers' compliant versions | 4 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 3,060 tok |
| ibrahimylcn/universal-rules | 4 | GitHub Copilot | 1 | 2,696 tok |
| AlexanderWillner/things-mcp Model Context Protocol (MCP) for Cultured Code Things | 4 | GitHub Copilot | 1 | 424 tok |
| Apofenic/mcp-prompt-router Local LLM prompt routing and context compression | 4 | GitHub Copilot | 3 | 2,732 tok |
| TomBener/devonthink-mcp DEVONthink MCP Server | 4 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 4 | 5,712 tok |
| SigmaHQ/sigma-mcp-server Sigma MCP server for providing tools like validation to LLMs. | 4 | GitHub Copilot | 1 | 1,124 tok |
| windoze95/servicewow-mcp ServiceNow MCP Server — per-user delegated access via OAuth 2.0 | 4 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 1,233 tok |
| dmgrok/mcp_mother_skills dmgrok.github.io An MCP server for context-aware discovery and installation of agent skills across AI codin | 4 | GitHub Copilot | 1 | 1,469 tok |
| emingenc/smart_glass_mcp smart glasses MCP that any AI can use smart glass which has MCP client | 4 | Claude Code, GitHub Copilot | 2 | 244 tok |
| enjoyzl/mcp-server-confluence-ts | 4 | GitHub Copilot | 1 | 46 tok |
| apajon/mempalace-mcp-bridge Plug-and-play MemPalace MCP bridge for VS Code Copilot Chat with persistent memory. | 4 | GitHub Copilot | 2 | 1,282 tok |
| microsoft/tscodesearch Code search MCP wrapper for Typesense | 4 | Codex, GitHub Copilot, OpenCode | 3 | 7,061 tok |
| usercourses63/musicbrainz-mcp-server 🎵 A comprehensive Model Context Protocol (MCP) server for querying the MusicBrainz databa | 4 | Claude Code, GitHub Copilot | 2 | 1,742 tok |
| abossard/ledfx-mcp Local MCP to manage a LedFX instance | 4 | Codex, GitHub Copilot, OpenCode | 2 | 1,870 tok |
| MicroMichaelIE/mcp-copilotcli-history MCP server for searching GitHub Copilot conversation history | 4 | GitHub Copilot | 2 | 531 tok |
| thitiph0n/calorie-tracker-mcp-server MCP server for tracking daily calorie intake. Built on Cloudflare Workers with D1 database | 4 | GitHub Copilot | 1 | 321 tok |
| sondt2709/ssh-mcp-py pypi.org Model Context Protocol tool for Virtual Machine Management over SSH | 4 | GitHub Copilot | 1 | 127 tok |
| gcorroto/memory-bank-mcp memory-bank-mcp | 4 | GitHub Copilot | 1 | 3,232 tok |
| brianmoney/mcp-gdrive-cf | 4 | GitHub Copilot | 2 | 5,322 tok |
| ljzloser/mcp_tools | 4 | Claude Code, GitHub Copilot | 10 | 2,906 tok |
| zxerai/MCP-Server MCP-Server simplifies management and scaling by organizing multiple MCP (Model Context Pro | 4 | GitHub Copilot | 1 | 402 tok |
| vishnu2kmohan/mcp-server-langgraph mcp-server-langgraph.mintlify.app Agent Studio with Federated Single Sign-On and Fine-Grained Access Controls | 4 | Claude Code, GitHub Copilot, Cursor | 48 | 4,381 tok |
| nickytonline/pimp-my-ride-mcp An MCP server that allows you to configure a car | 4 | Claude Code, Codex, GitHub Copilot, Cursor, OpenCode | 4 | 3,846 tok |
| nav33n25/IMCP Welcome to IMCP – a deliberately vulnerable framework that exposes 14 critical security we | 4 | GitHub Copilot | 1 | 286 tok |
| marcusquinn/quickfile-mcp MCP server for QuickFile UK accounting software - invoices, clients, purchases, banking, a | 4 | Claude Code, Codex, GitHub Copilot, Cursor, OpenCode, Windsurf | 6 | 867 tok |
| arkhangelsk/mcp-appium-server Mobile Automation Using Appium MCP Server | 4 | GitHub Copilot | 1 | 973 tok |
| darknodebros/EleSync elesync.dev Your AI chats and memories Synced! Claude, ChatGPT, Gemini, Grok, Deepseek and Perplexit | 4 | Claude Code, Codex, GitHub Copilot | 5 | 104 tok |
| bmdhodl/agent47 agentguard47.com Python runtime checks for AI agents: budgets, loops, retries, and local traces. Zero runti | 4 | Claude Code, Codex, GitHub Copilot, OpenCode | 11 | 6,645 tok |
| Ask-812/oswright MCP server for Windows desktop automation. Incremental perception instead of a screenshot | 4 | Codex, GitHub Copilot, OpenCode | 2 | 1,604 tok |
| WYRE-AI/syncro-mcp conduit.wyre.ai MCP server for Syncro MSP — tickets, assets, contacts, invoices, and RMM tools for AI assi | 4 | GitHub Copilot | 1 | 858 tok |
| WhenLabs-org/when Six tools. One install. The WhenLabs developer toolkit. | 4 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 2,498 tok |
| RbBtSn0w/awesome-copilot-mcp A Model Context Protocol (MCP) server that provides access to awesome-copilot agents and c | 4 | GitHub Copilot | 1 | 2,020 tok |
| Bortlesboat/bitcoin-mcp 50 standard Bitcoin tools for MCP agents, with 6 prompts and 8 resources. Uses a local nod | 4 | Codex, GitHub Copilot, OpenCode | 2 | 863 tok |
| gulmezeren2-byte/ihalent Turkish public-tender award intelligence: who won, for how much, at what discount, against | 4 | GitHub Copilot | 1 | 806 tok |
| ivuorinen/skills Nitpicker — a hostile audit toolkit for coding agents. One skill, one entry point, a full | 4 | Claude Code, Codex, GitHub Copilot, OpenCode | 8 | 6,117 tok |
| tasktimepro/tasktime tasktime.pro Agent-ready local-first tasks, time tracking, expenses, and invoicing for freelancers. | 4 | Claude Code, Codex, GitHub Copilot, OpenCode | 16 | 4,827 tok |
| JZKK720/cubecloud-skills-bundle-kit One-command setup for a full VS Code Copilot Chat agent-skills stack on Windows - 254 bund | 4 | Codex, GitHub Copilot, OpenCode | 2 | 2,817 tok |
| infotradescout/Selective-Intelligence infotradescout.github.io Selective Intelligence turns minimal intent into grounded, token-efficient AI work: resear | 4 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 4 | 999 tok |
| SathiaAI/graphsmith graphsmith.ai GraphSmith is a free, open-source tool that generates AI agent workflows that survive cras | 4 | Codex, GitHub Copilot, OpenCode | 2 | 4,786 tok |
| tommyvo/useful-prompts A collection of useful prompts to use for coding. | 4 | Claude Code, Codex, GitHub Copilot, OpenCode | 2 | 6,107 tok |