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 |
|---|---|---|---|---|
| larryhudson/linear-mcp-server-again | 1 | GitHub Copilot | 1 | 494 tok |
| jdelon02/chat-orchestrate | 1 | GitHub Copilot | 1 | 632 tok |
| andr-ca/agentharness andr.ca Portable engineering policies for coding agents — git, testing, logging, and language conv | 1 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 13 | 30,908 tok |
| mako10k/mcp-assoc-memory MCP Server of Associative Memory | 1 | GitHub Copilot | 1 | 2,434 tok |
| dougdevitre/access-to cotrackpro.com Empowering Healthier Futures Together. This repository hosts the core framework and resour | 1 | Claude Code, GitHub Copilot | 2 | 3,615 tok |
| rockexe0000/my-awesome-copilot | 1 | Claude Code, GitHub Copilot | 17 | 24,967 tok |
| JakeTRogers/my-awesome-copilot Selfishly opinionated GitHub Copilot prompts, agents, instructions, and skills. | 1 | Claude Code, Codex, GitHub Copilot, OpenCode | 4 | 11,107 tok |
| iress/design-system Shared component library for Iress products | 1 | Claude Code, Codex, GitHub Copilot, OpenCode | 17 | 17,196 tok |
| kylebrodeur/mcp-network-analyzer MCP server for intelligent browser network capture, API analysis, and pattern discovery | 1 | GitHub Copilot | 2 | 415 tok |
| eliransu/digital-brain Claude + Obsidian knowledge companion. A persistent, compounding wiki vault based on Karpa | 1 | Claude Code, GitHub Copilot | 1 | 711 tok |
| Jack-infinity420/three-mechanisms-plugin Claude Code plugin | Cursor plugin | Trae plugin | Codex plugin — AI agent code of conduct | 1 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 1,154 tok |
| nutdnuy/quantcoder-plugin Claude Code and Codex plugin wrapper for QuantCoder research-paper to QuantConnect workflo | 1 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 4 | 641 tok |
| DustinVK/wherefore The why behind your code, as plain markdown in your repo. Agent skill to capture decisions | 1 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 3,870 tok |
| grnbtqdbyx-create/contextforge Agent context gate for Codex, Claude Code, Copilot, MCP, Cursor, Cline, Gemini and Windsur | 1 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 445 tok |
| commerce-atoms/agents Reusable AI agents and editor rules for building scalable ecommerce systems. | 1 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 1,536 tok |
| guorunjie/skillpack-forge One manifest for every AI coding agent: generate AGENTS.md, CLAUDE.md, Claude/Codex Skills | 1 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 616 tok |
| dadion123/agent-context-doctor Doctor-first CLI for keeping AI coding agent context files clean, minimal, consistent, and | 1 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 385 tok |
| XucroYuri/CLISYS cli-sys.com CLISYS - Multi-CLI Intelligent Collaboration System | Meta-CLI evolving into Agentic Execu | 1 | Claude Code, Codex, GitHub Copilot, OpenCode | 4 | 7,883 tok |
| PBNZ/pbnz-skills A personal collection of Agent Skills for Claude Code, Claude Cowork, Claude.ai, the Claud | 1 | Claude Code, Codex, GitHub Copilot, OpenCode | 4 | 2,921 tok |
| BigBugaboo/strategos Local-first strategist for Claude Code, Codex CLI, and GitHub Copilot CLI | 1 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 344 tok |
| thedatakey/apollyon Evidence-first source security scanner for human-written and AI-generated code. Rust CLI w | 1 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 4 | 938 tok |
| lxyer/multi-agent-collaboration-system Terminal-native cockpit for AI-first software engineering — protocol-driven sidecar across | 1 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 41 | 195 tok |
| edgarbnt/ReactSentinel MCP server that lets AI agents inspect, replay, validate, and patch React bugs in the brow | 1 | GitHub Copilot | 1 | 741 tok |
| rumotion/ai-agent-project-template Shared AI agent instructions, durable project memory and verified workflows, with template | 1 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode, Windsurf | 10 | 1,471 tok |
| azazhang/finance-literature-review-skill Finance-first literature review skill pack for Codex, Cursor, Claude, Gemini, and Copilot. | 1 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 4 | 2,871 tok |
| eai-support/eai-gofer eai-support.github.io Spec-driven delivery workflow for VS Code and AI coding CLIs | 1 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 11 | 4,330 tok |
| LangcliTeam/Langpad langcli.com Langpad is an Obsidian plugin that brings AI coding agent(Langcli, Claude code etc) direct | 1 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 6 | 4,933 tok |
| electroo69/sped-cli 242 token-efficient shell aliases for AI coding agents. One install, every command works s | 1 | GitHub Copilot | 1 | 1,947 tok |
| legate-dev/telegram-ai-bridge Telegram ↔ AI coding CLIs bridge. Chat with Kilo, Codex, Copilot, Gemini, and Claude Code | 1 | GitHub Copilot | 2 | 1,688 tok |
| EShener/agent-ready Make any repo ready for AI coding agents in 60 seconds. | 1 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 4 | 656 tok |
| stealthsrc/agentops-config-toolkit Compact configuration files for coding and general tasks, helping Claude Code, Gemini CLI, | 1 | GitHub Copilot | 1 | 385 tok |
| ali-ulu/awesome-agent Awesome Agent SDLC v1.2 — Open-source standard documentation repository for AI-agent-assis | 1 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 4 | 1,264 tok |
| Ddhjx-code/Demand-Discovery-Skill AI coding assistant skill for automated niche demand discovery. Scans 7 data sources acros | 1 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 4 | 1,003 tok |
| jschick04/CopilotInstructions | 1 | Codex, GitHub Copilot, OpenCode | 18 | 64,289 tok |
| zarfld/copilot-instructions-template | 1 | Claude Code, Codex, GitHub Copilot, OpenCode | 51 | 73,121 tok |
| felipementel/github-instructions-v1 Repositorio para demonstrar o poder do GitHub Copilot Instructions | 1 | GitHub Copilot | 6 | 608 tok |
| vishaljsoni/copilot-customizations-workshop Hands-on 60-minute workshop covering GitHub Copilot customizations: copilot-instructions.m | 1 | GitHub Copilot | 1 | 477 tok |
| nastanford/copilot_instructions Instruction ideas for github copilot. | 1 | GitHub Copilot | 1 | 702 tok |
| Ismola/personal-copilot-instructions 🎯 Template de instrucciones personalizadas para GitHub Copilot Define reglas y convencion | 1 | GitHub Copilot | 3 | 4,018 tok |
| skaramicke/github-copilot-tdd-instructions | 1 | GitHub Copilot | 1 | 731 tok |
| zamax14/Copilot-Tools Custom prompts, agents, skills, instructions y hooks para github copilot. | 1 | Claude Code, GitHub Copilot | 13 | 6,855 tok |
| lsampaioweb/ai-instructions Centralized VS Code Copilot configuration repository for software development and infrastr | 1 | Claude Code, GitHub Copilot, Cursor | 54 | 32,542 tok |
| Stellar-Technology-Services/ai-workshop-demo A hands-on workshop for AI-assisted development: a small C#/.NET Blazor "chat with your do | 1 | Claude Code, GitHub Copilot | 2 | 1,455 tok |
| vinn-ie/stmllm GitHub Copilot custom instructions for STM32 embedded development. | 1 | Codex, GitHub Copilot, OpenCode | 5 | 5,679 tok |
| Melampe001/.githum-copilot-instructions.md { "github.copilot.enable": {"*": true}, "github.copilot.chat.experimental.autoChatMode | 1 | GitHub Copilot | 1 | 4,454 tok |
| NovoaDev/copilot-instructions-BC | 1 | GitHub Copilot | 1 | 1,315 tok |
| antiotaku/github-copilot-instructions A collection of Github Copilot instructions, prompts and chatmodes for ASTRON projects | 1 | GitHub Copilot | 16 | 50,615 tok |
| LukeFrankio/LukesCopilotInstructions | 1 | Claude Code, Codex, GitHub Copilot | 39 | 227,215 tok |
| mluker/github-copilot-instructions-prompts Github Copilot instructions and prompts | 1 | GitHub Copilot | 2 | 106 tok |
| hungthai1401/laravel-dod-instruction GitHub Copilot Custom Instructions for Laravel | 1 | GitHub Copilot | 1 | 265 tok |