3,543 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 agents7,521Claude Code6,606Data and AI3,688Backend and APIs3,494Languages3,401Planning3,209Git and workflow3,151Code review2,736Memory and context2,361Testing2,351DevOps and cloud2,300Writing and docs2,296Research2,295Frontend2,250Security2,004Productivity1,709
All Claude Code32,116 Codex23,280 OpenCode22,053 GitHub Copilot3,543 Gemini CLI1,915 Cursor1,736 Windsurf119 Kiro77
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| 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 | 68 | 26,043 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 |
| virtualrussel/dynatrace-ai-dtctl-workspace Dynatrace AI workspace — Skills, prompts, MCP config, and Copilot instructions for observa | 1 | Claude Code, Codex, GitHub Copilot | 43 | 3,522 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 |
| MarcelRoozekrans/AgenticAI Template for AI-assisted development workflows using agentic primitives and context engine | 1 | GitHub Copilot | 5 | 2,515 tok |
| contextpilot-dev/contextpilot Make every AI tool understand your codebase. Generate and sync .cursorrules, CLAUDE.md, co | 1 | Claude Code, GitHub Copilot, Cursor | 3 | 562 tok |
| azgem102-max/ai-project-context-kit Vendor-neutral shared project context kit for Codex, Claude Code, ChatGPT, Copilot, Gemini | 1 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 4 | 541 tok |
| UKHO/UKHO.GitHubCopilot.ToolKit A repository of tools (instructions, prompts and agents) to help you on your GitHub Copilo | 1 | Claude Code, Codex, GitHub Copilot, OpenCode | 29 | 14,748 tok |
| msopariw/GitHubCopilotDemo Simple Todo app to demonstrate GitHub Copilot features: Custom Instructions, Skills, Custo | 1 | Claude Code, Codex, GitHub Copilot | 7 | 532 tok |
| akhildev-mj/copilot-workflow-starter akhildev.vercel.app Reusable GitHub Copilot setup with instructions, prompts, skills, and agents to enable tic | 1 | Claude Code, GitHub Copilot | 7 | 755 tok |
| jiamaozheng/awesome-claude-code | 1 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 4,181 tok |
| trsdn/github-copilot-cli Blueprint for customizing GitHub Copilot CLI — custom agents, instructions, skills, and MC | 1 | Codex, GitHub Copilot, OpenCode | 3 | 1,570 tok |
| InteractiveStrategies/github-copilot-presentation A hands-on demonstration of GitHub Copilot's AI-powered coding features including autocomp | 1 | GitHub Copilot | 1 | 472 tok |
| KIMISKI33/awesome-copilot Community-contributed instructions, agents, skills, and configurations to help you make th | 1 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 4,294 tok |
| MaximilianMayr94/skills Here you can find all my Copilot meta files (Skills, copilot instructions and scripts) | 1 | Claude Code, GitHub Copilot | 12 | 1,792 tok |
| zexion7873/copilot-setting Agentic context engineering for GitHub Copilot — agents route, skills execute, instruction | 1 | Claude Code, Codex, GitHub Copilot, OpenCode | 30 | 9,777 tok |
| xf-hq/vscode-workspaces Contains workspace files, Copilot/LLM/agent prompt files, instruction files, etc. for use | 1 | GitHub Copilot | 2 | 2,556 tok |
| RayanZaki/laravel-starter My personal starter template for laravel api projects with production and development dock | 1 | GitHub Copilot | 1 | 1,518 tok |
| stefaniuk/loadout 🤖 A curated, specification-first library of copy-ready prompts, instruction packs, skills | 1 | GitHub Copilot | 15 | 91,805 tok |
| runwhen-contrib/runwhen-platform-mcp runwhen.com RunWhen Platform MCP Server | 1 | Codex, GitHub Copilot, OpenCode | 2 | 3,112 tok |
| nunosoarescsw/copilot-agentic-workshop A full-day, self-paced workshop to build agentic AI workflows with GitHub Copilot — Instru | 1 | Claude Code, Codex, GitHub Copilot | 8 | 1,955 tok |
| osinfra-io/pt-arche-ai-context osinfra.io Centralized AI context and GitHub Copilot instructions for the pt-arche team. | 1 | GitHub Copilot | 2 | 426 tok |
| ChiliJoe/apex-copilot-workspace-template Starter workspace and workflow template for AI-assisted Oracle APEX development. Includes | 1 | GitHub Copilot | 3 | 2,417 tok |
| Tawe/AI-CLI-Memory-Sync-Repo Maintain one canonical AI instructions file (INSTRUCTIONS.md) and sync it to tool-specific | 1 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 4 | 1,196 tok |
| osinfra-io/pt-corpus-ai-context osinfra.io Centralized AI context and GitHub Copilot instructions for the pt-corpus team. | 1 | GitHub Copilot | 2 | 79 tok |
| osinfra-io/pt-ekklesia-ai-context osinfra.io Centralized AI context and GitHub Copilot instructions for the pt-ekklesia team. | 1 | GitHub Copilot | 2 | 97 tok |
| mordilion/ai-instructions-and-prompts Universal AI coding assistant configuration. Interactive setup wizard generates consistent | 1 | Claude Code, GitHub Copilot | 2 | 4,239 tok |
| CraigWilsonOZ/GitHub-CoPilot-BaseRepo Base template for Python + Terraform projects using the OpenAI Agents SDK (GPT-5.2) with G | 1 | GitHub Copilot | 14 | 13,244 tok |
| blitznihar/task-tracker-copilot-md Sample application best practices for using instruction files, prompt files and agent md f | 1 | Codex, GitHub Copilot, OpenCode | 6 | 3,151 tok |
| Sanmu-27/repo2agent npmjs.com ESLint for AI coding agents: generate AGENTS.md, CLAUDE.md, Cursor rules, Copilot instruct | 1 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 930 tok |
| osinfra-io/pt-pneuma-ai-context osinfra.io Centralized AI context and GitHub Copilot instructions for the pt-pneuma team. | 1 | GitHub Copilot | 2 | 110 tok |
| juliusoh/copilot-superpowers-kit GitHub Copilot custom instructions + reusable /prompt files porting a brainstorm->plan->TD | 1 | GitHub Copilot | 1 | 339 tok |
| osinfra-io/pt-logos-ai-context osinfra.io Centralized AI context and GitHub Copilot instructions for the pt-logos team. | 1 | GitHub Copilot | 2 | 80 tok |
| osinfra-io/pt-techne-ai-context osinfra.io Centralized AI context and GitHub Copilot instructions for the pt-techne team. | 1 | GitHub Copilot | 2 | 341 tok |
| bwyatt/editor-customizations Repository to hold reusable VS Code customizations (settings, copilot instructions, Claude | 1 | GitHub Copilot | 5 | 7,037 tok |
| osinfra-io/pt-ai-context osinfra.io Centralized AI context and GitHub Copilot instructions shared across all platform grouping | 1 | GitHub Copilot | 2 | 4,703 tok |
| martinstofko219/agentic-design-toolkit Reusable AI skills and instructions for design workflows, built for GitHub Copilot and Cla | 1 | Claude Code, GitHub Copilot | 2 | 2,216 tok |
| mychalwhorn1234-bit/aes-128-decryption-tool A minimal TypeScript Node project for AES-128 decryption with Copilot instructions and tes | 1 | GitHub Copilot | 1 | 644 tok |