3,542 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 agents7,510Claude Code6,601Data and AI3,691Backend and APIs3,489Languages3,402Planning3,208Git and workflow3,142Code review2,734Memory and context2,361Testing2,349DevOps and cloud2,296Research2,292Writing and docs2,291Frontend2,248Security2,004Productivity1,708
All Claude Code32,107 Codex23,261 OpenCode22,036 GitHub Copilot3,542 Gemini CLI1,912 Cursor1,737 Windsurf119 Kiro77
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| ymm-oss/try-and-learn-figma-mcp-server-book book.mynavi.jp A repository containing the sample code and design files for the book “Learn by Doing: Fig | 5 | GitHub Copilot | 1 | 3,761 tok |
| kulesh/recurgent Recursive agents as skills for model harnesses | 5 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 11,384 tok |
| microsoft/Build26-DEM351-ai-skills-navigator-accelerate-tech-skills-with-personalized-learning build.microsoft.com Demo resources for AI Skills Navigator — personalized, role-aligned learning paths combini | 5 | Codex, GitHub Copilot, OpenCode | 2 | 1,032 tok |
| ansyeow/skills-build-applications-w-copilot-agent-mode Exercise: Build applications with GitHub Copilot agent mode | 5 | GitHub Copilot | 3 | 1,090 tok |
| lksnext-ai-lab/spec-kit-template Plantilla para especificaciones técnicas en Markdown con agentes/skills Copilot | 5 | Claude Code, Codex, GitHub Copilot | 29 | 3,565 tok |
| sevir/mycommandmcp A useful MCP server that converts cli system commands into MCP tools | 5 | GitHub Copilot | 1 | 419 tok |
| mrlarson2007/copilot-tdd-harness A GitHub Copilot TDD harness that enforces RED→GREEN→COMMIT→REFACTOR workflow using native | 5 | Claude Code, GitHub Copilot | 14 | 385 tok |
| devbyray/github-copilot-starter GitHub Copilot Starter is a template repository for teams and organizations who want to st | 5 | GitHub Copilot | 9 | 3,991 tok |
| jlantz/copilot-instructions-project-structure Automate JS/Python project structure markdown reports for GitHub Copilot Instructions via | 5 | GitHub Copilot | 1 | 856 tok |
| tatat/agents-playground tatat.github.io | 5 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 349 tok |
| Johnaverse/chains-api A Node.js API query service built with Fastify that indexes and provides access to blockch | 5 | Claude Code, GitHub Copilot | 2 | 5,002 tok |
| codenjoyme/copilot-mcp-langchain | 5 | GitHub Copilot | 1 | 56 tok |
| gingerol/UnrealEngine-ai-mcp UnrealEngine-ai-mcp | 5 | GitHub Copilot | 1 | 287 tok |
| Azure-Samples/remote-mcp-webapp-node | 5 | GitHub Copilot | 1 | 329 tok |
| sandraschi/notepadpp-mcp MCP Server for Notepad++ automation with comprehensive file operations, plugin management, | 5 | Claude Code, Codex, GitHub Copilot, Cursor, OpenCode | 7 | 785 tok |
| tannerpace/mcp-oracle-database | 5 | GitHub Copilot | 4 | 2,859 tok |
| harunraseed07/ADC_MCP_Project | 5 | GitHub Copilot | 1 | 191 tok |
| harrybin/visuals-mcp harrybin.de An MCP (Model Context Protocol) server that provides interactive visualizations for AI age | 5 | GitHub Copilot | 1 | 3,498 tok |
| austinsonger/GRC-Mapping-Analyst GRC Mapping Analyst is a NIST IR 8477-based toolkit for AI-assisted cybersecurity crosswal | 5 | Codex, GitHub Copilot, Gemini CLI, OpenCode | 3 | 4,100 tok |
| sapuyou45-bit/oraclebone sapuyou45-bit.github.io The bone cracks. The model reads. Audited divination for AI agents — tarot, I Ching, Xiao | 5 | GitHub Copilot | 1 | 503 tok |
| LiHongwei-cn/lihongwei-cn lihongwei-cn.github.io MUNDO - THE EMPEROR. Complete AI orchestration system with 1208 skills, 25 capability modu | 5 | Claude Code, GitHub Copilot | 2 | 3,995 tok |
| lzehrung/codegraph CLI, MCP and TS library that turns source code into a map of files, symbols, references, a | 5 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 2,062 tok |
| TechSpokes/skill-base-template Skill template for AI agents | 5 | Codex, GitHub Copilot, OpenCode | 4 | 1,892 tok |
| zircote-plugins/documentation-review Claude Code plugin for comprehensive documentation management — review, create, update, an | 5 | Claude Code, GitHub Copilot | 1 | 272 tok |
| Jessinra/Lorekeeper jessinra.github.io Self-improving memory for AI agents | 5 | Claude Code, GitHub Copilot | 10 | 7,994 tok |
| jyunming/Axon jyunming.github.io Local-first RAG engine with cited answers from your own docs. GraphRAG, sealed sharing, MC | 5 | Codex, GitHub Copilot, OpenCode | 10 | 9,587 tok |
| dirnbauer/typo3-skills TYPO3 v14 Agent Skills: 26 owned + 11 vendored, with a measured eval harness and a single | 5 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode, Windsurf | 5 | 5,971 tok |
| racecraft-lab/racecraft-plugins-public code.claude.com Open-source Claude Code plugins from Racecraft Lab | 5 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 48 | 1,918 tok |
| HenriqueCotta/ownership-driven-ai-customization-architecture Scalable architecture for GitHub Copilot custom instructions, skills, and AGENTS.md across | 5 | Claude Code, Codex, GitHub Copilot | 3 | 112 tok |
| soenkenils/mailbox-mcp-server | 5 | Claude Code, GitHub Copilot | 8 | 1,476 tok |
| natecostello/genechat-mcp MCP server for conversational personal genomics — query your whole-genome sequencing data | 5 | Claude Code, GitHub Copilot | 2 | 5,705 tok |
| 0101/treemon Worktree Monitor | 5 | Claude Code, Codex, GitHub Copilot, OpenCode | 4 | 1,831 tok |
| onelogin/onelogin-mcp OneLogin MCP Server | 5 | GitHub Copilot | 1 | 2,498 tok |
| JohnBreault/xlights-mcp-server MCP server for generating xLights light show sequences from music analysis | 4 | Claude Code, GitHub Copilot | 10 | 231 tok |
| rapozoantonio/memorykit | 4 | GitHub Copilot | 1 | 2,650 tok |
| Byggarepop/TokenSaver Roslyn-powered warm start for AI coding agents: C# outlines with line ranges instead of wh | 4 | Claude Code, GitHub Copilot | 3 | 2,108 tok |
| animicaorg/all animica.org Animica — post-quantum (ML-DSA-65) proof-of-work Layer-1 blockchain by Alexander Lehman: P | 4 | Codex, GitHub Copilot, OpenCode | 2 | 4,954 tok |
| humanity4ai/project_human humanity4ai.github.io 9 humanity skills for AI agents — crisis detection, WCAG audits, empathy, cultural sensiti | 4 | Codex, GitHub Copilot, OpenCode | 2 | 3,112 tok |
| jonnybottles/patch-tuesday-mcp pypi.org MCP server for Microsoft Patch Tuesday - query MSRC security updates, CVEs, and KBs with E | 4 | Claude Code, GitHub Copilot | 2 | 10,790 tok |
| scottchronicity/ephemeris-mcp pypi.org Precision astronomical ephemeris for AI agents. An MCP server providing planetary position | 4 | Codex, GitHub Copilot, Cursor, OpenCode | 3 | 1,032 tok |
| evalor/Dida365MCP This is a Dida365/TickTick MCP server that Copilot spent 3 hours writing by itself! | 4 | GitHub Copilot | 1 | 2,628 tok |
| paarths-collab/quant-brain-mcp MCP Server for Stock Analysis, Backtesting, and Portfolio Intelligence | 4 | Claude Code, Codex, GitHub Copilot, Cursor | 3 | 1,057 tok |
| sandraschi/yahboom-mcp FastMCP 3.2 server plus Webapp for Yahboom Raspbot v2 robot car, ros2, raspberry pi | 4 | Claude Code, Codex, GitHub Copilot, Cursor, OpenCode, Windsurf | 7 | 1,209 tok |
| fabioc-aloha/Alex_Skill_Mall Curated GitHub Copilot plugin marketplace: 363 installable plugins plus a trust-scored dis | 4 | GitHub Copilot | 10 | 11,556 tok |
| junyoung2015/pr-review-skill AI-powered PR review pipeline for Claude Code. Turns 30-45 min code reviews into ≤ 8 min s | 4 | GitHub Copilot | 3 | 522 tok |
| VersoXBT/claude-initial-setup 75 skills, 14 agents, 15 commands for Claude Code. Plug-and-play starter kit covering Type | 4 | Codex, GitHub Copilot, Cursor, OpenCode | 3 | 4,908 tok |
| natnew/Awesome-Agentic-Engineering natnew.github.io A curated map of agentic AI systems — covering architectures, frameworks, memory, evaluati | 4 | Claude Code, Codex, GitHub Copilot, OpenCode | 7 | 8,153 tok |
| The-Utopia-Studio/skills the-utopia-studio.github.io AI skill marketplace for The Utopia Studio — four modules (GTM, Product, Investments, Foun | 4 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 948 tok |
| fortrabbit/agent-skills fortrabbit.com Agent skills for fortrabbit, the managed PHP hosting platform. Set up, deploy and debug La | 4 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 3,441 tok |
| lexCoder2/lxDIG-MCP Dynamic Intelligence Graph (DIG) MCP server for AI coding agents. Persistent code knowledg | 4 | Claude Code, GitHub Copilot | 5 | 1,103 tok |