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 |
|---|---|---|---|---|
| Sunagatov/Lexora A modern English vocabulary learning app focused on topic-based study, fast review, and pr | 42 | Claude Code, Codex, GitHub Copilot, OpenCode | 5 | 976 tok |
| AndreRatzenberger/cursor-rules My personal cursor rules. Requirements Engineering. Auto Commits. Auto everything. | 42 | GitHub Copilot | 1 | 702 tok |
| microsoft/Agent365-python | 42 | Claude Code, GitHub Copilot | 14 | 3,249 tok |
| ccampora/mcp_xpp Experimental MCP server for Dynamics 365 F&O X++ development. Provides object creation, mo | 42 | GitHub Copilot | 1 | 313 tok |
| trsdn/mcp-server-ppt PowerPoint MCP server and CLI for safe Microsoft PowerPoint automation via the native COM | 42 | Codex, GitHub Copilot, OpenCode | 17 | 43,385 tok |
| SaadRahman01/claude-moodle-dev Moodle development toolkit for AI coding assistants. Skills for XMLDB, Hooks API, PHPUnit, | 42 | GitHub Copilot | 1 | 834 tok |
| tale-project/tale tale.dev Open-source project workspace for teams and AI agents. Assign tasks, coordinate agents in | 42 | Claude Code, Codex, GitHub Copilot, OpenCode | 4 | 2,728 tok |
| xelis-project/xelis-genesix-wallet Genesix is a unique and easy-to-use GUI wallet for XELIS available on Windows, Linux, Andr | 42 | Claude Code, Codex, GitHub Copilot, OpenCode | 19 | 3,252 tok |
| ttxttx1111/sts2-llm GitHub Copilot player agent customization pack for Slay the Spire 2 via STS2MCP | 41 | GitHub Copilot | 4 | 1,889 tok |
| yujiosaka/knowhub Synchronize AI coding–agent knowledge files (rules, templates, guidelines) across your pro | 41 | Claude Code, GitHub Copilot | 2 | 1,927 tok |
| codemillmatt/awesome-copilot-example Follow along example repo showing how custom instructions, prompts, and chat modes work! | 41 | GitHub Copilot | 1 | 346 tok |
| troystaylor/SharingIsCaring A collection of Power Platform custom connectors, MCP servers, and connector code samples | 41 | GitHub Copilot | 2 | 5,054 tok |
| mafzaal/d365fo-client thedataguy.pro A comprehensive Python client library and MCP server for Microsoft Dynamics 365 Finance & | 41 | Claude Code, Codex, GitHub Copilot, OpenCode | 5 | 6,837 tok |
| Azure-Samples/claude learn.microsoft.com Deploy Anthropic Claude on Microsoft Foundry with `azd up` (Bicep or Terraform) and call i | 41 | Codex, GitHub Copilot, OpenCode | 2 | 2,843 tok |
| chrisgleissner/c64bridge MCP server to control and program the Commodore 64 Ultimate, Ultimate 64, Ultimate II, or | 41 | Claude Code, Codex, GitHub Copilot, OpenCode | 27 | 4,359 tok |
| rhein1/agoragentic-integrations agoragentic.com Public adapters and discovery catalog for Triptych OS (Agent OS): agent frameworks, MCP/A2 | 41 | Codex, GitHub Copilot, Gemini CLI, OpenCode | 3 | 3,303 tok |
| sbroenne/mcp-server-powerpoint powerpointmcpserver.dev Automate real Microsoft PowerPoint with AI via MCP Server or CLI - slides, shapes, tables, | 41 | Claude Code, Codex, GitHub Copilot, OpenCode | 10 | 8,001 tok |
| putervision/vision-memory-mcp visionmemorymcp.com Persistent visual cache for LLM-driven software development. Caches screenshots using perc | 40 | Claude Code, Codex, GitHub Copilot, Windsurf | 10 | 45,077 tok |
| tontoko/fast-playwright-mcp npmjs.com FAST Playwright MCP server | 40 | GitHub Copilot | 1 | 338 tok |
| TriV3/MCP-Kali-Server Automates Kali Linux pentesting with MCP: programmatic access to popular tools, SSH and re | 40 | GitHub Copilot | 1 | 116 tok |
| timothywarner-org/ab100 techtrainertim.com Exam AB-100: Agentic AI Business Solutions Architect | 40 | Claude Code, Codex, GitHub Copilot, OpenCode | 10 | 7,015 tok |
| mistval/yozakura mistval.github.io An LLM-powered social simulation and roleplaying engine where NPCs have their own lives to | 40 | GitHub Copilot | 1 | 409 tok |
| raye-deng/open-code-review codes.evallab.ai 🤖 AI code quality gate for AI-generated code. Detects hallucinated packages, phantom depe | 40 | GitHub Copilot | 1 | 162 tok |
| nirholas/Binance-MCP binance-mcp.modelcontextprotocol.name A Model Context Protocol (MCP) server for Binance.com API. Offers standardized access to s | 40 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 4 | 924 tok |
| richardwooding/feed-mcp MCP Server for RSS, Atom, and JSON Feeds | 40 | Claude Code, GitHub Copilot | 4 | 2,099 tok |
| vscarpenter/gsd-task-manager gsd.vinny.dev Stop juggling, start finishing. GSD Task Manager makes it easy to sort your to-dos into wh | 40 | Claude Code, Codex, GitHub Copilot, OpenCode | 37 | 6,849 tok |
| mendix/web-widgets marketplace.mendix.com Mendix Platform supported widgets and modules for web | 40 | Claude Code, Codex, GitHub Copilot, OpenCode | 48 | 4,389 tok |
| wildcard/caro caro.sh caro: fast Rust CLI that turns natural‑language tasks into a safe POSIX command. Built for | 40 | Claude Code, GitHub Copilot | 16 | 13,030 tok |
| sushichan044/cc-hooks-ts npmjs.com Define Claude Code hooks with full type safety. | 39 | Claude Code, Codex, GitHub Copilot, OpenCode | 37 | 1,322 tok |
| digitarald/vscode-agent-todos marketplace.visualstudio.com Gives VS Code agent mode planning superpowers with dynamic todo lists | 39 | Claude Code, GitHub Copilot | 2 | 5,384 tok |
| girishr/SpecPilot specpilot.dev Spec-driven development (SDD) CLI for AI coding agents (Claude Code, Cursor) - initialize, | 39 | Claude Code, GitHub Copilot | 11 | 1,715 tok |
| YoavLax/agent-compass agentcompass.ashymeadow-b5411f47.eastus.azurecontainerapps.io Get your repo ready for AI. | 39 | Claude Code, Codex, GitHub Copilot | 5 | 979 tok |
| padmarajnidagundi/Playwright-AI-Agent-POM-MCP-Server Playwright AI Agent POM MCP ServerPlaywright AI Agent using Page Object Model (POM) archit | 39 | Claude Code, Codex, GitHub Copilot | 10 | 1,344 tok |
| prefrontal-systems/cortexgraph Temporal memory system for AI assistants with human-like forgetting curves. All data store | 39 | GitHub Copilot | 5 | 19,900 tok |
| SalesforceDiariesBySanket/Copilot-Skills-Salesforce Salesforce Developer and Architect Skills for GitHub Copilot | 39 | GitHub Copilot | 1 | 2,466 tok |
| advanced-security/codeql-development-mcp-server LLM <-- MCP --> CodeQL( AST | CFG | CLI | LSP ) | 39 | Claude Code, Codex, GitHub Copilot | 22 | 8,231 tok |
| airas-org/airas airas-org.github.io AIRAS - an open-source project for research automation | 39 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 486 tok |
| jamesmontemagno/spec-driven-app-template This is a template for using agent mode with MCP servers to do research driven development | 38 | GitHub Copilot | 2 | 200 tok |
| nirholas/UCAI ucai.ninabrekkerese.workers.dev Universal Contract AI Interface (UCAI) 🔗 ABI to MCP | The open standard for connecting AI | 38 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 4 | 926 tok |
| Copenhagen0x/solana-security-standard jelleo.com Solana's SOL-0XX security standard — bug-class rules distilled from $514M of real exploits | 38 | GitHub Copilot | 1 | 2,098 tok |
| Vaiz/rust-mcp-server MCP server for development in Rust | 38 | Claude Code, GitHub Copilot | 2 | 691 tok |
| loocor/mcpmate mcp.umate.ai MCPMate is a progressive MCP management center for organizing servers, clients, profiles, | 38 | Claude Code, Codex, GitHub Copilot, OpenCode | 7 | 2,931 tok |
| HIDORAKAI002/ai-workspace-archive A massive, self-updating local archive of AI tools — 11,000+ agent skills, 240+ MCP server | 38 | Claude Code, GitHub Copilot | 2 | 2,797 tok |
| rippleshe/sciplot-academic Chinese scientific research plotting library | Nature/IEEE styles | pastel/earth/ocean col | 38 | Claude Code, GitHub Copilot | 2 | 2,979 tok |
| j4flmao/agent-skills | 38 | Claude Code, Codex, GitHub Copilot, OpenCode | 13 | 2,791 tok |
| Artesiana/agent2 getagent2.dev Turn domain experts into production AI agents. | 37 | Claude Code, Codex, GitHub Copilot, Cursor, OpenCode | 12 | 2,346 tok |
| MicSm/boffin Staff-engineer layer for AI coding agents: routes per-edit architectural constraints and r | 37 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 7,626 tok |
| lineai-intelligence/lineai-mcp-server codelogic.com An MCP Server to utilize Lineai's rich software dependency data in your AI programming ass | 37 | GitHub Copilot | 1 | 714 tok |
| Aboudjem/ERC-3643 ERC-3643 - Raptor Version is a simple, educational look at the T-REX standard. Using Solid | 37 | Claude Code, Codex, GitHub Copilot, Cursor, OpenCode | 4 | 2,713 tok |
| wmeints/context-engineering Improve the output of coding agents like Claude Code and Github Copilot by providing the r | 37 | GitHub Copilot | 1 | 271 tok |