3,523 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 agents7,450Claude Code6,586Data and AI3,698Backend and APIs3,488Languages3,402Planning3,191Git and workflow3,129Code review2,728Memory and context2,353Testing2,330DevOps and cloud2,293Research2,288Writing and docs2,283Frontend2,242Security1,990Productivity1,704
All Claude Code32,053 Codex23,184 OpenCode21,956 GitHub Copilot3,523 Gemini CLI1,906 Cursor1,729 Windsurf98 Kiro64
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| kubeflow/mcp-server MCP Server for AI-Assisted Development with Kubeflow Tools | 43 | Codex, GitHub Copilot, OpenCode | 2 | 2,802 tok |
| vaquarkhan/data-engineering-agent-skills vaquarkhan.github.io Production-grade Agent Skills for data engineering AI agents: 73 workflows, platform prese | 43 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 2,482 tok |
| raffertyuy/github-copilot-prompts | 43 | Claude Code, GitHub Copilot | 14 | 1,117 tok |
| hiero-ledger/solo An opinionated CLI tool to deploy and manage standalone test networks. | 43 | Claude Code, Codex, GitHub Copilot, OpenCode | 7 | 5,479 tok |
| Robotti-io/copilot-security-instructions ✨ A customizable copilot-instructions.md ruleset & prompts to guide GitHub Copilot toward | 42 | Claude Code, Codex, GitHub Copilot | 12 | 1,869 tok |
| mits-pl/wove Open-source AI coding agent. Desktop app, bring your own model. Writes code, browses the w | 42 | Claude Code, GitHub Copilot | 18 | 816 tok |
| szaffarano/org-mcp-server MCP server for org-mode and org-roam knowledge base management | 42 | Claude Code, GitHub Copilot | 2 | 3,250 tok |
| microsoft/DataFactory.MCP nuget.org | 42 | Claude Code, Codex, GitHub Copilot | 15 | 524 tok |
| qorstack/qorstack-report report.qorstack.com | 42 | Codex, GitHub Copilot, OpenCode | 2 | 1,658 tok |
| twitbruv/twitbruv | 42 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 4 | 2,081 tok |
| 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 |
| FouadMagdy01/RNCopilot Production-ready React Native Expo starter template with auth, theming, i18n, and 33+ UI | 42 | Claude Code, Codex, GitHub Copilot, Cursor, OpenCode | 7 | 11,654 tok |
| sandialabs/atlas-ui-3 A LLM chat UI. | 42 | Claude Code, Codex, GitHub Copilot, OpenCode | 6 | 6,054 tok |
| dvdxfv/skill-writing-dna Writing DNA + AI rewriting skill workflow: a paper/document rewriting pipeline based on an | 42 | Claude Code, Codex, GitHub Copilot | 4 | 10,844 tok |
| NuGuardAI/nuguard nuguard.ai AI red-teaming tool and LLM security framework to evaluate agentic AI applications. Tests | 42 | Claude Code, Codex, GitHub Copilot, OpenCode | 7 | 4,771 tok |
| laurentvv/crawl4ai-mcp-llm crawl4ai-mcp-llm-doc.vercel.app Web crawling tool that integrates with AI assistants via the MCP | 41 | GitHub Copilot | 1 | 146 tok |
| microsoft/Agent365-python | 41 | Claude Code, GitHub Copilot | 14 | 3,204 tok |
| ttxttx1111/sts2-llm GitHub Copilot player agent customization pack for Slay the Spire 2 via STS2MCP | 41 | GitHub Copilot | 4 | 1,889 tok |
| ndepend/NDepend.MCP.Server ndepend.com A suite of MCP tools that provides in-depth workspace analysis, advanced code inspection, | 41 | GitHub Copilot | 1 | 1,014 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 |
| nitinjain999/platform-skills A platform engineering handbook covering Kubernetes, OpenShift, Argo CD, Flux CD, AWS, Azu | 41 | Claude Code, GitHub Copilot, Cursor | 3 | 7,970 tok |
| askdba/mysql-mcp-server MySQL Server implementation for Model Context Protocol (MCP) written in Go. | 41 | Codex, GitHub Copilot, OpenCode | 2 | 550 tok |
| sandraschi/blender-mcp Headless Blender automation via FastMCP — 41 portmanteau tools (150+ ops). Batch mesh/VSE/ | 41 | Claude Code, Codex, GitHub Copilot, Cursor, OpenCode, Windsurf | 8 | 906 tok |
| putervision/spc spaceproofcode.com High-performance zero-dependency static analysis tool enforcing NASA Power of Ten rules ac | 40 | Claude Code, GitHub Copilot | 2 | 3,510 tok |
| nirholas/universal-crypto-mcp mcp.giving Universal MCP server for AI agents to interact with any* blockchain via natural language a | 40 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 4 | 802 tok |
| personamanagmentlayer/pcl pclang.org Persona Control Language (PCL) | 40 | Claude Code, GitHub Copilot | 2 | 8,242 tok |
| barun-saha/kodeagent kodeagent.readthedocs.io The minimal AI agent engine | 40 | GitHub Copilot | 1 | 173 tok |
| ccampora/mcp_xpp Experimental MCP server for Dynamics 365 F&O X++ development. Provides object creation, mo | 40 | GitHub Copilot | 1 | 313 tok |
| tontoko/fast-playwright-mcp npmjs.com FAST Playwright MCP server | 40 | GitHub Copilot | 1 | 338 tok |
| RajjjAryan/career-copilot AI-powered job search pipeline for AI coding agents | 40 | Claude Code, Codex, GitHub Copilot, Cursor, Gemini CLI, OpenCode | 5 | 465 tok |
| iPythoning/b2b-sdr-hermes-skill Autonomous AI SDR skill for Hermes Agent — finds buyers, qualifies leads, sends outreach, | 40 | Claude Code, Codex, GitHub Copilot, Cursor, Gemini CLI, OpenCode | 5 | 1,096 tok |
| mendix/web-widgets marketplace.mendix.com Mendix Platform supported widgets and modules for web | 40 | Claude Code, Codex, GitHub Copilot, OpenCode | 45 | 4,389 tok |
| cybergarage/go-matter | 40 | GitHub Copilot, Gemini CLI | 2 | 1,723 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 |
| honeydew-ai/honeydew-ai-coding-agents-plugins honeydew.ai Honeydew AI plugins for coding agents (Claude Code, Codex, Cursor, Github Copilot, Gemini, | 39 | Claude Code, Codex, GitHub Copilot, OpenCode | 4 | 2,103 tok |
| TriV3/MCP-Kali-Server Automates Kali Linux pentesting with MCP: programmatic access to popular tools, SSH and re | 39 | GitHub Copilot | 1 | 116 tok |
| FerroxLabs/wayland-core getwayland.com Multi-provider AI agent CLI written in Rust | 39 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 4 | 9,106 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 |
| Patrick-Healy/tikz-diagrams-skill | 39 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 5 | 589 tok |
| troystaylor/SharingIsCaring A collection of Power Platform custom connectors, MCP servers, and connector code samples | 39 | GitHub Copilot | 2 | 5,054 tok |
| mafzaal/d365fo-client thedataguy.pro A comprehensive Python client library and MCP server for Microsoft Dynamics 365 Finance & | 39 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 6,837 tok |
| Wolfe-Jam/faf-cli faf.one The context every AI coding agent reads — authors AGENTS.md, CLAUDE.md, GEMINI.md & .curso | 39 | Claude Code, Codex, GitHub Copilot, Cursor, Gemini CLI, OpenCode | 5 | 1,939 tok |
| oak-invest/kiso oak-invest.github.io Kiso is a publishing engine that turns Open Knowledge Format (OKF) bundles into static web | 39 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 2,405 tok |
| YoavLax/agent-compass agentcompass.ashymeadow-b5411f47.eastus.azurecontainerapps.io Get your repo ready for AI. | 38 | Claude Code, Codex, GitHub Copilot | 5 | 979 tok |
| MicSm/boffin Staff-engineer layer for AI coding agents: routes per-edit architectural constraints and r | 38 | 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 | 38 | GitHub Copilot | 1 | 714 tok |
| Aboudjem/ERC-3643 ERC-3643 - Raptor Version is a simple, educational look at the T-REX standard. Using Solid | 38 | Claude Code, Codex, GitHub Copilot, Cursor, OpenCode | 4 | 2,713 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 |