3,513 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 agents7,410Claude Code6,578Data and AI3,695Backend and APIs3,487Languages3,404Planning3,188Git and workflow3,106Code review2,712Memory and context2,351Testing2,325Research2,289DevOps and cloud2,283Writing and docs2,279Frontend2,245Security1,983Productivity1,702
All Claude Code32,024 Codex23,149 OpenCode21,923 GitHub Copilot3,513 Gemini CLI1,905 Cursor1,728 Windsurf83 Kiro58
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| yschimke/compose-ai-tools yschimke.github.io Helping the Agents Compose the Things | 110 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 6 | 3,386 tok |
| sportsdataverse/cfbfastR cfbfastr.sportsdataverse.org An R package to quickly obtain clean and tidy college football play by play data | 110 | Claude Code, GitHub Copilot | 2 | 7,743 tok |
| SAP-samples/hana-developer-cli-tool-example sap-samples.github.io Learn how to build a developer-centric SAP HANA command line tool, particularly designed t | 110 | Claude Code, GitHub Copilot | 45 | 119,468 tok |
| santhoshravindran7/Fabric-Analytics-MCP A Model Context Protocol (MCP) server that enables AI assistants to securely access and an | 109 | GitHub Copilot | 1 | — |
| natnew/Awesome-Prompt-Engineering natnew.github.io Awesome-Prompt-Engineering - This repository includes resources for prompt engineering. 🌟 | 109 | Claude Code, Codex, GitHub Copilot, OpenCode | 7 | 6,747 tok |
| microsoft/vscode-copilotstudio VS Code Extension for Copilot Studio | 109 | Claude Code, Codex, GitHub Copilot, OpenCode | 6 | 6,765 tok |
| nebrass/hve-video-director AI-powered video production pipeline for Claude Code, Github Copilot, Codex, Cursor, OpenC | 108 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 15,798 tok |
| idoforgod/Dissertation-Simulator-AgenticWorkflow A doctoral dissertation research simulation system in which 58 AI agents collaborate acros | 108 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 12 | 39,470 tok |
| raphaelmansuy/adk_training raphaelmansuy.github.io Google ADK Training Hub: Build Production-Ready Google AI Agents in Days, Not Months 🚀 T | 107 | GitHub Copilot | 1 | 5,643 tok |
| microsoft/Agent365-Samples | 107 | Claude Code, GitHub Copilot | 11 | 5,728 tok |
| JayPokale/Chisle chisle.jaypokale.me Your AI talks less, builds less, says more. Like a senior dev who bills by the syllable. | 106 | Codex, GitHub Copilot, Gemini CLI, OpenCode | 3 | 1,323 tok |
| canonical/workshop ubuntu.com Workshops are secure, fast, and composable development environments that come agent-ready. | 106 | Claude Code, Codex, GitHub Copilot | 9 | 1,312 tok |
| dvcrn/mcp-server-devonthink | 105 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 4 | 7,482 tok |
| gviiisen/repo-context-ledger Agent Skill for AI context management: provides cross-window continuity for Codex context | 105 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 1,902 tok |
| ProjectSidewalk/SidewalkWebpage projectsidewalk.org Project Sidewalk web page | 105 | Claude Code, GitHub Copilot | 13 | 4,575 tok |
| harness/harness-skills developer.harness.io A collection of structured AI agent skills that enable Claude Code, Cursor, GitHub Copil | 105 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 4,472 tok |
| guigui42/mcp-vosdroits Serveur MCP pour Service Public Vos Droits | 105 | GitHub Copilot | 7 | 4,954 tok |
| mcpc-tech/mcpc Build agentic-MCP servers by composing existing MCP tools. | 104 | Claude Code, Codex, GitHub Copilot | 5 | 1,191 tok |
| muchengracedriver/awesome-requirements-writer Turn engineering intent into requirements that can be designed, reviewed, implemented, ver | 104 | GitHub Copilot | 2 | 713 tok |
| microsoft/PromptKit Agentic prompts are the most important code you're not engineering. PromptKit fixes that — | 104 | GitHub Copilot | 1 | 1,144 tok |
| olibartfast/neuriplo-infer C++ app for computer vision inference, supporting multiple tasks and backends. | 104 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 2,281 tok |
| mcbodge/MudMCP MCP server that provides AI assistants with comprehensive access to MudBlazor component do | 104 | Claude Code, GitHub Copilot | 4 | 2,205 tok |
| javiarmesto/ALDC-AL-Development-Collection javiarmesto.github.io ALDC (AL Development Collection) transforms how you develop Business Central extensions wi | 103 | Claude Code, GitHub Copilot | 5 | 4,680 tok |
| shuotao/REVIT_MCP_study LEARN HOW TO BUILD UP YOUR REVIT MCP | 102 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 79 | 10,586 tok |
| sous-chefs/postfix supermarket.chef.io Development repository for the postfix cookbook | 102 | Codex, GitHub Copilot, OpenCode | 2 | 1,311 tok |
| faramesh/faramesh-core docs.faramesh.dev Governance-as-Code for AI agents. Declarative constraints with deterministic enforcement. | 102 | GitHub Copilot | 1 | 210 tok |
| edbizarro/dotfiles :skull: dotfiles! managed by GNU stow | 102 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 2,926 tok |
| nazarli-shabnam/clevis clevis.org Self-hosted GitHub security dashboard — tracks org security checks (MFA, branch protection | 101 | Claude Code, Codex, GitHub Copilot, Cursor, Gemini CLI, OpenCode | 17 | 5,410 tok |
| UmairBaig8/okf-generator OKF v0.1 knowledge bundle generator — Claude skill + OpenCode integration | 101 | Claude Code, Codex, GitHub Copilot, Cursor, OpenCode | 5 | 2,399 tok |
| Habitat-Thinking/ai-literacy-superpowers habitat-thinking.github.io A set of Claude Code and GitHub Copilot plugins providing the AI Literacy framework's comp | 101 | Claude Code, Codex, GitHub Copilot, OpenCode | 5 | 15,282 tok |
| getopenpost/openpost openpo.st Your socials, on steroids. | 101 | Claude Code, Codex, GitHub Copilot, OpenCode | 9 | 2,489 tok |
| spica-engine/spica spicaengine.com Spica is a development engine to build fast & efficient applications. | 100 | Claude Code, GitHub Copilot | 20 | 10,942 tok |
| aspenkit/aspens npmjs.com Your CLAUDE.md stopped working at 200 lines. Generate scoped skill files from your import | 99 | Claude Code, Codex, GitHub Copilot, OpenCode | 34 | 3,436 tok |
| JKorf/Bitfinex.Net cryptoexchange.jkorf.dev C#/.NET client library for the Bitfinex.com cryptocurrency exchange REST and WebSocket API | 98 | Codex, GitHub Copilot, OpenCode | 2 | 2,389 tok |
| jyjeanne/okf-rs A fast, open-source Rust toolkit for generating, validating and serving Open Knowledge For | 98 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 434 tok |
| BintzGavin/helios heliosrender.com Programmatic video creation with web technologies you already know. CSS animations just wo | 96 | Claude Code, Codex, GitHub Copilot, OpenCode | 19 | 1,155 tok |
| attilaszasz/sdd-pilot sdd-pilot.szaszattila.com Replace chaotic AI code generation with a disciplined, spec-driven workflow. SDD Pilot enf | 95 | Claude Code, Codex, GitHub Copilot, OpenCode | 8 | 3,453 tok |
| jayparikh/agentviz | 95 | Claude Code, GitHub Copilot | 4 | 4,341 tok |
| Ocean-Industries-Concept-Lab/openbridge-webcomponents openbridge.no OpenBridge design system implemented as Lit-based web components with support for all majo | 95 | Claude Code, Codex, GitHub Copilot, OpenCode | 25 | 67,122 tok |
| spences10/mcpick Vendor-neutral MCP configuration manager — one CLI to add, toggle, and audit MCP servers a | 94 | GitHub Copilot | 1 | 224 tok |
| Aam-Digital/ndb-core aam-digital.com Easy-to-use case management web app for NGOs anywhere in the world (Progressive Web App) | 94 | Claude Code, Codex, GitHub Copilot, OpenCode | 13 | 8,553 tok |
| pardeike/DecompilerServer A powerful MCP (Model Context Protocol) server for decompiling and analyzing .NET assembli | 94 | Codex, GitHub Copilot, OpenCode | 2 | 636 tok |
| reolink/reolink-cli Official command-line tool for Reolink IP cameras, doorbells and NVRs — LAN only, no cloud | 94 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 3 | 5,648 tok |
| webern/mx C++ binding for MusicXML. | 93 | Claude Code, Codex, GitHub Copilot, OpenCode | 17 | 4,224 tok |
| timothywarner-org/copilot-cert-prep GitHub Copilot Certification Exam Preparation | 93 | Claude Code, Codex, GitHub Copilot | 7 | 4,208 tok |
| uscensusbureau/us-census-bureau-data-api-mcp census.gov The U.S. Census Bureau Data API MCP connects AI Assistants with official Census Bureau sta | 93 | GitHub Copilot | 1 | 2,107 tok |
| shanselman/FlaUI-MCP MCP server for Windows desktop automation using FlaUI and UI Automation APIs | 93 | GitHub Copilot | 1 | 2,495 tok |
| HoangYell/markdy-com markdy.com 🎬 Open-source animated architecture diagrams as code. Diagram-native DSL, 17 layout engin | 93 | Claude Code, GitHub Copilot, Cursor | 4 | 426 tok |
| goehou/Visual-Enhancement-mcp MCP stdio server for image recognition via an existing vision model, enhancing Claude Code | 93 | GitHub Copilot | 1 | 1,166 tok |
| nirholas/crypto-vision cryptocurrency.cv The most comprehensive cryptocurrency API. Real-time prices, OHLCV, order books & market c | 92 | GitHub Copilot | 1 | 1,576 tok |