1,905 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 |
|---|---|---|---|---|
| TaoELi/MaxwellLink maxwelllink.org A flexible framework for self-consistent EM-molecular simulations, powered by AI agent ski | 10 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 755 tok |
| arjun1194/insta-mcp Instagram MCP Server - Provides AI assistants with tools for Instagram analytics, insights | 10 | Gemini CLI | 1 | 635 tok |
| missdeer/gemini-mcp-rs Gemini-MCP-rs is an MCP server that encapsulates Google's Gemini CLI tool into a standard | 10 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 7,315 tok |
| xiaolai/eou-foundry Recursive governance for Executable Operating Units (EOUs). Faceted classification, genera | 10 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 1,747 tok |
| sam-ent/google-automation-mcp Google Workspace APIs for AI agents — Gmail, Drive, Sheets, Calendar, Docs, Forms, Tasks. | 10 | Gemini CLI | 1 | 776 tok |
| sfiorini/youtube-mcp MCP Server for YouTube API, enabling video management, Shorts creation, and advanced analy | 10 | Claude Code, Gemini CLI | 2 | 4,981 tok |
| Aeven-AI/mcp-nanobanana mcp for nano banana using openrouter.ai | 10 | Codex, Gemini CLI, OpenCode | 2 | 2,076 tok |
| Postpartum-genushyacinthus29/dotnet-skills Teach AI agents modern .NET skills for ASP.NET Core, EF, Blazor, MAUI, and more with a gro | 10 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 9,378 tok |
| jamditis/mooc-starter-kit mooc.amditis.tech Starter repo for Advanced Prompt Engineering for Journalists — a Knight Center MOOC on AI | 10 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 1,497 tok |
| lhpaul/ai-dev-framework-template A tool-agnostic AI-assisted development framework template. Structured workflow (Spec → Pl | 10 | Claude Code, Codex, Gemini CLI, OpenCode | 4 | 4,854 tok |
| hyhmrright/market-sages 13 legendary investors analyzing stocks for you — Buffett to Taleb. Real-time data via web | 10 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 1,689 tok |
| Owl-Listener/agent-ready A Figma plugin + Agent skill that scores how AI-ready your design files are. | 10 | Gemini CLI | 1 | 2,112 tok |
| yfge/agent-harness-skills Turn real software repos into agent-ready engineering environments with entrypoints, valid | 10 | Codex, Gemini CLI, OpenCode | 2 | 561 tok |
| browserbase/browse-plugin | 10 | Gemini CLI | 1 | 3,694 tok |
| google/chrome-enterprise-premium-mcp chromeenterprise.google Reference implementation for a Chrome Enterprise Premium MCP server | 10 | Codex, Gemini CLI, OpenCode | 2 | 1,021 tok |
| lvcoi/solidJSkills A repo intended to be an mcp server for SolidJS Agentic Skills | 10 | Codex, Gemini CLI, OpenCode | 2 | 534 tok |
| btseee/clean-code-skills Clean Coding and Clean Archictecture skills for Agents | 10 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 5 | 7,394 tok |
| mike007jd/game-superpowers Skills-first game development superpowers for Claude Code and Codex: build, audit, polish, | 10 | Codex, Gemini CLI, OpenCode | 2 | 206 tok |
| Mentor-Wizard/mentor-wizard-webapp mentor-wizard.github.io Mentor Wizard Webapp based on Larvel + InertiaJS (Vue) | 10 | Claude Code, Gemini CLI | 59 | 14,942 tok |
| SUSE/release-notes SUSE release notes | 10 | Codex, Gemini CLI, OpenCode | 2 | 4,028 tok |
| FleetAdmiralJakob/chat-io chat-io.roessner.tech Post Quantum Secured Messaging PWA | 10 | GitHub Copilot, Gemini CLI | 3 | 15,945 tok |
| Resonant-Jones/Codexify Local First AI Operating System with Longterm Memory, MultiAgent Orchestration, Persona Sw | 10 | Claude Code, Codex, Gemini CLI, OpenCode | 6 | 4,223 tok |
| nickna/Conduit A unified API gateway for multiple LLM providers with OpenAI-compatible endpoints | 10 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 12,644 tok |
| fullstorydev/fullstory-skills | 9 | Gemini CLI | 1 | 225 tok |
| fjpulidop/specrails-core Chain-of-agents system to develop software. | 9 | Claude Code, Codex, Gemini CLI | 21 | 1,873 tok |
| dryvist/ai-assistant-instructions A comprehensive, vendor-agnostic framework for consistent AI-assisted development workflow | 9 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 4 | 1,095 tok |
| rynald0cst0ltziam/Warden-AI warden-io.vercel.app The structurally-verified context layer for AI coding agents. Cut 50-90% of your agent's t | 9 | Claude Code, Codex, GitHub Copilot, Cursor, Gemini CLI, OpenCode | 7 | 22,508 tok |
| powabase-ai/agent-skills docs.powabase.ai Agent Skills that help AI coding assistants build on Powabase — the AI Backend-as-a-Servic | 9 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 1,170 tok |
| oghie/skillsets My personal collection of agent skills for software, security, product and research engine | 9 | Codex, Gemini CLI, OpenCode | 2 | 734 tok |
| AnamKwon/agent-skill-router Cross-agent skill router that organizes large local skill libraries into category routers | 9 | Gemini CLI | 1 | 116 tok |
| dinosn/security-knowledge-base Local-first, evidence-led security knowledge base with a model-neutral JSON CLI, immutable | 9 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 1,401 tok |
| redhuntlabs/wizard Build AI spells for what you do - a meta-builder that turns recurring tasks into reusable | 9 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 1,340 tok |
| PhAlves23/prompt-engineering-skill promptcause.com Prompt Engineering skill for Claude Code — rewrites and optimizes prompts using proven tec | 9 | Gemini CLI | 1 | 1,067 tok |
| hottweelz/writing-template-for-ai Write a book from first idea to a finished EPUB/PDF with AI — one cross-tool system for Cl | 9 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 4 | 2,173 tok |
| KumaBase/agent-base | 9 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 7 | 3,029 tok |
| SarutobiSasuke8/agentops-template Governed, repo-native AgentOps template for AI-assisted software projects, with cross-agen | 9 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 6 | 4,013 tok |
| kadiresen/context-bank The 'git init' for AI context. Bootstrap your project's AI memory and rules in seconds. | 9 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 6 | 587 tok |
| catuscio/gh-stars-classifier-skill Classify your GitHub stars into semantic categories and sync to GitHub Lists, using LLM's | 9 | Claude Code, Codex, Gemini CLI, OpenCode | 2 | 2,702 tok |
| eanai-ro/ean-agentos Persistent memory for AI coding agents. Never solve the same bug twice. Works with Claude | 9 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 1,146 tok |
| Exponential-OS/prompt-engineering-in-action linkedin.com Prompt engineering techniques that work in practice. Co-Dialectic: your AI coaches your pr | 9 | Claude Code, Gemini CLI | 4 | 1,320 tok |
| compozy/gograph Go Codebase Graph Analyzer | 9 | Claude Code, Gemini CLI | 2 | 3,092 tok |
| fusebase-dev/fusebase-flow ai-dev.thefusebase.com The framework client-facing teams use to build internal & client apps with AI. Two agents | 9 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 74 | 3,466 tok |
| jackofall1232/l00prite a vendor-neutral runtime protocol for autonomous AI coding agents persistent memory, execu | 9 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 11 | 7,521 tok |
| adamdroberts/agent-skills | 9 | Claude Code, Gemini CLI | 2 | — |
| rahulgarg123/openscad-mcp MCP server for OpenSCAD rendering | 9 | Gemini CLI | 1 | 432 tok |
| deejay-hub/salesforce-ada-agent-skills Salesforce agent skills to learn and make decisions | 9 | Claude Code, Codex, Gemini CLI, OpenCode | 5 | 4,569 tok |
| lacvietanh/akidevrule Aki's rules and skills for UNIFY [Claude, AGY, Grok, Kiro, Ollama,v.v..] packaged for easy | 9 | Claude Code, Gemini CLI | 2 | 1,674 tok |
| wezendy/elon-musk-algorithm-skills Elon Musk's 5-step algorithm as skills for AI agents. | 9 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 2,190 tok |
| facebookresearch/projectaria-plugins Official Claude Code marketplace for Project Aria — install ARK plugins for Aria SDK devel | 9 | Gemini CLI | 1 | 394 tok |
| dinglebear-ai/yarr npmjs.com Rust MCP and CLI server for media automation fleets: Sonarr, Radarr, Prowlarr, Tautulli, O | 9 | Claude Code, Codex, Gemini CLI, OpenCode | 4 | 9,543 tok |