23,733 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 agents8,505Claude Code6,886Git and workflow3,611Data and AI3,580Backend and APIs3,556Languages3,487Planning3,327Code review2,899Testing2,686Writing and docs2,480DevOps and cloud2,479Memory and context2,375Research2,323Frontend2,308Security2,172Project management1,965
All Claude Code32,517 Codex24,815 OpenCode23,733 GitHub Copilot3,719 Gemini CLI2,034 Cursor1,770 Windsurf202 Kiro114
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| nfsarch33/pdf-mcp-server Local-first CLI + MCP server for everything PDF: form fill, OCR, redaction, signatures, ta | 15 | Codex, OpenCode | 1 | 624 tok |
| 777genius/universal-agent-plugins universal-agent-plugins.com Multi-agent CLI to install, update, repair, and remove Agent Plugins 1.0 and Agent Skills | 15 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 1,767 tok |
| SolarLLM/human-proofreader-mcp human-proofreader-mcp.toy.x.upstage.ai An MCP server that proofreads Korean manuscripts as if edited by a human editor — Upstage | 15 | Claude Code, Codex, OpenCode | 2 | 159 tok |
| Novadiem-Studio/bureau thebureau.dev Multi-agent engineering with cold review, artifact validation and resumable run state. | 15 | Claude Code, Codex, OpenCode | 2 | 6,409 tok |
| kaelig/state-of-ai-in-design-systems state-of-ai-in-design-systems.netlify.app A field survey of how 20 open-source design systems make themselves AI-friendly: MCP serve | 15 | Claude Code, Codex, OpenCode | 10 | 5,437 tok |
| tonydzi/second-brain-starter-kit A second brain for Claude Code and Codex that keeps receipts, following Karpathy's LLM Wik | 15 | Codex, OpenCode | 1 | 1,103 tok |
| JTCHE/houdini-mcp Connect AI agents to SideFX Houdini, with full documentation and screenshot support. | 15 | Claude Code, Codex, OpenCode | 2 | 502 tok |
| tao3k/xiuxian-artisan-workshop WIP-designed to bridge the gap between human intent and machine execution. | 15 | Claude Code, Codex, Gemini CLI, OpenCode | 5 | 6,814 tok |
| stellar-experimental/stellar-raven raven.stellar.org Stellar MCP server for AI agents: one authenticated gateway to official docs, live ecosyst | 15 | Claude Code, Codex, OpenCode | 10 | 2,561 tok |
| marek-burza/shrubbery | 15 | Claude Code, Codex, OpenCode | 13 | 4 tok |
| brayandiazc/project-starter-template-es-ai Plantilla lista para IA para iniciar cualquier proyecto: base de documentación profesional | 15 | Claude Code, Codex, OpenCode | 29 | 2,051 tok |
| craigk5n/gtimer k5n.us GTimer is a GTK application for timing how you spend your time among various projects and | 15 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 3,343 tok |
| prolific-oss/cli 🔬 A CLI for managing and automating workflows on the Prolific platform | 15 | Claude Code, Codex, GitHub Copilot, OpenCode | 6 | 3,704 tok |
| hoangsonww/DevVerse-SWE-Blog devverse-swe.vercel.app 🪐 DevVerse CS Blog – A modern, high-performance blog app built with Next.js, Vercel, Supa | 15 | Claude Code, Codex, GitHub Copilot, OpenCode | 17 | 3,839 tok |
| Resonant-Jones/Codexify Local First AI Operating System with Longterm Memory, MultiAgent Orchestration, Persona Sw | 15 | Claude Code, Codex, Gemini CLI, OpenCode | 6 | 4,685 tok |
| zsviczian/ea-script-template A template project for creating Obsidian ExcalidrawAutomate scripts | 15 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 117 tok |
| stevessr/bug-v3 microsoftedge.microsoft.com An emoji plugin with many bugs, mainly tested on Linux. It should work with most Discourse | 15 | Claude Code, Codex, OpenCode | 38 | 6,081 tok |
| abicheck/abicheck abicheck.github.io API/ABI checker: castxml-based header dumper + Python checker + LLVM/GCC support | 14 | Claude Code, Codex, GitHub Copilot, OpenCode | 15 | 5,667 tok |
| sintaxasn/Fluence.Wpf fluencewpf.com Fluence.Wpf is a modern theming and control library based on WinUI 3, but for WPF on .NET | 14 | Claude Code, Codex, GitHub Copilot, OpenCode | 12 | 2,958 tok |
| contextgo/contextgo | 14 | Claude Code, Codex, OpenCode | 11 | 3,168 tok |
| stufently/aviasales-mcp stufently.github.io MCP server for flight price search via the Aviasales / Travelpayouts Data API. 13 read-onl | 14 | Codex, OpenCode | 1 | 1,915 tok |
| OutlineDriven/odin-codex-plugin outlinedriven.github.io Outline-Driven Development for Codex CLI - methodology + skills + agents for OpenAI Codex | 14 | Codex, OpenCode | 1 | 10,608 tok |
| omril321/automated-notebooklm Automation around NotebookLM, with a monday.com board integration | 14 | Claude Code, Codex, OpenCode | 4 | 1,424 tok |
| chengkj99/kj-skills | 14 | Claude Code, Codex, OpenCode | 7 | 1,368 tok |
| SoulKyu/openwiki-cc Auto-generate and maintain a documentation wiki for any repo — native Claude Code plugin ( | 14 | Claude Code, Codex, OpenCode | 3 | 91 tok |
| Cynrath/agent-context-kit cynrath.github.io Offline-first toolkit for agent-ready repositories: readiness scoring, instruction graphs, | 14 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 4 | 4,051 tok |
| ZethRise/ReadyDesign-Skill Ready to use design system for cool UI/UX with no extra slop | 14 | Claude Code, Codex, OpenCode | 2 | 184 tok |
| t1/tdder A Claude Code plugin that guides AI agents through disciplined Test-Driven Development and | 14 | Claude Code, Codex, OpenCode | 3 | 1,132 tok |
| MartinPuli/createAnApp Evidence-gated AI agent skills for shipping Apple apps from idea validation to App Store l | 14 | Codex, OpenCode | 1 | 291 tok |
| forsvn-labs/meta-skills Turn your coding agent into a full product team — composable skills across research, marke | 14 | Claude Code, Codex, OpenCode | 2 | 341 tok |
| quan0715/open-press open-press.dev AI-first fixed-layout document workspaces. Your AI agent writes proposals, whitepapers, th | 14 | Claude Code, Codex, OpenCode | 2 | 3,542 tok |
| krutikJain/android-agent-skills Android skills repository for Kotlin, Compose, XML, testing, CI, release work, and legacy | 14 | Codex, OpenCode | 1 | 1,437 tok |
| isak102/neowright Like Playwright, but for Neovim | 14 | Codex, OpenCode | 1 | 146 tok |
| ibrahimhajjaj/wu-cli WhatsApp CLI tool — like gh is to GitHub, wu is to WhatsApp | 14 | Codex, OpenCode | 1 | 1,280 tok |
| pipulate/pipulate pipulate.com Local First AI SEO Software on Nix, FastHTML & HTMX | 14 | Claude Code, Codex, OpenCode | 7 | 1,039 tok |
| openSUSE/mcp-bugzilla pypi.org Bugzilla Model context protocol (MCP) Server | 14 | Codex, OpenCode | 1 | 844 tok |
| peacprotocol/peac peacprotocol.org Portable signed records for automated interactions. | 14 | Codex, OpenCode | 1 | 1,269 tok |
| freema/mcp-jira-stdio MCP server for Jira integration with stdio transport. Issue management, project tracking, | 14 | Claude Code, Codex, OpenCode | 5 | 887 tok |
| clowlove/Hermes-House clowlove.github.io 🤖 Self-Evolving Multi-Agent AI System | 116+ Skills | TrendRadar · Reviewer | Learn, Buil | 14 | Codex, OpenCode | 1 | 641 tok |
| agentailor/create-mcp-server agentailor.com Scaffold production-ready MCP servers in seconds | 14 | Codex, OpenCode | 1 | 6,323 tok |
| emiliomartucci/marvis The Company Brain your agents install — use your coding agent to run projects and coordina | 14 | Claude Code, Codex, OpenCode | 2 | 199 tok |
| asta-nguyen/kamehadb kamehadb.astalife.co KamehaDB is a cross-platform database GUI - AI. Support query via human language | 14 | Claude Code, Codex, OpenCode | 17 | 6,150 tok |
| joslat/maf-doctor AI-powered toolkit for Microsoft Agent Framework (MAF) migrations — agents, skills, MCP se | 14 | Claude Code, Codex, GitHub Copilot, OpenCode | 6 | 7,410 tok |
| Tideshift-Labs/Fathom A Rider Plugin for improving UE5 C++ development for your LLM agent of choice | 14 | Codex, OpenCode | 1 | 683 tok |
| tmdgusya/gemini-swarm | 14 | Codex, Gemini CLI, OpenCode | 2 | 2,567 tok |
| seanyao/roll seanyao.github.io Autonomous software delivery with AI agents — your BACKLOG runs itself, guided by encoded | 14 | Claude Code, Codex, OpenCode | 3 | 1,862 tok |
| forsonny/Codex-OS ko-fi.com Codex CLI development framework that transforms product ideas into production-ready softwa | 14 | Codex, OpenCode | 1 | 680 tok |
| daeryundf2-prog/LAZYANTIGRAVITY Open-source agent orchestration framework providing deterministic multi-agent workflows, A | 14 | Codex, OpenCode | 1 | 2,162 tok |
| yuxaoxao/dot-ai | 14 | Claude Code, Codex, OpenCode | 2 | 109 tok |
| vichhka-git/renef-skills Agent Skill for operating renef.io — Android ARM64 dynamic instrumentation: hook native/Ja | 14 | Codex, OpenCode | 1 | 561 tok |