23,112 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 agents7,374Claude Code6,573Data and AI3,706Backend and APIs3,486Languages3,398Planning3,181Git and workflow3,100Code review2,701Memory and context2,354Testing2,311Research2,292DevOps and cloud2,282Writing and docs2,269Frontend2,250Security1,980Productivity1,695
All Claude Code32,004 Codex23,112 OpenCode21,881 GitHub Copilot3,501 Gemini CLI1,902 Cursor1,724 Windsurf62 Kiro40
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| h4ckf0r0day/obscura obscura.sh The headless browser for AI agents and web scraping | 26,268 | Codex, OpenCode | 1 | 2,630 tok |
| phuryn/pm-skills productcompass.pm PM Skills Marketplace: 100+ agentic skills, commands, and plugins — from discovery to stra | 26,066 | Claude Code, Codex, OpenCode | 2 | 1,910 tok |
| biomejs/biome biomejs.dev A toolchain for web projects, aimed to provide functionalities to maintain them. Biome off | 25,717 | Claude Code, Codex, OpenCode | 14 | 989 tok |
| JimLiu/baoyu-skills | 25,706 | Claude Code, Codex | 1 | 1,744 tok |
| agentskills/agentskills agentskills.io Specification and documentation for Agent Skills | 25,097 | Claude Code, Codex, OpenCode | 4 | 373 tok |
| EveryInc/compound-engineering-plugin every.to Official Compound Engineering plugin for Claude Code, Codex, Cursor, and more | 24,924 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 12,519 tok |
| promptfoo/promptfoo promptfoo.dev Test your prompts, agents, and RAGs. Red teaming/pentesting/vulnerability scanning for AI. | 24,875 | Claude Code, Codex, OpenCode | 8 | 5,280 tok |
| chromium/chromium chromium.googlesource.com The official GitHub mirror of the Chromium source | 24,730 | Claude Code, Codex, GitHub Copilot, Gemini CLI | 12 | 186 tok |
| letta-ai/letta docs.letta.com Platform for stateful agents: AI with advanced memory that can learn and self-improve over | 24,638 | Codex, OpenCode | 1 | 708 tok |
| RooCodeInc/Roo-Code roocode.com Roo Code gives you a whole dev team of AI agents in your code editor. | 24,309 | Codex, OpenCode | 1 | 95 tok |
| activepieces/activepieces activepieces.com AI Agents & MCPs & AI Workflow Automation • (~400 MCP servers for AI agents) • AI Automati | 24,304 | Claude Code, Codex, OpenCode | 22 | 9,534 tok |
| modelcontextprotocol/python-sdk py.sdk.modelcontextprotocol.io The official Python SDK for Model Context Protocol servers and clients | 24,218 | Claude Code, Codex, OpenCode | 4 | 2,212 tok |
| tursodatabase/turso A SQL database in Rust: SQLite-compatible, now also speaking Postgres (experimental). The | 24,185 | Claude Code, Codex, OpenCode | 15 | 2,197 tok |
| agentsmd/agents.md agents.md AGENTS.md — a simple, open format for guiding coding agents | 24,181 | Codex, OpenCode | 1 | 441 tok |
| browserbase/stagehand stagehand.dev The SDK For Browser Agents | 24,152 | Codex, OpenCode | 1 | 160 tok |
| nocobase/nocobase nocobase.com NocoBase is an open-source AI + no-code platform for building business systems fast. Inste | 24,077 | Claude Code, Codex, OpenCode | 2 | 1,116 tok |
| processing/p5.js p5js.org p5.js is a client-side JS platform that empowers artists, designers, students, and anyone | 23,954 | Codex, OpenCode | 1 | 4,651 tok |
| SuperClaude-Org/SuperClaude_Framework superclaude.netlify.app A configuration framework that enhances Claude Code with specialized commands, cognitive p | 23,871 | Claude Code, Codex, OpenCode | 4 | 3,795 tok |
| facebook/lexical lexical.dev Lexical is an extensible text editor framework that provides excellent reliability, access | 23,837 | Claude Code, Codex, OpenCode | 3 | 4,620 tok |
| kriasoft/react-starter-kit reactstarter.com Modern React starter kit with Bun, TypeScript, Tailwind CSS, tRPC, Stripe, and Cloudflare | 23,673 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 1,405 tok |
| slopus/happy happy.engineering Mobile and Web client for Codex and Claude Code, with realtime voice, encryption and fully | 23,673 | Claude Code, Codex, OpenCode | 12 | 82 tok |
| JanDeDobbeleer/oh-my-posh ohmyposh.dev The most customisable and low-latency cross platform/shell prompt renderer | 23,423 | Codex, GitHub Copilot, OpenCode | 5 | 2,155 tok |
| coleam00/Archon archon.diy The first open-source harness builder for AI coding. Make AI coding deterministic and repe | 23,394 | Claude Code, Codex, OpenCode | 45 | 3,438 tok |
| different-ai/openwork openworklabs.com The open-source alternative to Claude Cowork (powered by opencode) | 23,375 | Claude Code, Codex, OpenCode | 20 | 1,151 tok |
| dotnet/maui dot.net .NET MAUI is the .NET Multi-platform App UI, a framework for building native device applic | 23,319 | Claude Code, Codex, GitHub Copilot | 50 | 34,574 tok |
| micro/go-micro go-micro.dev A Go agent harness and service framework | 23,057 | Claude Code, Codex, OpenCode | 2 | 2,557 tok |
| vectorize-io/hindsight hindsight.vectorize.io Hindsight: Agent Memory That Learns | 22,964 | Claude Code, Codex, OpenCode | 4 | 4,883 tok |
| 2025Emma/vibe-coding-cn | 22,946 | Codex, OpenCode | 1 | 3,650 tok |
| Skyvern-AI/skyvern skyvern.com Automate browser based workflows with AI | 22,941 | Claude Code, Codex, OpenCode | 3 | 1,555 tok |
| czlonkowski/n8n-mcp n8n-mcp.com A MCP for Claude Desktop / Claude Code / Windsurf / Cursor to build n8n workflows for you | 22,843 | Claude Code, Codex, OpenCode | 10 | 2,869 tok |
| forem/forem forem.com For empowering community 🌱 | 22,775 | Claude Code, Codex, GitHub Copilot, Cursor, OpenCode | 4 | 3,983 tok |
| marimo-team/marimo marimo.io A reactive notebook for Python — run reproducible experiments, query with SQL, execute as | 22,678 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 740 tok |
| oxc-project/oxc oxc.rs ⚓ A collection of high-performance JavaScript tools. | 22,650 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 3,367 tok |
| NVIDIA/NemoClaw docs.nvidia.com Run agents like Hermes, LangChain Deep Agents, and OpenClaw more securely inside NVIDIA Op | 22,393 | Claude Code, Codex, OpenCode | 31 | 4,217 tok |
| claude-code-best/claude-code ccb.agent-aura.top A genuine Claude Code-compatible, buildable, and debuggable version; production-grade engi | 22,389 | Claude Code, Codex, OpenCode | 5 | 14,205 tok |
| trycua/cua cua.ai Scale computer-use 2.0 with open-source drivers, cross-OS fleets, and benchmarks for train | 22,280 | Claude Code, Codex, OpenCode | 3 | 2,177 tok |
| magicuidesign/magicui magicui.design UI Library for Design Engineers. Animated components and effects you can copy and paste in | 22,181 | Codex, OpenCode | 1 | 3,445 tok |
| alibaba/open-code-review open-codereview.ai Fast, efficient, battle-tested at Alibaba's scale. Hybrid architecture code review tool: d | 22,013 | Claude Code, Codex, OpenCode | 2 | 790 tok |
| pascalorg/editor editor.pascal.app Create and share 3D architectural projects. | 21,987 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 8 | 888 tok |
| pingdotgg/t3code t3.codes | 21,874 | Claude Code, Codex, OpenCode | 6 | 3,461 tok |
| comet-ml/opik comet.com Debug, evaluate, and monitor your LLM applications, RAG systems, and agentic workflows wit | 21,843 | Claude Code, Codex, GitHub Copilot, OpenCode | 29 | 14,869 tok |
| snarktank/ralph x.com Ralph is an autonomous AI agent loop that runs repeatedly until all PRD items are complete | 21,723 | Claude Code, Codex, OpenCode | 2 | 1,238 tok |
| gitbutlerapp/gitbutler gitbutler.com The GitButler version control client, backed by Git, powered by Tauri/Rust/Svelte | 21,621 | Claude Code, Codex, GitHub Copilot, OpenCode | 6 | 2,928 tok |
| ColorlibHQ/gentelella gentelella.colorlib.com Free admin dashboard template — vanilla JS, SCSS, Vite 8. No Bootstrap, no jQuery. | 21,506 | Claude Code, Codex, GitHub Copilot, OpenCode | 4 | 8,085 tok |
| screenpipe/screenpipe screenpipe.com YC (S26) | Open Computer History | Record your screen continuously locally and provide con | 21,452 | Claude Code, Codex, OpenCode | 9 | 1,318 tok |
| google/adk-python google.github.io An open-source, code-first Python toolkit for building, evaluating, and deploying sophisti | 21,434 | Codex, OpenCode | 1 | 322 tok |
| dyad-sh/dyad dyad.sh Local, open-source AI app builder for power users ✨ v0 / Lovable / Replit / Bolt alternati | 21,387 | Claude Code, Codex, GitHub Copilot, OpenCode | 29 | 4,293 tok |
| steipete/CodexBar codex.bar Show usage stats for OpenAI Codex and Claude Code, without having to login. | 21,024 | Claude Code, Codex, OpenCode | 5 | 1,512 tok |
| apache/shardingsphere Empowering Data Intelligence with Distributed SQL for Sharding, Scalability, and Security | 20,796 | Claude Code, Codex, OpenCode | 7 | 4,969 tok |
| agarrharr/awesome-cli-apps 🖥 📊 🕹 🛠 A curated list of command line apps | 20,342 | Codex, OpenCode | 1 | 45 tok |