8,442 projects whose own agent configuration covers building agents. These are not mods to install — they are how the maintainers of these repositories tell an agent what to do, and what to avoid.
All projects Claude Code6,875Data and AI3,584Git and workflow3,574Backend and APIs3,550Languages3,468Planning3,315Code review2,876Testing2,653DevOps and cloud2,462Writing and docs2,461Memory and context2,373Research2,315
Any agent Claude CodeCodexOpenCodeGitHub CopilotGemini CLICursorWindsurfKiro
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| coleam00/Archon archon.diy The first open-source harness builder for AI coding. Make AI coding deterministic and repe | 23,835 | Claude Code, Codex, GitHub Copilot, OpenCode | 55 | 3,724 tok |
| czlonkowski/n8n-mcp n8n-mcp.com A MCP for Claude Desktop / Claude Code / Windsurf / Cursor to build n8n workflows for you | 23,219 | Claude Code, Codex, OpenCode | 10 | 2,869 tok |
| claude-code-best/claude-code ccb.agent-aura.top A genuine Claude Code-compatible, buildable, and debuggable version; production-grade engi | 23,197 | Claude Code, Codex, OpenCode | 5 | 14,205 tok |
| screenpipe/screenpipe screenpipe.com YC (S26) | Open Computer History | Continuously record your company computer work, map you | 22,242 | Claude Code, Codex, OpenCode | 9 | 1,442 tok |
| snarktank/ralph x.com Ralph is an autonomous AI agent loop that runs repeatedly until all PRD items are complete | 22,121 | Claude Code, Codex, OpenCode | 2 | 1,238 tok |
| NirDiamant/agents-towards-production diamant-ai.com End-to-end, code-first tutorials for building production-grade GenAI agents. From prototyp | 21,825 | Codex, OpenCode | 1 | 830 tok |
| 1jehuang/jcode jcode.sh High performance coding agent harness written in Rust, built for heavy multi-agent dev wor | 21,528 | Claude Code, Codex, OpenCode | 2 | 1,278 tok |
| elizaOS/eliza elizaresearch.ai Open source agentic operating system | 19,774 | Codex, OpenCode | 1 | 982 tok |
| anthropics/claude-quickstarts A collection of projects designed to help developers quickly get started with building dep | 19,117 | Claude Code | 2 | 820 tok |
| browser-use/browser-harness browser-harness.com Let Claude Code, Codex or Cursor use your real Chrome, logged in as you. One prompt to set | 18,888 | Codex, OpenCode | 1 | 506 tok |
| nukeop/nuclear nuclearplayer.com Streaming music player that finds free music for you | 18,876 | Claude Code, Codex, GitHub Copilot, OpenCode | 7 | 4,608 tok |
| gastownhall/gastown Gas Town - multi-agent workspace manager | 18,711 | Claude Code, Codex, Cursor, OpenCode | 8 | 1,529 tok |
| kitao/pyxel A retro game engine for Python | 18,525 | Codex, OpenCode | 1 | 65 tok |
| emcie-co/parlant parlant.io Parlant is an open platform for building customer-facing chat agents with AI. Describe how | 18,324 | Codex, OpenCode | 1 | 986 tok |
| microsoft/data-formulator data-formulator.ai 🪄 Data Formulator is an interactive AI-powered data analysis system makes it easy to conn | 17,666 | Claude Code, GitHub Copilot, Cursor | 5 | 122 tok |
| leon-ai/leon getleon.ai 🧠 Leon is your open-source personal assistant. | 17,646 | Claude Code, Codex, OpenCode | 2 | 2,307 tok |
| dagster-io/dagster dagster.io An orchestration platform for the development, production, and observation of data assets. | 16,373 | Claude Code | 15 | 1,210 tok |
| GreyDGL/PentestGPT Automated Penetration Testing Agentic Framework Powered by Large Language Models | 16,287 | Claude Code, Codex | 18 | 780 tok |
| HKUDS/OpenHarness "OpenHarness: Open Agent Harness with a Built-in Personal Agent--Ohmo!" | 16,167 | Claude Code | 2 | — |
| yusufkaraaslan/Skill_Seekers skillseekersweb.com Convert documentation websites, GitHub repositories, and PDFs into Claude AI skills with a | 15,283 | Claude Code, Codex, OpenCode | 2 | 9,413 tok |
| mindfold-ai/Trellis docs.trytrellis.app The best agent harness. | 15,098 | Claude Code, Codex, Cursor, OpenCode | 41 | 2,163 tok |
| experientiallabs/experiential experientiallabs.ai Experiential is the open source, zero markup gateway for BYOK, self-hosted and 1000+ marke | 14,970 | Claude Code, Codex, OpenCode | 2 | 7,600 tok |
| apify/apify-mcp-server mcp.apify.com The Apify MCP server enables your AI agents to extract data from social media, search engi | 14,943 | Claude Code, Codex, OpenCode | 6 | 2,628 tok |
| analysis-tools-dev/static-analysis analysis-tools.dev ⚙️ A curated list of static analysis (SAST) tools and linters for all programming language | 14,874 | Claude Code, Codex, GitHub Copilot, Cursor, OpenCode, Windsurf | 5 | 515 tok |
| fathah/hermes-desktop hermesone.org Desktop Companion for Hermes Agent | 14,536 | Claude Code, Codex, OpenCode | 9 | 2,500 tok |
| Orchestra-Research/AI-Research-SKILLs orchestra-research.com Comprehensive open-source library of AI research and engineering skills for any AI model. | 14,297 | Claude Code | 1 | 3,596 tok |
| coleam00/context-engineering-intro Context engineering is the new vibe coding - it's the way to actually make AI coding assis | 13,901 | Claude Code | 3 | 693 tok |
| OpenByteInc/QuantDinger ai.quantdinger.com Open-source AI Trading OS, agent trading, and vibe trading, with Jev System One integratio | 13,551 | Claude Code, Codex, OpenCode | 2 | 776 tok |
| NangoHQ/nango nango.dev Connect your agents & product to 1,000 APIs. | 13,130 | Claude Code, Codex, OpenCode | 13 | 681 tok |
| Piebald-AI/claude-code-system-prompts All parts of Claude Code's system prompt, 27 builtin tool descriptions, sub agent prompts | 13,091 | Claude Code | 1 | 362 tok |
| The-Pocket/PocketFlow-Tutorial-Codebase-Knowledge code2tutorial.com Pocket Flow: Codebase to Tutorial | 12,741 | Cursor | 1 | — |
| laradock/laradock laradock.io Full PHP development environment for Docker. Run Laravel, Symfony, CodeIgniter, Phalcon, W | 12,682 | Claude Code, Codex, GitHub Copilot, Cursor, Gemini CLI, OpenCode, Windsurf | 6 | 584 tok |
| infracost/infracost infracost.io Cloud cost intelligence for engineers, AI coding agents, and CI/CD 💰📉 Shift FinOps Left! | 12,610 | Claude Code, Codex, OpenCode | 2 | 501 tok |
| NVIDIA/cosmos nvidia.com NVIDIA Cosmos is an open platform of world models, datasets, and tools that enables develo | 12,292 | Codex, OpenCode | 1 | 356 tok |
| Jeffallan/claude-skills 67 Specialized Skills for Full-Stack Developers. Transform Claude Code into your expert pa | 12,238 | Claude Code | 1 | 3,410 tok |
| meshery/meshery meshery.io Meshery, the cloud native manager | 12,134 | Claude Code, Codex, GitHub Copilot, OpenCode | 27 | 8,494 tok |
| zubair-trabzada/geo-seo-claude skool.com GEO-first SEO skill for Claude Code. Comprehensive AI search optimization for any website | 11,538 | Claude Code | 1 | 1,550 tok |
| omnigent-ai/omnigent omnigent.ai Omnigent is an open-source AI agent framework and meta-harness: orchestrate Claude Code, C | 11,240 | Claude Code, Codex, GitHub Copilot, OpenCode | 13 | 3,434 tok |
| aden-hive/hive Multi-Agent Harness for Production AI | 11,140 | Claude Code, Codex, OpenCode | 2 | 507 tok |
| VoltAgent/voltagent voltagent.dev AI Agent Engineering Platform built on an Open Source TypeScript AI Agent Framework | 10,923 | Claude Code, Codex, OpenCode | 2 | 340 tok |
| numman-ali/openskills Universal skills loader for AI coding agents - npm i -g openskills | 10,823 | Claude Code, Codex, OpenCode | 2 | 301 tok |
| zhu1090093659/dsh-web dsh-market.com DeepSeek Harness (DSH) Web Plugin Aggregation Ecosystem · Everything is a plugin, distribu | 10,120 | Claude Code, Codex, OpenCode | 8 | 3,817 tok |
| companion-inc/feynman feynman.is The open source AI research agent. | 10,049 | Claude Code, Codex, OpenCode | 2 | 1,613 tok |
| diet103/claude-code-infrastructure-showcase Examples of my Claude Code infrastructure with skill auto-activation, hooks, and agents | 10,046 | Claude Code, Codex | 23 | — |
| GetBindu/Bindu docs.getbindu.com Bindu: The identity, communication, and payments layer for AI agents. | 10,006 | Claude Code, Codex, GitHub Copilot, OpenCode | 9 | 7,026 tok |
| anthropics/claude-for-legal A suite of plugins for legal workflows | 9,907 | Claude Code | 1 | 1,479 tok |
| anthropics/claude-code-action | 9,798 | Claude Code | 11 | 1,339 tok |
| frankbria/ralph-claude-code Autonomous AI development loop for Claude Code with intelligent exit detection | 9,719 | Claude Code | 1 | 11,028 tok |
| pacifio/atlas tryatlas.cc Source control for agents. Use multiple coding agents, track their changes and query them | 9,458 | Claude Code, Codex, OpenCode | 2 | 4,333 tok |
| jasontang-ai/Context-Engineering deepwiki.com "Context engineering is the delicate art and science of filling the context window with ju | 9,274 | Claude Code, Gemini CLI | 19 | 9,479 tok |