21,846 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 agents7,412Data and AI4,299Backend and APIs3,694Languages3,682Planning3,492Git and workflow3,285Code review2,942Memory and context2,581Research2,499Writing and docs2,458Testing2,454Frontend2,420DevOps and cloud2,410Security2,106Productivity2,076Project management1,686
All Claude Code31,991 Codex23,077 OpenCode21,846 GitHub Copilot3,491 Gemini CLI1,901 Cursor1,721 Kiro33 Windsurf25
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| getzep/graphiti help.getzep.com Build Real-Time Knowledge Graphs for AI Agents | 30,621 | Claude Code, Codex, OpenCode | 2 | 3,395 tok |
| ScrapeGraphAI/Scrapegraph-ai scrapegraphai.com Python scraper based on AI | 30,602 | Codex, OpenCode | 1 | 1,314 tok |
| heroui-inc/heroui heroui.com 🚀 Beautiful, fast and modern React UI library. (Previously NextUI) | 30,577 | Claude Code, Codex, OpenCode | 7 | 10,664 tok |
| topoteretes/cognee cognee.ai Cognee is the open-source AI memory platform for agents. Give your AI agents persistent lo | 30,501 | Claude Code, Codex, OpenCode | 9 | 14,146 tok |
| vercel-labs/skills skills.sh The open agent skills tool - npx skills | 30,480 | Codex, OpenCode | 1 | 1,627 tok |
| BigPizzaV3/CodexPlusPlus codexpp.cc An enhanced tool for CodexApp, striving to make Codex better and more comfortable to use. | 30,270 | Codex, OpenCode | 1 | 780 tok |
| ComposioHQ/composio docs.composio.dev Composio powers 1000+ toolkits, tool search, context management, authentication, and a san | 30,074 | Claude Code, Codex, OpenCode | 2 | 1,187 tok |
| can1357/oh-my-pi omp.sh ⌥ Coding agent with the IDE wired in | 29,719 | Codex, OpenCode | 1 | 6,302 tok |
| 78/xiaozhi-esp32 xiaozhi.me An MCP-based chatbot | 29,645 | Codex, OpenCode | 1 | 1,079 tok |
| garrytan/gbrain Garry's Opinionated OpenClaw/Hermes Agent Brain | 29,629 | Claude Code, Codex, OpenCode | 2 | 17,536 tok |
| labring/FastGPT fastgpt.io FastGPT is a knowledge-based platform built on the LLMs, offers a comprehensive suite of o | 29,583 | Claude Code, Codex, OpenCode | 12 | 2,651 tok |
| wilsonfreitas/awesome-quant wilsonfreitas.github.io A curated list of insanely awesome libraries, packages and resources for Quants (Quantitat | 29,448 | Claude Code, Codex, OpenCode | 2 | 2,667 tok |
| nrwl/nx nx.dev The Monorepo Platform that amplifies both developers and AI agents. Nx optimizes your buil | 29,310 | Claude Code, Codex, Cursor, Gemini CLI, OpenCode | 41 | 4,283 tok |
| chroma-core/chroma trychroma.com Search infrastructure for AI | 29,236 | Claude Code, Codex, OpenCode | 3 | 569 tok |
| openai/openai-agents-python openai.github.io A lightweight, powerful framework for multi-agent workflows | 29,214 | Claude Code, Codex, OpenCode | 16 | 8,009 tok |
| huggingface/smolagents huggingface.co 🤗 smolagents: a barebones library for agents that think in code. | 29,177 | Codex, OpenCode | 1 | 32 tok |
| langchain-ai/deepagents docs.langchain.com The batteries-included agent harness. | 29,040 | Claude Code, Codex, OpenCode | 2 | 2,268 tok |
| alibaba/page-agent alibaba.github.io JavaScript in-page GUI agent. Control web interfaces with natural language. | 28,999 | Claude Code, Codex, OpenCode | 7 | 1,608 tok |
| oraios/serena oraios.github.io A powerful MCP toolkit for coding, providing semantic retrieval and editing capabilities | 28,883 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 156 tok |
| karakeep-app/karakeep karakeep.app A self-hostable bookmark-everything app (links, notes and images) with AI-based automatic | 28,846 | Claude Code, Codex, Gemini CLI, OpenCode | 4 | 700 tok |
| virgiliojr94/book-to-skill Turn any technical book PDF into a Claude Code skill — ready to study, reference, and use | 28,707 | Claude Code, Codex, OpenCode | 2 | 1,099 tok |
| TanStack/table tanstack.com 🤖 Headless UI for building powerful tables & datagrids for TS/JS - React-Table, Vue-Tabl | 28,410 | Codex, OpenCode | 1 | 354 tok |
| yamadashy/repomix repomix.com 📦 Repomix is a powerful tool that packs your entire repository into a single, AI-friendly | 28,214 | Claude Code, Codex, GitHub Copilot, OpenCode | 5 | 52 tok |
| OtterMind/Chat2DB chat2db.ai Chat2DB is a free, cross-platform, local-first database client and SQL workspace for devel | 28,080 | Codex, OpenCode | 1 | 4,057 tok |
| rohitg00/agentmemory agent-memory.dev #1 Persistent memory for AI coding agents based on real-world benchmarks | 28,070 | Claude Code, Codex, OpenCode | 1 | 1,546 tok |
| BloopAI/vibe-kanban vibekanban.com Get 10X more out of Claude Code, Codex or any coding agent | 28,021 | Claude Code, Codex, OpenCode | 2 | 1,008 tok |
| kestra-io/kestra go.kestra.io Event Driven Orchestration & Scheduling Platform for Mission Critical Applications | 27,998 | Claude Code, Codex, OpenCode | 2 | 6,951 tok |
| charmbracelet/crush Glamourous agentic coding for all 💘 | 27,927 | Claude Code, Codex, OpenCode | 3 | 2,533 tok |
| mlflow/mlflow mlflow.org The open source AI engineering platform for agents, LLMs, and ML models. MLflow enables te | 27,822 | Claude Code, Codex, GitHub Copilot, OpenCode | 11 | 2,333 tok |
| mastra-ai/mastra mastra.ai Mastra is the modern TypeScript framework for AI-powered applications and agents. | 27,728 | Claude Code, Codex, OpenCode | 35 | 416 tok |
| QwenLM/qwen-code qwenlm.github.io An open-source AI coding agent that lives in your terminal. | 27,673 | Claude Code, Codex, OpenCode | 2 | 3,697 tok |
| virattt/dexter An autonomous agent for deep financial research | 27,582 | Codex, OpenCode | 1 | 1,434 tok |
| recharts/recharts recharts.github.io Redefined chart library built with React and D3 | 27,545 | Claude Code, Codex, OpenCode | 7 | 310 tok |
| PrefectHQ/fastmcp gofastmcp.com 🚀 The fast, Pythonic way to build MCP servers and clients. | 27,538 | Claude Code, Codex, GitHub Copilot, OpenCode | 11 | 4,821 tok |
| Wox-launcher/Wox woxlauncher.com A cross-platform launcher that simply works | 27,323 | Claude Code, Codex, OpenCode | 11 | 1,371 tok |
| ayghri/i-have-adhd A skill to stop your coding agent from burying the answer. ADHD-friendly output. | 27,238 | Claude Code, Codex, Gemini CLI, OpenCode | 2 | 1,240 tok |
| Kilo-Org/kilocode kilo.ai Kilo is the all-in-one agentic engineering platform. Build, ship, and iterate faster with | 27,190 | Claude Code, Codex, OpenCode | 12 | 4,334 tok |
| gastownhall/beads beads.gascity.com Beads - A memory upgrade for your coding agent | 26,934 | Claude Code, Codex, GitHub Copilot, OpenCode | 6 | 4,440 tok |
| manaflow-ai/cmux cmux.com Open source Ghostty-based macOS terminal with vertical tabs and notifications for AI codin | 26,829 | Claude Code, Codex, OpenCode | 8 | 4,119 tok |
| OthmanAdi/planning-with-files skills.sh Persistent file-based planning for AI coding agents and long-running tasks. Crash-proof ma | 26,649 | Claude Code, Codex, OpenCode | 1 | 2,236 tok |
| vercel/ai ai-sdk.dev The AI Toolkit for TypeScript. From the creators of Next.js, the AI SDK is a free open-sou | 26,595 | Claude Code, Codex, OpenCode | 4 | 2,903 tok |
| deepset-ai/haystack haystack.deepset.ai Open-source AI orchestration framework for building context-engineered, production-ready L | 26,428 | Claude Code, Codex, OpenCode | 2 | 438 tok |
| phuryn/pm-skills productcompass.pm PM Skills Marketplace: 100+ agentic skills, commands, and plugins — from discovery to stra | 26,033 | Claude Code, Codex, OpenCode | 2 | 1,910 tok |
| h4ckf0r0day/obscura obscura.sh The headless browser for AI agents and web scraping | 25,902 | Codex, OpenCode | 1 | 2,630 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 |
| agentskills/agentskills agentskills.io Specification and documentation for Agent Skills | 25,070 | Claude Code, Codex, OpenCode | 4 | 373 tok |
| EveryInc/compound-engineering-plugin every.to Official Compound Engineering plugin for Claude Code, Codex, Cursor, and more | 24,865 | 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. | 24,846 | Claude Code, Codex, OpenCode | 8 | 5,280 tok |
| letta-ai/letta docs.letta.com Platform for stateful agents: AI with advanced memory that can learn and self-improve over | 24,626 | 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 |