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 |
|---|---|---|---|---|
| google-research/timesfm research.google TimesFM (Time Series Foundation Model) is a pretrained time-series foundation model develo | 31,693 | Codex, OpenCode | 1 | 221 tok |
| tirth8205/code-review-graph code-review-graph.com Local-first code intelligence graph for MCP and CLI. Builds a persistent map of your codeb | 31,230 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 4 | 5,020 tok |
| vercel/turborepo turborepo.dev Build system optimized for JavaScript and TypeScript, written in Rust | 31,062 | Codex, OpenCode | 1 | 1,238 tok |
| vercel-labs/agent-skills skills.sh Vercel's official collection of agent skills | 30,915 | Claude Code, Codex, OpenCode | 2 | 771 tok |
| googleworkspace/cli developers.google.com Google Workspace CLI — one command-line tool for Drive, Gmail, Calendar, Sheets, Docs, Cha | 30,765 | Claude Code, Codex, OpenCode | 3 | 2,720 tok |
| nanocoai/nanoclaw nanoclaw.dev A lightweight alternative to OpenClaw that runs in containers for security. Connects to Wh | 30,711 | Claude Code, Codex, OpenCode | 3 | 7,214 tok |
| 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) | 30,591 | 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 | 30,542 | Claude Code, Codex, OpenCode | 9 | 14,146 tok |
| vercel-labs/skills skills.sh The open agent skills tool - npx skills | 30,539 | 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. | 30,354 | Codex, OpenCode | 1 | 780 tok |
| ComposioHQ/composio docs.composio.dev Composio powers 1000+ toolkits, tool search, context management, authentication, and a san | 30,084 | Claude Code, Codex, OpenCode | 2 | 1,187 tok |
| can1357/oh-my-pi omp.sh ⌥ Coding agent with the IDE wired in | 29,882 | Codex, OpenCode | 1 | 6,302 tok |
| 78/xiaozhi-esp32 xiaozhi.me An MCP-based chatbot | 29,668 | Codex, OpenCode | 1 | 1,079 tok |
| garrytan/gbrain Garry's Opinionated OpenClaw/Hermes Agent Brain | 29,668 | 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 | 29,592 | 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 | 29,466 | 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 | 29,317 | Claude Code, Codex, Cursor, Gemini CLI, OpenCode | 41 | 4,283 tok |
| chroma-core/chroma trychroma.com Search infrastructure for AI | 29,240 | Claude Code, Codex, OpenCode | 3 | 569 tok |
| openai/openai-agents-python openai.github.io A lightweight, powerful framework for multi-agent workflows | 29,235 | Claude Code, Codex, OpenCode | 16 | 8,009 tok |
| huggingface/smolagents huggingface.co 🤗 smolagents: a barebones library for agents that think in code. | 29,206 | Codex, OpenCode | 1 | 32 tok |
| langchain-ai/deepagents docs.langchain.com The batteries-included agent harness. | 29,076 | 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. | 29,000 | 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 | 28,916 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 156 tok |
| virgiliojr94/book-to-skill Turn any technical book PDF into a Claude Code skill — ready to study, reference, and use | 28,851 | Claude Code, Codex, OpenCode | 2 | 1,099 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 |
| TanStack/table tanstack.com 🤖 Headless UI for building powerful tables & datagrids for TS/JS - React-Table, Vue-Tabl | 28,412 | Codex, OpenCode | 1 | 354 tok |
| yamadashy/repomix repomix.com 📦 Repomix is a powerful tool that packs your entire repository into a single, AI-friendly | 28,225 | Claude Code, Codex, GitHub Copilot, OpenCode | 5 | 52 tok |
| rohitg00/agentmemory agent-memory.dev #1 Persistent memory for AI coding agents based on real-world benchmarks | 28,106 | Claude Code, Codex, OpenCode | 1 | 1,546 tok |
| OtterMind/Chat2DB chat2db.ai Chat2DB is a free, cross-platform, local-first database client and SQL workspace for devel | 28,086 | Codex, OpenCode | 1 | 4,057 tok |
| BloopAI/vibe-kanban vibekanban.com Get 10X more out of Claude Code, Codex or any coding agent | 28,030 | Claude Code, Codex, OpenCode | 2 | 1,008 tok |
| kestra-io/kestra go.kestra.io Event Driven Orchestration & Scheduling Platform for Mission Critical Applications | 28,008 | Claude Code, Codex, OpenCode | 2 | 6,951 tok |
| charmbracelet/crush Glamourous agentic coding for all 💘 | 27,938 | 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 | 27,837 | Claude Code, Codex, GitHub Copilot, OpenCode | 11 | 2,333 tok |
| google-labs-code/design.md stitch.withgoogle.com A format specification for describing a visual identity to coding agents. DESIGN.md gives | 27,753 | Claude Code, Codex | 4 | — |
| mastra-ai/mastra mastra.ai Mastra is the modern TypeScript framework for AI-powered applications and agents. | 27,747 | Claude Code, Codex, OpenCode | 35 | 416 tok |
| QwenLM/qwen-code qwenlm.github.io An open-source AI coding agent that lives in your terminal. | 27,688 | Claude Code, Codex, OpenCode | 2 | 3,697 tok |
| virattt/dexter An autonomous agent for deep financial research | 27,585 | 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. | 27,542 | Claude Code, Codex, GitHub Copilot, OpenCode | 11 | 4,821 tok |
| ayghri/i-have-adhd A skill to stop your coding agent from burying the answer. ADHD-friendly output. | 27,459 | Claude Code, Codex, Gemini CLI, OpenCode | 2 | 1,240 tok |
| Wox-launcher/Wox woxlauncher.com A cross-platform launcher that simply works | 27,323 | Claude Code, Codex, OpenCode | 11 | 1,371 tok |
| Kilo-Org/kilocode kilo.ai Kilo is the all-in-one agentic engineering platform. Build, ship, and iterate faster with | 27,204 | Claude Code, Codex, OpenCode | 12 | 4,334 tok |
| openai/symphony openai.com Symphony turns project work into isolated, autonomous implementation runs, allowing teams | 27,050 | Codex | 7 | — |
| gastownhall/beads beads.gascity.com Beads - A memory upgrade for your coding agent | 26,953 | 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 | 26,850 | 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 | 26,680 | 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 | 26,615 | 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 | 26,435 | Claude Code, Codex, OpenCode | 2 | 438 tok |