23,614 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 agents8,442Claude Code6,875Data and AI3,584Git and workflow3,574Backend and APIs3,550Languages3,468Planning3,315Code review2,876Testing2,653DevOps and cloud2,462Writing and docs2,461Memory and context2,373Research2,315Frontend2,301Security2,167Project management1,944
All Claude Code32,436 Codex24,692 OpenCode23,614 GitHub Copilot3,700 Gemini CLI2,016 Cursor1,769 Windsurf202 Kiro113
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| microsoft/mcp-for-beginners This open-source curriculum introduces the fundamentals of Model Context Protocol (MCP) th | 17,609 | Codex, OpenCode | 1 | 3,209 tok |
| semgrep/semgrep semgrep.dev Lightweight static analysis for many languages. Find bug variants with patterns that look | 17,493 | Claude Code, Codex, OpenCode | 2 | 2,125 tok |
| architecture-decision-record/architecture-decision-record Architecture decision record (ADR) examples for software planning, IT leadership, and temp | 17,407 | Codex, OpenCode | 1 | 728 tok |
| apache/apisix apisix.apache.org The Cloud-Native API Gateway and AI Gateway | 17,297 | Codex, OpenCode | 1 | 354 tok |
| coder/coder coder.com Secure environments for developers and their agents | 17,290 | Claude Code, Codex, Cursor, OpenCode | 16 | 1,968 tok |
| ipfs/kubo docs.ipfs.tech IPFS implementation in Go: a daemon that stores and serves content-addressed data, with a | 17,175 | Codex, OpenCode | 1 | 7,449 tok |
| pipecat-ai/pipecat pipecat.ai Open Source framework for voice agents, multimodal apps, and realtime AI. Maintained by Da | 17,082 | Claude Code, Codex, OpenCode | 15 | 5,856 tok |
| ag-ui-protocol/ag-ui ag-ui.com AG-UI: the Agent-User Interaction Protocol. Bring Agents into Frontend Applications. | 17,038 | Claude Code, Codex, OpenCode | 16 | 1,403 tok |
| xbtlin/ai-berkshire xbtlin.github.io Berkshire in the AI era: a value investing research framework built for Claude Code / Code | 17,025 | Claude Code, Codex, OpenCode | 2 | 2,590 tok |
| googleapis/mcp-toolbox mcp-toolbox.dev MCP Toolbox for Databases is an open source MCP server for databases. | 16,814 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 4,028 tok |
| MODSetter/SurfSense surfsense.com Air-gapped, privacy-focused, open-source NotebookLM alternative. AI agent that researches, | 16,789 | Claude Code, Codex, OpenCode | 11 | 2,352 tok |
| Arindam200/awesome-ai-apps studio1hq.com A collection of projects showcasing RAG, agents, workflows, and other AI use cases | 16,722 | Claude Code, Codex, GitHub Copilot, OpenCode | 4 | 3,496 tok |
| triggerdotdev/trigger.dev trigger.dev Trigger.dev – build and deploy durable AI agents and workflows | 16,720 | Claude Code, Codex, GitHub Copilot, Cursor, OpenCode | 10 | 3,720 tok |
| FlashML-org/FreeToken FreeToken brings datacenter-scale model serving to your desktop. Run massive models locall | 16,715 | Claude Code, Codex, OpenCode | 2 | 1,355 tok |
| umijs/qiankun qiankun.umijs.org 📦 🚀 Blazing fast, simple and complete solution for micro frontends. | 16,704 | Claude Code, Codex, OpenCode | 3 | 3,063 tok |
| udecode/plate platejs.org Rich-text editor with AI and shadcn/ui | 16,690 | Claude Code, Codex, GitHub Copilot, OpenCode | 45 | 10,760 tok |
| vercel/vercel vercel.com Develop. Preview. Ship. | 16,534 | Codex, OpenCode | 1 | 1,585 tok |
| FreshRSS/FreshRSS freshrss.org A free, self-hostable news aggregator… | 16,515 | Claude Code, Codex, GitHub Copilot, OpenCode | 9 | 2,277 tok |
| opensandbox-group/OpenSandbox open-sandbox.ai Secure, Fast, and Extensible Sandbox runtime for AI agents. | 16,463 | Claude Code, Codex, OpenCode | 3 | 1,966 tok |
| scalar/scalar scalar.com Scalar is an open-source API platform: 🌐 Modern REST API Client 📖 Beautiful API Referenc | 16,381 | Claude Code, Codex, OpenCode | 10 | 6,314 tok |
| mobile-dev-inc/Maestro maestro.dev Painless E2E Automation for Mobile and Web | 16,339 | Claude Code, Codex, OpenCode | 6 | 3,796 tok |
| alshedivat/al-folio alshedivat.github.io A beautiful, simple, clean, and responsive Jekyll theme for academics | 16,309 | Claude Code, Codex, GitHub Copilot, OpenCode | 12 | 3,826 tok |
| chenhg5/cc-connect Bridge local AI coding agents (Claude Code, Cursor, Gemini CLI, Codex) to messaging platfo | 16,255 | Claude Code, Codex, OpenCode | 2 | 5,282 tok |
| AgriciDaniel/claude-obsidian Self-organizing AI second brain for Obsidian + Claude Code. Drop any source and Claude rea | 16,203 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 3 | 1,529 tok |
| Kanaries/pygwalker kanaries.net PyGWalker: Turn your dataframe into an interactive UI for visual analysis | 16,003 | Claude Code, Codex, OpenCode | 2 | 3,355 tok |
| YishenTu/claudian An Obsidian plugin that embeds Claude Code, Codex and other agents as an AI collaborator i | 15,915 | Codex, OpenCode | 1 | 931 tok |
| spree/spree spreecommerce.org Open Source Platform for DTC, B2B Commerce, Marketplaces & Omnichannel. REST APIs, TypeScr | 15,811 | Claude Code, Codex, OpenCode | 5 | 2,094 tok |
| superset-sh/superset superset.sh Paradev (formerly Superset) is an agentic IDE to orchestrate 100+ coding agents in paralle | 15,800 | Claude Code, Codex, GitHub Copilot, OpenCode | 31 | 3,629 tok |
| eigent-ai/eigent eigent.ai Eigent: The Open Source Cowork Desktop - Local and Free Alternative to Claude Cowork and C | 15,751 | Codex, OpenCode | 1 | 608 tok |
| open-metadata/OpenMetadata open-metadata.org The Open Context Layer for Data and AI , OpenMetadata is the open platform for building t | 15,691 | Claude Code, Codex, GitHub Copilot, OpenCode | 6 | 4,174 tok |
| yc-software/qm x.com Multiplayer agent harness for work. | 15,646 | Claude Code, Codex, OpenCode | 7 | 2,592 tok |
| apache/pulsar pulsar.apache.org Apache Pulsar - distributed pub-sub messaging system | 15,356 | Claude Code, Codex, GitHub Copilot, OpenCode | 5 | 1,871 tok |
| theonedev/onedev onedev.io The Unified and Autonomous Development Platform | 15,343 | Codex, OpenCode | 1 | 565 tok |
| NanmiCoder/cc-haha cchaha.ai Local-first cross-platform Claude Code / AI Agent desktop workspace: multi-agent collabora | 15,320 | Codex, GitHub Copilot, OpenCode | 2 | 1,713 tok |
| 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 |
| akitaonrails/ai-memory Solution for long term memory for agent coding CLIs and to facilitate handoff between diff | 15,226 | Claude Code, Codex, OpenCode | 2 | 13,802 tok |
| alexta69/metube Self-hosted video downloader for YouTube and other sites (web UI for yt-dlp) | 15,198 | Codex, OpenCode | 1 | 2,253 tok |
| prowler-cloud/prowler prowler.com This repo hosts Prowler OSS (CLI and Local Server). Prowler is the world’s most widely use | 15,179 | Claude Code, Codex, OpenCode | 2 | 2,957 tok |
| millionco/react-doctor react.doctor Your agent writes bad React. This catches it | 15,101 | Claude Code, Codex, Cursor, OpenCode | 15 | 6,971 tok |
| mindfold-ai/Trellis docs.trytrellis.app The best agent harness. | 15,098 | Claude Code, Codex, Cursor, OpenCode | 41 | 2,163 tok |
| The-PR-Agent/pr-agent pr-agent.ai 🚀 PR Agent: The Original Open-Source PR Reviewer. This project is not the Qodo free tier. | 15,098 | Codex, OpenCode | 1 | 3,346 tok |
| NVIDIA/TensorRT-LLM nvidia.github.io TensorRT LLM provides users with an easy-to-use Python API to define Large Language Models | 15,021 | Claude Code, Codex, OpenCode | 46 | 3,656 tok |
| alibaba/hooks ahooks.js.org A high-quality & reliable React Hooks library. https://alibaba.github.io/hooks/ | 14,975 | Claude Code, Codex, OpenCode | 2 | 1,015 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 |
| e2b-dev/E2B docs.e2b.dev Open-source, secure environment with real-world tools for enterprise-grade agents. | 14,730 | Claude Code, Codex, OpenCode | 2 | 379 tok |
| palmier-io/palmier-pro palmier.io macOS video editor built for AI | 14,691 | Claude Code, Codex, OpenCode | 2 | 6,685 tok |
| NevaMind-AI/memU memu.pro Personal memory across agents | 14,604 | Codex, OpenCode | 1 | 800 tok |
| fathah/hermes-desktop hermesone.org Desktop Companion for Hermes Agent | 14,536 | Claude Code, Codex, OpenCode | 9 | 2,500 tok |