43,383 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 |
|---|---|---|---|---|
| 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 |
| stefan-jansen/machine-learning-for-trading ml4trading.io Code for Machine Learning for Trading, 3rd edition — from data sourcing to live execution. | 20,810 | GitHub Copilot | 1 | 592 tok |
| apache/shardingsphere Empowering Data Intelligence with Distributed SQL for Sharding, Scalability, and Security | 20,796 | Claude Code, Codex, OpenCode | 7 | 4,969 tok |
| monkeytypegame/monkeytype monkeytype.com The most customizable typing website with a minimalistic design and a ton of features. Tes | 20,656 | Claude Code | 2 | — |
| mksglu/context-mode context-mode.com Context window optimization for AI coding agents. Sandboxes tool output (98% reduction), p | 20,503 | Claude Code | 3 | 1,184 tok |
| agarrharr/awesome-cli-apps 🖥 📊 🕹 🛠 A curated list of command line apps | 20,342 | Codex, OpenCode | 1 | 45 tok |
| kortix-ai/suna kortix.com The open-source AI Management System | 20,178 | Claude Code, Codex, OpenCode | 21 | 7,224 tok |
| debpalash/VoiceStudio voicestudio.sh VoiceStudio is the open-source, fully-local ElevenLabs alternative — voice cloning, voice | 20,054 | Claude Code, Codex, OpenCode | 6 | 5,369 tok |
| Nagi-ovo/voyager voyager.nagi.fun Enhancement suite for Gemini, AI Studio, Claude & ChatGPT — plus a prompt manager for any | 19,953 | Claude Code | 2 | — |
| pydantic/pydantic-ai pydantic.dev How Python does AI. Agents, realtime voice, image generation, embeddings. Every model, eve | 19,757 | Claude Code, Codex, OpenCode | 12 | 3,621 tok |
| refactoringhq/tolaria tolaria.md Desktop app to manage markdown knowledge bases | 19,716 | Claude Code, Codex, Gemini CLI, OpenCode | 6 | 5,624 tok |
| tanweai/pua openpua.ai You are a once-promising P8-level engineer. Anthropic had high expectations when assigning | 19,595 | Claude Code | 3 | — |
| datawhalechina/easy-vibe datawhalechina.github.io 💻 vibe coding 101｜The first course for AI-native product builders. | 19,294 | Claude Code, Codex, OpenCode | 2 | 3,438 tok |
| elizaOS/eliza elizaresearch.ai Open source agentic operating system | 19,275 | Claude Code, Codex, OpenCode | 2 | 11,794 tok |
| 1jehuang/jcode jcode.sh The most RAM efficient harness | 19,249 | Codex, OpenCode | 1 | 633 tok |
| teng-lin/notebooklm-py Unofficial Python API and agentic skill for Google Gemini Notebook. Full programmatic acce | 19,187 | Claude Code, Codex, OpenCode | 2 | 2,673 tok |
| agent0ai/agent-zero agent-zero.ai Agent Zero AI framework | 19,110 | Codex, OpenCode | 1 | 1,325 tok |
| compiler-explorer/compiler-explorer godbolt.org Run compilers interactively from your web browser and interact with the assembly | 19,047 | Claude Code, Codex, GitHub Copilot, OpenCode | 9 | 2,482 tok |
| wasp-lang/wasp wasp.sh The batteries-included full-stack framework for the AI era. Develop JS/TS web apps (React, | 18,725 | Claude Code, Codex, OpenCode | 4 | 1,185 tok |
| iii-hq/iii iii.dev Effortlessly compose, extend, and observe every service in real-time for the first time ev | 18,677 | Codex, OpenCode | 1 | 1,777 tok |
| keploy/keploy keploy.io Open-source platform for creating safe, isolated production sandboxes for API, integration | 18,439 | Claude Code, Codex, OpenCode | 4 | 4,945 tok |
| nukeop/nuclear nuclearplayer.com Streaming music player that finds free music for you | 18,404 | Claude Code, Codex, GitHub Copilot, OpenCode | 6 | 4,563 tok |
| ccusage/ccusage ccusage.com npx ccusage | 18,399 | Claude Code, Codex, OpenCode | 21 | 844 tok |
| emcie-co/parlant parlant.io Build reliable customer-facing AI agents with Parlant: an interaction control harness opti | 18,281 | Claude Code | 1 | 611 tok |
| arc53/DocsGPT app.docsgpt.cloud Private AI platform for agents, assistants and enterprise search. Built-in Agent Builder, | 18,243 | Codex, OpenCode | 1 | 2,202 tok |
| RightNow-AI/openfang openfang.sh Open-source Agent Operating System | 18,167 | Claude Code, Codex, OpenCode | 2 | 1,448 tok |
| nesquena/hermes-webui get-hermes.ai Hermes WebUI: The best way to use Hermes Agent from the web or from your phone! | 18,129 | Codex, OpenCode | 1 | 1,537 tok |
| zhanymkanov/fastapi-best-practices FastAPI Best Practices and Conventions we used at our startup | 18,043 | Codex, OpenCode | 1 | 4,106 tok |
| microsoft/agent-lightning microsoft.github.io The absolute trainer to light up AI agents. | 17,996 | Codex | 1 | — |
| gastownhall/gastown Gas Town - multi-agent workspace manager | 17,950 | Claude Code, Codex, Cursor, OpenCode | 8 | 1,529 tok |
| muratcankoylan/Agent-Skills-for-Context-Engineering A comprehensive collection of Agent Skills for context engineering, multi-agent architectu | 17,932 | Claude Code, Codex, OpenCode | 2 | 3,822 tok |
| windmill-labs/windmill windmill.dev Open-source developer platform to power your entire infra and turn scripts into webhooks, | 17,795 | Claude Code, Codex, OpenCode | 25 | 4,076 tok |
| langbot-app/LangBot langbot.app Production-grade platform for building agentic IM bots - Production-grade multi-platform i | 17,665 | Claude Code, Codex, OpenCode | 2 | 1,193 tok |
| anthropics/claude-quickstarts A collection of projects designed to help developers quickly get started with building dep | 17,620 | Claude Code | 1 | 698 tok |
| itwanger/toBeBetterJavaer javabetter.cn An easy-to-understand, witty, and humorous Java learning guide covering core topics includ | 17,583 | Claude Code, Codex, OpenCode | 15 | 747 tok |
| every-app/open-seo openseo.so Open source alternative to Semrush and Ahrefs | 17,561 | Claude Code, Codex, OpenCode | 22 | 1,300 tok |
| Canner/WrenAI getwren.ai GenBI (Generative BI) for AI agents, an open-source, governed text-to-SQL through an open | 17,517 | Claude Code, Codex, OpenCode | 2 | 123 tok |
| browser-use/browser-harness browser-harness.com Browser Harness | Self-healing harness that enables LLMs to complete any task. | 17,405 | Claude Code, Codex, OpenCode | 2 | 545 tok |
| questdb/questdb questdb.com QuestDB is a high performance, open-source, time-series database | 17,308 | Claude Code | 6 | 4,070 tok |
| genlayerlabs/genlayer-project-boilerplate | 17,301 | Claude Code | 1 | 1,636 tok |
| tradingview/lightweight-charts tradingview.com Performant financial charts built with HTML5 canvas | 17,193 | Claude Code, Codex | 1 | — |
| microsoft/mcp-for-beginners This open-source curriculum introduces the fundamentals of Model Context Protocol (MCP) th | 17,163 | Codex, OpenCode | 1 | 3,238 tok |
| ipfs/kubo docs.ipfs.tech IPFS implementation in Go: a daemon that stores and serves content-addressed data, with a | 17,125 | Codex, OpenCode | 1 | 7,449 tok |