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 |
|---|---|---|---|---|
| yuin/goldmark :trophy: The Golden Swiss Army Knife for markdown processing. 100% CommonMark compliant, A | 5,093 | Claude Code, Codex, OpenCode | 2 | 653 tok |
| mavlink/qgroundcontrol qgroundcontrol.io Cross-platform ground control station for drones (Android, iOS, Mac OS, Linux, Windows) | 5,092 | Claude Code, Codex, GitHub Copilot, OpenCode | 5 | 2,813 tok |
| pomerium/pomerium pomerium.com Pomerium is an identity and context-aware access proxy. | 5,090 | Codex, OpenCode | 1 | 117 tok |
| Expensify/App new.expensify.com Welcome to New Expensify: a complete re-imagination of financial collaboration, centered a | 5,088 | Claude Code, Codex, OpenCode | 18 | 2,106 tok |
| dtyq/magic magicrew.ai Magicrew. The first open-source all-in-one AI productivity platform (Generalist AI Agent + | 5,076 | Codex, OpenCode | 1 | 360 tok |
| ai-boost/awesome-harness-engineering Awesome list for AI agent harness engineering: tools, patterns, evals, memory, MCP, permis | 5,062 | Claude Code, Codex, OpenCode | 2 | 342 tok |
| clidey/whodb whodb.com Where data access meets operational intelligence | 5,050 | Claude Code, Codex, OpenCode | 6 | 3,204 tok |
| ag2ai/ag2 ag2.ai AG2 (formerly AutoGen): The Open-Source AgentOS.Join us at: https://discord.gg/sNGSwQME3x | 5,047 | Codex, OpenCode | 1 | 4,861 tok |
| qixing-jk/all-api-hub all-api-hub.qixing1217.top All-in-one New-API/Sub2API account hub: balance/usage dashboard, auto check-in, one-click | 5,047 | Claude Code, Codex, OpenCode | 6 | 1,273 tok |
| langwatch/langwatch langwatch.ai Open-Source Agent Observability & Evals for AI Platform teams. Trace, test, route and gove | 5,014 | Claude Code, Codex, OpenCode | 4 | 4,841 tok |
| mock-server/mockserver-monorepo mock-server.com MockServer is an HTTP(S) mock server and proxy for testing that lets you mock APIs, inspec | 5,004 | Claude Code, Codex, OpenCode | 61 | 8,586 tok |
| aldinokemal/go-whatsapp-web-multidevice gowa-docs.mintlify.site GOWA - WhatsApp REST API with support for UI, Multi Account, Webhooks, and MCP, and Chatwo | 4,997 | Claude Code, Codex, OpenCode | 3 | 1,341 tok |
| tfutils/tfenv Terraform version manager | 4,991 | Claude Code, Codex, GitHub Copilot, OpenCode | 14 | 4,189 tok |
| WuKongIM/WuKongIM docs.githubim.com More than just IM, not just instant messaging (IM) | 4,990 | Codex, OpenCode | 4 | 3,121 tok |
| OpenBMB/PilotDeck pilotdeck.openbmb.cn Task-oriented AI Agent productivity platform | 4,981 | Codex, OpenCode | 1 | 224 tok |
| darrenhinde/OpenAgentsControl AI agent framework for plan-first development workflows with approval-based execution. Mul | 4,966 | Claude Code, OpenCode | 18 | — |
| campfirein/byterover-cli docs.byterover.dev ByteRover CLI (brv) - The portable memory layer for autonomous coding agents (formerly Ci | 4,944 | Claude Code, Codex, GitHub Copilot, OpenCode | 4 | 12,162 tok |
| zarazhangrui/beautiful-html-templates A library of HTML slide templates designed so any coding agent can pick the right one and | 4,937 | Codex, OpenCode | 1 | 3,106 tok |
| nisrulz/app-privacy-policy-generator app-privacy-policy-generator.nisrulz.com Generate a customized Privacy Policy and Terms of Use document for your mobile apps | 4,936 | Claude Code, Codex, OpenCode | 3 | 2,619 tok |
| withcoral/coral withcoral.com The execution layer for AI agents. Act across more of your systems with precise controls: | 4,935 | Claude Code, Codex, OpenCode | 30 | 4,053 tok |
| omdsh-dev/DSH-better-sidebar An open sidebar foundation supporting third-party extensions to register new sidebar pages | 4,928 | Claude Code, Codex, OpenCode | 2 | 4,075 tok |
| Martian-Engineering/lossless-claw Lossless Claw — LCM (Lossless Context Management) plugin for OpenClaw | 4,919 | Codex, OpenCode | 1 | 909 tok |
| get-bb/bb getbb.app The agent IDE that builds itself | 4,918 | Claude Code, Codex, OpenCode | 2 | 1,620 tok |
| mvanhorn/cli-printing-press Every API has a secret identity. This finds it, absorbs every feature from every competing | 4,911 | Claude Code, Codex, OpenCode | 4 | 12,119 tok |
| nguyenphutrong/quotio quotio.dev Stop juggling AI accounts. Quotio is a beautiful native macOS menu bar app that unifies yo | 4,910 | Codex, OpenCode | 1 | 311 tok |
| dmno-dev/varlock varlock.dev AI-safe .env files: Schemas for agents, Secrets for humans. | 4,909 | Claude Code, Codex, GitHub Copilot, OpenCode | 6 | 2,361 tok |
| Agenta-AI/agenta agenta.ai Agenta is a workspace where you and your team build agents and automations. | 4,887 | Claude Code, Codex, OpenCode | 47 | 2,349 tok |
| nolabs-ai/nono nono.sh agent runtime security - zero trust, zero setup, zero latency agent sandboxing | 4,864 | Claude Code, Codex, OpenCode | 2 | 966 tok |
| walkinglabs/hands-on-modern-rl walkinglabs.github.io 🚀 An open-source, hands-on curriculum bridging the gap from basic RL concepts to LLM alig | 4,863 | Codex, OpenCode | 1 | 1,305 tok |
| VectifyAI/OpenKB pageindex.ai OpenKB: Open LLM Knowledge Base | 4,852 | Claude Code, Codex, OpenCode | 2 | 686 tok |
| rivet-dev/agentos rivet.dev Tiny, fast, Linux-compatible sandboxes. Powered by WebAssembly. | 4,851 | Claude Code, Codex, OpenCode | 7 | 4,201 tok |
| thunderbird/thunderbolt thunderbolt.io AI You Control: Choose your models. Own your data. Eliminate vendor lock-in. | 4,818 | Claude Code, Codex, OpenCode | 22 | 10,373 tok |
| eastlondoner/vibe-tools Give Cursor Agent an AI Team and Advanced Skills | 4,817 | Claude Code, Codex, Cursor, OpenCode | 3 | 9,579 tok |
| kirodotdev/KiroCrew kiro.dev A persistent workspace for development work that self-improves and continues beyond one se | 4,803 | Claude Code, Codex, OpenCode | 2 | 7,755 tok |
| liustack/modlens liustack.dev The first vision plugin for DeepSeek Harness, and the vision bridge for every text-only co | 4,790 | Codex, OpenCode | 1 | 1,760 tok |
| inkeep/open-knowledge openknowledge.ai Beautiful, AI-native markdown IDE and LLM wiki | 4,790 | Codex, OpenCode | 1 | 2,492 tok |
| hao-ai-lab/FastVideo hao-ai-lab.github.io A unified inference and post-training framework for accelerated video generation. | 4,783 | Claude Code, Codex, OpenCode | 8 | 1,460 tok |
| liveblocks/liveblocks liveblocks.io Realtime infrastructure for multiplayer apps and agents | 4,769 | Claude Code, Codex, OpenCode | 3 | 1,748 tok |
| PrimeIntellect-ai/verifiers Our library for RL environments + evals | 4,769 | Codex, OpenCode | 1 | 582 tok |
| IBM/mcp-context-forge ibm.github.io An AI Gateway, registry, and proxy that sits in front of any MCP, A2A, or REST/gRPC APIs, | 4,760 | Claude Code, Codex, OpenCode | 2 | 7,995 tok |
| NateBJones-Projects/OB1 Open Brain — The infrastructure layer for your thinking. One database, one AI gateway, one | 4,758 | Claude Code, Codex, OpenCode | 2 | 2,351 tok |
| ThePrimeagen/99 Neovim AI agent done right | 4,749 | Claude Code, Codex, OpenCode | 5 | 374 tok |
| latitude-dev/latitude-llm latitude.so Open-source observability for AI agents. Find where your agents fail, dispatch your coding | 4,744 | Claude Code, Codex, OpenCode | 31 | 4,071 tok |
| dimensionalOS/dimos dimensional.org Dimensional is the agentic operating system for physical space. Command humanoids, quadrup | 4,717 | Claude Code, Codex, OpenCode | 2 | 4,442 tok |
| amantus-ai/vibetunnel vt.sh Turn any browser into your terminal & command your agents on the go. | 4,705 | Claude Code, Codex, Gemini CLI, OpenCode | 5 | 3,639 tok |
| u14app/deep-research research.u14.app Use any LLMs (Large Language Models) for Deep Research. Support SSE API and MCP server. | 4,687 | Codex, OpenCode | 1 | 1,460 tok |
| puikinsh/Adminator-admin-dashboard adminator.colorlib.com Adminator is easy to use and well design admin dashboard template with dark mode for web a | 4,686 | Claude Code, Codex, OpenCode | 3 | 4,962 tok |
| LeagueAkari/LeagueAkari akari.yuru-yuri.com An all-in-one toolkit for LeagueClient. Gathering power 🚀. | 4,670 | Claude Code, Codex, OpenCode | 2 | 3,170 tok |
| JetBrains/koog docs.koog.ai Koog is a JVM (Java and Kotlin) framework for building predictable, fault-tolerant and ent | 4,653 | Claude Code, Codex, Gemini CLI, OpenCode | 5 | 1,919 tok |
| TencentCloudADP/youtu-agent tencentcloudadp.github.io A simple yet powerful agent framework that delivers with open-source models | 4,632 | Codex, OpenCode | 1 | 667 tok |