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 |
|---|---|---|---|---|
| softaworks/agent-toolkit A curated collection of skills for AI coding agents. Skills are packaged instructions and | 2,635 | Claude Code, Codex, OpenCode | 2 | 755 tok |
| samanhappy/mcphub mcphub.app Self-hosted MCP gateway and control plane for connecting, controlling, and operating MCP s | 2,634 | Claude Code, Codex, OpenCode | 3 | 602 tok |
| nunit/nunit nunit.org NUnit Framework | 2,632 | Claude Code, Codex, GitHub Copilot, OpenCode | 10 | 724 tok |
| Exorust/TorchLeet torch-leet.vercel.app LeetCode for PyTorch — 65 ML/AI interview problems from real interviews at Google, Meta, A | 2,621 | Codex, OpenCode | 1 | 492 tok |
| vercel-labs/vgpu vgpu.sh Modular cross-runtime WebGPU library for shaders, 3D scenes, GPU tensors, neural networks, | 2,620 | Claude Code, Codex, OpenCode | 3 | 1,008 tok |
| threerocks/hand-drawn-styles Claude Code skill: applies content to built-in hand-drawn style recipes to produce image-g | 2,615 | Codex, OpenCode | 1 | 1,026 tok |
| kayba-ai/agentic-context-engine kayba.ai 🧠 Make your agents learn from experience. Now available as a hosted solution at kayba.ai | 2,608 | Claude Code, Codex, OpenCode | 19 | 2,759 tok |
| YTwsy/OpenSurge-for-Mac opensurge.pages.dev Surge-style whole-home gateway and control plane for macOS with IPv4/IPv6 support— mihomo | 2,604 | Codex, OpenCode | 1 | 404 tok |
| org2AI/ORG2 System of record for how agents build software: Built-in rust harness & 20+ CLIs. | 2,598 | Codex, OpenCode | 1 | 3,964 tok |
| Piebald-AI/tweakcc Customize Claude Code's system prompts, create custom toolsets, input pattern highlighters | 2,598 | Claude Code, Codex, OpenCode | 3 | 883 tok |
| terryyin/lizard A simple code complexity analyser without caring about the C/C++ header files or Java impo | 2,585 | Claude Code, Codex, OpenCode | 27 | 407 tok |
| sdyckjq-lab/llm-wiki-skill A personal knowledge-base building Skill based on the Karpathy llm-wiki methodology, suppo | 2,581 | Claude Code, Codex, OpenCode | 2 | 4,044 tok |
| graphistry/pygraphistry PyGraphistry is a Python library to quickly load, shape, embed, and explore big graphs wit | 2,577 | Claude Code, Codex, OpenCode | 8 | 479 tok |
| mflux-community/mflux Apple MLX native implementations of state-of-the-art generative image & video models | 2,576 | Claude Code, Codex, Cursor, OpenCode | 13 | 968 tok |
| neilotoole/sq sq.io sq data wrangler | 2,574 | Claude Code, Codex, OpenCode | 6 | 4,477 tok |
| cbrock84/headcount cbrock84.github.io An agent organization structured as a company — 15+ departments, 125+ skills, each indepen | 2,574 | Codex, OpenCode | 1 | 745 tok |
| amElnagdy/delegate-skills skills.sh Delegate a coding task to a separate coding agent CLI, review the diff, land the commit yo | 2,565 | Codex, OpenCode | 1 | 3,956 tok |
| Azure/azure-sdk-for-java This repository is for active development of the Azure SDK for Java. For consumers of the | 2,563 | Claude Code, Codex, GitHub Copilot, OpenCode | 18 | 3,984 tok |
| K-Dense-AI/claude-scientific-writer k-dense.ai A general purpose scientific writer | 2,556 | Claude Code, Codex, OpenCode | 28 | 10,828 tok |
| Nano-Collective/nanocoder docs.nanocollective.org An open coding agent for your terminal, built by a community collective rather than a comp | 2,552 | Claude Code, Codex, OpenCode | 2 | 4,597 tok |
| ValveResourceFormat/ValveResourceFormat s2v.app Source 2 Viewer is an all-in-one tool to browse VPK archives, view, extract, and decompile | 2,552 | Codex, OpenCode | 1 | 1,973 tok |
| earendil-works/absurd earendil-works.github.io An experiment in durability | 2,534 | Codex, OpenCode | 1 | 593 tok |
| HD838A/remote-mic-app sayall.app Wireless Mic (SayAll.app): Turn the Xiaomi Bluetooth Remote 2 Pro into a voice-input devic | 2,533 | Codex, OpenCode | 1 | 8,495 tok |
| mattzcarey/shippie shippie.dev extendable code review and QA agent 🚢 | 2,519 | Codex, OpenCode | 1 | 993 tok |
| openwebf/webf openwebf.com Bring JavaScript and Web Dev to Flutter | 2,518 | Claude Code, Codex, OpenCode | 13 | 2,407 tok |
| natolambert/rlhf-book rlhfbook.com Textbook on reinforcement learning from human feedback | 2,500 | Claude Code, Codex, OpenCode | 8 | 1,668 tok |
| snarktank/antfarm antfarm.cool Build your agent team in OpenClaw with one command. | 2,497 | Codex, OpenCode | 1 | 582 tok |
| itmeo/webgradients webgradients.com 180 free CSS3, Figma, Sketch & PSD gradients — plus a JSON dataset for design tools, gener | 2,497 | Codex, OpenCode | 1 | 1,579 tok |
| CarGuo/GSYGithubAPP juejin.im A comprehensive open-source React Native project with rich features, suitable for learning | 2,496 | Codex, OpenCode | 1 | 1,542 tok |
| vercel/workflow workflow-sdk.dev Workflow SDK: Build durable, reliable, and observable apps and AI Agents in TypeScript | 2,493 | Claude Code, Codex, OpenCode | 5 | 10,423 tok |
| MrGeDiao/shuorenhua Chinese-first rewrite skill for Codex / Claude Code / Cursor / ChatGPT — removes AI tone, | 2,491 | Claude Code, Codex, OpenCode | 2 | 463 tok |
| yyjeqhc/webcodex Give cloud AI agents a real development environment on your own machines. | 2,488 | Codex, OpenCode | 1 | 1,928 tok |
| Bitterbot-AI/bitterbot-desktop bitterbot.ai Bitterbot - a mesh of agents that turns shared experience into collective capability. | 2,481 | Codex, OpenCode | 1 | 3,033 tok |
| Infisical/agent-vault docs.agent-vault.dev A HTTP credential proxy and vault for AI agents like Claude Code, OpenClaw, Hermes, custom | 2,481 | Claude Code, Codex, OpenCode | 4 | 3,229 tok |
| eugr/spark-vllm-docker Docker configuration for running VLLM on dual DGX Sparks | 2,472 | Codex, OpenCode | 1 | 346 tok |
| Draculabo/AntigravityManager Antigravity Manager is a desktop application for managing the Google accounts used by Anti | 2,469 | Claude Code, Codex, OpenCode | 45 | 2,253 tok |
| RAIT-09/obsidian-agent-client rait-09.github.io Bring AI agents into Obsidian via Agent Client Protocol (ACP), such as Claude Code, Codex | 2,468 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 7 | 5,375 tok |
| subsy/ralph-tui ralph-tui.com | 2,461 | Claude Code, Codex, OpenCode | 3 | 1,095 tok |
| exceptionless/Exceptionless exceptionless.com Exceptionless application | 2,456 | Claude Code, Codex, OpenCode | 16 | 2,274 tok |
| digitalsamba/claude-code-video-toolkit AI-native video production toolkit for Claude Code | 2,453 | Claude Code, Codex, OpenCode | 3 | 13,631 tok |
| vercel/chat chat-sdk.dev Universal chat layer for building bots and agents. | 2,451 | Claude Code, Codex, OpenCode | 4 | 1,381 tok |
| FullAgent/fulling fulling.ai Fulling is an AI-powered Full-stack Engineer Agent. Built with Next.js, Claude, shadcn/ui, | 2,445 | Codex, OpenCode | 1 | 874 tok |
| lestrrat-go/jwx Complete implementation of JWx (Javascript Object Signing and Encryption/JOSE) technologie | 2,444 | Claude Code, Codex, OpenCode | 3 | 3,354 tok |
| QoderAI/better-harness qoderai.github.io An open-source Harness Engineering platform for coding agents—define harnesses as code, ru | 2,443 | Claude Code, Codex, OpenCode | 6 | 2,535 tok |
| utkuozdemir/pv-migrate CLI tool to easily migrate or backup/restore Kubernetes persistent volumes | 2,432 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 4 | 8,694 tok |
| iamlukethedev/Claw3D claw3d.ai Claw3D is an open source 3D engine built on OpenClaw for creating games, simulations, and | 2,429 | Codex, OpenCode | 1 | 608 tok |
| spacedriveapp/spacebot spacebot.sh An AI agent for teams, communities, and multi-user environments. | 2,426 | Codex, OpenCode | 1 | 5,503 tok |
| 777genius/agent-teams-ai agentteams.live You're the boss, agents are your team. They handle tasks on their own, message each other, | 2,421 | Claude Code, Codex, OpenCode | 2 | 5,719 tok |
| Kritt-ai/open-kritt kritt.ai Open-source, self-hosted AI vulnerability research tool that orchestrates agents to find a | 2,418 | Codex, OpenCode | 1 | 2,190 tok |
| FrancyJGLisboa/agent-skill-creator francyjglisboa.github.io Build tested agent skills and govern their lifecycle through a user-defined marketplace: e | 2,411 | Codex, OpenCode | 1 | 285 tok |