24,692 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 |
|---|---|---|---|---|
| Xerxes-2/clewdr High Performance LLM Reverse Proxy | 1,305 | Codex, OpenCode | 1 | 2,409 tok |
| 917Dhj/DeepPaperNote 917dhj.github.io DeepPaperNote is an agent skill for deep-reading a single paper and generating high-qualit | 1,304 | Claude Code, Codex, OpenCode | 2 | 986 tok |
| huiliyi37/Tianshu-harness tianshuharness.com Tianshu (天枢) is a terminal programming Agent runtime based on harness engineering (Tui X G | 1,304 | Claude Code, Codex, OpenCode | 2 | 7,224 tok |
| TanStack/cli tanstack.com The official TanStack CLI - Project Scaffolding, MCP Server, Agent Skills Installation, et | 1,302 | Claude Code, Codex, OpenCode | 2 | 8 tok |
| CopilotKit/OpenTag OpenTag: The Channels SDK starter application, a self-hosted AI on-call triage bot for Sla | 1,302 | Codex, OpenCode | 1 | 2,030 tok |
| ENTERPILOT/GoModel gomodel.enterpilot.io AI gateway / AI control plane / AI proxy written in Go. Unified OpenAI-compatible and Anth | 1,302 | Claude Code, Codex, OpenCode | 2 | 1,167 tok |
| contentful/contentful.js contentful.github.io JavaScript library for Contentful's Delivery API (node & browser) | 1,294 | Codex, OpenCode | 1 | 860 tok |
| Prithvi-Web/TreeMap-Disk-Visualizer tree-map-landing-page.vercel.app TreeMap is a fully downloadable app that can run on mac, windows, and linux. That visualiz | 1,294 | Codex, OpenCode | 1 | 25,394 tok |
| remorses/critique critique.work TUI & website for reviewing git changes | 1,285 | Codex, OpenCode | 1 | 2,057 tok |
| AIPexStudio/AIPex claudechrome.com AIPex: AI browser automation assistant, no migration and privacy first. Alternative to Man | 1,283 | Claude Code, Codex, OpenCode | 2 | 1,195 tok |
| Auriti-Labs/geo-optimizer-skill geoready.dev GEO Optimizer, the open-source engine behind GeoReady (geoready.dev): audit whether ChatGP | 1,280 | Claude Code, Codex, OpenCode | 11 | 2,230 tok |
| kbwo/ccmanager Coding Agent Session Manager for Claude Code / Gemini CLI / Codex CLI / Cursor Agent / Cop | 1,278 | Claude Code, Codex, Kiro, OpenCode | 15 | 5,122 tok |
| tomasz-tomczyk/crit crit.md Review AI coding agents' plans, diffs and running apps in the browser. Local-first, works | 1,278 | Claude Code, Codex, OpenCode | 4 | 9,565 tok |
| 0xranx/OpenContext 0xranx.github.io A personal context store for AI agents and assistants—reuse your existing coding agent CLI | 1,277 | Codex, OpenCode | 1 | 1,022 tok |
| math-inc/OpenGauss | 1,275 | Codex, OpenCode | 1 | 3,386 tok |
| dpearson2699/swift-ios-skills skills.sh Agent Skills for iOS 26+, Swift 6.3, SwiftUI, and modern Apple frameworks | 1,275 | Codex, OpenCode | 1 | 2,604 tok |
| liliu-z/stashbase stashbase.ai An open-source, local-first writing workspace where you can write with Claude Code and Cod | 1,273 | Claude Code, Codex, OpenCode | 2 | 3,038 tok |
| laude-institute/headlong headlong.ai An open source agent microharness featuring persistent agency and recursive LLMs. Of bash, | 1,272 | Claude Code, Codex, OpenCode | 2 | 1,521 tok |
| AvdLee/Xcode-Build-Optimization-Agent-Skill rocketsim.app An Agent Skill helping you to optimize Xcode incremental and clean builds by running bench | 1,270 | Codex, GitHub Copilot, OpenCode | 2 | 1,265 tok |
| pnoker/iot-dc3 dc3.site IoT DC3 — Connect the Physical World to AI. An open-source Industrial IoT Runtime for Phys | 1,267 | Claude Code, Codex, OpenCode | 2 | 2,326 tok |
| soniqo/speech-swift soniqo.audio AI speech toolkit for Apple Silicon — ASR, TTS, speech-to-speech, VAD, and diarization pow | 1,265 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 5,191 tok |
| hoangnb24/repository-harness Turn any repo into an agent-ready workspace for Claude Code, Codex, Cursor, and other codi | 1,264 | Claude Code, Codex, OpenCode | 7 | 298 tok |
| ongridio/ongrid ongrid.cloud An ops AI Agent that understands your infrastructure, finds the root cause, and fixes it — | 1,264 | Codex, OpenCode | 1 | 3,230 tok |
| mrwadams/attackgen AttackGen is a cybersecurity incident response testing tool that leverages the power of la | 1,257 | Claude Code, Codex, OpenCode | 2 | 5,851 tok |
| ferdinandobons/startup-skill startupskill.me AI agent skills for startup validation, competitive intelligence, and planning | 1,257 | Claude Code, Codex, OpenCode | 2 | 4,686 tok |
| starknet-io/starknet.js starknet-js.com JavaScript library for Starknet | 1,256 | Codex, OpenCode | 1 | 2,400 tok |
| chunxiaoxx/nautilus-compass compass.nautilus.social Open memory & reliability layer for AI agents + independent judging/verification (NACRE ju | 1,256 | Claude Code, Codex, OpenCode | 3 | 2,108 tok |
| mozilla-ai/any-agent docs.mozilla.ai A single interface to use and evaluate different agent frameworks | 1,255 | Claude Code, Codex, OpenCode | 2 | 2,165 tok |
| legeling/awesome-codex-pet codexpet.top A curated gallery of community-made Codex pets, with generated action previews and one-com | 1,253 | Codex, OpenCode | 1 | 2,294 tok |
| modu-ai/moai-adk adk.mo.ai.kr Agentic development harness for Claude Code — SPEC-driven plan/run/sync, TRUST 5 quality g | 1,252 | Claude Code, Codex, OpenCode | 22 | 5,225 tok |
| Aaronontheweb/dotnet-skills Claude Code skills and sub-agents for .NET Developers | 1,250 | Claude Code, Codex, OpenCode | 2 | 1,294 tok |
| reticlehq/reticle app.reticle.sh AI agents can generate code, but still struggle to understand what they build. Reticle bri | 1,247 | Claude Code, Codex, OpenCode | 2 | 2,684 tok |
| Ataraxy-Labs/opensessions ataraxy-labs.com tmux sidebar for coding agents — Amp, Claude Code, Codex, OpenCode. Per-thread markers, lo | 1,237 | Codex, OpenCode | 1 | 1,801 tok |
| polterguy/magic hyperlambda.dev Instant SECURE Full Stack Apps and AI Agents | 1,237 | Codex, OpenCode | 1 | 903 tok |
| frank890417/taiwan-md taiwan.md 🇹🇼 Let the whole world fully understand Taiwan | An open-source, AI-friendly knowledge b | 1,237 | Claude Code, Codex | 47 | 4,924 tok |
| mem9-ai/mem9 Unlimited memory for OpenClaw | 1,235 | Claude Code, Codex, OpenCode | 2 | 3,039 tok |
| NomaDamas/slides-grab nomadamas.github.io Best harness + editor + linter for generating slides in Claude Code / Codex - Claude Desig | 1,233 | Codex, OpenCode | 1 | 1,543 tok |
| modelcontextprotocol/quickstart-resources A repository of servers and clients from the Model Context Protocol tutorials | 1,233 | Codex, OpenCode | 1 | 816 tok |
| GoogleChrome/modern-web-guidance-src goo.gle | 1,226 | Claude Code, Codex, OpenCode | 14 | 487 tok |
| ysr666/dsh-vision-router Eyes for text-only DeepSeek Harness agents: built-in free vision chain (no key) + pixel-le | 1,225 | Claude Code, Codex, GitHub Copilot | 3 | 371 tok |
| hanliang97/MatrixMedia hanliang97.github.io A video matrix tool built with Vue, Electron, and Puppeteer for batch publishing videos to | 1,224 | Claude Code, Codex, OpenCode | 2 | 4,054 tok |
| dartsim/dart dart.readthedocs.io DART: Dynamic Animation and Robotics Toolkit | 1,223 | Claude Code, Codex, OpenCode | 3 | 1,799 tok |
| xyTom/coding-tools-mcp coding-tools-mcp.github.io Give any AI agent the ability to code | 1,222 | Codex, OpenCode | 1 | 329 tok |
| NVIDIA-NeMo/labs-molt A scalable, agentic-first, and HuggingFace-native RL framework for research (9k lines). | 1,218 | Claude Code, Codex, OpenCode | 6 | 458 tok |
| mongodb/js-bson BSON Parser for node and browser | 1,216 | Claude Code, Codex, OpenCode | 2 | 1,402 tok |
| mikiarlo3/ai-copywriter An AI copywriter that uses real copywriting skills + real marketing knowledge with human t | 1,216 | Claude Code, Codex, OpenCode | 1 | 703 tok |
| asheshgoplani/agent-deck discord.gg Terminal session manager for AI coding agents. One TUI for Claude, Gemini, OpenCode, Codex | 1,215 | Claude Code, Codex, OpenCode | 2 | 2,878 tok |
| strands-agents/agent-sop aws.amazon.com Natural language workflows that enable AI agents to perform complex, multi-step tasks with | 1,214 | Codex, OpenCode | 1 | 2,087 tok |
| heymrun/heym heym.run Build agentic systems. Run them with confidence. Orchestrate agents, automate business pro | 1,213 | Claude Code, Codex, Cursor, OpenCode | 3 | 7,407 tok |
| graphframes/graphframes graphframes.io GraphFrames is a package for Apache Spark which provides DataFrame-based Graphs | 1,213 | Codex, OpenCode | 1 | 1,839 tok |