44,817 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 |
|---|---|---|---|---|
| huytieu/COG-second-brain Self-evolving second brain with 35 AI skills, 10 agents, and people CRM. Closed-loop harne | 1,340 | Claude Code, Codex, Cursor, Gemini CLI, OpenCode | 11 | 18,441 tok |
| spiculedata/saiku saiku.bi Open-source semantic layer: one cube for Excel (MDX/XMLA), dashboards, and AI agents (MCP) | 1,339 | Claude Code, Codex, GitHub Copilot, OpenCode | 10 | 13,407 tok |
| Intuition-Lab/personal-model intuition-lab.github.io Build your HUMAN.md. | 1,335 | Claude Code, Codex, OpenCode | 2 | 1,391 tok |
| wprig/wprig wprig.io A modern performance-focused theme development toolkit for WordPress. | 1,334 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 2,212 tok |
| OpenRaiser/NanoResearch 🦞+🔬 NanoResearch: The Autonomous AI Research Assistant | 1,332 | Claude Code, Codex, OpenCode | 2 | 1,586 tok |
| moazbuilds/claudeclaw A lightweight, open-source OpenClaw version built into your Claude Code. | 1,330 | Claude Code | 1 | 1,184 tok |
| shift-labs-ai/markit 🖍️ Convert anything to markdown. Mark it. | 1,328 | Codex, OpenCode | 1 | 594 tok |
| LiteLLM-Labs/litellm-agent-control-plane docs.litellm-agent-platform.ai 1 place to call all your agents - OpenCode, Hermes, Claude Managed Agents, Cursor Agents A | 1,327 | Codex, OpenCode | 1 | 339 tok |
| storybookjs/react-native storybook.js.org 📓 Storybook for React Native! | 1,326 | Claude Code, Codex, OpenCode | 3 | 1,086 tok |
| apache/incubator-xtable xtable.apache.org Apache XTable (incubating) is a cross-table converter for lakehouse table formats that fac | 1,326 | Codex, OpenCode | 1 | 1,870 tok |
| higress-group/himarket HiMarket is an enterprise-level "AI Capability Marketplace and Developer Ecosystem Hub." I | 1,325 | Codex, OpenCode | 1 | 1,136 tok |
| chen0416ccc-cpu/codex-windows-fast-patch-skill These skills guide agents in restoring local patches and feature toggles disabled or inval | 1,325 | Codex, OpenCode | 1 | 712 tok |
| uphiago/recon-skills hiago.sh Recon & pentest skill pack. CORS, XSS, SQLi, SSRF, RCE, WordPress, MCP, cloud, subdomain t | 1,324 | Codex, OpenCode | 1 | 900 tok |
| matlab/simulink-agentic-toolkit The Simulink Agentic Toolkit gives your AI agent both the tools and the expertise to work | 1,322 | Codex, OpenCode | 1 | 402 tok |
| greyhaven-ai/autocontext a recursive self-improving harness designed to help your agents (and future iterations of | 1,321 | Claude Code, Codex, OpenCode | 2 | 4,707 tok |
| microsoft/skills-for-fabric A collection of skills and MCP systems to enable users of CLI, VSCode, Claude to operate o | 1,321 | Claude Code, Codex, Cursor, Gemini CLI, OpenCode, Windsurf | 5 | 12,304 tok |
| coleam00/claude-memory-compiler Give Claude Code a memory that evolves with your codebase. Hooks automatically capture ses | 1,320 | Claude Code, Codex, OpenCode | 5 | 4,446 tok |
| datalayer/jupyter-mcp-server jupyter-mcp-server.datalayer.tech 🪐 🔧 Model Context Protocol (MCP) Server for Jupyter. | 1,320 | Claude Code, Codex, GitHub Copilot | 2 | 2,265 tok |
| NVIDIA-NeMo/Gym docs.nvidia.com Evaluate and improve models and agents using environments | 1,320 | Claude Code, Codex, OpenCode | 17 | 5,156 tok |
| neurogen-dev/NeuroAPI neuroapi.host NeuroAPI: a Russian AI API for Codex CLI and Claude Code — secure one-click installers for | 1,317 | Codex, OpenCode | 1 | 509 tok |
| voidful/hung-yi-lee-skill A skill distilled from Professor Li Hongyi's teachings, combined with Karpathy's LLM, enha | 1,317 | Codex, OpenCode | 1 | 843 tok |
| fancyboi999/ai-engineering-from-scratch-zh aieng-zh.cn The most comprehensive learning path for Agent engineers · Master AI engineering from scra | 1,317 | Claude Code, Codex, OpenCode | 18 | 2,739 tok |
| steipete/claude-code-mcp Claude Code as one-shot MCP server to have an agent in your agent. | 1,315 | Claude Code, GitHub Copilot | 2 | 7 tok |
| Vincentqyw/image-matching-webui huggingface.co 🤗 image matching webui | 1,314 | Claude Code | 3 | 2,033 tok |
| conorluddy/ios-simulator-skill conor.fyi An IOS Simulator Skill for Agents. Use it to optimise their ability to build, run and inte | 1,312 | Claude Code, Codex, OpenCode | 2 | 2,915 tok |
| awdr74100/figwright Free, two-way Figma MCP server. Turn designs into framework-aware code, and push code back | 1,312 | Claude Code, Codex, OpenCode | 6 | 6,155 tok |
| Agentshire/Agentshire OpenClaw / QClaw plugin that visualizes AI agents as 3D NPCs in a game town — with social | 1,310 | Codex, OpenCode | 1 | 5,768 tok |
| caliber-ai-org/ai-setup trycaliber.ai Continuously sync your AI setups with one command. Codebase tailor suited agent skills, MC | 1,309 | Claude Code, Codex, OpenCode | 10 | 3,283 tok |
| Arize-ai/openinference arize-ai.github.io OpenTelemetry Instrumentation for AI Observability | 1,307 | Claude Code, Codex, OpenCode | 12 | 1,067 tok |
| dohooo/helmor helmor.ai Open-source local workbench for multi-agent software development. | 1,306 | Claude Code, Codex, OpenCode | 9 | 10,385 tok |
| d-kimuson/claude-code-viewer npmjs.com A full-featured web-based Claude Code client that provides complete interactive functional | 1,306 | Claude Code, Codex, OpenCode | 11 | 3,171 tok |
| 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 |
| pashov/skills Pashov Audit Group Skills | 1,302 | Claude Code | 1 | 116 tok |
| vipshop/cache-dit cache-dit.readthedocs.io A PyTorch-native inference engine with cache, parallelism, quantization and cpu offload fo | 1,300 | Claude Code | 4 | — |
| 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 |
| microsoft/prompty prompty.ai Prompty makes it easy to create, manage, debug, and evaluate LLM prompts for your AI appli | 1,286 | GitHub Copilot | 1 | 14,642 tok |
| remorses/critique critique.work TUI & website for reviewing git changes | 1,285 | Codex, OpenCode | 1 | 2,057 tok |
| sentient-agi/EvoSkill EvoSkill — An open-source framework that automatically discovers and synthesizes reusable | 1,285 | Claude Code | 2 | — |
| 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 |