32,517 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 agents8,505Claude Code6,886Git and workflow3,611Data and AI3,580Backend and APIs3,556Languages3,487Planning3,327Code review2,899Testing2,686Writing and docs2,480DevOps and cloud2,479Memory and context2,375Research2,323Frontend2,308Security2,172Project management1,965
All Claude Code32,517 Codex24,815 OpenCode23,733 GitHub Copilot3,719 Gemini CLI2,034 Cursor1,770 Windsurf202 Kiro114
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| Kokxi/qa-test-skills A software testing skill set with 48 expert-level testing skills and one entry workflow, c | 38 | Claude Code, Codex, OpenCode | 2 | 2,595 tok |
| Navyum/chrome-extension-yuque yuque.toolab.top Batch export Yuque documents to local storage. What you see is what you can download. Supp | 38 | Claude Code, Codex, OpenCode | 2 | 3,561 tok |
| Cascadia-PLM/Cascadia-App cascadiaplm.com Cascadia is a modern Digital Thread application designed to replace traditional low-code P | 38 | Claude Code | 5 | 13,415 tok |
| ultralytics/lite A fast, local workspace for Claude Code, Codex, Gemini CLI, Kimi Code, Qwen Code, DeepSeek | 38 | Claude Code, Codex, OpenCode | 2 | 1,820 tok |
| slopus/happy-agent happy.engineering Universal Agent Harness from Happy that works with any subscription | 38 | Claude Code, Codex, OpenCode | 3 | 6,673 tok |
| rippleshe/sciplot-academic Chinese scientific research plotting library | Nature/IEEE styles | pastel/earth/ocean col | 38 | Claude Code, GitHub Copilot | 2 | 2,979 tok |
| boots-coder/LLM-101-CN | 38 | Claude Code | 1 | 1,550 tok |
| ymm-oss/fsl AI-Native Formal Specification Language — a bounded model checker (Lark + Z3) built for LL | 38 | Claude Code, Codex, OpenCode | 18 | 2,301 tok |
| InsForge/insforge-mcp | 38 | Claude Code | 1 | 1,204 tok |
| Wirasm/dylan | 38 | Claude Code | 6 | 2,386 tok |
| MetaMask/metamask-design-system metamask.github.io The design system for MetaMask products | 38 | Claude Code, Codex, Cursor, OpenCode | 3 | 1,983 tok |
| monorailcss/MonorailCss.Framework monorailcss.github.io | 38 | Claude Code | 4 | 1,386 tok |
| databricks-solutions/consort Consort keeps AI-written code clean and correct: a coordinated ensemble of role agents, sp | 38 | Claude Code | 1 | 739 tok |
| dunecity-project/dunecity dunecity-project.github.io DuneCity — Dune Legacy RTS + Micropolis city-building simulation | 38 | Claude Code, Codex, Cursor, OpenCode | 3 | 9,619 tok |
| Oolab-labs/claude-ide-bridge MCP bridge giving Claude Code full IDE integration — 25+ tools for LSP, debugging, termina | 37 | Claude Code, Cursor | 14 | 8,609 tok |
| MicSm/boffin Staff-engineer layer for AI coding agents: routes per-edit architectural constraints and r | 37 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 7,626 tok |
| jj-valentine/cerebellum james-valentine.com Agent-readable second brain using PostgreSQL + pgvector for semantic search and memory sto | 37 | Claude Code | 1 | 459 tok |
| Aboudjem/ERC-3643 ERC-3643 - Raptor Version is a simple, educational look at the T-REX standard. Using Solid | 37 | Claude Code, Codex, GitHub Copilot, Cursor, OpenCode | 4 | 2,713 tok |
| dguido/google-workspace-mcp npmjs.com MCP server for Google Drive, Docs, Sheets, Slides, Calendar, Gmail, and Contacts | 37 | Claude Code | 1 | 1,704 tok |
| VioletCranberry/coco-search Local-first hybrid semantic code search tool. Indexes codebases into PostgreSQL with pgvec | 37 | Claude Code, Codex, OpenCode | 2 | 8,368 tok |
| smucclaw/l4-ide This project is being continued by Legalese: | 37 | Claude Code, Codex, OpenCode | 2 | 1,552 tok |
| MiguelAxcar/ai-rpi-protocol Repo-native protocol for AI-assisted coding that enforces a simple discipline: research fi | 37 | Claude Code, Codex, OpenCode | 2 | 1,993 tok |
| connerohnesorge/conclaude connerohnesorge.github.io Safely constrain and conclude your claude code sessions. | 37 | Claude Code | 25 | 1,799 tok |
| memgrafter/flatmachines Orchestrate agents with a peer network of state machines. Supports checkpoint/restore, per | 37 | Claude Code, Codex, OpenCode | 2 | 2,188 tok |
| chongdashu/phaserjs-tinyswords | 37 | Claude Code, Codex | 3 | — |
| kasuken/vscode-copilot-insights marketplace.visualstudio.com Understand your GitHub Copilot plan, quotas, and limits at a glance | 37 | Claude Code, GitHub Copilot | 3 | 1,100 tok |
| git-men/agentstudio agentstudio.cc A sophisticated AI-powered workspace built on top of Claude Code SDK | 37 | Claude Code | 4 | 4,092 tok |
| wesselgrift/sveltekit-spa sveltespa.dev A minimal boilerplate for building SPAs with SvelteKit using adapter-static, Supabase Auth | 37 | Claude Code | 1 | 3,733 tok |
| PSPDFKit-labs/nutrient-dws-client-typescript nutrient.io This library provides a type-safe and ergonomic interface for document processing operatio | 37 | Claude Code, Codex, OpenCode | 2 | 522 tok |
| learnwithparam/ai-agentic-patterns learnwithparam.com Hands-on AI agentic patterns workshop material for building real AI and web apps. | 37 | Claude Code, Codex, OpenCode | 2 | 289 tok |
| d-kimuson/esa-mcp-server An implementation of an esa Model Context Protocol server | 37 | Claude Code | 1 | 667 tok |
| commerce-operations-foundation/mcp-reference-server This is the reference implementation for the mcp server | 37 | Claude Code | 1 | 1,138 tok |
| lilklon/UEBlueprintMCP MCP server for AI-assisted Unreal Engine 5.7+ Blueprint manipulation | 37 | Claude Code | 1 | 2,297 tok |
| Wirasm/obsidian-claude-code onsidian plugin for claude code | 37 | Claude Code | 1 | 1,181 tok |
| bitpanda-labs/bitpanda-mcp Official Bitpanda MCP server | 37 | Claude Code | 1 | 1,161 tok |
| jpablo/metals-standalone-client Minimal Metals stand alone client that allows running the metals mcp server | 37 | Claude Code, Codex, OpenCode | 2 | 1,026 tok |
| openberth/openberth openberth.io Self-hosted deployment platform. Give it code, get a live HTTPS URL. Supports Node.js, Pyt | 37 | Claude Code | 1 | 1,386 tok |
| tonkotsuboy/x-impact-checker AI agent skill to analyze X (Twitter) posts for viral potential using the actual recommend | 37 | Claude Code | 1 | 506 tok |
| polos-dev/polos polos.dev The open-source runtime for AI agents. Sandboxed execution with built-in tools, human-in-t | 37 | Claude Code | 1 | 2,140 tok |
| webrenew/memories memories.sh | 37 | Claude Code, Codex, OpenCode | 2 | 460 tok |
| mifunedev/openharness oh.mifune.dev 🏗️ Run coding agents in a sandbox, not on your machine. | 37 | Claude Code, Codex, OpenCode | 6 | 2,015 tok |
| FutureRootsDE/legal-audit-de Claude Code plugin for German/EU legal audits (DSGVO, TDDDG, UWG, AI Act, etc.). Not legal | 37 | Claude Code, Codex, GitHub Copilot, OpenCode | 4 | 7,274 tok |
| fltman/loop-engineer Claude Code skill + subagent for setting up guardrailed agentic loops (loop engineering): | 37 | Claude Code | 6 | — |
| fayzan123/claude-workflow-composer Visual desktop app for composing multi-agent coding workflows. Drag agents, attach skill | 37 | Claude Code, Codex, OpenCode | 2 | 4,866 tok |
| nirholas/defi-agents sperax.click DeFi agent definitions JSON API + MCP - Production-ready agents for Web3, crypto trading, | 37 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 4 | 708 tok |
| aliyun/alibabacloud-hologres-mcp-server | 37 | Claude Code | 1 | 1,548 tok |
| dj931567261/app-test-control Control apps with AI for automated testing and bug fixing/reproduction | 37 | Claude Code | 4 | — |
| zhouguoqing/QianYuan.AIAgenticFramework An Agentic framework written in C# .NET 10 using the ReAct paradigm, supporting progressiv | 37 | Claude Code, Codex | 13 | — |
| Litenova-Solutions/Fuse fuse.codes Faster .NET build and test loop for AI coding agents. | 37 | Claude Code, Codex, OpenCode | 2 | 2,049 tok |
| arcadeai-labs/mcpx A command-line interface for MCP servers. curl for MCP. | 37 | Claude Code | 1 | 424 tok |