45,030 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 agents8,564Claude Code6,906Git and workflow3,633Data and AI3,578Backend and APIs3,558Languages3,494Planning3,322Code review2,906Testing2,695DevOps and cloud2,496Writing and docs2,489Memory and context2,375Research2,320Frontend2,312Security2,181Project management1,980
All Claude Code32,552 Codex24,920 OpenCode23,840 GitHub Copilot3,723 Gemini CLI2,039 Cursor1,771 Windsurf202 Kiro117
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| medelman17/case-chronology-mcp A Model Context Protocol (MCP) server for building and managing chronological timelines of | 3 | Claude Code | 1 | 558 tok |
| syedasad-kiwi/mongodb-mcp-bridge A powerful Model Context Protocol (MCP) server implementation for MongoDB integration | 3 | GitHub Copilot | 1 | 188 tok |
| akshaykanni22/medbill-scanner A free, open-source medical bill anomaly detector with AI-powered RAG pipeline and MCP ser | 3 | Claude Code | 3 | 4,107 tok |
| aokihu/mcp-teamate MCP server for AI cooperation | 3 | Cursor | 1 | 208 tok |
| AgileLuminary/mcp-agile-luminary agileluminary.com An MCP server for connecting with Agile Luminary Project Management Application | 3 | Cursor | 1 | 63 tok |
| feed-mob/fm-mcp-servers feedmob.com FeedMob MCP Servers | 3 | Codex, OpenCode | 1 | 547 tok |
| Im-neko/mcp-wikijs | 3 | Claude Code | 1 | 1,506 tok |
| rrudol/cursor-rulebook 🎯 Curated collection of Cursor rules for modern development projects. Includes standards | 3 | Claude Code | 1 | 827 tok |
| zyadhajaji/meshy-mcp MCP server for AI-powered 3D model & environment generation via Meshy AI — text to 3D, ima | 3 | Claude Code | 1 | 1,113 tok |
| nirecom/agents Self-driving dev harness for Claude Code — hook-enforced workflow, two-AI-provider review | 3 | Claude Code | 1 | 981 tok |
| GregoriSoria/billforward-mcp A Model Context Protocol (MCP) server for integrating Billforward's billing API with LLMs. | 3 | Claude Code, Codex, OpenCode | 22 | 12 tok |
| jsnanigans/mcpm Model Context Protocol MCP manager | 3 | Claude Code | 1 | 598 tok |
| ColdBox/coldbox-cli coldbox.org 💻 The official ColdBox CLI | 3 | Claude Code, Codex, OpenCode | 24 | 3,351 tok |
| rjamestaylor/cursor-rules-converter Convert Cursor rules for use by multiple AI Coding Assistants with git-hook automation for | 3 | Claude Code, Codex, OpenCode | 2 | 394 tok |
| langgexyz/cursor-rules | 3 | Cursor | 1 | 585 tok |
| barrosohub/frontend-stack-blueprint Canonical frontend stack blueprint for AI coding agents: TypeScript, React, Vite, Vitest, | 3 | Claude Code, Codex, GitHub Copilot, Cursor, OpenCode | 5 | 6,864 tok |
| SyntaxWay/agent-ready-repo | 3 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 6 | 1,616 tok |
| gjfresno/IA-Cyborg-SDD IA y gestión de proyecto | 3 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 822 tok |
| Qapla/qapla-api-skill AI agent knowledge pack for the Qapla' public REST API (v1.3) — shipments, raw orders, car | 3 | Codex, OpenCode | 1 | 755 tok |
| fellyph/ai-instructions AI instructions repository | 3 | Claude Code | 1 | 2,231 tok |
| lvjiujitsu/lvjiujitsu Sistema LV Jiu Jitsu | 3 | Claude Code, Codex, OpenCode | 11 | 13,695 tok |
| LeoKemp223/zserial-cli A command-line serial port tool for AI coding tools. It provides unified serial port enume | 3 | Claude Code, Codex, OpenCode | 2 | 486 tok |
| GlacierXiaowei/structured-learning-skill Structured Learning Skill - The first AI teaching skill with **dual-mode switching**. Conc | 3 | GitHub Copilot | 1 | 573 tok |
| ricardocaste/flutter-cursor-rules Flutter App Expert .cursorrules | 3 | Cursor | 1 | 589 tok |
| pcomans/caruso Caruso allows you to take plugins that contain skills, subagents or commands from Claude C | 3 | Claude Code, Codex, OpenCode | 4 | 2,823 tok |
| SkyIsTheLimit/agentvision See what your AI coding agents see. | 3 | Claude Code | 1 | 1,013 tok |
| brendancol/xarray-spatial-skills Repository for AI-assistant skills related to xarray-spatial | 3 | Claude Code, Cursor | 30 | 602 tok |
| YixuanYang00/math-beamer-slides-skill A skill for creating, compiling, reviewing, and polishing rigorous mathematical Beamer/LaT | 3 | GitHub Copilot | 2 | 2,139 tok |
| berrydev-ai/blockdoc-python A simple, powerful standard for structured content that works beautifully with LLMs, human | 3 | Claude Code | 2 | 207 tok |
| dawsonlp/BaseMcpServer A minimal containerized base for MCP servers using the MCP Python SDK | 3 | Claude Code, Codex, OpenCode | 2 | 147 tok |
| onesimplecode/agent-engineering-standards This repo hands your AI coding agent a rulebook and your CI the checks that enforce it, ca | 3 | Codex, OpenCode | 1 | 7,802 tok |
| annnsvm/buro-de buro-de.com | 3 | Claude Code | 1 | — |
| hly-AI/codingplan | 3 | Codex, Cursor, OpenCode | 7 | 777 tok |
| jim-schilling/splurge-ai-rules Splurge Cursor AI Rules | 3 | GitHub Copilot | 1 | 3,215 tok |
| houshuang/limbic Embedding, search, novelty detection, and clustering for knowledge-dense text corpora. Opt | 3 | Claude Code | 1 | 3,255 tok |
| tecton-ai/tecton-mcp This MCP (Model Context Protocol) server provides tools to interact with tecton. | 3 | Claude Code, Codex, OpenCode | 2 | 3,949 tok |
| shijiew/back-to-basics-skills | 3 | Claude Code, Codex, OpenCode | 2 | 100 tok |
| tecnomanu/agent-rules-kit-mcp MCP Server for Agent Rules Kit - Tools for agent rules management | 3 | GitHub Copilot | 1 | 3,784 tok |
| goldbuick/zed-software-system zed.cafe A zzt-inspired web based software framework | 3 | Cursor | 6 | — |
| dentiny/kon multi-agent system with kon characters | 3 | Codex, OpenCode | 1 | 766 tok |
| heyAyushh/stacc stacc.fyi A collection of AI agent configurations for coding | 3 | Claude Code, Codex, OpenCode | 2 | 1,071 tok |
| sophiaashi/Awesome-ccIDE Native macOS IDE for Claude Code sessions: full-text search across 200+ sessions, one-clic | 3 | Claude Code | 1 | 1,616 tok |
| anthonyverriest/planwise | 3 | Claude Code | 1 | 1,270 tok |
| yccloudy/minto Make AI write like a consultant: conclusion-first, structured output via the Minto Pyramid | 3 | Claude Code | 1 | 662 tok |
| xianyu110/my-awesome-skills A curated collection of Claude AI skills covering content creation, image generation, auto | 3 | Claude Code, Codex | 70 | — |
| C0ntr0lledCha0s/claude-code-plugin-automations Use awesome Claude Code plugins to make AI accessible | 3 | Claude Code | 3 | 5,266 tok |
| ofabiodev/stfu skills.sh 🦆 forces short, direct AI answers with no filler, context, recap, preamble, or full-file | 3 | Codex, OpenCode | 1 | 149 tok |
| fmaclen/svelte-vibe-code A vibe-code starter kit with Svelte + Convex | 3 | Claude Code | 1 | 809 tok |
| LastBotInc/cursor-rules-tools | 3 | Claude Code, Cursor | 2 | 1,155 tok |
| beettlle/pi-spine Orchestration spine for long-running pi development — pi-native batch orchestration with T | 3 | Claude Code, Codex, OpenCode | 8 | 1,464 tok |