2,016 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 |
|---|---|---|---|---|
| edwardxckf/humanizer-ms Remove signs of AI-generated writing from Malay (Bahasa Melayu) text. Agent skill for Clau | 2 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 1,412 tok |
| cote-star/agent-context Navigation contract for AI coding agents in large repos. Templates, validation scripts, an | 2 | Claude Code, Codex, Cursor, Gemini CLI, OpenCode | 4 | 401 tok |
| ShiftinBits/constellation-claude docs.constellationdev.io Codebase Understanding for Claude Code | 2 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 4 | 2,172 tok |
| tk-wxy/apc.md A markdown-based memory system for AI agents — stop re-explaining and re-debugging across | 2 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 4 | 644 tok |
| gsmlg-app/flutter-app-template Flutter Application Template for AI coder | 2 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 4,874 tok |
| jeonnoin-alt/Eureka Scientific TDD for AI coding agents: pre-registration before data, claims audit before sub | 2 | Gemini CLI | 1 | 27 tok |
| nordicnode/skillpack crates.io Generate, verify, and maintain AI agent guidance for your OSS project — skills, plugins, a | 2 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 4 | 3,212 tok |
| GDvega/super-android-kotlin-firebase-skill A modular Agent Skills repository for Android, Kotlin, Jetpack Compose and Firebase develo | 2 | Codex, Gemini CLI, OpenCode | 2 | 202 tok |
| SadmanYasar/arch-review-agent An ADK 2.0 multi-agent guardrail that screens pull requests for security flaws and AST vio | 2 | Gemini CLI | 1 | 748 tok |
| is-bo/fullstack-forge-skill A production full-stack engineering skill suite for AI coding agents—covering UI, UX, secu | 2 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 446 tok |
| YosefHayim/planpage npmjs.com CLI and Preact kit that renders AI agent plans and reports as local HTML, with in-browser | 2 | Codex, Gemini CLI, OpenCode | 2 | 2,272 tok |
| mertcanciy/news-reviewer Turn a news item into a research briefing instead of a summary: verified facts, historical | 2 | Codex, Gemini CLI, OpenCode | 2 | 1,492 tok |
| mirekondro/The-Pre-Flight-Check mirekondro.github.io ✈️ Stop your AI coding agent from declaring 'done' on broken code. Fail-fast quality gate: | 2 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 3,486 tok |
| kok-o/koko-contextos-agents Convenient, ready-to-use engineering skills and best practices for your AI assistant. | 2 | Gemini CLI | 1 | 454 tok |
| AzureManagedRedis/mcp-amr | 2 | Gemini CLI | 1 | 1,534 tok |
| danilods/matilha-skills You lead. Agents hunt. Cognitive + methodological harness for AI-assisted software — 139 s | 2 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 2,563 tok |
| varienos/agentic-journal Local, observer-first activity journal for AI coding agents with MCP tools, CLI wrappers, | 2 | Codex, Gemini CLI, OpenCode | 2 | 548 tok |
| derailed-dash/browsermcp-ext A Gemini CLI extension that integrates BrowserMCP, giving your AI agent the ability to nav | 2 | Gemini CLI | 1 | 176 tok |
| derailed-dash/aoc-utils-mcp aoc.just2good.co.uk MCP Server that provides utilities for working with Advent of Code | 2 | Gemini CLI | 1 | 532 tok |
| Holley-Studio/thesmos-governance holley.studio AI governance CLI, GitHub Action, VS Code extension & MCP server — 1,075 rules for Claude, | 2 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 8 | 11,045 tok |
| Taibur-Rahaman/Agent2Wp-AI-WordPress-Agent Security engine for WordPress AI Abilities — fail-closed risk classification, permission g | 2 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 714 tok |
| Hamzaaleem230/Phase-III-Todo-AI-Chatbot phase-iii-todo-ai-chatbot-seven.vercel.app AI-powered Todo Chatbot built with Next.js, FastAPI, OpenAI Agents SDK, MCP, PostgreSQL, a | 2 | Gemini CLI | 1 | 2,321 tok |
| sandraschi/speech-mcp FastMCP 3.2 speech gateway: FunASR local STT, Gemini Live/TTS, Hume, ElevenLabs cloning, w | 2 | Claude Code, Codex, GitHub Copilot, Cursor, Gemini CLI, OpenCode, Windsurf | 7 | 2,891 tok |
| maxencebernardhub/ai-engineering-labs lab08-frontend-maxencebernardhub.s3-website.ca-central-1.amazonaws.com Hands-on AI engineering labs: OpenAI, Anthropic, Google, local models. From a first API ca | 2 | Claude Code, Codex, Gemini CLI, OpenCode | 5 | 568 tok |
| wesleysimplicio/simplicio-loop simpleti.com.br 🔁 Finishes your entire backlog while you sleep. The AI orchestrator that DOES the work en | 2 | Claude Code, Codex, GitHub Copilot, Cursor, Gemini CLI, Kiro, OpenCode | 17 | 8,789 tok |
| vinicq/falsegreen-skill vinicq.github.io LLM skill that finds false-green tests across Python/TS/JS/Robot using the J1-J6 protocol | 2 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 11,735 tok |
| lidonation/Cardano-mcp Cardano's missing MCP server. Query UTxOs, decode datums, scaffold Aiken validators, watch | 2 | Claude Code, Gemini CLI | 2 | 7,177 tok |
| wordlift/wordlift-gemini-cli-extension wordlift.io Official Gemini CLI extension for WordLift. Manage your Knowledge Graph with natural langu | 2 | Gemini CLI | 1 | 107 tok |
| yurymkomarov/opencode-agent-orchestration OpenCode-based multi-agent orchestration setup using ai-cli-mcp with Codex CLI, Claude Cod | 2 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 628 tok |
| shailesh17/mcp-httpserver-proxy A transparent proxy to bridge a local Model Context Protocol (MCP) server listening over H | 2 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 6 | 1,740 tok |
| d-o-hub/github-template-ai-agents A template repository for GitHub projects using AI agents (Claude, Copilot Chat, OpenAI Co | 2 | Claude Code, Codex, Cursor, Gemini CLI, OpenCode | 11 | 3,266 tok |
| squaduplabs/agent-ios squaduplabs.com Drive the iOS Simulator from the CLI for AI coding agents: accessibility snapshots with el | 2 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 4 | 1,008 tok |
| n-shadloo/frontend-production-engineer Frontend Agent Skill that helps AI plan, build, and review production Next.js and TypeScri | 2 | Codex, Gemini CLI, OpenCode | 2 | 3,985 tok |
| thoreinstein/extension-creator A Gemini CLI extension with the tribal knowledge to help you create your own extensions | 2 | Gemini CLI | 1 | 93 tok |
| sergeiwallace/ai-cli-utils Unified AI session manager and automation toolkit for Claude Code and Gemini CLI — tmux se | 2 | Claude Code, Codex, Gemini CLI, OpenCode | 4 | 2,294 tok |
| OilpriceAPI/gemini-extension api.oilpriceapi.com Source-timestamped OilPriceAPI energy data and reviewed product facts for Gemini CLI. | 2 | Gemini CLI | 1 | 697 tok |
| pangelini777/oh-my-gem High-fidelity port of the Oh My OpenCode (OMO) agent orchestration system to the Gemini CL | 2 | Gemini CLI | 1 | 607 tok |
| delorenj/ssbnk delorenj.com Lightweight screenshot/gif server built for frictionless, agent-agnostic LLM consumption | 2 | Claude Code, Codex, Gemini CLI, OpenCode | 78 | 1,461 tok |
| sanpicule/gemini-rules-repo This repository manages development rules for Gemini CLI. It is recommended to use this re | 2 | Gemini CLI | 1 | 2,055 tok |
| Ravi-Teja-konda/kernel_chat AI-powered CLI tool for Linux development with serial console integration,embedded Linux d | 2 | Gemini CLI | 1 | 3,711 tok |
| rogermt/mcp-repo-onboarding An **MCP server** for the Gemini CLI that analyzes a local code repository (and helps gene | 2 | Codex, Gemini CLI, OpenCode | 2 | 2,960 tok |
| jeiel85/claude-usage-tray-windows jeiel85.github.io A WPF app that monitors usage and notifications for Claude, Codex, Gemini CLI, and OpenCod | 2 | Codex, Gemini CLI, OpenCode | 2 | 2,765 tok |
| spyrae/truthguard npmjs.com Catches false claims from AI coding agents. Claude Code hooks + Gemini CLI extension. | 2 | Gemini CLI | 1 | 199 tok |
| actinon-com/brass-monkey Agentic AI for Odoo 18 | 2 | Claude Code, Gemini CLI | 2 | 2,870 tok |
| sunjiawe/task-cli An open-source AI Agent that automatically decomposes tasks, generates Gantt charts, and p | 2 | Gemini CLI | 1 | 13,771 tok |
| Awzy11/obsidian-personal-scrum-vault Obsidian vault template combining Personal Scrum and Zettelkasten — with optional AI integ | 2 | Claude Code, Gemini CLI | 2 | 5,678 tok |
| dirkkok101/skills Skills for AI agents | 2 | Gemini CLI | 1 | 389 tok |
| sanchitnis/SrujanaSangama | 2 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 28 | 1,825 tok |
| DonggangChen/antigravity-agentic-skills antigravity-agentic-skills | 2 | Gemini CLI | 1 | 886 tok |
| ASolisEk/ai-specs This repository contains a comprehensive set of development rules, standards, and AI agent | 2 | Claude Code, Codex, Gemini CLI, OpenCode | 15 | 33 tok |