44,996 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 agents8,544Claude Code6,892Git and workflow3,622Data and AI3,580Backend and APIs3,558Languages3,492Planning3,321Code review2,907Testing2,690DevOps and cloud2,489Writing and docs2,484Memory and context2,374Research2,321Frontend2,311Security2,178Project management1,971
All Claude Code32,539 Codex24,879 OpenCode23,799 GitHub Copilot3,723 Gemini CLI2,040 Cursor1,772 Windsurf202 Kiro116
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| markdevshop/vector-mcp Vector MCP Server for AI Agents - Supports ChromaDB, Couchbase, MongoDB, Qdrant, and PGVec | 11 | Claude Code, Codex, OpenCode | 2 | 3,027 tok |
| craftingcodegig/vector-mcp Vector MCP Server for AI Agents - Supports ChromaDB, Couchbase, MongoDB, Qdrant, and PGVec | 11 | Claude Code, Codex, OpenCode | 2 | 3,027 tok |
| lightszentip/laravel-release-changelog-generator Generate a changelog and releases with version management with artisan | 11 | Claude Code, Codex, OpenCode | 4 | 799 tok |
| tkellogg/tupac A terminal MCP client based on the OpenAI responses API. | 11 | Codex, OpenCode | 1 | 1,498 tok |
| stacklok/toolhive-cloud-ui ToolHive Cloud UI surfaces MCP servers running in your infrastructure, highlighting metada | 11 | Claude Code, Codex, GitHub Copilot, OpenCode | 4 | 9,438 tok |
| armoin2018/ai-ley Level the AI playing field with robust AI Evolving Personas, Instruction Sets, Commands fo | 11 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 4 | 124 tok |
| RegiByte/mcp-client-app A mcp client chat application built for learning purposes | 11 | Claude Code | 1 | 250 tok |
| StacklokLabs/mcp-optimizer MCP server that acts as an intelligent intermediary between AI clients and multiple MCP se | 11 | Claude Code | 10 | 817 tok |
| ryanthedev/penman Convert markdown to rich text styled for any platform — Slack, Teams, Discord, Word, Notio | 11 | Claude Code | 1 | 188 tok |
| BastiDood/dependency-wrangler dev.to A Claude Code marketplace for plugins that wrangle your dependencies. | 11 | Claude Code, Codex, OpenCode | 3 | 92 tok |
| leorosignoli/jira-zephyr-mcp MCP for integrating with Jira's zephyr. | 11 | Claude Code, Gemini CLI | 2 | 738 tok |
| fiedlermarius/sbox-mcp-documentation | 11 | Claude Code | 1 | — |
| betancur/keynote-mcp A Model Context Protocol (MCP) server that enables AI assistants to control Keynote presen | 11 | Claude Code | 1 | 1,041 tok |
| gilby125/opencode-mcp-tool | 11 | Codex, OpenCode | 1 | 485 tok |
| rygwdn/obsidian-mcp-plugin Obsidian plugin providing Model Context Protocol (MCP) integration | 11 | Claude Code | 1 | 302 tok |
| atxp-dev/cli docs.atxp.ai Command Line Interface for creating ATXP applications | 11 | Claude Code | 1 | 96 tok |
| david-strejc/sage-mcp 🧙 SAGE-MCP: Simple AI Guidance Engine for Claude - Universal AI assistant with smart mode | 11 | Claude Code | 1 | 1,257 tok |
| hi0001234d/coding-agent-mcp-tools Curated list of coding agents and MCP tools for maintenance, debugging, and development wo | 11 | Claude Code | 2 | 688 tok |
| ezhou89/medical-research-mcp-suite AI-Enhanced Medical Research API unifying ClinicalTrials.gov, PubMed, and FDA databases wi | 11 | Claude Code | 1 | 2,349 tok |
| Tai-DT/mcp-tailwind-gemini MCP Tailwind Gemini - AI-powered CSS generation and framework integration tool | 11 | GitHub Copilot | 1 | 494 tok |
| aryaminus/controlkeel controlkeel.com Agent control plane for governed AI coding: validate changes, enforce policy gates, track | 11 | Codex, OpenCode | 1 | 2,338 tok |
| lilepeeps/Azure-DrawIO-MCP Generate editable Draw.io diagrams for Azure architectures via MCP | 11 | Claude Code, Codex, GitHub Copilot | 2 | 2,006 tok |
| sack-kazu/UnityNaturalMCPExtensionTools | 11 | Claude Code | 1 | 2,682 tok |
| chat-prompt/notion-mcp-fast | 11 | Claude Code | 1 | 1,013 tok |
| ymxfl/dom-pointer-mcp DOM Pointer MCP bridges the gap between browsers and AI coding tools. Instead of manually | 11 | Claude Code | 1 | 1,330 tok |
| Mzaxd/dm8-mcp Dameng Database MCP | 11 | Codex, OpenCode | 1 | 926 tok |
| swen128/cloud-logging-mcp MCP server for querying Google Cloud Logging | 11 | Claude Code | 1 | 534 tok |
| ajevans99/swift-mcp-toolkit Strongly typed MCP tools in Swift | 11 | Codex, OpenCode | 1 | 365 tok |
| wmill/minecraft-api-mcp | 11 | Claude Code, Codex, OpenCode | 2 | 14,865 tok |
| mosif16/Doc-Mcp | 11 | Claude Code | 1 | 8,572 tok |
| mattjoyce/mcp-construe A FastMCP server that loads personal context from Obsidian vaults using frontmatter filter | 11 | Claude Code | 1 | 1,755 tok |
| babushkai/claude-code-config Production-ready Claude Code configuration defaults. Hooks, Skills, Rules, Permissions, MC | 11 | Claude Code | 11 | 389 tok |
| controlplane-com/ai-plugin controlplane.com AI assistant plugin for Control Plane: Claude Code, Codex, Antigravity, and MCP workflows | 11 | Claude Code | 1 | 2,273 tok |
| chriscox/agent-skills Reusable skills for AI coding agents — Claude Code, Codex, Gemini CLI, and OpenClaw | 11 | Claude Code | 1 | 1,200 tok |
| rcampos09/performance-testing-skills rodrigo-campos.dev Open-source Claude Code skills for performance and load testing. Install any skill to get | 11 | Claude Code | 1 | 1,963 tok |
| nasqret/lean-interact Interactive Lean 4 + Mathlib formalization from a Claude Code conversation | 11 | Claude Code | 7 | 4,212 tok |
| aimerdoux/wavex-os Open-source operating system for running an AI agent company on your own machine. Clone, r | 11 | Claude Code | 1 | 2,420 tok |
| PsYcGoD/sage SAGE — Save AI coding tokens by compressing terminal output, keeping raw logs local, and t | 11 | Claude Code, Codex, OpenCode | 2 | 1,620 tok |
| Nauro-AI/nauro nauro.ai Decision system for software built with AI | 11 | Claude Code, Codex | 6 | 3,987 tok |
| petergaultney/lemonaid 🍋🥤 When life gives you LLMs... | 11 | Codex, OpenCode | 1 | 1,232 tok |
| arpitkath/backstory Local-first memory for AI-assisted coding. Git shows what changed. Backstory shows why. | 11 | Claude Code | 3 | 723 tok |
| JHostalek/dotclaude jhostalek.github.io Agent skills for agentic coding tools. Extremely opinionated. Updated (almost) daily. | 11 | Claude Code | 1 | 102 tok |
| aperepel/claude-mlx-tts Voice-cloned smart attention TTS notifications for Claude Code. AI summarizes deep work se | 11 | Claude Code, Codex, OpenCode | 2 | 1,097 tok |
| aiagentwithdhruv/ai-dev-stack Production-grade AI coding rules for Cursor and Claude Code. 15 rules + 9 doc templates + | 11 | Claude Code | 1 | — |
| crevissepartners/projmux A tmux-native workspace for multi-agent AI development across Claude Code, Codex, and An | 11 | Codex, OpenCode | 1 | 3,118 tok |
| Smart-AI-Memory/attune-ai attune-ai.dev Persistent memory and receipt-verified workflows for Claude Code — plugin, MCP server, and | 11 | Claude Code, Codex, OpenCode | 51 | 6,049 tok |
| zircote-plugins/sdlc-quality Software Development Lifecycle standards plugin for AI coding assistants. Enforces build, | 11 | Codex, GitHub Copilot, OpenCode | 2 | 2,660 tok |
| 2389-research/ccvault 2389.ai Archive, search, and analyze Claude Code conversation history through a CLI, terminal UI, | 11 | Claude Code | 1 | 419 tok |
| Writbase/writbase MCP-native task management for AI agent fleets | 11 | Claude Code | 1 | 293 tok |
| sigilco/agentplugins agentplugins.pages.dev Write AI agent plugins once, ship to multiple agents (Claude Code, OpenCode, Pi, and more) | 11 | Codex, OpenCode | 1 | 352 tok |