45,012 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 agents8,549Claude Code6,896Git and workflow3,630Data and AI3,579Backend and APIs3,559Languages3,491Planning3,321Code review2,909Testing2,691DevOps and cloud2,492Writing and docs2,490Memory and context2,374Research2,321Frontend2,311Security2,183Project management1,977
All Claude Code32,540 Codex24,898 OpenCode23,819 GitHub Copilot3,723 Gemini CLI2,039 Cursor1,772 Windsurf202 Kiro116
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| iicmaster/antigravity-plugins Open-source Claude Code and Codex plugin adapters for the Antigravity CLI | 7 | Codex, OpenCode | 1 | 355 tok |
| kkhgeo/METASCI Paper PDF Knowledge Extraction and Academic Writing – Claude Code Plugin | 7 | Claude Code | 1 | 1,621 tok |
| ivan-magda/claude-superpowers Personally curated and maintained collection of Claude Code plugins | 7 | Claude Code, Codex, OpenCode | 2 | 158 tok |
| JoshuaOliphant/claude-plugins Claude Code plugin marketplace - productivity and learning plugins | 7 | Codex, OpenCode | 1 | 2,838 tok |
| futuregerald/futuregerald-claude-plugin | 7 | Claude Code | 1 | 6,375 tok |
| shiiman/claude-code-plugins | 7 | Claude Code, Codex, GitHub Copilot, OpenCode | 9 | 4,554 tok |
| Lab2A/metalworks Open-source marketing research + Reddit engagement library. Demand reports from real conve | 7 | Claude Code | 2 | 554 tok |
| romain325/opencode-hooks-plugin Use claude code hooks definition in opencode. | 7 | Claude Code, OpenCode | 1 | — |
| easingthemes/dx-aem-flow AI-powered development plugins for Claude Code & Copilot CLI — requirements to PR workflow | 7 | Claude Code, Codex, Gemini CLI, OpenCode | 5 | 12,015 tok |
| josephfung/strategy-os A Claude plugin that turns scattered strategy artifacts into a testable, executable system | 7 | Claude Code | 1 | 1,168 tok |
| shandar/trace affordance.design Every decision traced from intent to ship. A Claude Code plugin that keeps your PRD in syn | 7 | Claude Code | 4 | — |
| akahkhanna/groundtruth Groundtruth — a Claude Code plugin that audits whether an agent actually did what it was a | 7 | Claude Code | 1 | 2,531 tok |
| timmx7/acheron-mcp-server MCP server bridging context between Claude Chat, Code, and Cowork | 7 | Claude Code | 1 | 2,957 tok |
| bitflight-devops/skilllint The best platform agnostic Linter for AI agent plugins and skills — validates structure, f | 7 | Claude Code, Codex, OpenCode | 6 | 4,008 tok |
| haoyifan/Silicon-Pantheon siliconpantheon.com Silicon Pantheon - Tactics game played by AI agents coached by human | 7 | Claude Code | 2 | — |
| josefcohernandez/Curso-desarrollo-software-con-Claude-Code Curso completo de Claude Code en español: módulos de principiante a experto. Contexto, MCP | 7 | Claude Code | 1 | 586 tok |
| nguyenvanduocit/confluence-mcp A Go-based Model Context Protocol (MCP) server for integrating AI assistants with Atlassia | 7 | Claude Code | 1 | 825 tok |
| HigorAlves/orc orc.novacstack.com One command from “I want X” to a merged PR. | 7 | Claude Code, Codex, OpenCode | 2 | 420 tok |
| aws-geospatial/amazon-location-agent-context Amazon Location Service context for AI coding assistants — available as Kiro Powers, Claud | 7 | Claude Code, Codex, OpenCode | 2 | 2,436 tok |
| phkus/tinderbox-mcp An MCP server for interacting with the knowledge management tool Tinderbox. | 7 | Claude Code | 1 | 1,106 tok |
| alexanderop/plausible-mcp MCP for interacting with the Plausible API | 7 | Claude Code | 5 | — |
| sumithr/sumo-qa pypi.org MCP server that brings senior-QA discipline to AI coding assistants — test planning, TDD, | 7 | Claude Code, Codex, GitHub Copilot, OpenCode | 9 | 2,650 tok |
| bshandley/homelab-mcp MCP server for homelab management - Docker, OPNsense, and TrueNAS integration | 7 | Claude Code | 1 | 1,839 tok |
| baocin/claude-code-config My personal ~/.claude commands and *.md configs. | 7 | Claude Code | 1 | 848 tok |
| Honeyfield-Org/eurlex-mcp-server | 7 | Claude Code | 1 | 4,320 tok |
| BeckhamLabsLLC/linux-desktop-mcp | 7 | Claude Code | 1 | 658 tok |
| yangfch3/Unity-MCP-Server MCP server plugin for Unity Editor — expose Editor capabilities to AI agents via standard | 7 | Kiro | 4 | 1,877 tok |
| cristianoaredes/mcp-senado MCP server for Brazilian Federal Senate (Senado Federal) Open Data API - Access legislativ | 7 | Claude Code, Codex, OpenCode | 2 | 3,769 tok |
| MitsudoAI/guru-pk-mcp mitsudoai.github.io Multi-round AI expert debate system via MCP - Three thought leaders engage in deep discuss | 7 | Claude Code | 1 | — |
| sminnee/lsp-mcp MCP server for LSP - providing IDE refactoring capabilities to coding agents | 7 | Claude Code | 3 | 1,383 tok |
| yuly3/mcp-snowflake Model Context Protocol (MCP) server for Snowflake database connectivity and SQL query exec | 7 | Codex, OpenCode | 1 | 69 tok |
| Whatsonyourmind/deckforge landing-two-beta-63.vercel.app Executive-ready slides, one API call away. API-first AI presentation engine with 32 slide | 7 | Claude Code | 1 | 2,210 tok |
| pwelty/mcp_trilium paulwelty.com 🌳 Model Context Protocol (MCP) server for Trilium Notes - Connect your knowledge base to | 7 | Claude Code, Codex, OpenCode | 2 | 181 tok |
| sandraschi/filesystem-mcp FastMCP 3.2.0+ server plus webapp for comprehensive file system operations, Git repository | 7 | Claude Code, Codex, GitHub Copilot, Cursor, OpenCode, Windsurf | 8 | 1,626 tok |
| chapmanjw/rutherford-mcp-server Give your AI agent a crew. Model Context Protocol (MCP) tool to delegate, consensus build, | 7 | Claude Code, Codex, OpenCode | 2 | 1,994 tok |
| Cosmicjedi/windows-admin-mcp MCP Server for Windows Server Administration - Remote troubleshooting via RDP protocol wit | 7 | Claude Code | 1 | 988 tok |
| glassBead-tc/widescreen-research bidirectional MCP server orchestrating an army of research drones on Cloud Run in GCP | 7 | Claude Code | 42 | 2,046 tok |
| Graph-tl/graph Agent-native persistent task graph. MCP server for agent planning and execution across ses | 7 | Claude Code | 3 | 1,011 tok |
| hkopenai/hk-climate-mcp-server This is an MCP server that provides access to climate and weather data through a FastMCP i | 7 | Gemini CLI | 1 | 356 tok |
| zealoushacker/aviation-weather-mcp MCP server for aviation weather from https://aviationweather.gov/data/api/ | 7 | Claude Code | 1 | 498 tok |
| The-Swarm-Corporation/mcp-scribe swarms.ai Point it at an OpenAPI schema. Get an MCP server. | 7 | Claude Code | 1 | 2,113 tok |
| SlideSpeak/slidespeak-onbrand slidespeak.co Design context for AI agents | 7 | Claude Code, Codex, OpenCode | 7 | 186 tok |
| AlexMost/neuro-vault Your knowledge in like a USB drive | 7 | Claude Code, Codex, OpenCode | 10 | 985 tok |
| PsychQuant/che-word-mcp Swift-native MCP server for Microsoft Word (.docx) — 233 tools, the first pure-Swift OOXML | 7 | Claude Code | 1 | 1,295 tok |
| cyberpapiii/imessage-max MCP server for iMessage - AI-optimized tools for reading and sending messages | 7 | Claude Code, Codex, OpenCode | 2 | 7,544 tok |
| mahadansar/sol-luna-orchestrator npmjs.com Adaptive orchestration for OpenAI Codex — decide when to delegate, route bounded work to i | 7 | Codex, OpenCode | 1 | 885 tok |
| ityes22/game-design-document Anthropic Agent Skill: generates professional, publisher-grade Game Design Documents (.doc | 7 | Claude Code | 1 | 524 tok |
| anishmoncivarghese/docsift Convert documents once. Give agents only what they need — PDFs and Office files to clean M | 7 | Claude Code | 1 | 718 tok |
| yagyeshVyas/VibeGuard vibe-guard-site-ivory.vercel.app Free security & privacy scanner for AI-coded apps. 766 rules, 84 MCP tools, 13-layer defen | 7 | Claude Code | 2 | — |
| EYamanS/chisel An MCP server that lets AI agents build, edit, render, and export real 3D models from prim | 7 | Claude Code, Codex, OpenCode | 2 | 404 tok |