43,652 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 agents7,588Claude Code6,636Data and AI3,676Backend and APIs3,496Languages3,402Planning3,219Git and workflow3,187Code review2,745Testing2,374Memory and context2,364DevOps and cloud2,310Writing and docs2,309Research2,295Frontend2,261Security2,021Productivity1,715
All Claude Code31,998 Codex23,222 OpenCode22,170 GitHub Copilot3,550 Gemini CLI1,918 Cursor1,738 Windsurf137 Kiro80
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| muloka/claude-plugins jj (Jujutsu) plugins for Claude Code that keep coding agents on jj — hard-wall git enforce | 7 | Claude Code | 7 | 1,377 tok |
| reggiechan74/cc-plugins Claude Code Plugin marketplace | 7 | Claude Code | 1 | 420 tok |
| chapmanjw/minecraft-java-fabric-claude-plugin Claude Plugin with Skills and Agents for the MCP Server Mod for Minecraft Java Edition and | 7 | Claude Code | 1 | 2,351 tok |
| WolframInstitute/ClaudePluginComputationalResearch Wolfram-centric Claude plugin for AI-assisted computational research | 7 | Claude Code | 1 | 1,644 tok |
| jawhnycooke/claude-plugins Directory of high quality Claude Code Plugins. | 7 | Claude Code | 1 | 1,001 tok |
| cdeistopened/kdp-kings-wiki Ask KDP Kings — Claude Code plugin for Amazon self-publishing. 12 skills, 15 framework gui | 7 | Claude Code | 1 | 1,406 tok |
| bitflight-devops/skilllint The best platform agnostic Linter for AI agent plugins and skills — validates structure, f | 7 | Claude Code, Codex, OpenCode | 6 | 3,399 tok |
| BENZEMA216/music-analyzer Claude Code plugin — analyze audio files, extract musical features, generate Dreamina prom | 7 | Claude Code | 10 | 632 tok |
| nguyenvanduocit/confluence-mcp A Go-based Model Context Protocol (MCP) server for integrating AI assistants with Atlassia | 7 | Claude Code | 1 | 825 tok |
| ajhcs/healthcare-data-mcp 18 local MCP servers for public healthcare market intelligence: facilities, ownership, qua | 7 | Codex, OpenCode | 1 | 54 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 |
| alexmond/alexmskills alexmond.org A curated Claude Code plugin marketplace of reusable, self-improving skills and agents — e | 7 | Claude Code, Codex, OpenCode | 3 | 6,263 tok |
| microsoft/github-advisory-mcp MCP tools for semantic search in github/advisory-database | 7 | Codex, OpenCode | 1 | 1,159 tok |
| 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 | 2,294 tok |
| essentialproject/essential-view-builder-mcp This MCP (Model Context Protocol) server provides tools and resources for building high-qu | 7 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 373 tok |
| bshandley/homelab-mcp MCP server for homelab management - Docker, OPNsense, and TrueNAS integration | 7 | Claude Code | 1 | 1,839 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 |
| SethGame/mcp_flexsim mcp server for FlexSim | 7 | Codex, OpenCode | 1 | 700 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 |
| danielscholl-osdu/osdu-mcp-server A MCP server that communicates to an OSDU Instance | 7 | Claude Code, GitHub Copilot | 6 | 1,918 tok |
| jazzsequence/5eMCP | 7 | Claude Code, Codex, OpenCode | 2 | 3,626 tok |
| u33pk/mitmproxy-mcp | 7 | Claude Code, Codex, OpenCode | 2 | 4,470 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 | 1,627 tok |
| GangGreenTemperTatum/fbdl-mcp facebook.com MCP Server for Meta Hackers, use agents to create FBDL scripts. FBDL is a tool designed to | 7 | Claude Code, Codex, OpenCode | 5 | 3,464 tok |
| venikman/fpf-memory mcp.fpf.sh Hosted MCP server + slim wiki projection of the First Principles Framework (FPF) by Anatol | 7 | Claude Code, Codex, OpenCode | 2 | 2,838 tok |
| zealoushacker/aviation-weather-mcp MCP server for aviation weather from https://aviationweather.gov/data/api/ | 7 | Claude Code | 1 | 498 tok |
| jinkeda/Illustrator_MCP | 7 | Claude Code, Codex | 1 | — |
| pgmnemo/pgmnemo pgmnemo.com Multi-agent memory substrate for PostgreSQL — provenance-gated, vector-hybrid recall | 7 | Codex, OpenCode | 1 | 8,496 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 |
| jzjzzzzzzz/IntentForge Intent-preserving deterministic CAD pipeline for editable, validated CadQuery models. | 7 | Codex, OpenCode | 1 | 207 tok |
| x746b/mac_forensics-mcp MCP server for macOS Digital Forensics and Incident Response (DFIR) | 7 | Claude Code | 1 | 2,692 tok |
| tough-tongue/toughtongue-skills toughtongueai.com Agent skills and MCP server for Tough Tongue AI. Create voice-agent scenarios, refine them | 7 | Claude Code, Codex, OpenCode | 2 | 2,486 tok |
| jordanburke/joplin-mcp-server | 7 | Claude Code | 1 | 1,061 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 |
| ChainBench/OpenChainBench openchainbench.com Open, reproducible benchmarks for crypto infrastructure: aggregators, bridges, blockcha | 7 | Claude Code, Codex, OpenCode | 3 | 472 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 |
| ToolingTools/SimView simview.dev MCP App that streams a live iOS Simulator / Android device into Codex, Cursor, and Claude | 7 | Codex, OpenCode | 1 | 1,285 tok |
| roian6/apple-health-ai-bridge healthbridge.chanhyo.dev Bring Apple Health to any AI agent—privately. Open-source iPhone app on the App Store, aut | 7 | Codex, OpenCode | 1 | 486 tok |
| plmbr/nui nui.plmbr.dev A multi-agent & multi-harness AI agent management and orchestration system | 7 | Claude Code | 1 | 3,063 tok |
| Mr-AK-AI/agent-office Terminal-native delegation for local CLI agents. Launch and message real agents in isolate | 7 | Claude Code, Codex, OpenCode | 2 | 57 tok |
| Dankosik/go-service-template-rest Go REST API template and Golang microservice boilerplate, AI-native for coding agents, wit | 7 | Claude Code, Codex, OpenCode | 3 | 1,557 tok |
| EveryInc/garbage-man Provider-neutral email review and future-mail cleanup for AI agents | 7 | Claude Code, Codex, OpenCode | 2 | 203 tok |
| Annihilater/token-stats token-stats.com CLI for tracking AI coding token usage & costs across Claude Code, Codex, Cursor, Gemini, | 7 | Codex, OpenCode | 1 | 3,374 tok |
| AstroQore/auspex Watch every AI coding agent running on your Mac — Claude Code, Codex, Cursor, Grok Build, | 7 | Claude Code, Codex, OpenCode | 2 | 4,264 tok |
| dravr-ai/dravr-embacle docs.rs Rust library wrapping 12 AI CLI tools as pluggable LLM providers — with OpenAI API client, | 7 | Claude Code, Codex, OpenCode | 11 | 3,401 tok |
| gabrielzucco/cerebro-inevita inevitasociety.com Company Brain open source: segundo cérebro de negócio local-first que roda no agente de IA | 7 | Claude Code, Codex, Gemini CLI, OpenCode | 23 | 3,950 tok |
| pierreprudh/KLIDE Local-first agent IDE for steering Codex, Claude Code, OpenCode, and local models with vis | 7 | Claude Code, Codex | 1 | 12,534 tok |
| ProblemFactory/vibespace A backend-agnostic web workspace for coding agents (Claude Code, Codex, …) — manage many c | 7 | Claude Code | 1 | 35,140 tok |