44,969 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 agents8,530Claude Code6,887Git and workflow3,618Data and AI3,582Backend and APIs3,558Languages3,485Planning3,325Code review2,903Testing2,691DevOps and cloud2,482Writing and docs2,481Memory and context2,373Research2,322Frontend2,310Security2,179Project management1,971
All Claude Code32,523 Codex24,842 OpenCode23,761 GitHub Copilot3,723 Gemini CLI2,038 Cursor1,771 Windsurf201 Kiro116
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| claude-market/marketplace Open source, hand-curated marketplace for Claude Code tools, agents and skills. | 27 | Claude Code | 1 | 1,355 tok |
| tobyilee/course-builder AI multi-agent harness that plans, designs, and produces online courses (slides + notes + | 27 | Claude Code | 21 | 1,272 tok |
| jdm4pku/RE-Skills Requirements Engineering Skills for Claude Code, Cowork, Codex, and AI agents. | 27 | Claude Code, Codex, OpenCode | 3 | 2,759 tok |
| hoangsonww/Forge-Agentic-Coding-CLI hoangsonww.github.io 🦄 Forge - a local-first, multi-agent software-engineering runtime that runs Claude Code / | 27 | Claude Code, Codex, OpenCode | 29 | 4,020 tok |
| hhtttttiger/AgentLabKit AgentLabKit — a full-stack enterprise solution for multi-agent systems, deterministic work | 27 | Claude Code, Codex, OpenCode | 2 | 865 tok |
| oceanjustinlin/qimen qimendao.com AI-based Qimen Dunjia online chart generation, situation analysis, conclusion analysis, an | 27 | Claude Code, Codex, OpenCode | 9 | 76 tok |
| uetzel/AutoADHD | 27 | Claude Code, Codex, OpenCode | 4 | 5,454 tok |
| tasteray/skills api.tasteray.com TasteRay skills for psychological profiling through natural conversation | 27 | Claude Code | 1 | 1,259 tok |
| Italian-Builders-Org/magistra Open-source Italian legal platform | 27 | Claude Code, Codex, OpenCode | 3 | 1,925 tok |
| jinyh/nsfc-review A simulated peer-review self-check tool specifically designed for National Natural Science | 27 | Claude Code | 1 | — |
| axot/OpenSuperMLX macOS app for real-time audio transcription powered by MLX on Apple Silicon | 27 | Claude Code, Codex, OpenCode | 2 | 7,198 tok |
| ModelContextProtocol-Security/mcpserver-audit mcpserver-audit: Helps you check if MCP servers are safe before using them. Examines serve | 27 | Claude Code | 1 | 1,502 tok |
| roypadina/LanGuard apps.roypadina.synology.me Free macOS menu-bar app: Wi-Fi off when you plug in Ethernet, back on when you unplug. Wak | 27 | Claude Code | 1 | 2,983 tok |
| sourceant/sourceant sourceant.ai Persistent memory for AI coding agents: decisions, rules, API contracts, and system topolo | 27 | Codex, OpenCode | 1 | 142 tok |
| ShulkwiSEC/bb-huge bb-huge 🤗 , Personal bug bounty findings hub and bug bounty orchestration for multiple ag | 27 | Claude Code | 1 | 1,676 tok |
| mareurs/codescout mareurs.github.io High-performance coding agent toolkit MCP server — IDE-grade code intelligence for LLMs | 27 | Claude Code | 1 | 3,083 tok |
| stevengonsalvez/agents-in-a-box stevengonsalvez.github.io context engineering for agentic coding | 27 | Claude Code, Codex, OpenCode | 6 | 729 tok |
| awaithumans/awaithumans-human-in-the-loop-ai-agents awaithumans.dev Pause your AI agent. Ask a human. Resume with their answer. Open source human-in-the-loop | 27 | Claude Code | 1 | 4,501 tok |
| asyncswap/solidity-language-server solidity-language-server-docs.pages.dev A fast Solidity language server powered by solc and foundry. | 27 | Codex, OpenCode | 1 | 3,184 tok |
| ctxpipe-ai/ctxpipe ctxpipe.ai Git-backed context for coding agents. Your code, tickets, docs and incidents become Markdo | 27 | Claude Code, Codex, OpenCode | 67 | 6,265 tok |
| hong-kailin/OpenCodeFromScratch A line-by-line recreation of the open-source AI coding agent opencode, evolving from a min | 27 | Codex, OpenCode | 1 | 3,661 tok |
| Fantety/next-engine nextengine.net Next Engine – Multi-platform 2D and 3D game engine with AI | 27 | Codex, OpenCode | 1 | 314 tok |
| salesforce-ux/design-system-2-starter-kit salesforce-ux.github.io | 27 | Claude Code, Codex, OpenCode | 4 | 1,523 tok |
| atorber/qmt-trading-skill atorber.github.io Combines a lightweight **QMT Bridge** API service (wrapping [xtquant](https://dict.thinktr | 27 | Claude Code | 1 | 190 tok |
| birgitta410/sensors-cli | 27 | Claude Code, Codex, OpenCode | 8 | 142 tok |
| rsp2k/mcp-vultr A comprehensive Model Context Protocol (MCP) server for managing Vultr services through na | 27 | Claude Code | 1 | 2,163 tok |
| krzysztofsurdy/code-virtuoso Skills, sub-agents, and playbooks for Claude Code, Cursor, and any Agent Skills-compatible | 27 | Claude Code, Codex, OpenCode | 2 | 5,711 tok |
| eunsanMountain/atlassian-skills pypi.org Token-efficient CLI for Atlassian Server/DC (Jira, Confluence, Bitbucket) — drop-in altern | 27 | Claude Code, Codex, OpenCode | 2 | 2,007 tok |
| Varalix-Digitech-Solutions/clone-team claude.com 🧬 Clone any website with a team of AI agents — pixel-perfect UI clone + reverse-engineere | 27 | Claude Code | 1 | 2,979 tok |
| kombohq/company-brain Template for creating a long-term sync hub that checks your company's data sources into Gi | 27 | Claude Code, Codex, OpenCode | 2 | 386 tok |
| b1rdmania/claude-brand-skills Claude Code skills for brand development, image generation, and frontend design — built ar | 27 | Claude Code | 1 | 1,514 tok |
| mtbun/storeshots-mcp npmjs.com Store-ready App Store & Google Play screenshots from any MCP client. Device frames, benefi | 27 | Claude Code, Codex, OpenCode | 2 | 1,916 tok |
| mcpmux/mcp-mux mcpmux.com Configure MCP servers once, connect every AI client through a single local gateway | 27 | Claude Code, Codex, OpenCode | 2 | 4,434 tok |
| redhat-ai-americas/memory-hub MemoryHub: Kubernetes-native agent memory component for OpenShift AI | 27 | Claude Code | 20 | 3,860 tok |
| nokkies/ModbusForge ModbusForge — .NET 8 Avalonia Modbus TCP/RTU/ASCII client/server with simulation, trending | 27 | Claude Code, Codex, OpenCode | 2 | 1,115 tok |
| rustfs/launcher rustfs cross-platform launcher | 27 | Codex, Gemini CLI, OpenCode | 2 | 1,326 tok |
| Elio-Liu/JoinQuant-QMT-Trader JoinQuant-QMT-Trader is a lightweight quantitative trading middleware that connects the Jo | 27 | Codex, OpenCode | 1 | 8,882 tok |
| joanseg/specmanager specmanager.org Spec-driven development plugin for Claude Code. SpecManager gives you an agile AI team tha | 27 | Claude Code | 1 | 6,723 tok |
| JeremyDong22/taobao_mcp MCP server for Taobao/Tmall product scraping integration with Claude | 27 | Claude Code | 1 | 473 tok |
| worlyung/exegete Hallucination-resistant Bible exegesis for Claude — Greek, Hebrew, English & Korean. 4-sta | 27 | Claude Code, Codex, OpenCode | 2 | 7,411 tok |
| devfullcycle/mba-ia-greenfield-project | 27 | Claude Code | 32 | 1,208 tok |
| samzong/gmc gmc.samzong.me Parallel git worktrees for parallel AI agents — plus AI-generated commits. | 27 | Codex, OpenCode | 1 | 2,710 tok |
| AI-Riksarkivet/ra-mcp ai-riksarkivet.github.io MCPs for Riksarkivet open APIs. This covers both agents and mcps | 27 | Claude Code | 8 | 10,340 tok |
| thijs-hakkenberg/archimate-mcp An MCP Server for Archimate | 27 | Claude Code | 1 | 1,411 tok |
| coyaSONG/youtube-mcp-server smithery.ai Citation-ready YouTube research for AI agents — transcript search, exact timestamp links, | 27 | Claude Code, Codex, OpenCode | 2 | 1,611 tok |
| eigent-ai/agent-skills eigent.ai Open-Source Cowork Agent Skills Collection | High Quality for Exceptional Productivity | 27 | Claude Code, Codex, OpenCode | 2 | 3,587 tok |
| Kminer2053/demo-video-skill Demo videos created by coding agents — properly showcase your vibe coding results. | 27 | Codex, GitHub Copilot, OpenCode | 2 | 1,441 tok |
| davisjam/model-based-agentic-software-engineering davisjam.github.io Book, website, and skills for MAGE: the Model-Based Agentic Software Engineering framework | 27 | Claude Code, Codex, OpenCode | 2 | 29,298 tok |
| cq27-dev/rag-rat rag-rat.cq27.dev Local repo-intelligence index + MCP server: semantic search, symbol/graph navigation, impa | 27 | Claude Code, Codex, OpenCode | 7 | 3,033 tok |
| daften/fireflyiii-mcp daften.github.io Connect any MCP client to Firefly III — 140 tools via stdio (PAT) or HTTP (OAuth | 27 | Claude Code, Codex, OpenCode | 3 | 14,223 tok |