43,636 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 agents7,571Claude Code6,627Data and AI3,684Backend and APIs3,492Languages3,401Planning3,221Git and workflow3,179Code review2,740Testing2,368Memory and context2,365Writing and docs2,309DevOps and cloud2,308Research2,298Frontend2,256Security2,015Productivity1,715
All Claude Code31,984 Codex23,196 OpenCode22,145 GitHub Copilot3,551 Gemini CLI1,917 Cursor1,736 Windsurf133 Kiro79
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| acolomba/pi-claude-marketplace Access Claude plugin marketplaces from Pi Coding Agent. | 23 | Claude Code | 2 | 2,270 tok |
| jyt6640/persona-harness Continuously refine your project’s engineering philosophy — and keep AI coding agents hone | 23 | Codex, OpenCode | 1 | 768 tok |
| JuandaGarcia/crd-ui crd-ui.juanda.co 💳 A credit & debit card component. Dependency-free, themeable, localizable. One package f | 23 | Codex, OpenCode | 1 | 776 tok |
| caio-moliveira/workshop-agent-harness | 23 | Claude Code | 30 | 1,118 tok |
| sean-galloway/RTLDesignSherpa rtldesignsherpa.com This site is hopefully a springboard for others to learn about coding in System Verilog an | 23 | Claude Code | 26 | 3,737 tok |
| caomengxuan666/cxxmcp A conformance-tested C++17 SDK for Model Context Protocol servers and clients. | 23 | Codex, OpenCode | 1 | 2,073 tok |
| timothywarner-org/az104-cert-buddy techtrainertim.com AI-powered AZ-104 certification study buddy built on GitHub Copilot agents. Generates exam | 23 | Claude Code, Codex, GitHub Copilot | 6 | 2,266 tok |
| koltyakov/browser-bridge 🤖 Browser Bridge for Agentic AI Development - browser extension, MCP, and skilled CLI | 23 | Codex, OpenCode | 1 | 2,959 tok |
| burin-labs/harn harnlang.com Harn is a programming language and runtime for building AI agents. | 23 | Claude Code, Codex, OpenCode | 13 | 3,979 tok |
| Samin12/claude-course | 23 | Claude Code | 1 | 1,213 tok |
| thangphan205/tacacs-ng-ui tacacs.9ping.cloud Modern web UI for tac_plus-ng TACACS+: AAA log auditing, trend dashboards, alerting, anoma | 23 | Claude Code | 1 | 5,052 tok |
| Lotus0614/ComfyUI-APP-MCP a comfyui plugin to transform APP Mode workflow to MCP | 23 | Codex, OpenCode | 1 | 635 tok |
| bloom-directory/bloom bloom.directory Agent-native finance starts with your filesystem. | 23 | Codex, OpenCode | 1 | 866 tok |
| sabbirba/preconnect preconnect.app Flutter app for BRAC University students with SSO login and Connect API integration. | 23 | Claude Code, Codex, OpenCode | 3 | 1,471 tok |
| cpatrickalves/plane-cli A command-line interface for https://plane.so, an open-source project management tool. The | 23 | Codex, OpenCode | 1 | 1,512 tok |
| SAP/astonish sap.github.io Multi-tenant AI agent platform for teams: Studio, CLI, shared memory, reusable flows, gene | 23 | Claude Code, Codex, OpenCode | 2 | 2,382 tok |
| flamexnreal/davinci-resolve-ai-bridge-mcp DaVinci Resolve (Free and Studio) MCP server for Claude, Cursor, Codex, and Antigravity. F | 23 | Codex, OpenCode | 1 | 777 tok |
| cubexch/ai-fund cube.exchange AI trading desk with 42 hedge fund agents for Claude Code. Trade crypto & stocks like Jame | 23 | Claude Code | 1 | 6,121 tok |
| Xsxdot/handoff handoff.gosuper.dev Delegate implementation plans to another AI for execution while you only review — a pure C | 23 | Claude Code | 2 | — |
| sbroenne/mcp-server-powerpoint powerpointmcpserver.dev Automate real Microsoft PowerPoint with AI via MCP Server or CLI - slides, shapes, tables, | 23 | Claude Code, Codex, GitHub Copilot, OpenCode | 10 | 7,694 tok |
| MP-Tool/komodo-mcp-server Model Context Protocol Server for Komodo 🦎 - Enables AI assistants to interact with Docke | 23 | GitHub Copilot | 7 | 8,917 tok |
| Soushi888/holochain-agent-skills soushi888.github.io Agent skills for Holochain hApp development on Holochain 0.7. Agent Skills Open Standard: | 23 | Claude Code, Codex, OpenCode | 2 | 3,586 tok |
| geekjourneyx/industry-research A professional industry research Skill that turns industry, sector, and company questions | 23 | Claude Code, Codex, OpenCode | 2 | 2,550 tok |
| Hereon-InstituteMS/OASiS OASiS — an open-source agentic framework for verified multi-physics, multi-code simulation | 23 | GitHub Copilot, Cursor | 2 | 1,572 tok |
| giang6283623/minimal-vibe-coding-kit A lightweight, reusable kit of shared rules, skills, and agent/command prompts for AI-assi | 23 | Claude Code, Codex, OpenCode | 3 | 2,420 tok |
| martinholovsky/SOTA-skills probably.group Engineering best practices that AI coding agents actually apply — 40+ skills, from secure | 23 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 3,532 tok |
| j4flmao/agent-skills | 23 | Claude Code, GitHub Copilot, OpenCode | 12 | 1,197 tok |
| daften/fireflyiii-mcp daften.github.io Connect any MCP client to Firefly III — 140 tools via stdio (PAT) or HTTP (OAuth | 23 | Claude Code, Codex, OpenCode | 3 | 10,162 tok |
| vermont42/iOS-Design-Agent-Skill This is a design-critique skill and plugin that allows coding agents to apply rigorous aes | 23 | Codex, OpenCode | 1 | 151 tok |
| BeppeTemp/cartographer beppetemp.github.io MCP governance server in Go for the Agentic Wiki — knowledge that composes, not that you q | 23 | Claude Code, Codex, OpenCode | 4 | 1,999 tok |
| wananing/Smart-Health-Assistant An open-source general health AI assistant inspired by Ant Afu, based on LangGraph + FastA | 23 | Codex, OpenCode | 1 | 671 tok |
| ultralytics/skills ultralytics.com Agent skills for Ultralytics YOLO, covering models, datasets, training, tuning, inference, | 23 | Claude Code, Codex, OpenCode | 2 | 1,717 tok |
| LaohuAD/laohu-ai-visual runninghub.ai $0.047/s or ¥0.3/s seedance2 low price | 23 | Codex, OpenCode | 1 | 7,529 tok |
| tokuhirom/mutsu tokuhirom.github.io | 23 | Claude Code, Codex, OpenCode | 14 | 24,010 tok |
| KbWen/agent-virtual-office 🏢 Watch your AI coding agents live their office life — Claude Code, Codex & Gemini show u | 23 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 62 | 4,798 tok |
| olafkfreund/nixos_config My private nixos_config | 23 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 72 | 4,748 tok |
| SonicGarden/sgcop | 23 | Claude Code | 3 | 494 tok |
| SAP-samples/sap-community-activity-badges Display your SAP Community public activity, badges, and Devtoberfest contest progress as g | 23 | Claude Code, GitHub Copilot | 6 | 4,095 tok |
| Elnora-AI/elnora-ai-agent-hackathon-starter-kit Run one command, follow the instructions, and get your first AI agents up and running — Cl | 22 | Claude Code, Codex, OpenCode | 3 | 3,892 tok |
| motormetrics/motormetrics motormetrics.app Monorepo for SG Cars Trends backend services | 22 | Claude Code, Codex, OpenCode | 57 | 1,636 tok |
| gemini-cli-extensions/vertex A Gemini CLI extension provides tools to manage prompts in Vertex AI | 22 | Gemini CLI | 1 | 5,598 tok |
| SShadowS/tree-sitter-al Tree-sitter parser for AL | 22 | Claude Code | 5 | 7,586 tok |
| itsmostafa/llm-engineering-skills LLM Engineering Claude Skills | 22 | Claude Code | 1 | 524 tok |
| sttts/slagent Claude talking to Slack | 22 | Claude Code, Codex, OpenCode | 2 | 2,183 tok |
| eznix86/mcp-gateway Too much tools in context. Use a gateway | 22 | Codex, OpenCode | 1 | 770 tok |
| ivanlucky22/nAItmare A template that brings order to the chaos of multi-agent development - ensuring every AI t | 22 | Codex, OpenCode | 1 | 427 tok |
| 0XFF-96/Perth-Agent-Con-Workshop | 22 | Claude Code, Codex, GitHub Copilot | 35 | 1,739 tok |
| tarnish233/gitpic GitHub image-hosting CLI tool: upload local or clipboard images, generate Markdown links, | 22 | Codex, OpenCode | 1 | 4,708 tok |
| lucasfevi/tbh-companion lucasfevi.github.io Read-only desktop companion for TBH: Task Bar Hero — live XP/gold rates, inventory valuati | 22 | Claude Code, Codex, OpenCode | 5 | 1,776 tok |
| pjvds/dotfiles 13 years of configuration history. Currently holding Arch Linux and tooling configuration. | 22 | GitHub Copilot | 1 | 4,266 tok |