22,109 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 agents7,557Claude Code6,620Data and AI3,682Backend and APIs3,496Languages3,401Planning3,217Git and workflow3,165Code review2,733Testing2,364Memory and context2,364DevOps and cloud2,310Writing and docs2,303Research2,297Frontend2,252Security2,013Productivity1,710
All Claude Code31,977 Codex23,157 OpenCode22,109 GitHub Copilot3,551 Gemini CLI1,917 Cursor1,739 Windsurf129 Kiro79
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| thematters/matters-web matters.town Implementation of the Matters.Town website | 86 | Claude Code, Codex, OpenCode | 2 | 893 tok |
| paleo/alignfirst Companion products for AI-assisted software work. | 86 | Claude Code, Codex, OpenCode | 2 | 769 tok |
| andforce/Openclaude | 86 | Claude Code, Codex, OpenCode | 2 | 3,910 tok |
| charliehzm/medharness Keep all LLM traffic for medical institutions secure: PHI never leaves the system · models | 86 | Claude Code, Codex, OpenCode | 26 | 2,783 tok |
| CloudLLM-ai/mentisdb mentisdb.com Memory that lasts and compounds. MentisDB gives agents durable memory so they do not just | 86 | Codex, OpenCode | 1 | 176 tok |
| stabgan/openrouter-mcp-multimodal npmjs.com MCP server for OpenRouter — chat with 300+ LLMs (Claude, Gemini, GPT), analyze images / au | 86 | Codex, OpenCode | 1 | 793 tok |
| tkellogg/open-strix Why can't an AI agent harness ship systems thinking as a skill? | 86 | Codex, OpenCode | 1 | 156 tok |
| hookdeck/webhook-skills Webhook integration skills for AI coding agents (Claude Code, Cursor, Copilot). Step-by-st | 86 | Codex, OpenCode | 1 | 7,872 tok |
| NVIDIA/elements nvidia.github.io NVIDIA Design System and UI Agent Harness for AI/ML Factories, Robotics, and Autonomous Ve | 86 | Claude Code, Codex, OpenCode | 31 | 3,069 tok |
| WayneJin0918/Omni-Rewriter waynejin0918.github.io Open agentic prompt-expansion harness for image and video generation, bridging polished de | 86 | Codex, Cursor, OpenCode | 4 | 141 tok |
| nuyoah-ai-works/nuyoah-image-reverse-prompt Nanyuan image reverse-engineering Agent Skill: breaks reference images down into structura | 86 | Codex, OpenCode | 1 | 681 tok |
| moonbitlang/openseek openseek-api.moonbitlang.cn DeepSeek-backed MoonBit coding agent. | 86 | Codex, OpenCode | 1 | 877 tok |
| plasma-ai/wiki Indexed knowledge bases with command-line tools for agents. | 86 | Claude Code, Codex, OpenCode | 2 | 4,453 tok |
| watt-mind/coach coachwatts.com Your open source AI coach and unified fitness dashboard. | 86 | Claude Code, Codex, Gemini CLI, OpenCode | 19 | 3,616 tok |
| DheerG/swarms Achieve extraordinary results with claude code across a variety of tasks | 85 | Claude Code, Codex, OpenCode | 3 | 4,409 tok |
| Dicklesworthstone/flywheel_connectors Mesh-native protocol and Rust connector library for secure AI agent integration with exter | 85 | Claude Code, Codex, OpenCode | 2 | 11,320 tok |
| tekugo/zeichenwerk Go console user interface library based on tcell | 85 | Claude Code, Codex, OpenCode | 4 | 7,156 tok |
| compozy/skeeper Version your spec artifacts — PRDs, tech specs, ADRs, AI plans — in a sidecar Git reposito | 85 | Claude Code, Codex, OpenCode | 52 | 6,580 tok |
| autohandai/commander autohand.ai Commander, your AI coding commander centre for all you ai coding cli agents | 85 | Codex, OpenCode | 1 | 2,227 tok |
| honeymux/honeymux hmx.dev All of your agents, shells, and TUIs in one durable terminal workspace | 85 | Claude Code, Codex, OpenCode | 2 | 3,532 tok |
| avivsinai/agent-message-queue File-based message queue for local agent-to-agent communication (Maildir-style) | 85 | Claude Code, Codex, OpenCode | 2 | 3,827 tok |
| hmldns/nautex nautex.ai MCP server for guiding Coding Agents via end-to-end requirements to implementation plan pi | 85 | Claude Code, Codex, OpenCode | 2 | 691 tok |
| AIDotNet/MoYuCode | 85 | Claude Code, Codex, OpenCode | 2 | 3,200 tok |
| mitkox/SkillOpt SkillOpt with local AI is a text-space optimizer that trains reusable natural-language ski | 85 | Codex, OpenCode | 1 | 505 tok |
| Lambenthan/empiricalwiki AI knowledge base for empirical research in economics and management — a complete pipeline | 85 | Claude Code, Codex, OpenCode | 31 | 4,874 tok |
| cesarandreslopez/sidekick-agent-hub cesarandreslopez.github.io See what your AI coding agent is doing. Multi-provider assistant & session monitor for VS | 85 | Claude Code, Codex, OpenCode | 2 | 8,364 tok |
| Dicklesworthstone/coding_agent_usage_tracker Single CLI to monitor LLM provider usage across Codex, Claude, Gemini, Cursor, and Copilot | 85 | Codex, OpenCode | 1 | 9,384 tok |
| branchbox/branchbox branchbox.dev Parallel, isolated dev environments for humans and AI coding agents. Real containers. Real | 85 | Claude Code, Codex, OpenCode | 3 | 7,967 tok |
| zhaji2333/CkSKILLS An SRC vulnerability-hunting Agent skill system based on Claude Code / Codex — system-leve | 85 | Claude Code, Codex, OpenCode | 22 | 6,861 tok |
| ArihantDeva/heimdall npmjs.com A lightweight CPU only memory approach with ranked retrieval. Simple, yet effective. | 85 | Codex, OpenCode | 1 | 3,486 tok |
| keyline-icons/keyline-icons keylineicons.com Free MIT icons on one 24×24 grid, in stroke, duotone and fill. Built for shadcn/ui. | 85 | Codex, OpenCode | 1 | 1,495 tok |
| Zfinix/aster withaster.dev An open-source agent harness for software work. | 85 | Codex, OpenCode | 1 | 2,676 tok |
| quran/quran-mcp mcp.quran.ai | 85 | Claude Code, Codex, Gemini CLI, OpenCode | 5 | 4,674 tok |
| mmacpherson/tenforty Python library to compute US federal taxes, and state taxes for some states. | 85 | Claude Code, Codex, OpenCode | 5 | 2,688 tok |
| petergpt/codex-pet-limit-rings Usage-limit rings for Codex pets. | 84 | Codex, OpenCode | 1 | 313 tok |
| yxhpy/comfy-prompt-studio AI image-generation web application — Ollama/Gemini prompt enhancement + ComfyUI workflows | 84 | Claude Code, Codex, OpenCode | 2 | 4,837 tok |
| cl-ai-project/cl-mcp | 84 | Claude Code, Codex, OpenCode | 5 | 1,925 tok |
| Asklear/Klear-Team-Brain Turn your team's AI coding sessions, GitHub code, and docs into one shared, searchable mem | 84 | Codex, OpenCode | 1 | 226 tok |
| jmrplens/TFG-TFM_EPS jmrp.io Plantilla LaTeX para la elaboración de TFG y TFM en la Escuela Politécnica Superior de la | 84 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 11,314 tok |
| fitlab-ai/agent-infra Collaboration infrastructure for AI coding agents | Collaboration infrastructure for AI co | 84 | Claude Code, Codex, OpenCode | 80 | 3,515 tok |
| lirantal/ls-mcp List MCP Server configurations in your system used by AI applications like Cursor, Claude | 84 | Codex, OpenCode | 1 | 357 tok |
| nikhilvallishayee/universal-pattern-space patternspace.ai Pattern Space: Where Minds Dance Together | 84 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 5,156 tok |
| vantage-sh/vantage-mcp-server vantage.sh MCP Server to fetch costs and usage data from your Vantage account. | 84 | Claude Code, Codex, OpenCode | 3 | 1,411 tok |
| joelhooks/pi-tools 🔧 Power tools for pi — repo autopsy, tsgo LSP, codex background loops, session reader, an | 84 | Claude Code, Codex, OpenCode | 2 | 388 tok |
| FlorianBruniaux/starmapper starmapper.bruniaux.com Paste a GitHub repo URL and see where your stargazers live on an interactive world map. Fr | 84 | Claude Code, Codex, OpenCode | 54 | 5,023 tok |
| Dais-Project/Dais Your Desktop AI Staffs. | 84 | Codex, OpenCode | 1 | 5,445 tok |
| shyftlabs/continuum docs.continuum.shyftlabs.io Continuum — the agent runtime by ShyftLabs. Build, orchestrate, ship. | 84 | Claude Code, Codex, OpenCode | 13 | 6,521 tok |
| hoangsonww/AI-Agents-Orchestrator hoangsonww.github.io 🪈 Intelligent orchestration system that coordinates multiple AI coding assistants (Claude | 84 | Claude Code, Codex, OpenCode | 19 | 1,736 tok |
| andrewstellman/quality-playbook The Quality Playbook is an open-source skill that turns AI coding agents into rigorous qua | 84 | Codex, OpenCode | 1 | 9,416 tok |
| Humblytics/humblytics-marketing-skills Hosted MCP server and 12 marketing skills for Claude and Codex. Give your agent live web a | 84 | Codex, OpenCode | 1 | 973 tok |