23,614 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 agents8,442Claude Code6,875Data and AI3,584Git and workflow3,574Backend and APIs3,550Languages3,468Planning3,315Code review2,876Testing2,653DevOps and cloud2,462Writing and docs2,461Memory and context2,373Research2,315Frontend2,301Security2,167Project management1,944
All Claude Code32,436 Codex24,692 OpenCode23,614 GitHub Copilot3,700 Gemini CLI2,016 Cursor1,769 Windsurf202 Kiro113
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| markrahq/markra markra.app A WYSIWYG Markdown editor with native AI. Fully open source. Free to use. Your data stays | 949 | Codex, OpenCode | 1 | 1,368 tok |
| superdesigndev/superdesign-skill superdesign.dev The design skill for Claude Code, Cursor and any coding agent. Stop shipping AI-slop UI: t | 949 | Claude Code, Codex, OpenCode | 2 | 1,701 tok |
| open-mercato/cezar cezar.run Open-source orchestrator and ADE for running Claude Code, Codex, OpenCode, Pi and other AI | 949 | Claude Code, Codex, OpenCode | 5 | 10,178 tok |
| JuliusBrussee/caveman-code caveman.so Frozen — terminal coding agent measured at 1.93× fewer tokens than Codex CLI. Still works; | 947 | Claude Code, Codex, OpenCode | 2 | 3,776 tok |
| homeassistant-ai/skills Home Assistant skills for agents | 947 | Claude Code, Codex, OpenCode | 3 | 2,884 tok |
| zhoushoujianwork/easyeda-agent eda.daboluo.cc EasyEDA Pro automation: the hands of your AI harness — typed schematic/PCB actions via CLI | 947 | Claude Code, Codex, OpenCode | 5 | 2,957 tok |
| marckohlbrugge/sessy sessy.do Open-source email observability for AWS SES | 945 | Claude Code, Codex, OpenCode | 2 | 1,193 tok |
| modelcontextprotocol/ruby-sdk ruby.sdk.modelcontextprotocol.io The official Ruby SDK for the Model Context Protocol servers and clients. | 945 | Claude Code, Codex, OpenCode | 2 | 1,394 tok |
| retentioneering/retentioneering-tools retentioneering.com Python toolkit, MCP server, and agent skills for reproducible, auditable clickstream and e | 944 | Claude Code, Codex, OpenCode | 2 | 4,070 tok |
| lij768423-svg/grok-register-panel lij768423-svg.github.io Batch Grok registration (Camoufox) + real-time Web monitoring panel | Batch Grok registrat | 944 | Codex, OpenCode | 1 | 2,420 tok |
| cyberkaida/reverse-engineering-assistant MCP server for reverse engineering tasks in Ghidra 👩💻 | 944 | Claude Code, Codex, GitHub Copilot, OpenCode | 7 | 4,872 tok |
| Caldis/react-zmage zmage.caldis.me Turn any <img> into an origin-expand fullscreen React image viewer. | 943 | Claude Code, Codex, GitHub Copilot, Cursor, OpenCode | 9 | 4,403 tok |
| Skyvern-AI/rustwright Playwright's API on a Rust CDP engine — Chromium browser automation for Python & Node, no | 942 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 996 tok |
| milisp/codexia milisp.dev Lightweight Agent Workstation for Codex + Claude code + keke-agent — with dots, task sched | 941 | Codex, OpenCode | 1 | 1,658 tok |
| raphaelsalaja/userinterface-wiki userinterface.wiki A Living Manual for Better Interfaces | 941 | Codex, OpenCode | 1 | 3,650 tok |
| JaguarJack/catch-admin catchadmin.com CatchAdmin is a powerful, extensible modern PHP administration system. It uses a frontend- | 940 | Claude Code, Codex, OpenCode | 11 | 1,778 tok |
| jal-co/shieldcn shieldcn.dev Beautiful README badges, inspired by shields.io and styled like shadcn/ui. | 940 | Codex, OpenCode | 1 | 3,709 tok |
| vercel-labs/ai-cli ai-cli.dev Generate anything from your terminal | 940 | Claude Code, Codex, OpenCode | 2 | 660 tok |
| Yeachan-Heo/clawhip claw + whip: Event-to-channel notification router — bypasses gateway sessions to avoid con | 937 | Codex, OpenCode | 1 | 231 tok |
| awslabs/agent-plugins Agent Plugins for AWS equip AI coding agents with the skills to help you architect, deploy | 937 | Claude Code, Codex, GitHub Copilot, OpenCode | 5 | 3,014 tok |
| FlameskyDexive/Legends-Of-Heroes A battle of balls game, lol style, AI Agents base, supporting agent skills and unityMCP. A | 936 | Claude Code, Codex, OpenCode | 8 | 1,148 tok |
| luckyPipewrench/pipelock pipelab.org Open-source AI agent firewall for MCP security and agent egress. Scans mediated HTTP, MCP, | 936 | Claude Code, Codex, OpenCode | 2 | 3,184 tok |
| konbakuyomu/smartsearch | 936 | Claude Code, Codex, OpenCode | 4 | 769 tok |
| voicetreelab/voicetree voicetree.io The spatial IDE for recursive multi-agent orchestration. It's like an Obsidian graph-view | 934 | Claude Code, Codex, OpenCode | 3 | 2,232 tok |
| liustack/modsearch liustack.dev 🥇 The strongest free web search plugin for DeepSeek Harness, and the search bridge for ev | 933 | Codex, OpenCode | 1 | 1,983 tok |
| usewhale/Whale whale-site.pages.dev Whale — blazingly fast, terminal-first AI coding agent for DeepSeek. ~98% prompt cache hit | 932 | Codex, OpenCode | 1 | 691 tok |
| getsentry/sentry-mcp mcp.sentry.dev Agentic tooling for Sentry | 932 | Claude Code, Codex, Cursor, OpenCode | 24 | 1,276 tok |
| promptdriven/pdd promptdriven.ai Prompt Driven Development (PDD): The Last Programming Language™. Prompt files are source; | 931 | Codex, OpenCode | 1 | 1,571 tok |
| jame581/GodotPrompter Agentic skills framework for Godot 4.x. Domain-specific skills for AI coding agents (Claud | 929 | Claude Code, Codex, Gemini CLI, OpenCode | 5 | 2,265 tok |
| s0ld13rr/pentestcode PentestCode - Multi-agent AI penetration testing system with persistent engagement state, | 929 | Claude Code, Codex, OpenCode | 2 | 11,646 tok |
| SethGammon/Citadel sethgammon.github.io The operating layer for Claude Code + OpenAI Codex: persistent project memory, intent rout | 927 | Claude Code, Codex, OpenCode | 2 | 1,687 tok |
| indranilbanerjee/digital-marketing-pro indranil.in An open-source AI based digital marketing operating system for strategy, SEO, AEO/GEO, pai | 927 | Claude Code, Codex, OpenCode | 1 | 2,170 tok |
| thedaviddias/llms-txt-hub llmstxthub.com 🤖 The largest directory for AI-ready documentation and tools implementing the proposed ll | 924 | Claude Code, Codex, Cursor, OpenCode | 3 | 1,307 tok |
| OSU-NLP-Group/GUI-Agents-Paper-List osu-nlp-group.github.io Awesome GUI Agent Paper List | 924 | Claude Code, Codex, OpenCode | 2 | 5,208 tok |
| shellRaining/hlchunk.nvim This is the lua implementation of nvim-hlchunk, you can use this neovim plugin to highligh | 923 | Codex, OpenCode | 1 | 906 tok |
| orneryd/NornicDB Nornicdb is a distributed low-latency, Graph+Vector, Temporal MVCC with all sub-ms HNSW se | 923 | Codex, OpenCode | 1 | 7,307 tok |
| LvcidPsyche/auto-browser Give your AI agent a real browser — with a human in the loop. Open-source MCP-native brows | 922 | Codex, OpenCode | 1 | 673 tok |
| IceCreamYou/THREE.Terrain icecreamyou.github.io A procedural terrain generation engine for use with the Three.js 3D graphics library for t | 919 | Codex, OpenCode | 1 | 551 tok |
| pocketpaw/pocketpaw pocketpaw.xyz Your AI agent in 30 seconds. Not 30 hours. Self-hosted, open-source personal AI with deskt | 916 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 6,715 tok |
| hashicorp/agent-skills A collection of Agent skills and Claude Code plugins for HashiCorp products. | 916 | Codex, OpenCode | 1 | 492 tok |
| stencila/stencila stencila.io Documents with Scientific Intelligence | 914 | Codex, OpenCode | 1 | 1,388 tok |
| msitarzewski/agency-agents-app agencyagents.app Agency Agents is a small, native app for browsing, installing, and tracking the agent pers | 913 | Claude Code, Codex, OpenCode | 2 | 8,527 tok |
| Jakedismo/codegraph-rust 100% Rust implementation of code graphRAG with blazing fast AST+FastML parsing, surrealDB | 912 | Claude Code, Codex, OpenCode | 2 | 7,563 tok |
| rush86999/atom Atom Agent, Open-Source Governed AI Agent Platform for Self-Hosted Automation | 911 | Claude Code, Codex, OpenCode | 2 | 22,428 tok |
| phpdocker-io/phpdocker.io phpdocker.io PHPDocker.io website and environment (php and docker based) generator | 909 | Claude Code, Codex, OpenCode | 2 | 721 tok |
| jrswab/axe docs.getaxe.dev A lightweight cli for running single-purpose AI agents. Define focused agents in TOML, tri | 909 | Claude Code, Codex, OpenCode | 2 | 3,226 tok |
| theclaymethod/unslop An agent skill to de-AI your writing | 908 | Claude Code, Codex, OpenCode | 2 | 1,357 tok |
| awizemann/scarf awizemann.github.io Native macOS and iOS App for the Hermes AI agent — multi-window, multi-server (local + rem | 907 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 4 | 4,305 tok |
| mulesoft/api-console An interactive REST console based on RAML/OAS files | 906 | Claude Code, Codex, OpenCode | 2 | 1,444 tok |
| saffron-health/libretto libretto.sh The AI toolkit for building reliable browser automations | 906 | Claude Code, Codex, OpenCode | 2 | 1,884 tok |