43,547 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 agents7,521Claude Code6,606Data and AI3,688Backend and APIs3,494Languages3,401Planning3,209Git and workflow3,151Code review2,736Memory and context2,361Testing2,351DevOps and cloud2,300Writing and docs2,296Research2,295Frontend2,250Security2,004Productivity1,709
All Claude Code32,116 Codex23,280 OpenCode22,053 GitHub Copilot3,543 Gemini CLI1,915 Cursor1,736 Windsurf119 Kiro77
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| sleuth-io/sx sleuth-io.github.io Skill sharing made easy | 302 | Claude Code | 1 | 736 tok |
| TornLux/UnrealBridge Typed control surface for Unreal Engine that lets AI agents introspect assets, author Blue | 302 | Claude Code | 2 | 3,525 tok |
| Sisyphe42/ReignsAgent reigns-agent-creator-web.vercel.app Creator, simulation reviewer, and portable player toolchain for binary-choice card narrati | 302 | Claude Code, Codex, Cursor, OpenCode | 24 | 2,277 tok |
| kyleturman/home-dashboard A home weather dashboard for e-ink displays | 301 | Claude Code, Codex, OpenCode | 2 | 1,008 tok |
| utilForever/CubbyFlow cubbyflow.github.io Voxel-based fluid simulation engine for computer games | 301 | Codex, OpenCode | 1 | 4,114 tok |
| RunanywhereAI/on-device-browser-agent On-device AI browser automation using WebLLM. No cloud, no API keys, fully private. | 301 | Claude Code, Codex, OpenCode | 2 | 2,697 tok |
| AtomFlow-AI/MoleCode arxiv.org Molecode presents molecules as code and enables LLMs to operate and reason on chemistry di | 301 | Claude Code, Codex, OpenCode | 2 | 847 tok |
| modu-ai/moai-cowork cowork.mo.ai.kr A Korean practical AI coworker family for non-developers — get started in Claude Cowork·Ch | 301 | Codex, OpenCode | 1 | 3,222 tok |
| gongnyang/bookforge One-line topic → commercial-grade Korean ebook PDF. An agent skill for Claude Code and Cod | 301 | Codex, OpenCode | 1 | 442 tok |
| ucsandman/DashClaw dashclaw.io Remote approvals, policy checks, and execution evidence for unattended AI agents. | 301 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 30 | 10,148 tok |
| jaytel0/taste taste.jaytel.com Taste skill creation pipeline | 301 | Claude Code, Codex, OpenCode | 2 | 734 tok |
| hypothesi/mcp-server-tauri hypothesi.github.io A Model Context Protocol (MCP) server and plugin for Tauri v2 development | 301 | Claude Code, Codex, Gemini CLI, OpenCode | 2 | 2,500 tok |
| Othmane-Khadri/YALC-the-GTM-operating-system yalc.ai YALC 1.0, the open-source Clay alternative. MIT, CLI-first, self-hosted, runs in Claude Co | 301 | Claude Code | 63 | 2,646 tok |
| jchultarsky/mirador crates.io An opinionated personal dashboard for your terminal — world clocks, calendar and agenda, w | 301 | Claude Code | 1 | 35,105 tok |
| AaravKashyap12/advise-project-approach A portable project-planning skill for Codex, Claude Code, pi, Hermes, and Agent Skills-com | 301 | Claude Code, Codex, OpenCode | 2 | 961 tok |
| gendigitalinc/sage ai.gendigital.com Lightweight Agent Detection & Response (ADR) layer for AI agents — guards commands, files, | 301 | Claude Code | 1 | 2,840 tok |
| thewaltero/mythos-router mythosrouter.com The leaked Anthropic reasoning protocol. Running locally. Zero-drift coding with Strict Wr | 300 | Codex, OpenCode | 1 | 2,232 tok |
| lbx154/Argus A self-evolving multi-agent system for autonomous research, operating 24/7 to explore, lea | 300 | Claude Code, Codex, GitHub Copilot | 2 | 616 tok |
| semgrep/skills semgrep.dev A collection of skills for AI coding agents from Semgrep | 300 | Claude Code, Codex, OpenCode | 2 | 1,020 tok |
| kenzok8/openwrt-clashoo A simple, stable, out-of-the-box LuCI proxy application based on mihomo and sing-box | 300 | Claude Code, Codex | 1 | — |
| niaka3dayo/agent-skills-vrc-udon Skills, rules, and validation hooks that teach AI coding agents to generate correct UdonSh | 300 | Claude Code | 4 | 3,415 tok |
| jin-bo/agentao An Eastern-philosophy-inspired CLI agent harness for personal research and data analysis a | 300 | Claude Code | 1 | 10,302 tok |
| coleam00/remote-mcp-server-with-auth Template for a remote MCP server with GitHub OAuth - following best practices for building | 299 | Claude Code | 1 | 5,279 tok |
| jlevy/simple-modern-uv A powerful, minimal agent skill and template for modern Python projects with uv | 299 | Claude Code, Codex, OpenCode | 5 | 765 tok |
| zipxing/rust_pixel Tile-first. Retro-ready. Write Once, Run Anywhere—2D Engine! | 299 | Claude Code | 1 | — |
| ScottRBK/forgetful Opensource Memory for Agents | 299 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 411 tok |
| fivetaku/cc101 cc101.axwith.com Claude Code Korean Beginner Guide | Korean Beginner Guide for Claude Code | 299 | Claude Code | 1 | 1,173 tok |
| zhaihao118/Micro-Drama-Skills An AI-driven end-to-end short-drama production automation system. Uses Claude Skills to im | 299 | Claude Code | 4 | — |
| mzxrai/mcp-webresearch MCP web research server (give Claude real-time info from the web) | 299 | Cursor | 1 | 62 tok |
| joeseesun/qiaomu-blog-opensource Open-source Cloudflare blog template based on OpenNext, Next.js 16, D1, and R2 | 299 | GitHub Copilot | 1 | 1,073 tok |
| samwillis/solidtype A parametric CAD application built on ElectricSQL, Tanstack DB and Durable Streams | 298 | Codex, OpenCode | 1 | 3,174 tok |
| monarchjuno/vibe-investing Vibe Investing Skill Library | 298 | Codex, OpenCode | 1 | 319 tok |
| ai-analyst-lab/ai-analyst AI Product Analyst — Claude Code-powered data analysis toolkit | 298 | Claude Code | 3 | 2,069 tok |
| Unagi-cq/cdp-bridge-mcp MCP server that bridges clients to a real browser through CDP and a companion extension. | 298 | Claude Code | 1 | 874 tok |
| myICOR/myPKA myicor.com AI-powered Personal Knowledge Assistance in a folder. Built on the ICOR methodology. Plain | 298 | Claude Code, Codex, OpenCode | 8 | 6,334 tok |
| mcneel/RhinoAI mcneel.github.io AI features for Rhino | 298 | Claude Code, Codex, OpenCode | 3 | 439 tok |
| comonicon/Comonicon.jl comonicon.org Your best CLI generator in JuliaLang | 298 | Codex, OpenCode | 1 | 840 tok |
| abersheeran/kui kui.aber.sh An easy-to-use web framework. Supports both WSGI and ASGI modes. Gevent or asyncio, this i | 297 | Claude Code, Codex, OpenCode | 2 | 120 tok |
| SmythOS/smythos-studio smythos.com SmythOS Studio: Open-Source Visual AI Agent Builder and deployable runtime stack from Smyt | 297 | Cursor | 1 | 255 tok |
| echelon-ai-labs/servicenow-mcp MCP Server for ServiceNow | 297 | Cursor | 1 | 660 tok |
| JSONbored/awesome-claude heyclau.de HeyClaude is a curated registry and distribution surface for Claude and AI-workflow assets | 297 | Claude Code, Codex, OpenCode | 2 | 1,458 tok |
| newideas99/ultra-fast-image-gen 2-8B parameter image gen that actually runs fast on your Mac. 14 seconds. No cloud. No GPU | 297 | OpenCode | 1 | — |
| u-ichi/reviewable-html-workbench Claude Code / Codex CLI plugin for generating reviewable HTML documents with preview, inli | 297 | Claude Code, Codex, OpenCode | 3 | 1,075 tok |
| runtm-ai/runtm runtm.com Open-source sandboxes where coding agents build and deploy. Spin up isolated environments | 297 | Claude Code | 1 | 1,217 tok |
| Aperivue/medsci-skills aperivue.com Agent Skills for medical research — literature search, reporting-guideline & citation chec | 297 | Claude Code | 1 | 508 tok |
| geekjourneyx/obsidian-md2wechat md2wechat.cn 📝 Obsidian → WeChat | One-click formatting and publishing from an Obsidian plugin to WeCh | 297 | Codex, OpenCode | 1 | 520 tok |
| hsingjui/ContextWeaver ContextWeaver is a tool based on the MCP protocol that uses Tree-sitter and vector search | 297 | Claude Code, Codex, OpenCode | 10 | 856 tok |
| Arkya-AI/claude-context-os arkya.ai A complete operating system for Claude that prevents context loss and makes multi-session | 296 | Claude Code | 4 | 687 tok |
| PageAI-Pro/ralph-loop ralphloop.sh A long-running AI agent loop. Ralph automates software development tasks by iteratively wo | 296 | Claude Code, Codex, OpenCode | 13 | 374 tok |
| sgl-project/rbg rolebasedgroup.github.io A workload for deploying LLM inference services on Kubernetes | 296 | Claude Code | 1 | — |