32,053 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 agents7,450Claude Code6,586Data and AI3,698Backend and APIs3,488Languages3,402Planning3,191Git and workflow3,129Code review2,728Memory and context2,353Testing2,330DevOps and cloud2,293Research2,288Writing and docs2,283Frontend2,242Security1,990Productivity1,704
All Claude Code32,053 Codex23,184 OpenCode21,956 GitHub Copilot3,523 Gemini CLI1,906 Cursor1,729 Windsurf98 Kiro64
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| EvanBacon/serve-sim The `npx serve` of Apple Simulators. | 2,768 | Claude Code, Codex, OpenCode | 3 | 922 tok |
| control-theory/gonzo controltheory.com Gonzo! The Go based TUI log analysis tool | 2,766 | Claude Code, Codex, OpenCode | 2 | 422 tok |
| Vexa-ai/vexa vexa.ai Open-source meeting transcription API for Google Meet, Microsoft Teams & Zoom. Auto-join b | 2,766 | Claude Code, Codex, OpenCode | 2 | 3,242 tok |
| aaron-he-zhu/aaron-marketing-skills aaronmarketing.ai 120 marketing skills as an AI marketing staff — plugin, portable skills, or an 8-bot team | 2,753 | Claude Code, Codex, OpenCode | 2 | 6,360 tok |
| visa/visa-vulnerability-agentic-harness Visa Vulnerability Agentic Harness | 2,751 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 3,632 tok |
| supermemoryai/claude-supermemory supermemory.ai Enable Claude Code to learn in real-time, update it's knowledge, and grow with you, using | 2,750 | Claude Code | 1 | — |
| baojie/shiji-kb | 2,750 | Claude Code | 7 | 4,555 tok |
| openlit/openlit docs.openlit.io Open-source observability & evaluation platform for AI agents and coding agents. Trace LLM | 2,749 | Claude Code, Codex, OpenCode | 4 | 829 tok |
| ColeMurray/background-agents backgroundagents.dev An open-source background agents coding system | 2,749 | Claude Code, Codex, OpenCode | 3 | 2,066 tok |
| FluidInference/FluidAudio docs.fluidinference.com Frontier CoreML audio models in your apps — text-to-speech, speech-to-text, voice activity | 2,745 | Claude Code, Codex, GitHub Copilot, OpenCode | 7 | 3,646 tok |
| microsoft/clarity clarity.microsoft.com A behavioral analytics library that uses dom mutations and user interactions to generate a | 2,741 | Claude Code, GitHub Copilot | 2 | 3,256 tok |
| compozy/compozy compozy.com An operating system for AI agents. Plug in the agent CLIs you already use (Claude Code, Co | 2,732 | Claude Code, Codex, OpenCode | 4 | 1,695 tok |
| doronz88/pymobiledevice3 doronz88.github.io Pure python3 implementation for working with iDevices (iPhone, etc...). | 2,727 | Claude Code, Codex, OpenCode | 5 | 1,794 tok |
| software-mansion/argent argent.swmansion.com An agentic toolkit to control, debug, and profile iOS and Android apps. Made by Software M | 2,715 | Claude Code | 1 | 184 tok |
| huangwb8/ChineseResearchLaTeX A collection of commonly used LaTeX templates for Chinese research | 2,713 | Claude Code, Codex, OpenCode | 2 | 2,577 tok |
| jeremylongshore/tons-of-skills-marketplace jeremylongshore.github.io Model-agnostic agent-skills platform with a harness-free canonical layer, verified adapter | 2,711 | Claude Code, Codex, OpenCode | 5 | 11,594 tok |
| puaclaw/PUAClaw puaclaw.org Claws will eventually take over the world, PUAClaw is All You Need | 2,707 | Claude Code | 1 | 2,732 tok |
| sheeki03/tirith tirith.sh Terminal security for developers and AI agents. Intercepts homograph URLs, pipe-to-shell, | 2,706 | Claude Code | 2 | — |
| nteract/semiotic semiotic.nteract.io React data visualization library for streaming, networks, and AI-assisted development | 2,705 | Claude Code, Codex, GitHub Copilot, OpenCode | 5 | 1,807 tok |
| spider-rs/spider spider.cloud Get web data for AI agents and LLMs - fast, efficient, and reliable with Rust | 2,704 | Claude Code | 1 | 4,720 tok |
| cocoindex-io/cocoindex-code cocoindex.io A super light-weight embedded code search engine CLI (AST based) that just works - improv | 2,699 | Claude Code | 1 | 1,766 tok |
| refraction-ray/xalpha xalpha.readthedocs.io A backtesting engine for fund investment management | 2,694 | Claude Code, Codex, OpenCode | 2 | 917 tok |
| dgunning/edgartools edgartools.readthedocs.io Read and analyze SEC EDGAR filings in Python. 10-K, 8-K, XBRL financials, Form 3/4/5, 13F, | 2,686 | Claude Code | 24 | 1,291 tok |
| lopopolo/harness-engineering openai.com 🐎 Ryan Lopopolo’s anthology, field guide, and agent context bundle for harness engineerin | 2,683 | Claude Code, Codex, OpenCode | 2 | 1,339 tok |
| jgravelle/jcodemunch-mcp jcodemunch.com Cut AI token costs 95%+ on code exploration. The leading MCP server for precise, symbol-le | 2,676 | Claude Code, Codex, OpenCode | 24 | 37,899 tok |
| mongodb/mongo-java-driver mongodb.com The official MongoDB drivers for Java, Kotlin, and Scala | 2,661 | Claude Code, Codex, OpenCode | 4 | 1,002 tok |
| Windy3f3f3f3f/claude-code-from-scratch windy3f3f3f3f.github.io Build your own Claude Code from scratch. 🔍 Claude Code is open-sourced with 500,000 lines | 2,659 | Claude Code | 4 | 31 tok |
| medplum/medplum medplum.com Medplum is a healthcare platform that helps you quickly develop high-quality compliant app | 2,659 | Claude Code | 1 | — |
| CyberStrikeus/CyberStrike cyberstrike.io Open-source AI-powered offensive security harness for automated penetration testing. | 2,654 | Claude Code | 1 | — |
| wassim249/fastapi-langgraph-agent-production-ready-template A production-ready FastAPI template for building AI agent applications with LangGraph inte | 2,650 | Claude Code, Codex, OpenCode | 2 | 1,960 tok |
| gridaco/grida grida.co Grida — Open Canvas | 2,636 | Claude Code, Codex, OpenCode | 30 | 2,504 tok |
| module-federation/core module-federation.io Module Federation is a concept that allows developers to share code and resources across m | 2,634 | Claude Code, Codex, Cursor, OpenCode | 9 | 6,288 tok |
| SummerSec/ShiroAttack2 Comprehensive exploitation of Shiro deserialization vulnerabilities (for authorized testin | 2,627 | Claude Code, Codex, OpenCode | 3 | 2,182 tok |
| centminmod/my-claude-code-setup threads.com Shared starter template configuration and CLAUDE.md memory bank system for Claude Code | 2,625 | Claude Code, Codex, Gemini CLI, OpenCode | 5 | 2,545 tok |
| marketcalls/openalgo docs.openalgo.in Open Source Algo Trading Platform for Everyone | 2,625 | Claude Code | 8 | 7,879 tok |
| LearnPrompt/LearnPrompt learnprompt.pro A completely free and open-source AIGC course, currently supporting Claude Code, Codex, He | 2,623 | Claude Code | 1 | — |
| nunit/nunit nunit.org NUnit Framework | 2,623 | Claude Code, Codex, GitHub Copilot, OpenCode | 9 | 719 tok |
| plexe-ai/plexe plexe.ai ✨ Build a machine learning model from a prompt | 2,618 | Claude Code, Codex, OpenCode | 2 | 1,434 tok |
| ForceInjection/AI-fundamentals forceinjection.github.io AI fundamentals—GPU architecture, CUDA programming, large language model basics, and AI Ag | 2,600 | Claude Code, Codex, OpenCode | 2 | 3,658 tok |
| lncrawl/lightnovel-crawler lncrawl.bitanon.dev Generate and download e-books from online sources. | 2,591 | Claude Code, Codex, OpenCode | 10 | 3,111 tok |
| alexbelgium/hassio-addons My homeassistant addons | 2,589 | Claude Code, GitHub Copilot | 6 | 3,120 tok |
| supabase/agent-skills supabase.com Agent Skills to help developers using AI agents with Supabase | 2,589 | Claude Code, Codex, OpenCode | 2 | 1,633 tok |
| heyitsnoah/claudesidian | 2,584 | Claude Code, Codex | 23 | — |
| oxsecurity/megalinter megalinter.io 🦙 MegaLinter analyzes 50 languages, 22 formats, 21 tooling formats, excessive copy-pastes | 2,581 | Claude Code | 34 | 2,792 tok |
| zilliztech/memsearch zilliztech.github.io A persistent, unified memory layer for all your AI agents (e.g. Claude Code, Codex, DSH), | 2,579 | Claude Code | 1 | 2,348 tok |
| HarleyCoops/Math-To-Manim Create Epic Math and Physics Animations & Study Notes From Text and Images. | 2,578 | Claude Code, Codex, GitHub Copilot, OpenCode | 6 | 12,381 tok |
| harbor-framework/terminal-bench-1 tbench.ai A benchmark for LLMs on complicated tasks in the terminal | 2,572 | Claude Code, GitHub Copilot | 2 | 1,389 tok |
| samuelgursky/davinci-resolve-mcp MCP server integration for DaVinci Resolve Studio | 2,568 | Claude Code, Codex, GitHub Copilot, Cursor, OpenCode, Windsurf | 30 | 7,033 tok |
| kayba-ai/agentic-context-engine kayba.ai 🧠 Make your agents learn from experience. Now available as a hosted solution at kayba.ai | 2,566 | Claude Code, Codex, OpenCode | 19 | 2,759 tok |
| chrisryugj/korean-law-mcp npmjs.com An MCP server for directly querying Korea's National Law Information Center through an LLM | 2,566 | Claude Code | 2 | 5,891 tok |