24,692 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 |
|---|---|---|---|---|
| z88dk/z88dk z88dk.org The development kit for over a hundred z80 family machines - c compiler, assembler, linker | 1,154 | Codex, GitHub Copilot, OpenCode | 2 | 3,284 tok |
| rdi-berkeley/agents-last-exam agents-last-exam.org Agents' Last Exam | 1,154 | Codex, OpenCode | 1 | 1,547 tok |
| duanyytop/agents-radar duanyytop.github.io Daily AI ecosystem digest from 10 sources (GitHub, ArXiv, HN, HuggingFace, Product Hunt, D | 1,152 | Claude Code, Codex, OpenCode | 2 | 7,079 tok |
| beltromatti/get-it getit.noesisai.it Read it. See it. Get it. Built at GDG AI Hack Milan 2026 for "Learn Different" track. | 1,152 | Claude Code, Codex, OpenCode | 2 | 79 tok |
| web-infra-dev/rsdoctor rsdoctor.rs AI-friendly build analyzer for Rspack | 1,151 | Claude Code, Codex, OpenCode | 10 | 1,093 tok |
| davis7dotsh/better-context btca.dev A better way to get up to date context on libraries/technologies in your projects | 1,151 | Claude Code, Codex, OpenCode | 3 | 452 tok |
| mrwadams/stride-gpt stridegpt.streamlit.app An AI-powered threat modeling tool that leverages OpenAI's GPT models to generate threat m | 1,150 | Codex, OpenCode | 1 | 4,400 tok |
| VirtusLab/git-machete Probably the sharpest git repository organizer & rebase/merge workflow automation tool you | 1,149 | Codex, OpenCode | 1 | 1,620 tok |
| us/crw fastcrw.com Fast, lightweight Firecrawl/Tavily alternative in Rust. Web scraper, crawler & search API | 1,149 | Codex, OpenCode | 1 | 2,009 tok |
| massgen/MassGen docs.massgen.ai 🚀 MassGen is an open-source multi-agent scaling system that runs in your terminal, autono | 1,147 | Claude Code, Codex, OpenCode | 2 | 9,136 tok |
| Dicklesworthstone/beads_rust Fast Rust port of Steve Yegge's beads: local-first, non-invasive issue tracker storing tas | 1,146 | Claude Code, Codex, OpenCode | 2 | 13,657 tok |
| hoangsonww/Claude-Code-Agent-Monitor hoangsonww.github.io 🚀 A real-time monitoring dashboard for Claude Code & Codex, built with SQLite3, Node.js, | 1,146 | Claude Code, Codex, OpenCode | 3 | 2,717 tok |
| Xiangyue-Zhang/auto-deep-researcher-24x7 arxiv.org 🔥 An autonomous AI agent that runs your deep learning experiments 24/7 while you sleep. Z | 1,143 | Claude Code, Codex, OpenCode | 2 | 5,681 tok |
| erha19/ping-island erha19.github.io A Dynamic Island-style command center for managing all your AI coding agents on macOS. | 1,143 | Claude Code, Codex, OpenCode | 1 | 8,609 tok |
| ndif-team/nnsight nnsight.net The nnsight package enables interpreting and manipulating the internals of deep learned mo | 1,142 | Claude Code, Codex, OpenCode | 2 | 1,351 tok |
| community-shaders/skyrim-community-shaders discord.com Community-driven advanced graphics modifications for AE, SE and VR. | 1,140 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 1,705 tok |
| chrisbanes/skills Skills for Kotlin, Jetpack Compose, and Android development | 1,139 | Codex, OpenCode | 1 | 1,105 tok |
| kayac/ecspresso ecspresso is a deployment tool for Amazon ECS | 1,137 | Codex, OpenCode | 1 | 925 tok |
| poco-ai/Agentero agentero.app An Agent-friendly way to manage literature. | 1,137 | Claude Code, Codex, OpenCode | 6 | 2,038 tok |
| suyiiyii/AutoGLM-GUI autoglm-gui.vercel.app A modern Web graphical interface for AutoGLM—making it easy for AI to automate Android dev | 1,136 | Claude Code, Codex, OpenCode | 3 | 1,594 tok |
| foxglove/mcap mcap.dev MCAP is a modular, performant, and serialization-agnostic container file format, useful fo | 1,134 | Codex, OpenCode | 1 | 1,480 tok |
| openmc-dev/openmc docs.openmc.org OpenMC Monte Carlo Code | 1,134 | Claude Code, Codex, GitHub Copilot, OpenCode | 5 | 4,451 tok |
| prompt-security/clawsec prompt.security A complete security skill suite for OpenClaw, Hermes, PicoClaw and NanoClaw agents (and va | 1,133 | Claude Code, Codex, OpenCode | 2 | 3,541 tok |
| NirDiamant/Agent_Memory_Techniques diamantai.substack.com Agent memory for LLMs: 30 runnable Jupyter notebooks covering conversation buffers, vector | 1,133 | Codex, OpenCode | 1 | 975 tok |
| Onelevenvy/flock A desktop multi-agent harness built with Rust, Tauri, and React, powered by langgraph-rust | 1,127 | Claude Code, Codex, OpenCode | 2 | 4,269 tok |
| Rain120/qq-music-api rain120.github.io QQ Music API implemented with koa2. | 1,127 | Claude Code, Codex, OpenCode | 3 | 2,444 tok |
| getsentry/skills Agent Skills used by the Sentry team for development. | 1,126 | Claude Code, Codex, OpenCode | 3 | 482 tok |
| crisng95/flowkit AI agent can create video content better than you. No reason why you do it manually in goo | 1,125 | Claude Code, Codex, OpenCode | 37 | 3,524 tok |
| safedep/vet safedep.io Protect against malicious open source packages 🤖 | 1,124 | Claude Code, Codex, OpenCode | 3 | 2,106 tok |
| openbkn-ai/bkn-foundry openbkn.ai BKN Foundry is the Ontology back-end foundation of OpenBKN. It transforms ontology-driven | 1,123 | Codex, OpenCode | 1 | 1,010 tok |
| decodingai-magazine/building-a-coding-agent-from-scratch-course Learn harness engineering by building Claude Code from scratch. Free, open-source course: | 1,123 | Claude Code, Codex, OpenCode | 3 | 5,643 tok |
| Human-Agent-Society/CORAL coral.compounding-intelligence.ai Open-source autoresearch powered by autonomous coding agents. Run Claude Code, OpenCode, a | 1,122 | Claude Code, Codex, OpenCode | 6 | 6,180 tok |
| Kc1t/alethe-agents alethe-agents.kc1t.com A local-first desktop workspace for running, organizing, and resuming multiple coding age | 1,122 | Claude Code, Codex, OpenCode | 3 | 4,236 tok |
| microsoft/agentrc Get your repo ready for AI. | 1,121 | Claude Code, Codex, GitHub Copilot, OpenCode | 8 | 1,310 tok |
| manycoretech/aholo-viewer aholojs.dev A high performance 3DGS renderer | 1,119 | Codex, OpenCode | 7 | 900 tok |
| novoid/Memacs What did I do on February 14th 2007? Visualize your (digital) life in Org-mode | 1,118 | Codex, OpenCode | 1 | 2,975 tok |
| vercel-labs/web-interface-guidelines vercel.com Guidelines for building interfaces on the Web. | 1,118 | Codex, OpenCode | 1 | 1,958 tok |
| microsoft/power-platform-skills microsoft.github.io A plugin marketplace for GitHub Copilot and other AI agents that provides Power Platform d | 1,118 | Claude Code, Codex, OpenCode | 2 | 6,207 tok |
| raindrop-ai/workshop raindrop.ai Give your coding agent the power to write and run agent evals. | 1,117 | Codex, OpenCode | 1 | 451 tok |
| openclaw/agent-skills Useful skills for agents and claws. | 1,116 | Codex, OpenCode | 1 | 218 tok |
| caozhiyuan/copilot-api caozhiyuan.github.io GitHub Copilot, OpenAI Codex, OpenCode Go, and third-party AI provider gateway with OpenAI | 1,112 | Claude Code, Codex, OpenCode | 3 | 688 tok |
| codestable/CodeStable codestable.dev CodeStable is an AI coding workflow for serious software engineering that keeps humans in | 1,111 | Claude Code, Codex, OpenCode | 4 | 2,188 tok |
| google/sam sam-mesh.dev Agent Mesh | 1,111 | Codex, OpenCode | 1 | 1,694 tok |
| cuga-project/cuga-agent cuga.dev CUGA is an open-source generalist agent harness for the enterprise, supporting complex tas | 1,107 | Claude Code, Codex, OpenCode | 2 | 2,158 tok |
| Mininglamp-OSS/octo-server 🐙 The Go backend powering OCTO — an open workplace built for humans × AI agents. REST & W | 1,107 | Claude Code, Codex, OpenCode | 7 | 4,907 tok |
| MaxBittker/rs-sdk rs-sdk-demo.fly.dev Runescape automation library, optimized for use by coding agents. | 1,105 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 3,668 tok |
| momozi1996/momo-code momozi.cc MOMO CODE — RSI *JEV*Pi --AI coding agent that evolves with you | 1,105 | Claude Code, Codex, OpenCode | 2 | 1,291 tok |
| frappe/frappe-ui ui.frappe.io The all-in-one toolkit for modern frontends. High-quality components, app recipes and AI-r | 1,104 | Codex, GitHub Copilot, OpenCode | 2 | 938 tok |
| shaps80/SwiftUIBackports A collection of SwiftUI backports for iOS, macOS, tvOS and watchOS | 1,100 | Codex, OpenCode | 1 | 653 tok |
| NVIDIA/cuopt docs.nvidia.com GPU accelerated decision optimization | 1,099 | Codex, GitHub Copilot, OpenCode, Windsurf | 3 | 920 tok |