31,994 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 agents7,670Claude Code6,650Data and AI3,673Backend and APIs3,507Languages3,392Planning3,227Git and workflow3,211Code review2,744Testing2,385Memory and context2,367Writing and docs2,330DevOps and cloud2,314Research2,288Frontend2,261Security2,032Productivity1,722
All Claude Code31,994 Codex23,359 OpenCode22,302 GitHub Copilot3,560 Gemini CLI1,917 Cursor1,740 Windsurf142 Kiro82
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| inematds/antidote Assistente de IA pessoal em Python, o antídoto contra frameworks inchados | 2 | Claude Code | 1 | 974 tok |
| 2026-HEVEN/vcu 2026 Yeonggwang VCU firmware | 2 | Claude Code, Codex, OpenCode | 2 | 494 tok |
| ThatOpen/platform_services | 2 | Claude Code | 1 | 1,445 tok |
| mjunaidca/ai-native-tasks-manager | 2 | Claude Code, Codex, Gemini CLI, OpenCode | 9 | 2,424 tok |
| neura-spheres/Ventus Ventus is a focused desktop browser with AI built in | 2 | Claude Code, Codex, OpenCode | 2 | 6,296 tok |
| gnoverse/mygnoscan mygnoscan.moul.p2p.team | 2 | Claude Code, Codex, OpenCode | 2 | 1,372 tok |
| DaleStudy/github graphql.daleseo.workers.dev 🤖 GitHub app | 2 | Claude Code, Codex, OpenCode | 2 | 5,097 tok |
| frontendmentorio/nft-preview-card-component | 2 | Claude Code, Codex, OpenCode | 2 | 2,217 tok |
| sanchitnis/REVA-learning-hub reva-learning-hub.vercel.app To include all the content for learning at REVA | 2 | Claude Code, Codex | 25 | — |
| forbiddenlink/mythos mythos-web-seven.vercel.app Interactive storytelling platform exploring mythology and folklore with rich narrative exp | 2 | Claude Code, Codex, GitHub Copilot | 4 | 2,761 tok |
| frontendmentorio/bookmark-landing-page frontendmentor.io This challenge will really test your layout skills. There are also areas that will require | 2 | Claude Code, Codex, OpenCode | 2 | 2,400 tok |
| rajshah4/openhands-sre | 2 | Claude Code, Codex, OpenCode | 5 | 1,132 tok |
| availproject/docs docs.availproject.org Official Avail Documentation | 2 | Claude Code, Codex, OpenCode | 2 | 1,229 tok |
| andnp/jax-research-template | 2 | Claude Code, Codex, OpenCode | 7 | 920 tok |
| frontendmentorio/profile-card-component frontendmentor.io This is a perfect challenge to test your layout skills. The card layout doesn't shift, so | 2 | Claude Code, Codex, OpenCode | 2 | 2,217 tok |
| Gazerrr03/roblox_experience Roblox two-place experience prototype | 2 | Claude Code, Codex, OpenCode | 6 | 1,744 tok |
| WebMCP-org/docs Technical documentation for the MCP-B / WebMCP ecosystem | 2 | Claude Code, Codex, OpenCode | 5 | 4,230 tok |
| tamaki-lab/research-workspace | 2 | Claude Code, Codex, OpenCode | 6 | 2,910 tok |
| bl1nk-bot/agent-library agent-library-two.vercel.app | 2 | Claude Code, Codex, Gemini CLI, OpenCode | 56 | 2,861 tok |
| hm-lucx/Mannschaftskasse Hackathon: Digitale Spielerkasse für Fußballvereine mit Strafenkatalog, Trainingsverwaltun | 2 | Claude Code | 6 | — |
| defin85/1c-runner-agnostic-template | 2 | Claude Code, Codex, OpenCode | 2 | 216 tok |
| PyAutoLabs/PyAutoNerves Configuration parsing for the PyAuto* family | 2 | Claude Code, Codex, GitHub Copilot, OpenCode | 6 | 1,960 tok |
| sfc-gh-miwhitaker/Sam-the-Snowman | 2 | Claude Code, Codex, OpenCode | 2 | 861 tok |
| pglevy/sailwind pglevy.github.io A React component library for vibe coding that speaks Appian SAIL | 2 | Claude Code, Codex, OpenCode | 2 | 1,609 tok |
| kimrejstrom/alpacalyzer-algo-trader | 2 | Claude Code, Codex, OpenCode | 17 | 1,868 tok |
| nickzren/ai-news-agent 📰 Daily AI news digest, delivered by email — watch this repo to subscribe. Curated from 2 | 2 | Claude Code, Codex, OpenCode | 2 | 1,072 tok |
| RintaroMasaoka/daily-arxiv | 2 | Claude Code, Codex, OpenCode | 3 | 3,813 tok |
| frontendmentorio/rest-countries-api-with-color-theme-switcher frontendmentor.io If you're wanting to test your JavaScript skills this is the challenge for you. Use whiche | 2 | Claude Code, Codex, OpenCode | 2 | 2,333 tok |
| mhghotbi/ai-learning-assistant An open-source framework for building personalized, evidence-based, and automatable learni | 2 | Claude Code, Codex, OpenCode | 2 | 1,224 tok |
| richardthe3rd/cambridge-beer-festival-app A Flutter app for browsing beers, ciders, meads, and more at the Cambridge Beer Festival | 2 | Claude Code, Codex, GitHub Copilot, OpenCode | 27 | 10,167 tok |
| Stones2Stars/S2S A continuation of Caveman2Cosmos | 2 | Claude Code, Codex, OpenCode | 8 | 33,589 tok |
| felixpahlke/full-stack-cen-template | 2 | Claude Code, Codex, OpenCode | 11 | 506 tok |
| drmrduck/nopoint | 2 | Claude Code, Codex, OpenCode | 3 | 1,640 tok |
| RedHatInsights/hcc-ai-assistant | 2 | Claude Code, Codex, OpenCode | 2 | 3,558 tok |
| jsar-project/aix jsar-project.github.io The AI Executable file format | 2 | Claude Code, Codex, OpenCode | 4 | 2,105 tok |
| frontendmentorio/recipe-page frontendmentor.io This challenge will help you focus on writing semantic HTML. Ensure you think through what | 2 | Claude Code, Codex, OpenCode | 2 | 2,217 tok |
| cicikat/PresenceKit-desktop Desktop companion client for PresenceKit. | 2 | Claude Code, Codex, OpenCode | 2 | 4,297 tok |
| marmot-protocol/whitenoise-linux Whitenoise linux. Please file issues and PRs on ngit https://relay.ngit.dev/npub1ven4zk8xx | 2 | Claude Code, Codex, OpenCode | 2 | 6,059 tok |
| itokun99/superspec-ai-workflow 🚀 AI-driven development workflow blueprint for multi-platform monorepos. Powered by OpenC | 2 | Claude Code, Codex, OpenCode | 25 | 2,717 tok |
| thirdweb-example/cyber-bird cyber-bird.thirdweb-preview.com | 2 | Claude Code, Codex, OpenCode | 2 | 4,219 tok |
| SlanyCukr/bugbounty-mcp-server Bug Bounty MCP Server - AI Agent Communication Interface for Bug Bounty Hunting | 2 | Claude Code, Codex, OpenCode | 2 | 842 tok |
| weijt606/paris-ai-hackathon-2026 | 2 | Claude Code | 1 | 1,481 tok |
| TTG-Club/core-app | 2 | Claude Code, Codex, OpenCode | 18 | 3,350 tok |
| frontendmentorio/fylo-data-storage-component frontendmentor.io This component has some interesting CSS challenges in the design. If you're looking to tes | 2 | Claude Code, Codex, OpenCode | 2 | 2,238 tok |
| frontendmentorio/time-tracking-dashboard | 2 | Claude Code, Codex, OpenCode | 2 | 2,238 tok |
| GuitarAlchemist/ga | 2 | Claude Code, Codex, Gemini CLI, OpenCode | 10 | 8,842 tok |
| MUDdown/MUDdown muddown.com MUDdown — A modern MUD platform using Markdown as the universal game markup language | 2 | Claude Code, Codex, OpenCode | 21 | 3,756 tok |
| mubisco/dotfiles | 2 | Claude Code, Codex, OpenCode | 2 | 729 tok |
| JSMike/ai-workflow-starter This repo is a starter kit for using the AI issue-tracking workflow in new projects. | 2 | Claude Code, Codex, OpenCode | 2 | 2,157 tok |
| rosudrag/ai-praxis | 2 | Claude Code, Codex, OpenCode | 2 | 1,954 tok |