44,817 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 |
|---|---|---|---|---|
| jason-effi-lab/karpathy-llm-wiki-vault | 738 | Claude Code | 4 | 1,191 tok |
| ruvnet/metaharness cognitum.one 🛠️ The meta-harness for AI agents — scaffold your own focused, branded agent harness with | 738 | Claude Code | 1 | — |
| drandyhaas/KiCadRoutingTools hackaday.io A set of Python/Rust tools to aid routing in KiCad | 738 | Claude Code | 12 | 18,921 tok |
| ganeshmshetty/openclip getopenclip.app An open-source, macOS text action popup for running custom scripts, AI actions, and extens | 738 | Codex, OpenCode | 1 | 2,418 tok |
| solokeys/solo2 solo2.dev Solo 2 firmware in Rust | 737 | Codex, OpenCode | 1 | 1,317 tok |
| pdovhomilja/nextcrm-app demo.nextcrm.io NextCRM — Open-source CRM built with Next.js 16, React 19, PostgreSQL, Prisma 7, and shadc | 737 | Codex, OpenCode | 1 | 1,328 tok |
| yaojingang/geo-citation-lab GEO experiment data reports and a curated GEO/AEO/AI search paper library. | 737 | Codex, OpenCode | 1 | 1,261 tok |
| disler/just-prompt just-prompt is an MCP server that provides a unified interface to top LLM providers (OpenA | 736 | Claude Code | 7 | — |
| probelabs/probe probelabs.com AI-friendly semantic code search engine for large codebases. Combines ripgrep speed with t | 736 | Claude Code | 2 | 9,231 tok |
| yusukebe/ax ax.yusuke.run The AI-era curl | 735 | Claude Code | 1 | 722 tok |
| vuetifyjs/0 0.vuetifyjs.com 0️⃣ Composable UI engine for Vue. Build complex interfaces with reusable state, logic, and | 734 | Claude Code, Codex, GitHub Copilot, OpenCode | 4 | 3,523 tok |
| staruhub/ClaudeSkills staruhub.github.io 13 curated Agent Skills for research, product decisions, decks, publishing, audits, and mo | 733 | Codex, OpenCode | 1 | 971 tok |
| Olshansk/rss-feeds Generate RSS feeds for all the blogs that don't have one | 733 | Claude Code, Codex, Gemini CLI, OpenCode | 6 | 3,331 tok |
| FerroxLabs/agents-md Drop-in AGENTS.md that makes every coding agent behave like a senior engineer instead of a | 733 | Codex, OpenCode | 1 | 2,366 tok |
| UKGovernmentBEIS/inspect_evals ukgovernmentbeis.github.io Collection of evals for Inspect AI | 733 | Codex, OpenCode | 1 | 2,159 tok |
| Chen-zexi/open-ptc-agent An open source implementation of code execution with MCP (Programatic Tool Calling) | 732 | Claude Code | 1 | — |
| rekog-labs/MCP-Nest A NestJS module to effortlessly create Model Context Protocol (MCP) servers for exposing A | 732 | Claude Code | 1 | 1,103 tok |
| marckohlbrugge/37signals-skills Unofficial agent skills + reference guide that teach AI coding assistants to write Rails t | 731 | Claude Code | 1 | 311 tok |
| liveloveapp/hashbrown hashbrown.dev Hashbrown is a framework for building agents that run the browser. Built for Angular and R | 730 | Claude Code, Codex, OpenCode | 4 | 2,971 tok |
| tech-systems/panes panejs.com 🎉📱 Create dynamic modals, cards, panes for your applications in few steps. Any framework | 729 | Claude Code | 1 | 707 tok |
| Kymo-MCP/mcpcan mcpcan.com MCPCAN is a centralized management platform for MCP services. It deploys each MCP service | 729 | Cursor | 1 | 239 tok |
| nominal-io/instro instro.nominal.io An open-source library for hardware test instrumentation | 729 | Claude Code, Codex, GitHub Copilot, OpenCode | 7 | 8,057 tok |
| PostHog/posthog-foss PostHog FOSS is a read-only mirror of PostHog, with all proprietary code removed. NOTE: Th | 728 | Claude Code, Codex, Cursor, OpenCode | 5 | 6,233 tok |
| dmmulroy/cloudflare-skill | 728 | Codex, OpenCode | 1 | 637 tok |
| Leadaxe/singbox-launcher GUI launcher for sing-box. Written in Go. | 728 | Codex, OpenCode | 1 | 2,418 tok |
| suleimanodetoro/skills Agent skills for interface design, React, React Native, and software security. | 727 | Codex, OpenCode | 1 | 505 tok |
| Snowflake-Labs/cocoplus cocoplus.dev CocoPlus is an Agentic Operating System for Snowflake Coco. It brings structured, multi-ag | 727 | Claude Code, Codex, OpenCode | 1 | 2,470 tok |
| qf-studio/pilot pilot.quantflow.studio AI that ships your tickets. | 727 | Claude Code | 5 | 3,440 tok |
| umputun/agterm agterm.com A genuinely good terminal | 727 | Claude Code | 1 | 7,360 tok |
| DenisSergeevitch/repo-task-proof-loop Spec driven skill with subagents spawning | 726 | Claude Code, Codex, OpenCode | 2 | 846 tok |
| patrickjaja/claude-desktop-extra patrickjaja.github.io Unofficial Linux packages for Claude Desktop AI assistant with automated updates. | 726 | Claude Code, Codex, OpenCode | 13 | 7,051 tok |
| scanaislop/aislop scanaislop.com Catch and fix the code-quality issues AI coding agents leave behind - dead code, unsafe ca | 726 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 1,830 tok |
| HazelChat/hazel hazel.sh | 725 | Claude Code, Codex, OpenCode | 2 | 4,885 tok |
| ConardLi/rag-skill A Skill dedicated to local knowledge base retrieval | 725 | Claude Code, Codex | 2 | — |
| HazAT/pi-interactive-subagents Interactive subagents for pi — spawn, orchestrate, and manage sub-agent sessions in cmux t | 725 | Claude Code, Codex | 2 | — |
| partme-ai/full-stack-skills A free skills marketplace for full-stack development, offering various collections of prac | 725 | Claude Code, Codex, OpenCode | 2 | 2,303 tok |
| OtterMind/youclaw youclaw.dev 🦞 Your AI Personal Assistant. An intelligent assistant with memory, skills, and schedule | 724 | Claude Code, Codex, OpenCode | 3 | 2,410 tok |
| faridrashidi/cnsplots cnsplots.farid.one 🎨 Toolkit for generating publication-quality plots for Cell, Nature and Science journals | 724 | Claude Code, Codex, OpenCode | 2 | 1,381 tok |
| andrehuang/research-companion Strategic research thinking agents for Claude Code — idea evaluation, project triage, and | 723 | Claude Code, Gemini CLI | 4 | — |
| onmax/nuxt-skills Vue, Nuxt, and NuxtHub skills for AI coding assistants. | 723 | Claude Code | 1 | 488 tok |
| timescale/tigerfs tigerfs.io Mount PostgreSQL as a filesystem. Build apps with files, explore databases with ls and cat | 723 | Claude Code | 1 | 3,227 tok |
| VibeTensor/attestix attestix.io AI agent identity, signed credentials, delegated authority and portable governance evidenc | 723 | Claude Code | 1 | 43 tok |
| hailo-ai/hailo_model_zoo The Hailo Model Zoo includes pre-trained models and a full building and evaluation environ | 722 | Claude Code | 3 | — |
| jakemor/kanna A beautiful web-based UI for Claude Code & Codex | 722 | Claude Code, Codex | 4 | 1,284 tok |
| homanp/infinite-monitor infinitemonitor.com Monitor anything in real time | 721 | Codex, OpenCode | 1 | 490 tok |
| frontman-ai/frontman frontman.sh The AI agent that lives in your framework/browser | 721 | Claude Code, Codex, Cursor, OpenCode | 6 | 2,643 tok |
| ijry/uview-plus uview-plus.jiangruyi.com Zero Cloud® uview-plus is a uni-app ecosystem framework fully compatible with nvue. Its co | 721 | Codex, OpenCode | 1 | 454 tok |
| openclaw/nix-openclaw Packages OpenClaw for nix. | 720 | Codex, OpenCode | 1 | 873 tok |
| peters/horizon GPU-accelerated terminal board that puts all your sessions on an infinite canvas | 720 | Claude Code, Codex, GitHub Copilot, OpenCode | 6 | 14,717 tok |
| neonwatty/meme-search neonwatty.github.io The open source Meme Search Engine and Finder. Free and built to self-host locally with P | 719 | Claude Code | 1 | 2,697 tok |