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 |
|---|---|---|---|---|
| zjw-swun/old-code Classical Programming Skill (major open-source release!) | 539 | Claude Code | 1 | — |
| RandallLiuXin/GodotMaker randallliuxin.github.io Autonomous text-to-game pipeline for Godot, powered by Claude Code,Codex,Opencode | 539 | Claude Code | 1 | 1,146 tok |
| UI5/webcomponents-react ui5.github.io A wrapper implementation for React of the UI5 Web Components that are compliant with the S | 539 | Claude Code | 1 | 3,139 tok |
| steveclarke/real-world-rails 200+ production open source Rails apps & engines in one repo. Search across real codebases | 538 | Claude Code | 1 | 270 tok |
| sinanata/unity-ui-toolkit-design-system sinanata.github.io Drop-in design system for Unity 6 UI Toolkit (UIDocument + PanelRenderer, UXML + USS): tok | 538 | Codex, GitHub Copilot, OpenCode | 2 | 3,548 tok |
| tt-a1i/hive hivehq.dev Browser-native hive-mind for CLI coding agents — Claude Code, Codex, Gemini, and OpenCode | 538 | Claude Code, Codex, OpenCode | 2 | 879 tok |
| kitlangton/stack | 538 | Claude Code, Codex, OpenCode | 2 | 1,111 tok |
| OSideMedia/higgsfield-ai-prompt-skill higgsfield.ai Claude AI skill for cinematic Higgsfield AI prompts — 32 sub-skills covering Seedance 2.5 | 537 | Claude Code | 2 | 1,353 tok |
| Ramilito/kubectl.nvim ⎈ Streamline your Kubernetes management within Neovim—control and monitor your cluster sea | 537 | Claude Code | 14 | 1,542 tok |
| tzachbon/smart-ralph Spec-driven development with smart compaction. Claude Code plugin combining Ralph Wiggum l | 536 | Claude Code, Codex, OpenCode | 3 | 1,911 tok |
| Dimillian/IcySky A BlueSky Client. TBD. | 535 | Claude Code | 1 | 2,696 tok |
| agnt-gg/agnt agnt.gg The local-first operating system for building, running, and improving AI agents, workflows | 535 | Claude Code | 1 | 4,841 tok |
| deerwork-ai/deer-workflow deerwork-ai.github.io An open-source graph engineering runtime that keeps orchestration in TypeScript and delega | 535 | Claude Code, Codex, OpenCode | 2 | 4,147 tok |
| Abilityai/trinity ability.ai Self-hosted AI Agents Platform supporting Claude Code, Codex, Gemini agents. Apache 2.0. | 535 | Claude Code, Codex, OpenCode | 2 | 8,414 tok |
| ioniks/MarkdownTaskManager Local-first Kanban task manager | 534 | Claude Code | 1 | — |
| gemini-cli-extensions/code-review Google's Code Review extension for the Gemini CLI that reviews your code changes | 534 | Gemini CLI | 1 | 95 tok |
| stablyai/agent-slack onorca.dev Slack automation CLI for AI agents | 534 | Codex, OpenCode | 1 | 116 tok |
| ClickHouse/agent-skills clickhouse.ai The official Agent Skills for ClickHouse and ClickHouse Cloud | 534 | Codex, OpenCode | 1 | 1,897 tok |
| evolution-foundation/evo-nexus openclaude.evolutionfoundation.com.br The open source operating system for AI-powered businesses | 533 | Claude Code | 5 | — |
| AAAAAAAJ/slides slides generates prompts for various expression styles | 533 | Claude Code | 1 | 782 tok |
| butterbase-ai/butterbase-skills Plugin for Butterbase.ai | 533 | Claude Code | 1 | 3,437 tok |
| ArtemXTech/personal-os-skills lab.artemzhutov.com Claude Code skills for Obsidian | Claude Code x Obsidian Lab starts May 5 | 533 | Claude Code | 1 | 449 tok |
| tarampampam/webhook-tester wh.tarampamp.am 🔭 Powerful tool for testing WebHooks and more | 533 | Codex, GitHub Copilot, OpenCode | 2 | 1,462 tok |
| vibeeval/vibecosystem AI software team for Claude Code - 138 agents, 295 skills, 73 hooks. Self-learning, multi- | 531 | Codex, OpenCode | 1 | 241 tok |
| chorus-codes/chorus chorus.codes Multi-LLM peer review for code decisions. Bring your own CLI; Chorus convenes 2-4 other LL | 531 | Claude Code, Codex, OpenCode | 2 | 79 tok |
| wbh604/fund-guy-skill wbh604.github.io Oops, I’m surrounded by gay men! So people may ask: “Streamer, is there a simple and easy | 531 | Claude Code, Codex, OpenCode | 3 | 843 tok |
| guokaigdg/react-seed guokaigdg.github.io 🌱 React Seed: A seed, infinite possibilities. React Seed seed project, one seed with infi | 530 | Codex, OpenCode | 1 | 5,007 tok |
| sc932/resume My CV/resume in LaTeX. | 530 | Codex, OpenCode | 1 | 1,794 tok |
| InvadingOctopus/comedot store.godotengine.org Godot template and component-based framework for 2D games. | 530 | Codex, OpenCode | 1 | 3,289 tok |
| FutureExcited/vibe-rules Save, load, distribute your AI rules | 529 | GitHub Copilot | 1 | 47 tok |
| shivprime94/file-itr | 529 | Claude Code, Codex, OpenCode | 2 | 539 tok |
| facebook/meta-wearables-dat-ios Meta Wearables Device Access Toolkit for iOS | 529 | Codex, GitHub Copilot, OpenCode | 2 | 15,817 tok |
| 8beeeaaat/touchdesigner-mcp npmjs.com MCP server for TouchDesigner | 529 | Claude Code, Codex, OpenCode | 9 | 2,772 tok |
| suboss87/FDEOps fdeops.io Forward deployed engineering skills for AI coding agents. | 529 | Codex, OpenCode | 1 | 362 tok |
| Shpigford/nurb nurb.dev Agentic CAD for 3D printing | 529 | Claude Code, Codex, OpenCode | 5 | 4,129 tok |
| truecourse-ai/truecourse truecourse.dev AI-powered architecture analysis and code intelligence. Detects circular deps, layer viola | 528 | Claude Code, Codex, OpenCode | 2 | 9,004 tok |
| OpenLabs-so/openanalytics getopen.so Open-source, privacy-first and cookieless web analytics with revenue attribution and an MC | 528 | Codex, OpenCode | 1 | 1,276 tok |
| Lynavo/lynavo-drive drive.lynavo.io LynavoDrive (Lynavo Drive) by Lynavo - an open-source alternative to iCloud and Google Pho | 527 | Codex, OpenCode | 1 | 2,750 tok |
| Obiente/nc-native nc-native.obiente.dev Adaptive native Nextcloud client for mobile and desktop, with dynamic support for the wide | 527 | Codex, GitHub Copilot, OpenCode | 2 | 8,419 tok |
| ehmo/platform-design-skills Platform design skill pack: 300+ rules for Apple HIG, Material Design 3, and WCAG 2.2 acro | 526 | Claude Code, Codex, OpenCode | 2 | 218 tok |
| jaylfc/taOS taos.my Self-hosted AI agent OS. Your memory, chat, agents, and files stay on hardware you own, of | 526 | Claude Code, Codex, OpenCode | 4 | 277 tok |
| askalf/dario npmjs.com Use your Claude and ChatGPT subscriptions in Cursor, Cline, Aider, Claude Code and the Age | 526 | Claude Code | 1 | 634 tok |
| yashmulgaonkar/FlightScnr_Pi Desktop flight and marine radar: a real-time aircraft and marine vessel tracker powered by | 526 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 1,865 tok |
| allenhutchison/obsidian-gemini allenhutchison.github.io An obsidian plugin to interact with Google Gemini | 525 | Claude Code, Codex, Gemini CLI, OpenCode | 11 | 7,929 tok |
| ex-machina-co/opencode-anthropic-auth | 525 | Codex, OpenCode | 1 | 132 tok |
| NVIDIA/cosmos-framework Our inference and training framework to run on the Cosmos Models | 525 | Claude Code, Codex, OpenCode | 6 | 1,920 tok |
| firstintent/ccteam ccteam turns the coding agents you already run (Claude Code, Codex, Grok, DeepSeek Harness | 525 | Claude Code, Codex, OpenCode | 3 | 7,466 tok |
| transilienceai/communitytools transilience.ai Open-source Claude Code skills, agents, and slash commands for AI-powered penetration test | 524 | Claude Code | 2 | 1,060 tok |
| nirholas/XActions xactions.app ⚡ The Complete X/Twitter Automation Toolkit — Scrapers, MCP server for AI agents (Claude/G | 524 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 11 | 8,439 tok |
| GMGNAI/gmgn-skills gmgn.ai GMGN OpenAPI skills for AI Agent — query tokens, wallets, and market data, and execute on- | 524 | Claude Code | 1 | 3,155 tok |