43,549 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 docs2,297Research2,295Frontend2,250Security2,004Productivity1,709
All Claude Code32,117 Codex23,281 OpenCode22,054 GitHub Copilot3,543 Gemini CLI1,915 Cursor1,736 Windsurf119 Kiro77
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| browser-use/browsercode The browser-native agent framework | 713 | Codex, OpenCode | 2 | 2,677 tok |
| staruhub/ClaudeSkills staruhub.github.io 13 curated Agent Skills for research, product decisions, decks, publishing, audits, and mo | 712 | Codex, OpenCode | 1 | 971 tok |
| ihub-pub/plugins doc.ihub.pub A set of Gradle plugins that greatly simplify project management. | 711 | Claude Code | 1 | 6,974 tok |
| runesleo/claude-code-workflow leolabs.me QuietHarness: A lightweight AI work system shared by Claude Code, Codex, and Cursor | 711 | Claude Code, Codex, OpenCode | 2 | 256 tok |
| basler/pypylon baslerweb.com The official Python language binding for the Basler pylon C++ APIs | 711 | Codex, OpenCode | 1 | 1,304 tok |
| solokeys/solo2 solo2.dev Solo 2 firmware in Rust | 711 | Codex, OpenCode | 1 | 1,317 tok |
| codewithmukesh/dotnet-claude-kit codewithmukesh.com Make Claude Code a .NET 10 Expert | 711 | Claude Code, Codex, OpenCode | 2 | 5,075 tok |
| openclaw/nix-openclaw Packages OpenClaw for nix. | 710 | Codex, OpenCode | 1 | 872 tok |
| smallmain/vscode-unify-chat-provider Integrate multiple LLM API providers into VS Code's GitHub Copilot Chat using the Language | 710 | Claude Code, Codex, OpenCode | 6 | 271 tok |
| jeremymailen/kotlinter-gradle Painless, fast ktlint plugin for Gradle | 710 | Claude Code | 1 | 302 tok |
| onmax/nuxt-skills Vue, Nuxt, and NuxtHub skills for AI coding assistants. | 709 | Claude Code | 1 | 452 tok |
| dbt-labs/dbt-agent-skills A curated collection of Agent Skills for working with dbt, to help AI agents understand an | 709 | Claude Code | 1 | 454 tok |
| BigSweetPotatoStudio/HyperChat HyperChat is a Chat client that strives for openness, utilizing APIs from various LLMs to | 708 | Claude Code, GitHub Copilot, Gemini CLI | 4 | 11,778 tok |
| hailo-ai/hailo_model_zoo The Hailo Model Zoo includes pre-trained models and a full building and evaluation environ | 708 | Claude Code | 3 | — |
| AgriciDaniel/codex-seo Codex-first SEO skill suite. 26 workflows, 24 TOML agents, DataForSEO/Gemini/Google/Firecr | 708 | Codex, OpenCode | 1 | 553 tok |
| alinaqi/maggy srooter.ai What started as an opinionated Claude Code setup kit is now an autonomous AI engineering c | 707 | Claude Code | 1 | 2,250 tok |
| steve02081504/fount steve02081504.github.io 🪄 Magic is a world of imagination—turn intention into voice. 💫 | 707 | Claude Code, Codex, OpenCode | 3 | 2,370 tok |
| yusukebe/ax ax.yusuke.run The AI-era curl | 707 | Claude Code | 1 | 722 tok |
| hackerai-tech/hackerai hackerai.co Find and fix vulnerabilities by chatting with AI | 707 | Claude Code, Codex, OpenCode | 3 | 2,420 tok |
| rekog-labs/MCP-Nest A NestJS module to effortlessly create Model Context Protocol (MCP) servers for exposing A | 706 | Claude Code | 1 | 1,008 tok |
| peters/horizon GPU-accelerated terminal board that puts all your sessions on an infinite canvas | 706 | Claude Code, Codex, OpenCode | 2 | 7,645 tok |
| mohebifar/tooscut tooscut.app Professional video editing, right in your browser. Made with Rust, WebGPU, WASM, and Tanst | 704 | Claude Code, Codex, Cursor | 4 | 1,668 tok |
| probelabs/probe probelabs.com AI-friendly semantic code search engine for large codebases. Combines ripgrep speed with t | 703 | Claude Code | 2 | 9,231 tok |
| vybestack/llxprt-code vybestack.dev An open-source multi-provider AI assisted CLI development tool. Use whatever LLM you want | 701 | Claude Code, Codex, Gemini CLI, OpenCode | 5 | 155 tok |
| jason-effi-lab/karpathy-llm-wiki-vault | 701 | Claude Code | 4 | 1,191 tok |
| timescale/tigerfs tigerfs.io Mount PostgreSQL as a filesystem. Build apps with files, explore databases with ls and cat | 700 | Claude Code | 1 | 3,227 tok |
| arklexai/Agent-First-Organization arklex.ai The official Python library for Arklex framework | 699 | Claude Code | 8 | 633 tok |
| yoheimuta/protolint A pluggable linter and fixer to enforce Protocol Buffer style and conventions. | 699 | Claude Code | 2 | — |
| nominal-io/instro instro.nominal.io An open-source library for hardware test instrumentation | 698 | Claude Code, Codex, GitHub Copilot, OpenCode | 7 | 7,394 tok |
| naver/fixture-monkey naver.github.io Let Fixture Monkey generates fully-customizable, randomly populated instance. Focus on the | 697 | Claude Code | 1 | 1,379 tok |
| ruby2d/ruby2d ruby2d.com 🎨 The Ruby 2D gem | 697 | Claude Code, Codex, OpenCode | 2 | 998 tok |
| Linfee/spec-kit-cn Clone of https://github.com/github/spec-kit but in Chinese | 697 | Claude Code, Codex, OpenCode | 2 | 3,787 tok |
| jaseci-labs/jac jaclang.org The Jac Programming Language -- The language for any human or AI looking to use one langua | 697 | GitHub Copilot | 1 | 635 tok |
| jame581/GodotPrompter Agentic skills framework for Godot 4.x. Domain-specific skills for AI coding agents (Claud | 697 | Claude Code, Codex, Gemini CLI, OpenCode | 5 | 1,683 tok |
| s0ld13rr/pentestcode PentestCode - Multi-agent AI penetration testing system with persistent engagement state, | 697 | Claude Code, Codex, OpenCode | 2 | 11,646 tok |
| gmickel/flow-next flow-next.dev Repeatable agentic engineering. The workflow layer that turns AI coding agents into a disc | 696 | Claude Code, Codex, OpenCode | 3 | 1,091 tok |
| frontman-ai/frontman frontman.sh The AI agent that lives in your framework/browser | 695 | Claude Code, Codex, Cursor, OpenCode | 6 | 4,400 tok |
| nateherkai/token-dashboard See where Claude Code is burning tokens - turn raw JSONL transcripts into local cost analy | 695 | Claude Code | 1 | 787 tok |
| Tencent/loli_profiler Memory instrumentation tool with CI and AI support for android app&game developers. | 694 | Claude Code | 1 | 592 tok |
| CommonstackAI/UncommonRoute Automatic LLM router — 82% cost savings, 79.4% accuracy, 93.4% pass rate. Drop-in OpenAI p | 693 | Codex | 1 | — |
| pdovhomilja/nextcrm-app demo.nextcrm.io NextCRM — Open-source CRM built with Next.js 16, React 19, PostgreSQL, Prisma 7, and shadc | 693 | Codex, OpenCode | 1 | 1,428 tok |
| msrbuilds/elementor-mcp emcptools.com WordPress plugin that turns Elementor & WordPress into an MCP server. 200+ AI-ready tools | 693 | Claude Code | 3 | 31,890 tok |
| strands-agents/sdk-typescript strandsagents.com A model-driven approach to building AI agents in just a few lines of code. | 693 | Claude Code, Codex, OpenCode | 2 | 10,611 tok |
| Buoy-gg/buoy buoy.gg Devtools that live in your React Native app. And answer to your agent. 15 tools · desktop | 691 | Codex, OpenCode | 1 | 441 tok |
| michaelshimeles/skills Agent skills and an AGENTS.md workflow template — isolate in worktrees, build to a service | 691 | Codex, OpenCode | 1 | 1,285 tok |
| FerroxLabs/agents-md Drop-in AGENTS.md that makes every coding agent behave like a senior engineer instead of a | 690 | Codex, OpenCode | 1 | 2,366 tok |
| JordanCoin/codemap a project brain for your AI. Give LLMs instant architectural context without burning token | 689 | Claude Code | 3 | 372 tok |
| HazAT/pi-interactive-subagents Interactive subagents for pi — spawn, orchestrate, and manage sub-agent sessions in cmux t | 689 | Claude Code, Codex | 2 | — |
| huiliyi37/Tianshu-harness Tianshu (天枢) is a terminal programming Agent runtime based on harness engineering (Tui X G | 688 | Claude Code, Codex, OpenCode | 2 | 9,567 tok |
| vercel-labs/ai-cli ai-cli.dev Generate anything from your terminal | 687 | Codex, OpenCode | 1 | 466 tok |