22,053 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 |
|---|---|---|---|---|
| brave/brave-search-skills api.search.brave.com Official skills for using Brave Search API with AI coding agents. | 176 | Codex, OpenCode | 1 | 789 tok |
| nwiizo/nippo crates.io Daily report management repository. | 176 | Claude Code, Codex, OpenCode | 2 | 423 tok |
| magnus919/hermes-profiles Curated Hermes Agent profiles for specialist swarms — opinionated, Hermes-optimized, artif | 176 | Codex, OpenCode | 1 | 798 tok |
| step-security/dev-machine-guard stepsecurity.io Scan your dev machine for AI agents, MCP servers, IDE extensions, and suspicious packages | 175 | Codex, OpenCode | 1 | 11,386 tok |
| damiansire/web-worker-patterns An interactive platform demonstrating advanced Web Worker patterns and architectural strat | 175 | Claude Code, Codex, GitHub Copilot, OpenCode | 5 | 2,550 tok |
| mitchdenny/hex1b hex1b.dev The .NET Terminal Application Stack | 175 | Claude Code, Codex, OpenCode | 10 | 3,232 tok |
| Khalilzhang0825/boring-is-all-you-need Boring Is All You Need: a Codex Desktop workflow replacement with transactional migration, | 175 | Codex, OpenCode | 1 | 422 tok |
| Kilo-Org/kilo-marketplace Kilo Marketplace - A curated collection of Skills, MCP Servers, and Modes for enhancing AI | 175 | Codex, OpenCode | 1 | 788 tok |
| Luligu/matterbridge-zigbee2mqtt Matterbridge zigbee2mqtt plugin | 175 | Claude Code, Codex, GitHub Copilot, OpenCode | 4 | 1,410 tok |
| github/gh-aw-mcpg Github Agentic Workflows MCP Gateway | 175 | Claude Code, Codex, OpenCode | 3 | 7,955 tok |
| cloudQuant/backtrader backtrader.readthedocs.io High-performance Python backtesting & live-trading framework: 45%+ faster than upstream, 5 | 175 | Claude Code, Codex, OpenCode | 2 | 7,272 tok |
| lmwilki/civ6-mcp civ6-mcp.lwilko.com An MCP server that lets LLM agents play Civilization VI. | 175 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 5,820 tok |
| nikolai-vysotskyi/trace-mcp trace-mcp.com Framework-aware code intelligence MCP server for Claude Code and Codex — 70.5% fewer input | 175 | Claude Code, Codex, OpenCode | 2 | 5,632 tok |
| QuentinCody/interlinked-cli The harness for your harness. Local hooks, taste enforcement, and developer observability | 175 | Claude Code, Codex, OpenCode | 2 | 22,056 tok |
| tensorlakeai/tensorlake-skills Coding agent skill for Tensorlake. Routes Claude Code, OpenAI Codex, and other AI agents t | 174 | Codex, OpenCode | 1 | 851 tok |
| andylow92/file-system-brain-mcp Self-improving, AI-native markdown vault you hand to an AI agent. GitHub-style file tree + | 174 | Codex, OpenCode | 1 | 7,154 tok |
| resend/resend-skills Agent Skills for working with Resend to send and receive emails. | 174 | Claude Code, Codex, OpenCode | 2 | 174 tok |
| ralcorta/arcasdk afipts.com SDK para los Web Services de AFIP | 174 | Codex, OpenCode | 1 | 1,079 tok |
| Kpa-clawbot/CoreScope MeshCore mesh network analyzer — live packet visualization, VCR replay, channel decryption | 174 | Claude Code, Codex, GitHub Copilot, OpenCode | 4 | 7,204 tok |
| Lulzx/cuda-metal CUDA compiler and runtime for Apple Silicon | 174 | Codex, OpenCode | 1 | 1,077 tok |
| kky42/codex-as-mcp Convert codex CLI tool to an MCP — unleash the power of GPT-5 | 174 | Claude Code, Codex, OpenCode | 2 | 809 tok |
| kdroidFilter/Zayit zayitapp.com Zayit is a free app to read, search, and explore Jewish study texts. Built for study: fast | 173 | Claude Code, Codex, OpenCode | 2 | 2,964 tok |
| unnecessary-special-projects/ghist Task management that lives in your repo | 173 | Claude Code, Codex, OpenCode | 4 | 738 tok |
| ston-fi/ton-rs Rust libraries for working with the TON blockchain: cells, TLB, addresses, wallets, contra | 173 | Codex, OpenCode | 1 | 764 tok |
| Coding-Dev-Tools/engraphis engraphis.com Local-first, inspectable memory for coding agents: durable context across sessions and rep | 173 | Claude Code, Codex, OpenCode | 2 | 6,029 tok |
| ma2za/python-substack ma2za.github.io Write and safely manage Substack drafts from Markdown with Python, CLI, and MCP. | 173 | Codex, Gemini CLI, OpenCode | 4 | 814 tok |
| qqzhangyanhua/learn-opencode-agent book.zyh.lol A tutorial on learning and practicing with the OpenCode AI Coding Agent, covering Agents, | 173 | Claude Code, Codex, OpenCode | 2 | 3,973 tok |
| dredozubov/hazmat Containment for AI agents - user isolation, sandboxed execution, network controls, backup/ | 173 | Claude Code, Codex, OpenCode | 2 | 4,274 tok |
| erduo1998-cell/ip-strategist An open-source skill that turns any AI agent into a personal branding strategist · distill | 173 | Codex, OpenCode | 1 | 1,280 tok |
| xindoo/sumeru Xumi Writing, a SKILL focused on writing long-form novels. | 172 | Claude Code, Codex, OpenCode | 2 | 3,881 tok |
| contentful/contentful-export This tool allows you to export a Contentful space to a JSON dump | 172 | Codex, OpenCode | 1 | 1,177 tok |
| lincwang123-bot/moonlit-stories Reusable AI English picture-book workflow with consistent illustrations and local Chatterb | 172 | Codex, OpenCode | 1 | 435 tok |
| Hmbown/Hegelion hegelion-web.pages.dev Dialectical reasoning architecture for LLMs (Thesis → Antithesis → Synthesis) | 172 | Claude Code, Codex, OpenCode | 3 | 1,804 tok |
| marimo-team/skills skills for coding agents related to marimo | 172 | Claude Code, Codex, OpenCode | 2 | 155 tok |
| Yesterday-AI/paperclip-plugin-company-wizard npmjs.com Bootstrap AI agent companies from modular templates. | 172 | Claude Code, Codex, OpenCode | 2 | 3,783 tok |
| sendaifun/solana-new solana.new think. build. ship. tasteful & useful crypto apps. using a curated skills + knowledge base | 172 | Claude Code, Codex, OpenCode | 2 | 1,642 tok |
| PsiACE/skills skills.psiace.me A small, shared skill library by builders, for builders. | 172 | Codex, OpenCode | 1 | 88 tok |
| integromat/make-mcp-server Make MCP Server | 172 | Claude Code, Codex, OpenCode | 2 | 913 tok |
| nuxt-modules/mcp-toolkit mcp-toolkit.nuxt.dev Create MCP servers directly in your Nuxt application. Define tools, resources, and prompts | 172 | Codex, OpenCode | 1 | 8,961 tok |
| devlint/GitWand gitwand.app The Git client that actually resolves conflicts: 8 deterministic patterns auto-resolve the | 172 | Claude Code, Codex, OpenCode | 13 | 3,437 tok |
| Byndyusoft/aact CLI and library for validating, analyzing, and generating the architecture of microservice | 172 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 2,408 tok |
| dylanroscover/Embody embody.tools MCP server for TouchDesigner — build, wire, and debug networks with AI. Plus git-diffable | 172 | Claude Code, Codex, OpenCode | 28 | 4,791 tok |
| ilindaniel/ponytail-lite Stop agents from over-engineering. Inspired by Ponytail, but without the plugin madness. J | 172 | Codex, OpenCode | 1 | 559 tok |
| Cuongyd196/auto-compare-video facebook.com 🎬 Tạo video "so sánh kiến thức" ngắn tự động — HyperFrames + AI voice, 1 template nhiều c | 172 | Claude Code, Codex, OpenCode | 2 | 3,428 tok |
| Ingar30/reviewer | 172 | Codex, OpenCode | 2 | 1,224 tok |
| lfnovo/content-core Extract what matters from any media source | 172 | Claude Code, Codex, OpenCode | 2 | 3,028 tok |
| vercel-labs/konsistent CLI tool that enforces structural conventions in TypeScript codebases. | 172 | Claude Code, Codex, OpenCode | 4 | 495 tok |
| smnandre/symfony-ux-skills ux.symfony.com Symfony UX skills for Claude, Gemini, Codex, ... Live Component, Twig Component, Turbo, St | 171 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 1,146 tok |
| idaibin/rustzen-admin admin.rustzen.dev A structured monorepo for Rust full-stack admin systems, with an Axum backend, React front | 171 | Codex, OpenCode | 1 | 662 tok |
| tasmirz/jagoo-bahee | 171 | Claude Code, Codex, OpenCode | 2 | 10,260 tok |