21,881 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 agents7,374Claude Code6,573Data and AI3,706Backend and APIs3,486Languages3,398Planning3,181Git and workflow3,100Code review2,701Memory and context2,354Testing2,311Research2,292DevOps and cloud2,282Writing and docs2,269Frontend2,250Security1,980Productivity1,695
All Claude Code32,004 Codex23,112 OpenCode21,881 GitHub Copilot3,501 Gemini CLI1,902 Cursor1,724 Windsurf62 Kiro40
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| NomaDamas/k-skill k-skill.nomadamas.org A collection of skills for Koreans — turn your Agent into a Korean | 7,439 | Claude Code, Codex, OpenCode | 2 | 3,500 tok |
| rikkahub/rikkahub rikka-ai.com RikkaHub is an Android APP that supports for multiple LLM providers. | 7,438 | Claude Code, Codex, OpenCode | 7 | 997 tok |
| 1weiho/open-slide open-slide.dev A slide framework built for agents. | 7,434 | Claude Code, Codex, OpenCode | 10 | 792 tok |
| xirong/my-git Git as the control plane for AI-native software engineering | A Git change-control handboo | 7,398 | Codex, OpenCode | 1 | 493 tok |
| wiremock/wiremock wiremock.org A tool for mocking HTTP services | 7,358 | Claude Code, Codex, OpenCode | 3 | 596 tok |
| thewh1teagle/vibe thewh1teagle.github.io Transcribe on your own! | 7,353 | Codex, OpenCode | 2 | 360 tok |
| telepresenceio/telepresence telepresence.io Local development against a remote Kubernetes or OpenShift cluster | 7,293 | Claude Code, Codex, OpenCode | 9 | 4,458 tok |
| Serial-Studio/Serial-Studio serial-studio.com Open-source telemetry dashboard. Supports UART, BLE, MQTT, Modbus, CAN Bus and more. | 7,185 | Claude Code, Codex, OpenCode | 19 | 12,679 tok |
| strands-agents/harness-sdk strandsagents.com Build an agent harness and control it end-to-end. Open-source SDK for production AI agents | 7,168 | Claude Code, Codex, OpenCode | 11 | 2,785 tok |
| enricoros/big-AGI big-agi.com AI suite powered by state-of-the-art models and providing advanced AI/AGI functions. Inclu | 7,114 | Claude Code, Codex, OpenCode | 2 | 2,707 tok |
| SWE-agent/mini-swe-agent mini-swe-agent.com The 100 line AI agent that solves GitHub issues or helps you in your command line. Radical | 7,080 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 1,358 tok |
| NVIDIA-NeMo/Guardrails docs.nvidia.com NeMo Guardrails is an open-source toolkit for easily adding programmable guardrails to LLM | 7,072 | Claude Code, Codex, OpenCode | 2 | 2,415 tok |
| un-pany/v3-admin-vite un-pany.github.io ☀️ AI-friendly Vue3 admin template | Vue Admin | Vue Template | Vue3 Admin | Vue3 Template | 7,053 | Claude Code, Codex, OpenCode | 2 | 1,444 tok |
| zhu1090093659/dsh-web dsh-market.com DeepSeek Harness (DSH) Web Plugin Aggregation Ecosystem · Everything is a plugin, distribu | 7,039 | Claude Code, Codex, OpenCode | 6 | 2,667 tok |
| grab/cursor-talk-to-figma-mcp figma.com TalkToFigma: MCP integration between AI Agent (Cursor, Claude Code, Codex) and Figma, allo | 6,994 | Claude Code, Codex, OpenCode | 2 | 1,699 tok |
| trailofbits/skills Trail of Bits Claude Code skills for security research, vulnerability detection, and audit | 6,988 | Claude Code, Codex, OpenCode | 2 | 4,752 tok |
| tw93/Waza 🥷 Engineering habits you already know, turned into skills Claude can run. | 6,974 | Claude Code, Codex, OpenCode | 2 | 4,505 tok |
| TraderAlice/OpenAlice openalice.ai Your one-person Wall Street. An AI trading agent covering equities, crypto, commodities, f | 6,972 | Claude Code, Codex, OpenCode | 3 | 2,517 tok |
| Kiranism/next-shadcn-dashboard-starter dub.sh Free, open source, AI-friendly admin dashboard template built with Next.js 16, shadcn/ui, | 6,954 | Claude Code, Codex, OpenCode | 2 | 7,011 tok |
| evidence-dev/evidence evidence.dev Business intelligence as code: build fast, interactive data visualizations in SQL and mark | 6,911 | Claude Code, Codex, OpenCode | 2 | 294 tok |
| nuxt/ui ui.nuxt.com The Intuitive Vue UI Library powered by Reka UI & Tailwind CSS. | 6,885 | Claude Code, Codex, OpenCode | 2 | 2,110 tok |
| open-multi-agent/open-multi-agent open-multi-agent.com TypeScript multi-agent framework that runs in your own environment: consequential actions | 6,884 | Claude Code, Codex, OpenCode | 2 | 3,201 tok |
| deanpeters/Product-Manager-Skills Product Management skills framework built on battle-tested methods for Claude Code, Cowork | 6,863 | Claude Code, Codex, OpenCode | 2 | 12,521 tok |
| max-sixty/worktrunk worktrunk.dev Worktrunk is a CLI for Git worktree management, designed for parallel AI agent workflows | 6,858 | Claude Code, Codex, OpenCode | 5 | 7,177 tok |
| olimorris/codecompanion.nvim codecompanion.olimorris.dev ✨ AI Coding, Vim Style | 6,837 | Claude Code, Codex, OpenCode | 2 | 1,433 tok |
| stagewise-io/stagewise stagewise.io The Open Source Agentic IDE. Create and orchestrate coding agents, show app previews and r | 6,805 | Claude Code, Codex, OpenCode | 11 | 1,611 tok |
| bda-research/node-crawler Web Crawler/Spider for NodeJS + server-side jQuery ;-) | 6,794 | Codex, OpenCode | 1 | 408 tok |
| wbh604/UZI-Skill This is how cold hard cash flows into my warm pockets — hot-money trader (UZI) Skills — we | 6,781 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 6,842 tok |
| xerrors/Yuxi xerrors.github.io A self-hosted multi-tenant knowledge agent platform: unified RAG, knowledge graphs, multi- | 6,763 | Claude Code, Codex, OpenCode | 2 | 1,920 tok |
| anomalyco/models.dev models.dev An open-source database of AI models. | 6,758 | Codex, OpenCode | 5 | 3,107 tok |
| htdt/godogen x.com Autonomous game development for Godot, Bevy, and Babylon.js with Claude Code and Codex | 6,741 | Claude Code, Codex, OpenCode | 2 | 307 tok |
| MrLesk/Backlog.md backlog.md Backlog.md - A tool for managing project collaboration between humans and AI Agents in a g | 6,657 | Claude Code, Codex, GitHub Copilot, OpenCode | 5 | 2,107 tok |
| GreptimeTeam/greptimedb greptime.com The open-source observability database. One columnar engine for metrics, logs, and traces, | 6,647 | Claude Code, Codex, OpenCode | 6 | 1,992 tok |
| steipete/summarize summarize.sh Point at any URL/YouTube/Podcast or file. Get the gist. CLI and Chrome Extension. | 6,599 | Codex, OpenCode | 2 | 543 tok |
| SawyerHood/dev-browser A Claude Skill to give your agent the ability to use a web browser | 6,593 | Claude Code, Codex, OpenCode | 2 | 212 tok |
| outsourc-e/hermes-workspace hermes-workspace.com Native web workspace for Hermes Agent — chat, terminal, memory, skills, inspector. | 6,579 | Codex, OpenCode | 1 | 1,699 tok |
| j3ssie/osmedeus osmedeus.org A Modern Orchestration Engine for Security | 6,551 | Claude Code, Codex, OpenCode | 2 | 8,804 tok |
| kvcache-ai/Mooncake kvcache-ai.github.io Mooncake is the serving platform for Kimi, a leading LLM service provided by Moonshot AI. | 6,509 | Claude Code, Codex, OpenCode | 5 | 320 tok |
| crestalnetwork/intentkit intentcat.com IntentKit is an open-source, self-hosted cloud agent cluster that manages a collaborative | 6,509 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 5 | 13 tok |
| sapientinc/PRAXIST praxist.sapient.inc Autonomous research system for measurable, computer-executable research. | 6,481 | Codex, OpenCode | 1 | 7,475 tok |
| op7418/CodePilot codepilot.sh A multi-model AI agent desktop client — connect any AI provider, extend with MCP & skills, | 6,449 | Claude Code, Codex, OpenCode | 2 | 6,636 tok |
| gepa-ai/gepa gepa-ai.github.io Optimize prompts, code, and more with AI-powered Reflective Optimization | 6,440 | Claude Code, Codex, OpenCode | 3 | 452 tok |
| orval-labs/orval orval.dev orval is able to generate client with appropriate type-signatures (TypeScript) from any va | 6,434 | Codex, OpenCode | 1 | 439 tok |
| apache/iotdb iotdb.apache.org Apache IoTDB | 6,390 | Claude Code, Codex, OpenCode | 4 | 4,041 tok |
| Gentleman-Programming/engram engram.gentlemanprogramming.com Persistent memory system for AI coding agents. Agent-agnostic Go binary with SQLite + FTS5 | 6,364 | Codex, OpenCode | 1 | 984 tok |
| Arthur-Ficial/apfel apfel.franzai.com The free AI already on your Mac. CLI tool, OpenAI-compatible server, and interactive chat | 6,349 | Claude Code, Codex, OpenCode | 3 | 7,080 tok |
| getsentry/XcodeBuildMCP xcodebuildmcp.com A Model Context Protocol (MCP) server and CLI that provides tools for agent use when worki | 6,347 | Claude Code, Codex, OpenCode | 13 | 4,726 tok |
| flashinfer-ai/flashinfer flashinfer.ai FlashInfer: Kernel Library for LLM Serving | 6,340 | Claude Code, Codex, OpenCode | 5 | 11,398 tok |
| Gentleman-Programming/gentle-ai gentle-ai.gentlemanprogramming.com Gentle-AI configures the AI coding agents you already use: Claude Code, Cursor, OpenCode, | 6,328 | Codex, OpenCode | 1 | 691 tok |
| Nukesor/pueue :stars: Manage your shell commands. | 6,320 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 529 tok |