43,636 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 agents7,571Claude Code6,627Data and AI3,684Backend and APIs3,492Languages3,401Planning3,221Git and workflow3,179Code review2,740Testing2,368Memory and context2,365Writing and docs2,309DevOps and cloud2,308Research2,298Frontend2,256Security2,015Productivity1,715
All Claude Code31,984 Codex23,196 OpenCode22,145 GitHub Copilot3,551 Gemini CLI1,917 Cursor1,736 Windsurf133 Kiro79
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| mpuig/claude-cloud-diagrams An AI agent that explores your AWS account and draws what it finds. Not a perfect map. A u | 13 | Claude Code | 1 | 346 tok |
| context4ai/agent-graph npmjs.com Graph Engineering for Agent Skills: a specification and toolchain for dynamically discover | 13 | Codex, OpenCode | 1 | 442 tok |
| byronxlg/skillfold byronxlg.github.io Declarative skill manager for Claude Code and Codex. Declare skills in YAML, pin exact rev | 13 | Claude Code, Codex, OpenCode | 2 | 1,896 tok |
| oubakiou/mdxg-redline Inline review tool for MDXG markdown — capture highlighted comments and export them as str | 13 | Claude Code, Codex, OpenCode | 4 | 585 tok |
| Tencent-RTC/agent-skills trtc.io TRTC AI Integration Assistant - helps developers integrate Tencent Real-Time Communication | 13 | Claude Code, Codex, OpenCode | 2 | 1,537 tok |
| oubakiou/md2idx md2idx — Markdown to indexed JSON. Slice big docs with jq, feed LLMs only what they need. | 13 | Claude Code, Codex, OpenCode | 4 | 526 tok |
| mixedbread-ai/skills mixedbread.com Agent skills for search, RAG, and document parsing with Mixedbread. Install with: npx skil | 13 | Claude Code | 1 | 1,397 tok |
| tmux-python/libtmux-mcp libtmux-mcp.git-pull.com MCP for tmux, powered by libtmux | 13 | Claude Code, Codex, OpenCode | 3 | 865 tok |
| frankbolero/dotnet-dump-mcp 🤖 An AI-native CLI Tool and MCP server for .NET memory dump investigations. Leverage LLMs | 13 | Claude Code, Codex, OpenCode | 3 | 1,826 tok |
| DennysOliveira/wow-addon-dev WoW addon development skills for Claude Code — Midnight 12.0+ Secret Values, API migration | 13 | Claude Code | 6 | 58 tok |
| montezuma-p/harken crates.io Your agent cannot listen to audio. harken fixes that — locally. MCP server + CLI, one 13 M | 13 | Claude Code | 1 | 2,689 tok |
| ariaxhan/kernel-claude Claude Code learns from itself. Persistent memory, multi-agent orchestration, and a scient | 13 | Claude Code, Codex, OpenCode | 4 | 13,388 tok |
| agentic-hil/agentic-hil agentic-hil.github.io Let your coding agent develop firmware on the real board, with the hardware as the gate. | 13 | Claude Code, Codex, OpenCode | 2 | 5,815 tok |
| zircote/lsp-tools LSP-first code intelligence for Claude Code with strong enforcement patterns. Part of the | 13 | Claude Code, GitHub Copilot | 2 | 574 tok |
| zhitongblog/unterm unterm.app The terminal AI agents can drive — and the cockpit to run them from. 99 MCP methods / 21 n | 13 | Claude Code | 1 | 1,773 tok |
| taehyeonglim/korean-elementary-learning-map-mcp MCP server for the Korean elementary school 2022 revised curriculum learning graph — inclu | 13 | Claude Code | 1 | 918 tok |
| SidneyBissoli/medical-terminologies-mcp medical.sidneybissoli.com MCP Server for global medical terminologies: ICD-11, SNOMED CT, LOINC, RxNorm, MeSH | 13 | Claude Code | 1 | 10,194 tok |
| pedrobraiti/agentic-trading-mcp Valet - MCP servers that let an AI agent (Claude Code) trade for real: Interactive Brokers | 13 | Claude Code | 1 | 3,211 tok |
| DatalisHQ/zuckerbot zuckerbot.ai Public ZuckerBot MCP client, CLI, agent skills and release source | 13 | Claude Code, Codex, OpenCode | 2 | 235 tok |
| SonAIengine/ku-portal-mcp pypi.org MCP server for Korea University KUPID portal & Canvas LMS — notices, schedules, library se | 13 | Claude Code | 1 | 292 tok |
| vargahis/monarch-mcp MCP Server for use with Monarch Money | 13 | Claude Code | 2 | 578 tok |
| cogni-work/insight-wave Open-source Claude Code plugins for knowledge work — consulting, B2B sales, marketing, and | 13 | Claude Code | 1 | 10,511 tok |
| DankerMu/novel-writer-plugin Multi-Agent collaborative writing system for Chinese web fiction (Claude Code Plugin) | 13 | Claude Code, Codex | 11 | 2,911 tok |
| spanlens/Spanlens spanlens.io Open source LLM observability and monitoring. Drop-in proxy for OpenAI, Anthropic, and Gem | 13 | Claude Code | 2 | 19,588 tok |
| Learn57130/fable-5 Fable 5 methodology as a Claude Code plugin: decompose by verification boundaries, verify | 13 | Codex, OpenCode | 1 | 394 tok |
| aspekt19/unboxed-loyalty-spark | 13 | Codex, Cursor, OpenCode | 2 | 5,027 tok |
| richer-richard/fenestra crates.io Pure-Rust native GUI framework with web-grade aesthetics and first-class headless PNG rend | 13 | Claude Code, Codex, OpenCode | 2 | 3,490 tok |
| jungjaehoon-lifegamez/MAMA Local-first operating memory for AI coding agents - Claude Code, Codex, and any MCP client | 13 | Claude Code, Codex, OpenCode | 2 | 9,861 tok |
| samibs/skillfoundry skillfoundry.work AI engineering framework with quality gates, persistent memory, and multi-platform support | 13 | Claude Code, Codex, GitHub Copilot, OpenCode | 8 | 9,508 tok |
| harshii0509/designStack designStack is a collection of skills for people who have never written code or understand | 13 | Claude Code, Codex, OpenCode | 2 | 1,259 tok |
| lonestone/lonestone-boilerplate Starter kit for full-stack webapps, SaaS and websites with React and NestJS | 13 | Claude Code, Codex, OpenCode | 2 | 574 tok |
| LumabyteCo/clarifyprompt-mcp | 13 | Claude Code | 1 | — |
| teoobarca/perplexity-mcp Free Perplexity AI MCP server with multi-account pooling, React admin dashboard, zero-cost | 13 | Claude Code | 1 | 1,188 tok |
| temporal-cortex/mcp npmjs.com Calendar MCP server with atomic booking, conflict prevention, deterministic RRULE expansio | 13 | Codex, OpenCode | 1 | 538 tok |
| AndyShaman/Soroka Personal Telegram knowledge base — forward anything, search via DM. Hybrid SQLite + FTS5 + | 13 | Claude Code, Codex, OpenCode | 2 | 978 tok |
| jezweb/smart-prompts-mcp Enhanced MCP server for managing prompts from GitHub with intelligent discovery and compos | 13 | Claude Code | 1 | 1,500 tok |
| corbym/memoryweb A memory web MCP server for Agents. Stores knowledge as a graph of nodes connected by type | 13 | Claude Code, Codex, OpenCode | 2 | 7,874 tok |
| mozi-app/mermAId AI-agent-focused Mermaid editor for planning, with built-in MCP server and CLI tool | 13 | Claude Code, Codex, OpenCode | 2 | 370 tok |
| chenhunghan/garmin-mcp-app Garmin MCP app server | 13 | Claude Code | 2 | 4,602 tok |
| marduk191/qwen3_mcp MCP server for LM Studio with 80+ tools - file ops, git, web search, skills system | 13 | Claude Code | 1 | 5,679 tok |
| odyssey4me/agent-skills AI Agent Skills to support software architecture, design and development | 13 | Claude Code | 3 | 1,061 tok |
| srigi/mcp-google-images-search MCP server for searching images with Google | 13 | Claude Code | 1 | 712 tok |
| JSungMin/vs-token-safer Token-saving code search for AI coding agents — TypeScript, JavaScript & Python (zero setu | 13 | Claude Code | 1 | 19,098 tok |
| Athroniaeth/piighost piighost.athroniaeth.cloud Protect personal data (PII) in your LLM prompts. piighost hides sensitive values from the | 13 | Claude Code | 5 | 3,168 tok |
| RamaAditya49/titen titen.dev Agent memory that needs no API key, no LLM, and no embedding provider. One command on Bun | 13 | Claude Code, Codex, OpenCode | 2 | 1,715 tok |
| 199-biotechnologies/whatsrust WhatsApp in pure Rust. Single binary, 5 MB, 15 MB RAM. 54 API endpoints, 30 MCP tools, ful | 13 | Claude Code | 1 | 648 tok |
| eddmann/garmin-connect-cli eddmann.com Garmin Connect from your terminal. Pipe it, script it, automate it. | 13 | Claude Code, Codex, OpenCode | 2 | 88 tok |
| istota-project/istota istota.cynium.com Your intelligent personal OS | 13 | Claude Code, Codex, OpenCode | 4 | 7,346 tok |
| MindFlock/MindFlock mindflock.ai Run a flock of AI coding agents, each in its own git worktree, started by your ticket queu | 13 | Codex, OpenCode | 1 | 636 tok |
| ejklock/living-docs-skill Living Docs — a AI agent skill that runs your project's documentation as a living system: | 13 | Claude Code, GitHub Copilot | 5 | 3,295 tok |