How real projects configure their agents

43,608 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 agents7,557Claude Code6,620Data and AI3,682Backend and APIs3,496Languages3,401Planning3,217Git and workflow3,165Code review2,733Testing2,364Memory and context2,364DevOps and cloud2,310Writing and docs2,303Research2,297Frontend2,252Security2,013Productivity1,710

All Claude Code31,977 Codex23,157 OpenCode22,109 GitHub Copilot3,551 Gemini CLI1,917 Cursor1,739 Windsurf129 Kiro79

Project Stars Configures Files Always loaded
liyupi/github-claw ai.codefather.cn Build AI agents with GitHub: long-term memory + AI Agent skill packs (UI/UX, image generat 68 Codex, OpenCode 1 1,268 tok
pulumi/agent-skills Official Pulumi Agent Skills for writing, migrating, and operating infrastructure with AI 68 Claude Code, Codex, OpenCode 2 2,894 tok
jrenaldi79/harness-engineering Context engineering for coding agents - CLAUDE.md templates, mechanical enforcement, and a 68 Claude Code 3 2,791 tok
cmer81/open-meteo-mcp A comprehensive MCP server providing access to Open-Meteo weather APIs for Large Language 68 Claude Code 1 1,998 tok
contentful/skill-kit contentful.github.io TypeScript SDK for building agent skills as typed state machines — define steps, validate 68 Claude Code, Codex, OpenCode 5 2,833 tok
escapeboy/agent-fleet-o fleetq.net Open-source AI agent orchestration platform — self-hosted mission control for autonomous m 68 Claude Code 1 10,562 tok
bug-ops/mcpls Universal MCP to LSP bridge - expose Language Server Protocol capabilities as MCP tools fo 68 GitHub Copilot 7 3,708 tok
Yuki001/game-dev-skills My personal agent skill repository, primarily focused on game development. 68 Claude Code 1
assimovt/productskills Product skills for AI agents — discovery, strategy, prioritization, and PRD writing 68 Claude Code 1 936 tok
zelentsov-dev/asc-mcp MCP server for App Store Connect API - 502 tools for apps, builds, TestFlight, subscriptio 68 Claude Code, Codex, OpenCode 2 5,335 tok
kunickiaj/codemem codemem.sh A lightweight persistent-memory companion for OpenCode & Claude 68 Claude Code, Codex, OpenCode 2 1,147 tok
mfwarren/entrepreneur-claude-skills mattwarren.co Production-ready entrepreneurship skills for Claude Code — marketing, sales, operations, f 68 Claude Code 1 144 tok
Fighter90/career-ops-ui cvstart.org Clean, docs-style web UI for the career-ops AI job-search pipeline. Search ATS adapters (G 68 Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode 12 2,869 tok
MikkoParkkola/mcp-gateway crates.io One endpoint in front of unlimited MCP servers and REST APIs. The agent sees a fixed ~15-t 68 Claude Code 1 3,486 tok
Arcadia-1/analog-agents arcadia-1.github.io 12 agentic skills for analog IC design — architecture, sizing, verification, cross-model r 68 Codex, OpenCode 1 2,489 tok
lathe-cli/lathe Agentic-friendly CLI generator for APIs: turn Swagger, OpenAPI, and google.api.http protos 68 Claude Code, Codex, OpenCode 2 1,063 tok
rojim666/SztuCode Local-first AI coding Agent supporting TUI/desktop clients, tool permissions, session memo 68 Claude Code, Codex, OpenCode 2 571 tok
debugg-ai/debugg-ai-mcp debugg.ai Zero-Config, Fully AI-Managed End-to-End Testing for all code gen platforms. 68 Codex, OpenCode 1 1,813 tok
WhenMoon-afk/claude-memory-mcp Local citation-backed recall for Pi, OMP, Claude Code, Codex, and ChatGPT history. 68 Codex, OpenCode 1 2,334 tok
johnneerdael/multiplatform-cursor-mcp 68 Cursor 1 1,045 tok
impecablemee/gtm-mcp gtm-mcp.com Open-source B2B cold outreach pipeline for Claude Code. One /launch command: find companie 68 Claude Code 23 1,429 tok
archgate/cli cli.archgate.dev Enforce Architecture Decision Records as executable rules — for both humans and AI agents 68 Claude Code 5 2,551 tok
Srajangpt1/ai-security-crew MCP to put security context while vibe coding 68 Claude Code, Codex, OpenCode 4 1,058 tok
naderelewa/Product-to-Prod naderelewa.com AI product management skills and plugin for Claude Code, Cowork, Codex & other AI agents: 68 Claude Code, Codex, OpenCode 1 2,913 tok
basalt-ai/cobalt 68 Claude Code 1 3,875 tok
kinncj/Heimdall Heimdall is a lightweight, cross-platform hardware monitoring system with a real-time term 68 Claude Code, Codex, GitHub Copilot, OpenCode 7 7,135 tok
boostcampwm-2024/web05-Denamu denamu.dev A place where developers' stories grow, Denamu 🎄 68 Claude Code, GitHub Copilot 12 2,521 tok
juzzlin/Noteahead juzzlin.github.io A MIDI tracker and sequencer with built-in synths and effects written in C++/Qt/QML target 68 Claude Code, Gemini CLI 2 3,528 tok
kanna12580/kk-knowledge-agent A lightweight knowledge base system supporting knowledge base management, text/TXT uploads 67 Codex, OpenCode 1 1,888 tok
nondual-agents/nondual nondual.cloud The address book for AI agents: Nondual gives all your agents one shared record for every 67 Codex, OpenCode 1 2,229 tok
f/check-ai Audit any repository for AI-readiness. 67 Claude Code, Codex, OpenCode, Windsurf 3 2,791 tok
t0mtaylor/peepshow Turn a video — or an animated GIF, APNG, or WebP — into a timeline of still frames so an L 67 Claude Code, Codex, Gemini CLI, OpenCode 2 895 tok
tsaol/awesome-claude Claude prompts | Chinese tuning guide | Prompt guide | Learning guide | Notes 🌈 67 Claude Code 1 1,324 tok
modu-ai/cc-plugins Collection of Claude Code plugins for various domains - Auth0 security, MFA, token securit 67 Claude Code 8 2,729 tok
jmanhype/MCPhoenix A simplified implementation of the Model Context Protocol (MCP) server using Elixir's Phoe 67 Claude Code 1 525 tok
n24q02m/better-code-review-graph mcp.n24q02m.com Knowledge graph for token-efficient code reviews -- semantic search and call-graph resolut 67 Claude Code, Codex, OpenCode 5 5,599 tok
alperhankendi/Ctxo alperhankendi.github.io MCP server for AI coding agents. Instead of reading files one by one, your agent gets depe 67 Claude Code, GitHub Copilot 5 6,293 tok
trueLoving/Pixuli pixuli-web.vercel.app 🖼️ Pixuli - AI-based image analysis, automatic tag generation, and batch processing. 67 Codex, Cursor, OpenCode 3 1,616 tok
yuya373/claude-code-emacs This package provides seamless integration with Claude Code, allowing you to run AI-powere 67 Claude Code 9 2,437 tok
Hainrixz/skill-vault tododeia.com Your personal skill library for Claude Code. Organize, analyze, and search skills with bui 67 Claude Code 1 2,594 tok
rocklambros/nist-csf-2-mcp-server MCP server implementation for NIST Cybersecurity Framework 2.0 67 Claude Code 1 5,340 tok
tafsircenter/tafsir-mcp tafsir.net Scholarly MCP server for the Holy Quran with 5 classical tafsirs and word-level linguistic 67 Claude Code 1 1,237 tok
superamped/ai-marketing-skills superamped.com Open-source AI marketing skills for coding agents like Claude Code, Cursor, and Codex. Do 67 Claude Code, Codex, OpenCode 2 924 tok
liangdabiao/lark-workflow-feishu-cli linux.do # Feishu AI Productivity System — 20 Workflow Skills > Personal AI productivity infrastru 67 Claude Code 43 272 tok
raohwork/forgejo-mcp A MCP server that enables you to manage Gitea/Forgejo repositories through AI assistants 67 Claude Code 1 1,480 tok
ssuixinsuoyu/zede-zero-learning-roadmap Starting from the origin and approaching true knowledge indefinitely. A goal-driven, evide 67 Claude Code, Codex, Gemini CLI, OpenCode 3 365 tok
nightnei/wordpress-developer-mcp-server Build WordPress sites with your AI 67 Claude Code, Codex, Gemini CLI, OpenCode 3 1,185 tok
k-kolomeitsev/data-structure-protocol Graph-based long-term memory skill for AI (LLM) coding agents — faster context, fewer toke 67 Claude Code 1
Mahender22/legal-mcp The first comprehensive US legal MCP server -- case law, citations, practice management, a 67 Claude Code 1 866 tok
sfrangulov/minirag-mcp Local-first RAG MCP server in Python: hybrid search (semantic + BM25 keyword boost) over y 67 Claude Code, Codex, OpenCode 5 2,837 tok