How real projects configure their agents

1,729 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 agents7,450Claude Code6,586Data and AI3,698Backend and APIs3,488Languages3,402Planning3,191Git and workflow3,129Code review2,728Memory and context2,353Testing2,330DevOps and cloud2,293Research2,288Writing and docs2,283Frontend2,242Security1,990Productivity1,704

All Claude Code32,053 Codex23,184 OpenCode21,956 GitHub Copilot3,523 Gemini CLI1,906 Cursor1,729 Windsurf98 Kiro64

Project Stars Configures Files Always loaded
marcelsantilli/context-os-starterkit Context OS Starterkit — structured knowledge base for AI agents 2 Claude Code, Codex, Cursor, OpenCode 11 1,415 tok
dawamr/Cursor-Rules-Awesome Cursor Rules Awesome is a VS Code extension that enhances your experience with Cursor AI, 2 Cursor 1 644 tok
altaidevorg/rules-for-ai Tutorials are for humans, rules are for AI! 2 Cursor 1
kangminlee-maker/umis 2 Cursor 1 546 tok
ttdazi/CursorAiCommit Fix the issue preventing switching between Chinese and English in cursor commits 2 Claude Code, Cursor 1
nitra/7n-rules nitra cursor rules 2 Claude Code, Codex, Cursor, OpenCode 30 3,227 tok
aiurda/cursor10x-web cursor10x-web.vercel.app 2 Cursor 1 1,337 tok
fancn21th/unnamed-ui-ai-coding-template unnamed-ui-ai-coding-template.vercel.app 2 Cursor 1
markmhendrickson/foundation Shared development processes and practices for consistent, high-quality software developme 2 Cursor 22
aculich/codegen-preflight 2 Claude Code, Cursor 2
mohameddev19/cursor-rules 2 Cursor 1 304 tok
Sach1ng/Cursor-skills 2 Claude Code, Cursor 4
syakoo/syakoo-lab syakoo-lab.com Personal website for publishing documents and illustrations 2 Claude Code, Cursor 17
MrG4dget/5e-tools-mcp 2 Cursor 1 485 tok
Yoruto/prd-kit A general-purpose PRD for standardizing AI feature implementation. 2 Cursor 1
lucianosantos/ai-workflow 2 Cursor 1 1,357 tok
MorHananovitz/VibeKode_munich_26 This repository holds all demo files, skills, rules and all the presentations from: https: 2 Claude Code, Cursor 19 69 tok
jhl-labs/vibe-project An enterprise-grade Vibe Coding project template for use with AI Agents (Claude, Cursor, R 2 Claude Code, Cursor 2 1,256 tok
livyn-inc/AI-design-system-yomogi AI design system - yomogi - 2 Codex, Cursor, OpenCode 6 2,745 tok
randhirk/AICodeGrapher Open-source tool to generate compact code graphs for AI coding tools (Cursor, Claude, Code 2 Cursor 2
pomagrenate/ice_age ⚡ Universal IDE plugin & proxy that cuts LLM token consumption by up to 70% using determin 2 Claude Code, Codex, GitHub Copilot, Cursor, Gemini CLI, OpenCode 5 3,395 tok
wtalaat78/Blue-Team-Skills 2 Claude Code, Codex, GitHub Copilot, Cursor, OpenCode, Windsurf 7 2,557 tok
tad-agentics/RAD-Multi-agent 2 Claude Code, Codex, Cursor, OpenCode 27 2,376 tok
luccmattos/Product-Arena---Cursor-para-PMs 2 Claude Code, Cursor 7
technicalpickles/bktide 2 Claude Code, Cursor 4 2,307 tok
JanUmansky/startup A framework for orchestrating specialized agents scoped to specific domains of your codeba 2 Claude Code, Cursor 6
tungdtfgw/try-on-starter 2 Claude Code, Cursor 9
phuoctrung-ppt/ai-sdlc-workflow An agentic workflow framework & software development for the Cursor 2 Claude Code, Codex, Cursor, OpenCode 55 3,129 tok
kksudo/AgentFS Scaffold your Obsidian vault as a filesystem-based OS for AI agents. Single source of trut 2 Claude Code, Codex, Cursor, OpenCode 3 2,645 tok
mrzroot/agentforge ⚡ The Universal AI Coding Agent Toolkit & OS. Sync rules across Cursor, Claude Code, Winds 2 Claude Code, GitHub Copilot, Cursor 3 789 tok
RekaWeb3Design/designer-20-starter-system 2 Claude Code, Cursor 21 493 tok
ayimmam/PCIC pcic.tech Internal Management tool 2 Codex, GitHub Copilot, Cursor, OpenCode 4 1,612 tok
setavenger/agent-skill-set 2 Claude Code, Cursor 23
jreichert/cursor_base_rules A set of Cursor rules that can be effectively used to guide the development process across 2 Cursor 4 1,793 tok
StarsMilky/MCPCodeIntelligence 2 Cursor 1
devbrother2024/saas-starter-kit A starter kit for developing Next.js-based SaaS services 2 Claude Code, Cursor 1
Genius-Cai/myunsw-cli Reverse-engineered myUNSW API documentation & Claude Code skill for UNSW enrollment automa 2 Claude Code, Codex, Cursor, OpenCode 3 1,296 tok
geekdreamzz/ari-dai-skills 2 Claude Code, GitHub Copilot, Cursor 3 3,033 tok
abbanbhan/cursor-academy A hands-on Cursor Academy: clone, open chat, and follow guided quests to master Cursor and 2 Codex, Cursor, OpenCode 7 423 tok
vooster-app/vooster vooster.app Turn rough ideas into live, intelligent projects—fast. 2 Cursor 1 420 tok
KazunariNakayama/raycast-extensions 2 Cursor 1 94 tok
CiroGes/specs-driven-development Specs-Driven Development skeleton for Node.js (TS/JS) with Cursor rules/commands, reusable 2 Claude Code, Codex, Cursor 11
benwilcock/rhdh-lab Customizable development environment for Red Hat Developer Hub (RHDH) 2 Cursor 4
T-ESP-700/cashou 2 Claude Code, Cursor 2 1,345 tok
emporix/md-module-template 2 GitHub Copilot, Cursor 12 8,558 tok
arango-solutions/arango-sparql-py Python-native SPARQL 1.1 to AQL transpiler and microservice for ArangoDB 2 Claude Code, Codex, Cursor, OpenCode 3 3,563 tok
drewsephski/create-v1 2 Cursor 1 420 tok
nickscamara/fire-scan 2 Cursor 1 420 tok
ymhhh/cursor-implements base cursor implements for vibe coding 2 Codex, Cursor, OpenCode 4 820 tok
nitdraig/lexis-two lexis-two.excelso.xyz 2 Claude Code, Codex, GitHub Copilot, Cursor, Kiro, OpenCode 31 3,659 tok