How real projects configure their agents

24,842 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 agents8,530Claude Code6,887Git and workflow3,618Data and AI3,582Backend and APIs3,558Languages3,485Planning3,325Code review2,903Testing2,691DevOps and cloud2,482Writing and docs2,481Memory and context2,373Research2,322Frontend2,310Security2,179Project management1,971

All Claude Code32,523 Codex24,842 OpenCode23,761 GitHub Copilot3,723 Gemini CLI2,038 Cursor1,771 Windsurf201 Kiro116

Project Stars Configures Files Always loaded
activetwist/amphion-agent-extension Extension-only source provenance for AmphionAgent VS Code extension 2 Claude Code, Codex, OpenCode 10 2,700 tok
Matthewzegarra0312/ContextCore context-core-web.vercel.app Is the best cerebral mind of the IA 2 Claude Code, Codex, OpenCode 2 1,562 tok
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
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
hitosea/ttpos-flutter TTPOS is a smart point-of-sale system for the food service industry 2 Claude Code, Codex, OpenCode 11 2,493 tok
AIHongDOU/DoctorWhy 2 Claude Code, Codex, OpenCode 2 613 tok
CrescentR/NextVibe Agent-native project navigator for AI coding tools. Know what to build next — no extra mod 2 Claude Code, Codex, OpenCode 5 228 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 —
vegastack/vegastack-cli DevOps Knowledge Harness for Agents 2 Claude Code, Codex, OpenCode 3 1,796 tok
parzival1l/Altru Altru is a charity discovery app built with React, Express, and a Botpress AI agent to mat 2 Codex, OpenCode 1 1,069 tok
vaquarkhan/platform-engineering-agent-skills 2 Claude Code, Codex, GitHub Copilot, OpenCode 9 913 tok
okuzpe/midas-harness Midas — a portable product-development harness for AI agents: drive a product from idea to 2 Claude Code, Codex, Gemini CLI, OpenCode 37 4,775 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 3,565 tok
huseyindol/game 2 Claude Code, Codex, OpenCode 2 4,178 tok
hadefication/zeri A CLI tool for managing AI development contexts. 2 Claude Code, Codex, Gemini CLI, OpenCode 5 213 tok
divo12/UVVR 2 Claude Code, Codex, OpenCode 2 1,722 tok
vdeaugustine/Coding-Reference-Documentation Various AI generated reference documents that can be imported into Cursor or another IDE t 2 Codex, OpenCode 1 95 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, Kiro, OpenCode 19 3,860 tok
sirkon/gogh Go source code generator 2 Codex, OpenCode 1 6,606 tok
tomershlasky/agi AGI — Agent Gibberish Interceptor. Un-scrambles Hebrew-keyboard-layout gibberish back into 2 Codex, Gemini CLI, OpenCode 2 406 tok
onflow/flow-actions-scaffold developers.flow.com Starter scaffold for Flow Actions on the Flow network. Composable DeFi primitives (Sources 2 Codex, OpenCode 1 1,372 tok
otrebu/all-agents 2 Claude Code, Codex, OpenCode 41 204 tok
umpire-tools/umpire ⚾️ Reactive derived state for forms and apps with interdependent options. Get your app to 2 Claude Code, Codex, OpenCode 2 1,346 tok
minchieh-fay/god 2 Claude Code, Codex, OpenCode 4 120 tok
ihabkhaled/NextRanger Strict Next.js engineering OS for scalable frontend apps with architecture guardrails, mod 2 Claude Code, Codex, Cursor, Gemini CLI, OpenCode 4 5,397 tok
GrayCodeAI/starling Community skill packages for hawk, the AI coding agent. 12,000+ modular instruction packag 2 Claude Code, Codex, OpenCode 2 1,800 tok
token-bar/token-bar token-bar.pages.dev TokenBar is a macOS menu bar app that tracks AI usage across multiple providers in one pla 2 Claude Code, Codex 6 —
BilLogic/design-harnessing-kit billogic.github.io 2 Claude Code, Codex, OpenCode 8 26 tok
meta-quest/horizon-platform-sdk-samples Sample Android applications demonstrating how to integrate the Meta Horizon Platform SDK f 2 Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode, Windsurf 9 1,043 tok
jefftindall/broadway-portfolio Elyse's Broadway portfolio site 2 Claude Code, Codex, OpenCode 3 6,012 tok
ssheld/agent-vault Template repo for bootstrapping a per-project agent-vault with shared AI-agent rules, revi 2 Claude Code, Codex, Gemini CLI, OpenCode 3 5,225 tok
AliYasser29/ultimate-code-review 2 Claude Code, Codex 17 —
SpillwaveSolutions/image_gen Image generation skill that uses Gemini Banana to generate images. 2 Claude Code, Codex, OpenCode 2 585 tok
exponen-agi/recursive-agentic-improvements exponen-agi.github.io Three Claude Code slash commands — /create-agent, /improve-agent, /extend-agent — that res 2 Claude Code, Codex, OpenCode 2 6,338 tok
markes76/canopy The layer above your AI stack — manage MCPs, skills, plugins & hooks across Claude Code, C 2 Claude Code, Codex, OpenCode 8 9,720 tok
abdshomad/ocr-arena 2 Claude Code, Codex, OpenCode 2 837 tok
rtorcato/repo-tooling docs.torcato.dev Stop configuring tools. One CLI to scaffold, audit, and fix a repo's toolchain — linting, 2 Claude Code, Codex, OpenCode 2 2,809 tok
julien777z/code-review-action 2 Claude Code, Codex 4 —
sdcorejs/sdcorejs-agent Portable SDLC skill pack for AI coding agents, with generated mirrors for Claude Code, Cod 2 Claude Code, Codex, GitHub Copilot, OpenCode 4 7,926 tok
Npuls-OKx/meta Repository waarin de OKx visie op onderwijskundige en logistieke aspecten uiteen gezet wor 2 Claude Code, Codex, Cursor, OpenCode 40 4,246 tok
christiansalazar-wk/ai-lore Central infrastructure hub for the company's shared AI logic, model configurations, agent 2 Codex, OpenCode 1 1,234 tok
NeelPrime/arbiterx neelprime.github.io Your AI writes code. ArbiterX decides if it's good enough. Intelligent middleware for AI c 2 Claude Code, Codex, GitHub Copilot, OpenCode 3 773 tok
ddggkkcc/industry-intelligence-researcher 🌏 Evidence-led, sector-agnostic industry research methodology for AI coding agents (Codex 2 Claude Code, Codex, GitHub Copilot, Cursor, OpenCode 4 3,988 tok
smallinaUCSD/growth-percentile-skill 2 Claude Code, Codex, OpenCode 2 998 tok
Effulgent-Point/paw Personal Agent Workflows — an AI SDLC starter kit with 18 agents, 7 skills, 4 hooks, 6 rul 2 Claude Code, Codex, OpenCode 2 1,584 tok
Sumatoshi-tech/prompts Prompts which we use in day-to-day coding 2 Codex, OpenCode 1 2,852 tok
sofiahernandes/margaret Margaret is the developer's all-in-one engineering plugin: the one you reach for after you 2 Codex, OpenCode 1 550 tok
fiber-ai/fiber-ai-plugin MCP servers, skills, hooks, and slash commands into a single installable unit 2 Codex, OpenCode 1 2,343 tok
tatuke/agent-switch Portable AI agent persona, identity, work principles, and safety protocol transfer system. 2 Claude Code, Codex, OpenCode 2 649 tok