How real projects configure their agents

23,761 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
briancl2/CustomerNewsletter briancl2.github.io 11 Claude Code, Codex, GitHub Copilot, OpenCode 24 1,219 tok
ehmetlabs/yudao-codegen-skills Process guidance and index for Yudao code generation (backend and admin frontend). 11 Codex, OpenCode 1 1,478 tok
junh0328/harness-diagnostics openai.com Generate Open AI harness engineering with skills 11 Codex, OpenCode 1 664 tok
Awish021/opencode my config for opencode 11 Codex, OpenCode 1 603 tok
Cody-W-Tucker/Cognitive-Assistant aether-web.pages.dev Create adaptive, value-driven AI that aligns actions with long-term purpose, fostering hum 11 Codex, OpenCode 1 714 tok
igor-tkachev/AspectGenerator Tool to create your own aspects. 11 Codex, OpenCode 1 965 tok
LyalinDotCom/gemini-anything-agent Sample of using a Gemini Managed Agent to do anything 11 Codex, OpenCode 1 489 tok
kubev2v/forklift-console-plugin OpenShift Console Plugin For Forklift, the plugin adds a web based user interface for Migr 11 Claude Code, Codex, OpenCode 2 8,378 tok
xrhstosmour/arch-tuner Arch Linux Server Deployment, Hardening, and Tuning 11 Codex, OpenCode 1 2,480 tok
project-kessel/insights-rbac Role based access control API service 11 Claude Code, Codex, Cursor, OpenCode 8 2,706 tok
Pantengin-Networks/vibe-code-template 11 Codex, OpenCode 1 1,617 tok
tororae/talkflow-public A public-version bot for use in KakaoTalk conversations 11 Codex, OpenCode 1 1,688 tok
systemli/ticker-admin systemli.org Systemli Ticker Admin 11 Claude Code, Codex, OpenCode 2 2,467 tok
dlxeva/fde-operator-os aizhiz.com An operator-grade Codex skill for forward deployed engineers and applied AI delivery leads 11 Codex, OpenCode 1 1,460 tok
idoforgod/baduk-AgenticWorkflow Baduk (Go) Platform — KataGo AI matches + real-time analysis + Tauri 2.0 desktop app. Base 11 Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode 42 28,459 tok
ihsoft/TimberbornMods Mods for Timberborn game 11 Codex, OpenCode 1 7,553 tok
yihong0618/yi_leetcode_show LeetCode show for yihong0618 tg channel 11 Claude Code, Codex, OpenCode 2 3,634 tok
mablanco/pricegrab Android app that compares two prices with different quantities and tells you which one is 11 Claude Code, Codex, Cursor, OpenCode 20 1,425 tok
feliperun/md.html 11 Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode 5 2,006 tok
BitByBit-B3/frame-os frameos.pages.dev the operating system for ai native video editing. 11 Claude Code, Codex, OpenCode 2 4,979 tok
doughknee/myscrollr myscrollr.com Pin live sports scores, crypto prices, and custom feeds over any tab. Never alt-tab again. 11 Claude Code, Codex, OpenCode 6 8,932 tok
Illuminated2020/agentic-wiki An LLM Wiki template for a Markdown second brain operated by AI Agents. A template for bui 11 Claude Code, Codex, OpenCode 2 9,499 tok
jbstavers/pinot-pi 11 Codex, OpenCode 1 182 tok
igou-io/igou-kubernetes Manifests that are deployed to my Kubernetes cluster 11 Claude Code, Codex, OpenCode 2 1,844 tok
CelsoDeSa/interview-prep 11 Codex, OpenCode 1 924 tok
underfitting-lu/open-ui-scout 11 Claude Code, Codex, OpenCode 2 281 tok
pierodn/gdevice Compute Engine 11 Codex, GitHub Copilot, OpenCode 2 7,274 tok
ouzhou/react-canvas react-canvas-design.vercel.app Render React components directly to a <canvas>. 11 Codex, OpenCode 1 1,111 tok
webman-tech/debugbar php debugbar for webman 11 Codex, OpenCode 1 572 tok
AntiJudolTeam/AntiJudol 11 Claude Code, Codex, OpenCode 2 6,866 tok
rnabioco/scraps rnabioco.github.io Single Cell RNA PolyA Site Discovery 11 Codex, OpenCode 1 9,655 tok
ProteusLLP/proteusllp-actuarial-library An actuarial stochastic modeling library in python. 11 Claude Code, Codex, GitHub Copilot, OpenCode 3 1,352 tok
zeljkoobrenovic/system-design-interviews zeljkoobrenovic.github.io 11 Claude Code, Codex, OpenCode 7 22,094 tok
zzyzxlab/tao.js tao.js.org Javascript implementation of the TAO programming paradigm 11 Claude Code, Codex, OpenCode 7 12,759 tok
niuxinhuai/flutter_music A Flutter recreation of NetEase Cloud Music 11 Codex, OpenCode 1 748 tok
SisyphusSQ/harness-template 11 Codex, OpenCode 1 240 tok
MathGloss/MathGloss mathgloss.github.io 11 Codex, OpenCode 1 2,222 tok
DataBiosphere/consent duos.broadinstitute.org Broad Institute Data Use Oversight System 11 Claude Code, Codex, GitHub Copilot, OpenCode 3 795 tok
Dolores-Research/wagmi-bench Deterministic BTC perps survival benchmark for trading agents — sealed, replayable evidenc 11 Claude Code, Codex, OpenCode 2 4,208 tok
n-side-dev/wefa N-SIDE Energy Web Factory libraries 11 Claude Code, Codex, GitHub Copilot, OpenCode 5 1,204 tok
Grail-Computer/FastClaw Turn your ChatGPT subscription into a Slack/Telegram employee. Open-source Rust server, Co 11 Claude Code, Codex, OpenCode 2 2,029 tok
MARVserver/Foliacode 11 Codex, OpenCode 1 2,145 tok
Koniverse/Koni-ea sentitrade.xyz Build a MetaTrader 5 trading bot and deploy it on Senti — starting from a template that al 11 Claude Code, Codex, OpenCode 2 3,545 tok
dcroote/lambs Local Analysis of mAb Sequences 11 Codex, OpenCode 1 1,793 tok
linbin-mk/AIHelper An all-in-one assistant combining AI with a browser extension 11 Codex, OpenCode 1 536 tok
TEAM-DONGCHIMI/DONGCHIMI-CLIENT [FE] A mobile flyer service that lets you receive critical news from your local market in 11 Claude Code, Codex, OpenCode 33 2,568 tok
projectbluefin/iso Build Bluefin ISOs 11 Codex, OpenCode 1 3,169 tok
inoshiro/inuinouta 11 Claude Code, Codex, GitHub Copilot, OpenCode 6 4,314 tok
yym68686/argus Just a very intelligent system. 11 Codex, OpenCode 1 1,238 tok
notforyou23/home23 An installable AI operating system — persistent agents with living brains 11 Claude Code, Codex, OpenCode 2 3,037 tok