How real projects configure their agents

23,196 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
chama-x/GroundRules Two files. ~250 tokens. Zero drift. 5 Claude Code, Codex, OpenCode 68 75 tok
DaxxSec/DAMGood AI-powered datalog analysis & tuning tools for VA WRX (2015-2021) FA20DIT with Atlas ECU. 5 Codex, OpenCode 1 7,465 tok
biulight/shine biulight.github.io A fast Rust CLI for managing shell presets, app configs, and system bootstrap presets. 5 Claude Code, Codex, GitHub Copilot, OpenCode 3 1,565 tok
rodrigofujioka/jugs-demo este repositório foi intencionalmente simplificado para a palestra “Agentes com Skills e G 5 Claude Code, Codex, OpenCode 3 699 tok
OasisDEX/summerfi-monorepo 5 Claude Code, Codex, OpenCode 2 10,832 tok
pipefy/terraform-provider-pipefy Terraform project that declaratively manages Pipefy resources as code. 5 Claude Code, Codex, OpenCode 2 2,014 tok
manyfold-open/manyfold manyfold.ai 5 Claude Code, Codex, OpenCode 2 1,159 tok
ms-alan/deepagents-text2sql # Harness Engineer - SQL Query Assistant 🚀 An intelligent SQL query assistant based on th 5 Codex, OpenCode 1 356 tok
victorfrye/dotfiles ⚙️ My Windows dotfiles for quick machine setup 5 Codex, GitHub Copilot, OpenCode 2 3,845 tok
pixeltable/pixeltable-starter-kit Skeleton apps showing how Pixeltable unifies storage, orchestration, and retrieval for mul 5 Codex, OpenCode 1 1,006 tok
s-nems/open-northland A modern, open-source reimplementation of the Cultures game series 5 Claude Code, Codex, OpenCode 12 1,992 tok
willrone/starfall-rogue-shooter Starlight Ranger - Cocos Creator 3.8.8 top-down Roguelite shooting game 5 Codex, OpenCode 1 4,322 tok
Maxim-Mazurok/route-aware-fuel-finder 5 Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode 4 761 tok
braswelljr/rmx A cross-platform replacement for the UNIX rm command. 5 Claude Code, Codex, OpenCode 11 3,116 tok
stden/pythorust_tg 5 Claude Code, Codex, GitHub Copilot, OpenCode 13 5,292 tok
lnenad/grafly A diagramming tool that is made in my vision 5 Codex, OpenCode 1 4,453 tok
kcaldas/vim-navigator MCP server that lets AI agents drive a Neovim instance for visual code walkthroughs 5 Codex, OpenCode 1 1,207 tok
MatthewYe/opencode-toolbox AFK agent cluster for opencode — implementer, reviewer, TDD/discipline skills, installable 5 Codex, OpenCode 1 1,096 tok
jarlor/uv-python-repo-template Python project template powered by UV with fully automated CI/CD workflows, enabling devel 5 Codex, OpenCode 1 296 tok
ImL1s/charge-pilot Cross-brand Android charging-control utility — capability detection + explicit, reversible 5 Codex, OpenCode 1 833 tok
ksyed0/PlanVisualizer A GitHub centric, markdown enabled visualization tool for AI assisted coding flows to pres 5 Claude Code, Codex, Gemini CLI, OpenCode 5 9,879 tok
Baughn/machine-config-template NixOS machine config template, preconfigured for AI assistance 5 Claude Code, Codex, Gemini CLI, OpenCode 5 1,484 tok
VolvoxCommunity/sobers sobers.app Sponsor-sponsee accountability app for people in 12-step recovery programs 5 Claude Code, Codex, GitHub Copilot, OpenCode 3 5,831 tok
shinju4n/harness-hub 5 Claude Code, Codex, OpenCode 2 801 tok
avifenesh/tools harness - Agent tools (read, write, grep, glob, bash, webfetch, lsp, skill) with Rust and 5 Claude Code, Codex, OpenCode 2 3,320 tok
SarutobiSasuke8/ape-adventure A 90s-style jungle side-scrolling platformer built with Python + pygame. DKC-era inspired, 5 Claude Code, Codex, OpenCode 2 2,442 tok
PH-Tools/PHX Passive House Exchange (PHX) model format and tools for model I/O 5 Claude Code, Codex, OpenCode 6 1,408 tok
agentic-swe/agentic-swe agentic-swe.github.io A pure-markdown orchestration pipeline that enables Claude Code to autonomously execute so 5 Claude Code, Codex, Gemini CLI, OpenCode 3 3,957 tok
FilipNowakowicz/nixos-config Personal NixOS and Home Manager flake for multi-host infrastructure with sops-nix secrets, 5 Claude Code, Codex, Gemini CLI 12 3,404 tok
killin0415/memoir Foreign traveler cultural experience platform — Heritage Exploration Mission + AI narrativ 5 Claude Code, Codex 36
EntropyRy/Tunkki entropy.fi Invetory, Bookings, Events, Member registry, etc 5 Claude Code, Codex, OpenCode 2 2,513 tok
smmariquit/tools phtools.me Tools for Filipinos 5 Claude Code, Codex, Cursor, OpenCode 5 2,696 tok
RomyHaik/gim Goal-in-Mind framework for deviation prevention and token usage reduction 5 Claude Code, Codex, OpenCode 1 1,766 tok
Hyper-Int/OrcaBot OrcaBot: Agentic AI coding orchestration on the web 5 Claude Code, Codex, OpenCode 2 5,250 tok
F1R3FLY-io/rholang-rs 5 Claude Code, Codex, OpenCode 2 1,752 tok
GiggleLiu/zlp-harness Claude Code plugin: skills for Zulip-based research harness repos (onboard, download-ref, 5 Claude Code, Codex, OpenCode 2 1,002 tok
Open-Paws/cryptpad-project-management Open Paws Project Management Tool - A specialized CryptPad fork for animal advocacy organi 5 Claude Code, Codex, OpenCode 2 12,136 tok
yodakeisuke/mcp-desicive 5 Claude Code, Codex, Cursor, OpenCode 4 1,759 tok
siraj-samsudeen/quran-srs Web app using Django for doing Quran Revision with SRS 5 Claude Code, Codex, OpenCode 2 432 tok
amenti-labs/hermes-lab File-first autonomous experiment scaffolding for long-running research controlled by AI ag 5 Codex, OpenCode 1 510 tok
wyg916/smart-ledger-app 5 Codex, OpenCode 1 765 tok
health-economics-guide/health-economics-guide Health Economics Guide 5 Codex, OpenCode 1 985 tok
rareview/rareview-starter-theme Main RV Starter Theme repo. It will automatically propagate all theme changes to WPE and W 5 Codex, OpenCode 1 904 tok
khiemnd777/noah 5 Codex, OpenCode 1 8,932 tok
mhmdreza-rafiei/agent-tools A catalog of agent artifacts — agents, skills, rules, scripts, and profiles 5 Codex, OpenCode 1 1,894 tok
sherifabdlnaby/alfred-aws-granted An Alfred Workflow that uses granted.dev to quickly open multiple AWS Consoles in Browser 5 Codex, OpenCode 1 1,004 tok
BernydotJar/harness-sdlc Spec-driven agentic delivery for shippable software. 5 Claude Code, Codex, OpenCode 16 201 tok
rsamwilson2323-cloud/resumeforge ResumeForge is an AI-powered resume builder that helps users create professional, ATS-frie 5 Codex, OpenCode 1 168 tok
WalrusQuant/nfl-team-projections An open, agent-guided curriculum for building an honest NFL projection/decision engine. 5 Codex, OpenCode 1 669 tok
FuDesign2008/oh-my-fangirl Your AI coding companion — she's a fangirl of your code. 5 Claude Code, Codex, OpenCode 1 1,246 tok