43,652 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 agents7,588Claude Code6,636Data and AI3,676Backend and APIs3,496Languages3,402Planning3,219Git and workflow3,187Code review2,745Testing2,374Memory and context2,364DevOps and cloud2,310Writing and docs2,309Research2,295Frontend2,261Security2,021Productivity1,715
All Claude Code31,998 Codex23,222 OpenCode22,170 GitHub Copilot3,550 Gemini CLI1,918 Cursor1,738 Windsurf137 Kiro80
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| dowdiness/incr mooncakes.io Incremental Compuation in MoonBit. | 5 | Claude Code, Codex, OpenCode | 6 | 1,217 tok |
| monistowl/enoch Enochian Chess | 5 | Codex, OpenCode | 1 | 1,132 tok |
| HsiangNianian/GlyphWeave glyphweave.hydroroll.team Infinite-canvas ASCII roguelike tilemap editor. Paint dungeons, weave glyphs. Multi-layer | 5 | Codex, OpenCode | 1 | 3,543 tok |
| awegroup/AWETrim Quasi-steady simulations of soft kites. Aerodynamics, aero-structural, optimization, exper | 5 | Codex, OpenCode | 1 | 2,181 tok |
| WineChord/invest wineandchord.com Asymmetric, open-source satellite portfolio system for multi-decade compounding. | 5 | Claude Code, Codex, OpenCode | 2 | 8,194 tok |
| arsenyspb/comet-boundary hashicorp.com React Single Page Application (SPA) web client for Hashicorp Boundary | 5 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 1,170 tok |
| evisoft/codulmuncii Codul muncii al Republicii Moldova (nr. 154/2003) în markdown structurat — text în vigoare | 5 | Codex, OpenCode | 1 | 658 tok |
| nshield-security/uae-regulations-registry nshield.io UAE cybersecurity & data-protection regulations — mandates, deadlines, regulators, primary | 5 | Codex, OpenCode | 1 | 835 tok |
| diffplug/dormouse dormouse.sh Multitasking Terminal for Mice and Thumbs | 5 | Claude Code, Codex, OpenCode | 6 | 5,745 tok |
| Open-FoM/fom-emulator This repo is a working reverse-engineering + emulation sandbox for Face of Mankind (FoM). | 5 | Codex, OpenCode | 1 | 1,389 tok |
| matej/homebridge-nilan Homebridge plugin for Nilan Compact P | 5 | Claude Code, Codex, OpenCode | 2 | 1,410 tok |
| SZabolotnii/Ayona-OpenClaw-template | 5 | Claude Code, Codex, OpenCode | 2 | 4,112 tok |
| re0wiki/wiki-bot rezero.fandom.com Some scripts for the Re:Zero − Starting Life in Another World Wiki | 5 | Codex, OpenCode | 1 | 11,933 tok |
| asarazan/Tangent-Mobile | 5 | Claude Code, Codex, OpenCode | 2 | 3,070 tok |
| GiuseppeScottoLavina/crossbus giuseppescottolavina.github.io Unified messaging for browser applications | 5 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 10,949 tok |
| julienkay/com.doji.package-authoring Unity editor tooling for scaffolding UPM packages and their companion sample projects | 5 | Codex, OpenCode | 5 | 634 tok |
| sablier-labs/sablier-skills Sablier skills for AI agents | 5 | Claude Code, Codex, OpenCode | 2 | 191 tok |
| julien777z/agent-sync-action Manage Claude, Cursor, and Codex configuration from one canonical .agents/ directory. | 5 | Claude Code, Codex, OpenCode | 32 | 16,694 tok |
| partypeopleland/oab-ecs | 5 | Codex, OpenCode | 1 | 2,112 tok |
| atheory-ai/skillex A better way to enhance agents using skills | 5 | Codex, OpenCode | 1 | 564 tok |
| hakula139/nixos-config My NixOS configuration | 5 | Claude Code, Codex, GitHub Copilot, OpenCode | 6 | 986 tok |
| LibreLoom/LibreServ serv.libreloom.org LibreServ aims to simplify self-hosting to a level as simple as plugging in and setting up | 5 | Codex, OpenCode | 1 | 7,684 tok |
| agmxyz/tiktag docs.rs Rust library and CLI for multilingual text anonymization with built-in ONNX NER + regex re | 5 | Claude Code, Codex, OpenCode | 2 | 822 tok |
| farrelfatah/nextjobkit | 5 | Claude Code, Codex, OpenCode | 9 | 1,972 tok |
| bnet47/codexicon bnet47.github.io A production-minded Codex agent harness for new and established repositories, with progres | 5 | Codex, OpenCode | 1 | 1,527 tok |
| reylbj/My-Amazing-Claw My-Amazing-Claw 🦞 (With lots of skills I really like to use and Safety reinforcement), a | 5 | Codex, OpenCode | 1 | 2,992 tok |
| openzot/machinery openzot.github.io A software factory that makes machines: every shift, zot designs and builds one working co | 5 | Codex, OpenCode | 1 | 3,115 tok |
| emyann/repolore Code-derived LLM wiki for any repo — Claude Code plugin: cited claims, blob-SHA drift chec | 5 | Claude Code, Codex, OpenCode | 2 | 575 tok |
| justinfiore/video-censor-personal A Python-based system for performing personal censoring of video files based on video cont | 5 | Claude Code, Codex, OpenCode | 12 | 649 tok |
| MarcZxc1/qwykz A lightning-fast CLI tool built with Bun to scaffold organized Backend, Frontend, and Full | 5 | Codex, OpenCode | 1 | 1,305 tok |
| nazabrory/dmstudio-rm Python wrappers for Datamine Studio RM with AI capabilities. | 5 | Codex, OpenCode | 1 | 3,128 tok |
| pyraxo/muscle | 5 | Claude Code, Codex, OpenCode | 14 | 1,921 tok |
| solid-company/solid-jobs-skills :octocat: AI job-search command center for the SOLID.Jobs public API. A Go CLI (sjctl) fet | 5 | Claude Code, Codex, OpenCode | 9 | 3,037 tok |
| Emacs-is-my-life/TransitSim | 5 | Codex, OpenCode | 1 | 19,904 tok |
| xristos3490/wp-hooks-graph | 5 | Claude Code, Codex, OpenCode | 5 | 1,785 tok |
| fazulfi/grok-farm Grok/xAI account farming pipeline with 9router injection | 5 | Codex, OpenCode | 1 | 6,303 tok |
| yeongseon/kpubdata yeongseon.github.io Korea Public Data — Dialect-inspired Python access framework for Korean public data (data. | 5 | Claude Code, Codex, OpenCode | 8 | 4,593 tok |
| kylesnav/delightful-design-system kylesnav.github.io A neo-brutalist design system built on OKLCH color science — tokens, components, and multi | 5 | Claude Code, Codex, OpenCode | 2 | 674 tok |
| dfirs1car1o/sicario-spec Secure-by-default governance bundle for GitHub Spec Kit. | 5 | Codex, OpenCode | 1 | 37 tok |
| seanleecoder/rule-trace | 5 | Claude Code, Codex, OpenCode | 2 | 66 tok |
| developerz-ai/ai-task-master Autonomous task orchestrator. Goal in, merged PRs out. Planner/Worker/Reviewer loop on the | 5 | Claude Code | 4 | 2,937 tok |
| PlatformRelay/MKurator platformrelay.github.io Kubernetes Operator for IBM Message Queue | 5 | Codex, OpenCode | 1 | 7,028 tok |
| ineersa/re-search | 5 | Claude Code, Codex, Cursor, OpenCode | 9 | 1,155 tok |
| rotemmiz/compose-doctor composedoctor.dev Deterministic 0-100 health score and agent fix-loop for Android Jetpack Compose. Wraps det | 5 | Claude Code, Codex, OpenCode | 4 | 2,552 tok |
| jonathanabila/git-override Keep your local changes invisible to git. | 5 | Claude Code, Codex, OpenCode | 3 | 5,234 tok |
| MrpandaLiu/PandaSpec A new Spec-driven development for AI coding rules. | 5 | Codex, OpenCode | 1 | 148 tok |
| suvadityamuk/eye eye.suvadityamuk.com A light, minimal, and fully-online 3D object viewer. Supports GLB, PLY, 3DGS, OBJ, and mor | 5 | Codex, OpenCode | 1 | 1,501 tok |
| luizjhonata/chlog pkg.go.dev Fragment-based changelog management for Go and CI/CD pipelines | 5 | Claude Code | 1 | 1,118 tok |
| jheroy/Redmine-desktop A powerful, high-performance, and beautiful cross-platform Redmine client built with Elect | 5 | Codex, OpenCode | 1 | 1,207 tok |
| BogdanTNT/ROS_vscode_extension VS Code extension to aid in developing ROS2 projects | 5 | Codex, OpenCode | 1 | 981 tok |