43,636 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 |
|---|---|---|---|---|
| Yefee8/mufify Free, open-source, totally local, statistic tracking, FLAC-supporting music player. Made w | 13 | Codex, OpenCode | 1 | 3,747 tok |
| Jack-Liang/sap-for-agents SAP NWRFC → REST gateway designed for AI agents: search, inspect, invoke RFC/BAPI, read ta | 13 | Codex, OpenCode | 1 | 5,382 tok |
| panzeyu2013/dsh-chamber | 13 | Codex, OpenCode | 1 | 2,797 tok |
| sociotechnica-org/symphony-ts TypeScript implementation of the Symphony spec | 13 | Claude Code, Codex, OpenCode | 4 | 2,583 tok |
| whynusn/typetype Chinese touch-typing tool supporting character-length and keystroke statistics on Linux Wa | 13 | Claude Code, Codex, OpenCode | 2 | 15,839 tok |
| benchristian88/atlas-dns Atlas DNS Controller | 13 | Codex, OpenCode | 1 | 873 tok |
| distsystem/codex-desktop-linux Codex Desktop for Linux — distsystem soft-fork (versioned-zip pinned, tracks ilysenko upst | 13 | Claude Code, Codex, OpenCode | 2 | 2,260 tok |
| doug/jjj jjj.recursivewhy.com Jujutsu Juggler Distributed Project Management | 13 | Claude Code, Codex, OpenCode | 2 | 2,794 tok |
| dginev/latexml-oxide dginev.github.io A Rust reimplementation of LaTeXML | 13 | Claude Code | 9 | 5,369 tok |
| igor47/csheet csheet.net DnD digital character sheet | 13 | Claude Code | 1 | 3,925 tok |
| cyborg-garden/hermes-agent-mt nimbleco.ai Multiplayer fork of hermes-agent | 13 | Codex, OpenCode | 1 | 18,244 tok |
| apinizer/testnizer testnizer.com Free, fully offline cross-platform desktop API client — HTTP, SOAP, gRPC, WebSocket, Graph | 13 | Codex, OpenCode | 1 | 520 tok |
| xh/hoist-core xh.io 🏗️☕ The XH Hoist toolkit for Grails | 13 | Claude Code, Codex, OpenCode | 3 | 4,939 tok |
| YEYUbaka/doubanspider A Douban movie information crawler for scraping movie data in a specified city (Wuhan by d | 13 | Claude Code | 1 | 1,609 tok |
| esagduyu/labrat 🐀 Terminal-native AI data agent — ask your warehouse a question in plain English, watch d | 13 | Claude Code | 1 | 11,059 tok |
| jameshenning/PlaudNotes Plaude Notes to Claude MCP | 13 | Claude Code | 1 | 522 tok |
| ericluo04/claude-academic-workflow Academic research workflow for Claude Code: 20 skills covering causal inference (DiD, RDD, | 13 | Claude Code | 1 | 3,573 tok |
| abutun/etsy-seo-optimizer AI-powered Etsy shop SEO analysis and optimization skill for Claude Code, Cursor, Codex an | 13 | Claude Code | 1 | 706 tok |
| mthines/agent-skills A personal collection of skills for AI coding assistants — covering code review, DX/UX ana | 13 | Claude Code | 1 | 34,517 tok |
| chefjefff/mckinsey-problem-solving The McKinsey 7-step problem solving framework (from Conn & McLean's Bulletproof Problem So | 13 | Claude Code | 1 | 893 tok |
| PANGKAIFENG/ai-product-manager-skills AI product manager skills for Codex/Claude: brainstorming, product research, PRD workflows | 13 | Codex, OpenCode | 1 | 561 tok |
| alessiorubicini/Apple-Foundation-Models-Agent-Skill Add expert Apple Foundation Models guidance to your AI coding tool (Agent Skills open form | 13 | Codex, OpenCode | 1 | 1,272 tok |
| AlexeyPerov/Unity-Open-MCP Unity-Open-MCP is a complete set of tools to use AI with Unity. It acts as a bridge betwee | 13 | Codex, OpenCode | 1 | 1,415 tok |
| anomaliaso/anomalia anomalia.so Your marketing department, automated. Open-source Grok Bot alternative specialized in mark | 13 | Claude Code, Codex, OpenCode | 30 | 10,835 tok |
| anivar/developer-docs-framework skills.sh AI agent skill for technical docs — Diataxis + 27 rules, 6 style guides (Google, Good Docs | 13 | Codex, OpenCode | 1 | 21,969 tok |
| us-all/android-mcp-server Android MCP server — 75 tools for ADB-based device management, UI automation, logcat, emul | 13 | Claude Code | 1 | 3,597 tok |
| chrisgliddon/bevy-skills Unofficial open source AI skills for Bevy, inspired by PixiJS Skills. These skills teach A | 13 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 2,849 tok |
| multiplex-term/Multiplex multiplexterm.dev An SSH / tmux / herdr terminal for Vision Pro, iPad and iPhone | 13 | Claude Code, Codex, OpenCode | 8 | 1,600 tok |
| hyeongchankim/poneytail | 13 | Codex, GitHub Copilot, OpenCode | 2 | 1,121 tok |
| FullStaQD/qcc | 13 | Codex, OpenCode | 1 | 264 tok |
| CulaccinoGray/douyin-product-visual-skill A Codex Skill for generating Douyin e-commerce product main images, detail pages, AI image | 13 | Claude Code, Codex, OpenCode | 2 | 1,396 tok |
| vehiclesdb/vehiclesdb vehiclesdb.com Open vehicle data: 19,282 models, 933 makes, 6 kinds (cars, motorcycles, mopeds, vans, tru | 13 | Codex, OpenCode | 1 | 2,304 tok |
| ardhaecosystem/fable-method The Fable Method: a structured problem-solving loop that gives any model Fable 5 grade thi | 13 | Codex, OpenCode | 1 | 1,942 tok |
| kitokoh/leopardo-hr gestionemployer-backend.vercel.app Open-source, AI-native HR & payroll OS for growing field-based companies. Multi-tenant, mo | 13 | Claude Code, Codex, OpenCode | 11 | 11,428 tok |
| ChilliCream/agent-skills | 13 | Claude Code, Codex, OpenCode | 2 | 713 tok |
| toonhuysmans/pocket-scion-synth Real-time generative synthesis firmware for the Pocket SCION | 13 | Codex, OpenCode | 1 | 1,475 tok |
| sourcenetwork/defradb.rs A full implementation of DefraDB in Rust | 13 | Claude Code | 1 | 3,611 tok |
| bmarshall511/forexflow bmarshall511.github.io Self-hosted forex trading platform with real-time OANDA integration, TradingView alert aut | 13 | Claude Code | 15 | — |
| LuisFelipeMoro/Harness-devkit Harness Devkit for agentic development | 13 | Claude Code, Codex, OpenCode | 2 | 786 tok |
| Pyrhame/SkyrimCK-MCP MCP server that lets Claude Code read/write Skyrim SE ESP files without opening Creation K | 13 | Claude Code | 1 | 1,871 tok |
| shippy/personal-intelligence-kit A read-only AI system that watches your digital exhaust and tells you what the engine is a | 13 | Claude Code | 1 | 328 tok |
| humblebanana/dsh-record-replay DeepSeek Harness record macOS desktop workflows by demonstration and turn them into agent | 13 | Codex, OpenCode | 1 | 273 tok |
| delta-exchange/delta-exchange-mcp mcp.delta.exchange Official Delta Exchange MCP | 13 | Claude Code | 1 | 6,309 tok |
| dPeluChe/trs usetrs.dev Token-Reducing Shell — terminal output compression for AI coding agents | 13 | Claude Code, Codex, OpenCode | 2 | 2,102 tok |
| zstvns/design-skills AI agent skills for the designer's craft — brand audit, strategy, creative direction, logo | 13 | Claude Code | 1 | 1,081 tok |
| klarlabs-studio/scout klarlabs-studio.github.io Browser automation, one binary. The simpler alternative to Playwright — no Node, no Python | 13 | Claude Code | 5 | 2,502 tok |
| jurimaxam-dotcom/chemdraw-mcp pypi.org Draw chemistry from chat: names or SMILES → publication-ready 2D structures, reaction sche | 13 | Claude Code | 1 | 3,594 tok |
| IvanMurzak/GameDev-MCP-Server ai-game.dev Engine-agnostic MCP server shared by Unity-MCP, Godot-MCP and Unreal-MCP | 13 | Claude Code | 1 | 792 tok |
| Podiom/Podiom Thin orchestration layer for local LLM agents. Durable sessions, profiles, scheduling, and | 13 | Claude Code, Codex, OpenCode | 2 | 928 tok |
| robium-ai/robium robium.ai Physical AI harness your agents need. An open-source, continuously evolving collection of | 13 | Claude Code, Codex, OpenCode | 4 | 809 tok |