23,157 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 agents7,557Claude Code6,620Data and AI3,682Backend and APIs3,496Languages3,401Planning3,217Git and workflow3,165Code review2,733Testing2,364Memory and context2,364DevOps and cloud2,310Writing and docs2,303Research2,297Frontend2,252Security2,013Productivity1,710
All Claude Code31,977 Codex23,157 OpenCode22,109 GitHub Copilot3,551 Gemini CLI1,917 Cursor1,739 Windsurf129 Kiro79
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| Joe-rq/harness-lab A Harness Engineering practice framework inspired by OpenAI, gstack, and Tencent engineeri | 21 | Claude Code, Codex, OpenCode | 16 | 4,859 tok |
| ufna/VaCuus Modern, ultra-optimized multithreaded web UI for Unreal Engine (Win/Mac/Linux/Android/iOS) | 21 | Claude Code, Codex, OpenCode | 5 | 5,787 tok |
| nokkies/ModbusForge ModbusForge — .NET 8 Avalonia Modbus TCP/RTU/ASCII client/server with simulation, trending | 21 | Claude Code, Codex, OpenCode | 2 | 1,115 tok |
| MylesBorins/athanor personal LLM alchemy | 21 | Codex, OpenCode | 1 | 4,837 tok |
| AyanbekDos/ponystack Think expensive, write cheap. A Claude Code plugin that marries gstack's process with pony | 21 | Codex, OpenCode | 1 | 325 tok |
| skwashd/ccodolo Multi-Agent Coding Environment | 21 | Claude Code, Codex, OpenCode | 2 | 2,790 tok |
| bb8ad8/addroid-oss AdDroid OSS — self-hostable, GitOps-driven Meta ad operations console. | 21 | Codex, OpenCode | 1 | 701 tok |
| ekbatan-io/ekbatan ekbatan-io.github.io Modern Java persistence framework for Event-driven systems. Built-in outbox pattern. Atomi | 21 | Claude Code, Codex, OpenCode | 5 | 18,159 tok |
| yideng966/LightAgent | 21 | Codex, OpenCode | 1 | 19,455 tok |
| mikekelly/promode A Claude Code plugin designed to make efficient use of Fable on usage credits. | 21 | Claude Code, Codex, OpenCode | 3 | 2,123 tok |
| opensupplyhub/open-supply-hub | 21 | Claude Code, Codex, OpenCode | 24 | 1,404 tok |
| itcaat/rcmd Use the right ⌘ + key to switch application | 21 | Codex, OpenCode | 1 | 974 tok |
| justinwetch/Skill-RSI Skill RSI is a recursive self-improvement loop for Agent Skills, grounded in evals. Standa | 21 | Claude Code, Codex, OpenCode | 2 | 780 tok |
| niyazmft/droid-ai-toolkit High-performance toolkit for running AI tools (OpenClaw, Pi Agent, n8n, Ollama, Hermes) na | 21 | Codex, OpenCode | 1 | 4,978 tok |
| JoeChen2me/RK-MediaProject | 21 | Claude Code, Codex, OpenCode | 2 | 650 tok |
| krivitsky/professional-agentic-product-engineering professional-agentic-product-engine.vercel.app A guide on Professional Agentic Product Engineering with Claude Code — from tier 1 to tier | 21 | Claude Code, Codex, OpenCode | 5 | 8,049 tok |
| clear0215/research-planning-architect a research planning skills | 21 | Codex, OpenCode | 1 | 163 tok |
| rv198-star/Mindthus If you think AI’s analytical and judgment capabilities are inferior to humans, perhaps you | 21 | Codex, OpenCode | 1 | 3,808 tok |
| Gaurav-Gosain/golars golars.gaurav.zip Pure-Go DataFrames modeled on polars, built on Apache Arrow. No cgo. | 21 | Claude Code, Codex, OpenCode | 2 | 2,162 tok |
| nirholas/analyze-ethereum-address Analyze Efficient Ethereum Addresses | 21 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 4 | 616 tok |
| obetomuniz/web-ai-sdk web-ai-sdk.dev web-ai-sdk: TypeScript SDK for the Web AI surface (Prompt, Writer, Rewriter, Proofreader, | 21 | Codex, OpenCode | 1 | 5 tok |
| MnemeHQ/mneme mnemehq.com Open-source architectural drift prevention for the agentic AI SDLC. Deterministic guardrai | 21 | Claude Code, Codex, OpenCode | 2 | 1,308 tok |
| standardbeagle/agnt dev.standardbeagle.com MCP Server for Development Tooling - Project Detection, Process Management, and Reverse Pr | 21 | Claude Code, Codex, OpenCode | 8 | 5,968 tok |
| starslingdev/skills starsling.dev Agent skills from StarSling | 21 | Claude Code, Codex, OpenCode | 2 | 3,264 tok |
| cyijun/china-financial-services AI agent plugins & managed-agent templates for China A-share market research and financial | 21 | Claude Code, Codex, OpenCode | 2 | 1,506 tok |
| lac5q/beastmode Beastmode: MofA (Mixture of Agents) orchestration framework for Hermes/OpenClaw/Codex with | 21 | Claude Code, Codex, OpenCode | 8 | 1,900 tok |
| cz1993/vibe-coding-repository-standard Open-source repository standard, starter template, validator, and multi-agent workflow for | 21 | Codex, OpenCode | 1 | 646 tok |
| riccardoerra/designer-to-builder Companion repository for the Figma Designer to Builder webinar series | 21 | Codex, OpenCode | 1 | 175 tok |
| riccardoerrafigma/designer-to-builder | 21 | Codex, OpenCode | 1 | 175 tok |
| yeasy/AgentGo One step to enable best-practices for AI agents — drop into any project and enjoy the magi | 21 | Codex, OpenCode | 1 | 5,798 tok |
| Intense-Visions/harness-engineering Mechanical constraints for AI agents. Ship faster without the chaos. | 21 | Claude Code, Codex, OpenCode | 6 | 24,734 tok |
| khairold/pibun | 21 | Claude Code, Codex | 5 | 3,749 tok |
| smekai/taskplanner | 21 | Claude Code, Codex, Cursor, OpenCode | 4 | 8,035 tok |
| AgriciDaniel/sync Evidence-gated Claude and Codex council orchestration. | 21 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 475 tok |
| samzong/gmc gmc.samzong.me Parallel git worktrees for parallel AI agents — plus AI-generated commits. | 21 | Codex, OpenCode | 1 | 2,386 tok |
| Qswhisper/PVF-Ai-Agent-Workbench tieba.baidu.com Portable AI Agent Workbench for safer DNF/DFO Script.pvf inspection and editing. Self-cont | 21 | Codex, OpenCode | 2 | 4,535 tok |
| emircbngl/blender-optics-simulator Blender add-on to design, simulate, align & render optical setups — live beam tracing, kin | 21 | Claude Code, Codex, OpenCode | 7 | 1,085 tok |
| awslabs/AutoHelix Agent-powered iterative optimization: put an AI agent in a verified improvement loop. | 21 | Claude Code, Codex, OpenCode | 2 | 1,656 tok |
| AeonDave/malskill Offensive oriented Skill for agentic AI | 21 | Codex, OpenCode | 1 | 1,209 tok |
| harness/harness-ai | 21 | Claude Code, Codex, OpenCode | 2 | 2,692 tok |
| PrithviSeran/hunch-mcp tryhunch.ca Drive your Mac focus-free over MCP: OS APIs, AppleScript, CDP, and Accessibility | 21 | Claude Code, Codex, OpenCode | 2 | 5,325 tok |
| windoze95/cantinarr cantinarr.com Self-hosted and self-healing discovery, media requests, and *arr stack management through | 21 | Claude Code, Codex, OpenCode | 2 | 5,293 tok |
| siberiacancode/agent-skills skills.sh 🤖 ai skills | 21 | Claude Code, Codex, OpenCode | 2 | 771 tok |
| DamonZS/PE-reverse-skill A general-purpose cross-platform reverse-engineering tool covering active Web intrusion, W | 21 | Codex, OpenCode | 1 | 4,421 tok |
| BariBariGood/manzanas manzanas.dapsdev.dev Mac daemon for multi-agent iOS simulator fleet orchestration: leases, warm pools, determin | 21 | Claude Code, Codex | 9 | — |
| shuguang1994/project-blueprint Make any project AI-agent-ready in one command. Adaptive tech stack detection (7 languages | 21 | Codex, OpenCode | 1 | 4,505 tok |
| playcanvas/skills developer.playcanvas.com Reusable skills for AI coding agents working with PlayCanvas products | 21 | Claude Code, Codex, OpenCode | 2 | 329 tok |
| CWNU-Open-Source-Community/DeepSeekMeter macOS menu bar app that monitors your DeepSeek account balance & token usage in real time | 21 | Codex, OpenCode | 1 | 3,490 tok |
| jan-bogaerts/md2 jan-bogaerts.github.io Plan, run, and track AI coding work feature by feature—with local Markdown cards and Git w | 21 | Claude Code, Codex | 6 | — |
| shinshin86/vrm-expression-agent-harness | 21 | Codex, OpenCode | 1 | 447 tok |