43,750 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 agents7,690Claude Code6,656Data and AI3,669Backend and APIs3,506Languages3,395Planning3,227Git and workflow3,219Code review2,753Testing2,387Memory and context2,368Writing and docs2,331DevOps and cloud2,317Research2,292Frontend2,266Security2,036Productivity1,725
All Claude Code31,992 Codex23,401 OpenCode22,346 GitHub Copilot3,564 Gemini CLI1,917 Cursor1,741 Windsurf146 Kiro83
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| XINGANLIU/design-system-generator-skill 🎨 One color in → Full design system out. AI agent skill for generating production-ready d | 1 | Codex, Cursor, OpenCode | 2 | 851 tok |
| evertonrpinheiro/everton-ai-agent-kit AI agent framework for Java/Spring Boot code review, architecture guidance, DevOps automat | 1 | Codex, OpenCode | 1 | 157 tok |
| ali-ulu/awesome-agent Awesome Agent SDLC v1.2 — Open-source standard documentation repository for AI-agent-assis | 1 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 4 | 1,264 tok |
| Ddhjx-code/Demand-Discovery-Skill AI coding assistant skill for automated niche demand discovery. Scans 7 data sources acros | 1 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 4 | 1,003 tok |
| pharosone/vector-plugin pharosone.ai Red-team scanning for LLM agents, wired into your AI editor — one plugin for Claude Code, | 1 | Gemini CLI | 1 | 710 tok |
| architect-4-citadell/elektra-skills elektra-skills.vercel.app Governance skills for AI coding agents. Responsible AI-driven execution — Godspeed. Built | 1 | Claude Code | 6 | 4,140 tok |
| KazukiShinomiya/sdd-starter Zero-dependency, language-agnostic, multi-agent specification-driven development (SDD) tem | 1 | Claude Code, Codex, OpenCode | 26 | 2,583 tok |
| thearpankumar/MCP-OsAutomation You want your cli coder to control your os too, use this MCP | 1 | Claude Code | 1 | 1,308 tok |
| Yugoge/awesome-claude-harness A self-governing agent OS for Claude Code — an orchestrator-only main agent, an evidence-g | 1 | Claude Code | 1 | 2,340 tok |
| stakpak/tab chromewebstore.google.com A command-line interface for controlling a real browser through the staktab extension. Nav | 1 | Codex, OpenCode | 1 | 495 tok |
| mandelbro/awesome-claude-hooks User-level Claude Hooks to make enterprise-grade software to. | 1 | Claude Code | 11 | — |
| mingchen-ai-code/awesome-claude-code | 1 | Claude Code | 1 | — |
| JohanSpannare/awesome-claude-extensions Claude skills for real-world software development. | 1 | Claude Code | 1 | 1,238 tok |
| jpbaking/goal-ledger A project-local, git-tracked execution record for coding agents: crash recovery, handoff, | 1 | Claude Code, Codex, OpenCode | 2 | 160 tok |
| ZhanZiyuan/vercel-mcp geminicli.com A Gemini CLI extension for Vercel's official MCP server. | 1 | Gemini CLI | 1 | 263 tok |
| DevExplorerr/Evolution-of-Todo Phase I of "Evolution of Todo" Hackathon. An in-memory Python console application built en | 1 | Gemini CLI | 1 | 2,321 tok |
| IGPenguin/hades-gate 🔥 Claude Skill: Feature idea to orthogonal analysis | 1 | Claude Code, Gemini CLI | 2 | 1,377 tok |
| edible999999999-jpg/humhum 🪼 HumHum — AI coding companion as a desktop jellyfish pet. Voice-narrates Claude Code / C | 1 | Claude Code, Codex, OpenCode | 3 | 5,445 tok |
| Nisus74/humanise An AI writing skill that preserves meaning and learns your voice across Claude Code, Codex | 1 | Claude Code, Codex, Gemini CLI, OpenCode | 6 | 1,790 tok |
| Jaywang1013/Awesome-Himice-SOP-skill Local-first event operations SOP skills for Codex, DeepSeek Harness, and Claude Code. | 1 | Codex, OpenCode | 1 | 483 tok |
| ai-digital-architect/awesome-claude-code Set of awesome agents , skills , hooks , commands and plugins for Claude Code inspired by | 1 | Claude Code, Codex, OpenCode | 3 | 3,784 tok |
| kpab/awesome-fun-claude-skills A curated list of fun, entertaining, and joke Claude Code skills — personas, humor, games, | 1 | Claude Code | 2 | 456 tok |
| GestaltView-AI/awesome-claude-code-subagents A collection of 100+ specialized Claude Code subagents covering a wide range of developmen | 1 | Claude Code | 1 | 595 tok |
| taipan-pr/awesome-claude-code-subagents | 1 | Claude Code | 1 | 595 tok |
| MusesCraft/awesome-claude-designCN Traditional Chinese translation of awesome-claude-design — design system templates and pro | 1 | Claude Code | 1 | 3,979 tok |
| YangChen7EDU/awesome-agent-skills A curated collection of practical, plug-and-play skills for AI agents (Claude, Claude Code | 1 | Claude Code | 1 | 27 tok |
| everest-an/AwesomeContext AwsomeContext — Give Claude Code the engineering knowledge of a senior team — architecture | 1 | Claude Code | 1 | — |
| yunhai-dev/awesome-claude-code Here are some configuration tips and best practices for Claude Code, based on my personal | 1 | Claude Code | 1 | 1,077 tok |
| seanlion/awesome-skills-for-claude useful SKILLs for Claude | 1 | Claude Code | 1 | — |
| landim32/awesome-ai-skills Claude AI Skills repository | 1 | Claude Code | 1 | 590 tok |
| AIGC-Hackers/awesome-ai-image-prompts-claude A curated collection of 1268 AI image prompts for GPT-4o, Nano Banana Pro, and Seedream 4. | 1 | Claude Code | 1 | 687 tok |
| Rojios/awesome-claude-code45k | 1 | Claude Code | 1 | — |
| microrepar/awesome-opencode-agents " 24 specialized AI agents adapted from the original Awesome Claude Agents project, now co | 1 | Codex, OpenCode | 1 | 3,164 tok |
| KeenMate/pure-admin-icons icons.pureadmin.io Search engine for open-source SVG icons. Aggregates 15,000+ icons from FluentUI, Font Awes | 1 | Claude Code, Codex, OpenCode | 2 | 5,856 tok |
| pnaque/pnaque_codex-universal-design-skill Unified design skill for Claude Code + OpenAI Codex. Adaptation of ZeroZ-lab/cc-design (MI | 1 | Codex, OpenCode | 1 | 1,049 tok |
| Supersynergy/awesome-agentic-coding Turn Claude Code into a failsafe, token-efficient, one-shot coding machine. 50+ tools, 7 s | 1 | Claude Code, Codex, OpenCode | 2 | 161 tok |
| trendinux/agentic-awesome-skills sickn33.github.io Installable GitHub library of 1,900+ agentic skills for Claude Code, Cursor, Codex CLI, Au | 1 | Codex, OpenCode | 1 | 661 tok |
| anti-enterprises/proj-init Claude Code skill for initializing new project repos with standardized configuration, GCP | 1 | Claude Code, Codex, OpenCode | 2 | 939 tok |
| DeeeFOX/awesome-agent-search Research and best practices for bringing web search into Codex, Claude Code, OpenClaw, and | 1 | Codex, OpenCode | 1 | 435 tok |
| andyluu98/awesome-petdash Desktop pet that monitors your AI coding agents + shows Claude Code quota (used % and rese | 1 | Codex, OpenCode | 1 | 803 tok |
| pedroiff0/awesome-skills Enterprise-grade library of reusable Skills, Agents & Plugins for AI agents — multi-tool ( | 1 | Codex, OpenCode | 1 | 776 tok |
| tsingke/claude-tutorials A curated collection of Claude AI tutorials — 5 of the best-regarded learning resources co | 1 | Claude Code | 1 | — |
| sendralt/agentic-awesome-skills The Ultimate Collection of 200+ Agentic Skills for Claude Code/Antigravity/Cursor. Battle- | 1 | Codex, OpenCode | 1 | 661 tok |
| JosephDeepIntelli/awesome-sales-pitches Skill-first library of reusable sales-pitch patterns for Claude Code and Codex agents. Tur | 1 | Codex, OpenCode | 1 | 240 tok |
| jschick04/CopilotInstructions | 1 | Codex, GitHub Copilot, OpenCode | 18 | 64,289 tok |
| zarfld/copilot-instructions-template | 1 | Claude Code, Codex, GitHub Copilot, OpenCode | 22 | 73,121 tok |
| felipementel/github-instructions-v1 Repositorio para demonstrar o poder do GitHub Copilot Instructions | 1 | GitHub Copilot | 6 | 608 tok |
| arkatom/ai-instructions 🤖 CLI tool to scaffold AI development instructions for ClaudeCode, Cursor, GitHub Copilot | 1 | Claude Code | 1 | 1,031 tok |
| vishaljsoni/copilot-customizations-workshop Hands-on 60-minute workshop covering GitHub Copilot customizations: copilot-instructions.m | 1 | GitHub Copilot | 1 | 477 tok |
| nastanford/copilot_instructions Instruction ideas for github copilot. | 1 | GitHub Copilot | 1 | 702 tok |