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 |
|---|---|---|---|---|
| OpenLinkSoftware/ai-agent-skills OPAL AI Agent Skills Collection (Skills.md Compliant) | 39 | Codex, OpenCode | 1 | 4,685 tok |
| xorbitsai/xrouter-llm A prompt-aware LLM router that predicts which models can complete each request, then selec | 39 | Claude Code, Codex, OpenCode | 2 | 6,964 tok |
| ajhcs/cameo-mcp-bridge MCP server bridging AI assistants to CATIA Magic / Cameo Systems Modeler for SysML/UML mod | 39 | Codex, OpenCode | 1 | 167 tok |
| selvarajmurugesan90/ops-engineering-skills Open-source, cross-agent Agent Skills for DevOps, DevSecOps, Cloud, Kubernetes/platform en | 39 | Codex, OpenCode | 1 | 661 tok |
| MCDxAI/minecraft-dev-mcp MCP server for Minecraft Development | 39 | Claude Code, Codex, OpenCode | 6 | 6,960 tok |
| tradermonty/hermes-trading-research-agent-work-package Hermes profile distribution turning claude-trading-skills into an always-on US-equity rese | 39 | Codex, OpenCode | 1 | 4,704 tok |
| TheEagleByte/skylight-mcp MCP server for Skylight family calendar - enables AI assistants to manage calendars, chore | 39 | Claude Code | 1 | 1,203 tok |
| LaGrowthMachine/gtm-system lagrowthmachine.com Open-source Claude skills and an MCP server for Sales and GTM teams: build Sales Navigator | 39 | Claude Code | 1 | 2,395 tok |
| issol14/paper2code-skill A Claude Code Skill that converts research papers into executable code - no extra API cost | 39 | Codex, OpenCode | 1 | 998 tok |
| skyf0xx/hedgehog HEDGEHOG codes Cleaner, Faster and with Fewer Tokens. Hedgehog's AI-driven development bui | 39 | Claude Code, Gemini CLI | 6 | 4,376 tok |
| hyperb1iss/hyperdroid-skill hyperbliss.tech Agent skills for Android and custom ROMs | 39 | Claude Code, Codex, OpenCode | 1 | 811 tok |
| dejuknow/md-redline Inline review comments for markdown specs. Built-in MCP server hands feedback directly to | 39 | Claude Code, Codex, OpenCode | 2 | 29,483 tok |
| dleerdefi/claude-code-construction Claude Code skills for construction professionals. | 39 | Claude Code | 1 | 456 tok |
| zuke-build/zuke zuke.build 🥷 A code-first, strongly-typed build automation system for Deno. | 39 | Claude Code, Codex, OpenCode | 2 | 9,589 tok |
| Servosity/msp-skills msp-skills.compoundingteams.com Free MCP servers + Claude Code Skills for MSP tools - PSA, RMM, backup, M365. Local-first: | 39 | Codex, OpenCode | 1 | 2,245 tok |
| strausmann/mcp-dockhand MCP Server for Dockhand Docker Management - exposes 130+ API endpoints as MCP tools | 39 | Claude Code, GitHub Copilot | 4 | 2,565 tok |
| mordor-forge/study-skill Claude Code skill for interactive learning with FSRS-6 spaced repetition, research agents, | 39 | Claude Code, Codex, OpenCode | 2 | 644 tok |
| erp-mafia/fortnox-mcp fortnox-mcp.vercel.app | 39 | Claude Code | 1 | — |
| yha9806/academic-writing-toolkit Local-first, evidence-controlled academic writing workflows for AI agents, with bounded re | 39 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 1,254 tok |
| rhein1/agoragentic-integrations agoragentic.com Public adapters and discovery catalog for Triptych OS (Agent OS): agent frameworks, MCP/A2 | 39 | Codex, GitHub Copilot, Gemini CLI, OpenCode | 3 | 3,193 tok |
| AbdullahHameedKhan/karpathy-ponytail-skills Karpathy's LLM coding guidelines merged with Ponytail's laziness ladder, think before codi | 39 | Claude Code, Codex, OpenCode | 2 | 2,217 tok |
| itsthisjustin/sd-plugins | 39 | Claude Code | 1 | — |
| sergebulaev/threads-skills cccrafts.ai Threads marketing skills for Claude Code and Codex: posts, multi-post threads, hooks, repl | 39 | Claude Code, Codex, OpenCode | 2 | 3,433 tok |
| velane-sh/velane velane.sh Velane is agentic cloud for deploying your basic workflows, agents and sub-agents. 800+ OA | 39 | Claude Code, Codex, OpenCode | 3 | 2,532 tok |
| marcomuser/conformal npmjs.com Type-safe form submissions for the modern web. | 39 | Codex, OpenCode | 1 | 669 tok |
| xelis-project/xelis-genesix-wallet Genesix is a unique and easy-to-use GUI wallet for XELIS available on Windows, Linux, Andr | 39 | Claude Code, Codex, GitHub Copilot, OpenCode | 19 | 3,252 tok |
| TriV3/MCP-Kali-Server Automates Kali Linux pentesting with MCP: programmatic access to popular tools, SSH and re | 38 | GitHub Copilot | 1 | 116 tok |
| enowdev/enowx-rag RAG Skill and MCP for AI agents for codebase indexing and memory | 38 | Claude Code, Codex, OpenCode | 2 | 2,238 tok |
| tuziapi/tuzi-skills Skills based on the Tuzi AI API | 38 | Claude Code | 2 | 4,126 tok |
| MarinJursic/production-readiness-checklist marinjursic.github.io Evidence-driven production readiness checklist for shipping web applications with confiden | 38 | Claude Code | 1 | 725 tok |
| railyard-dev/railguard railguard.tech Safe runtime for Claude Code, built to be yours. | 38 | Claude Code | 1 | 627 tok |
| alxyrgin/health-os glake.ai Personal health management system on Claude Code: 14 AI doctors, mandatory debate among sp | 38 | Claude Code | 41 | 6,682 tok |
| tankpkg/tank tankpkg.dev Security-first package manager for AI agent skills | 38 | Claude Code, Codex, OpenCode | 3 | 8,837 tok |
| Oolab-labs/claude-ide-bridge MCP bridge giving Claude Code full IDE integration — 25+ tools for LSP, debugging, termina | 38 | Claude Code, Cursor | 14 | 8,609 tok |
| vectimus/vectimus vectimus.com Deterministic governance for AI coding agents. Cedar-based policy engine that intercepts e | 38 | Codex, OpenCode | 1 | 2,214 tok |
| rp1-run/rp1 rp1.run Ready Player One - stop prompting; start shipping | 38 | Claude Code, Codex, OpenCode | 2 | 3,933 tok |
| shyftai/WEBOS shyft.ai Content Operating System — content marketing, SEO, social media, publishing. Create it. Pu | 38 | Claude Code | 31 | 553 tok |
| girishr/SpecPilot specpilot.dev Spec-driven development (SDD) CLI for AI coding agents (Claude Code, Cursor) - initialize, | 38 | Claude Code, GitHub Copilot | 11 | 1,505 tok |
| oanhduong/token-ninja token-ninja routes deterministic shell commands locally — zero LLM calls, ~19µs latency. W | 38 | Claude Code | 1 | 2,784 tok |
| pedrocivita/tocket Tocket Transmition Protocol | 38 | Claude Code, Gemini CLI | 2 | 1,348 tok |
| paceaitian/paceflow Deterministic workflow enforcement and persistent engineering memory for long-running codi | 38 | Claude Code | 1 | 1,101 tok |
| YoavLax/agent-compass agentcompass.ashymeadow-b5411f47.eastus.azurecontainerapps.io Get your repo ready for AI. | 38 | Claude Code, Codex, GitHub Copilot | 5 | 979 tok |
| ea-toolkit/architecture-catalog architecture-catalog.web.app Git-native architecture catalog — Markdown registry, schema-driven UI, AI-ready | 38 | Claude Code | 5 | 2,891 tok |
| exiw-ai/proofloop AI orchestrator that runs until done. Define what "done" means, go to sleep, wake up to ve | 38 | Claude Code | 1 | 551 tok |
| booklib-ai/booklib booklib-ai.github.io Detects what your AI doesn't know about your project and fixes it. Post-training gap detec | 38 | Claude Code, Codex, OpenCode | 2 | 613 tok |
| MicSm/boffin Staff-engineer layer for AI coding agents: routes per-edit architectural constraints and r | 38 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 7,626 tok |
| 569270901/claude-web-test-harness Domain-agnostic multi-agent UI automation testing orchestration skeleton, driven by Claude | 38 | Claude Code | 9 | 881 tok |
| Prismer-AI/signet signet-auth.vercel.app Proof layer for AI agents. Cryptographically verify every action. | 38 | Codex, OpenCode | 1 | 657 tok |
| Pretend-to/mio-chat-backend ai.krumio.com 🤖 Next-gen Agent OS: V3 Hook architecture, native MCP & Skills, real PTY sandbox (node-pt | 38 | Claude Code | 1 | 2,414 tok |
| pontjs/pontx pontx.dev OpenAPI lifecycle management for API discovery, documentation, type-safe SDK generation, C | 38 | Claude Code, Codex | 2 | 2,315 tok |