24,815 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 agents8,505Claude Code6,886Git and workflow3,611Data and AI3,580Backend and APIs3,556Languages3,487Planning3,327Code review2,899Testing2,686Writing and docs2,480DevOps and cloud2,479Memory and context2,375Research2,323Frontend2,308Security2,172Project management1,965
All Claude Code32,517 Codex24,815 OpenCode23,733 GitHub Copilot3,719 Gemini CLI2,034 Cursor1,770 Windsurf202 Kiro114
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| MishraShardendu22/mini-coding-agent CLI with Skills as a mini coding agent. | 5 | Claude Code, Codex | 3 | — |
| BlueEventHorizon/Swift-Selena Swift Analyzer MCP Server, with respect to Serena | 5 | Claude Code, Codex, Gemini CLI, OpenCode | 15 | 4,119 tok |
| gadenbuie/ds-lab-agent-skills Posit DS Lab: Agent Skills! | 5 | Claude Code, Codex | 3 | — |
| TypeFox/agent-skills typefox.dev Collection of agent skills for technologies used at TypeFox | 5 | Claude Code, Codex, OpenCode | 2 | 2,162 tok |
| vanja-emichi/a0_agent_skills Production-grade engineering skills for Agent Zero — 20 skills covering the full dev lifec | 5 | Codex, OpenCode | 1 | 1,198 tok |
| jastice/rules_agents Discover and configure agent skills; manage profiles and run agents from Bazel | 5 | Claude Code, Codex, OpenCode | 2 | 1,963 tok |
| fellipeutaka/leon 🤖 A curated collection of Agent Skills for AI coding agents | 5 | Claude Code, Codex, OpenCode | 2 | 380 tok |
| iamBrzDev/enterprise-agent-skills Agent Skills for the enterprise backend stack — .NET, Laravel, SQL Server | 5 | Claude Code, Codex, OpenCode | 2 | 2,554 tok |
| Fandy-ust/cover-letter-assistant Agent skills that master cover-letter writing | 5 | Codex, OpenCode | 9 | 415 tok |
| danielgap/openclaw-planitor Sistema de creación de planes de negocio para OpenClaw — Agentes, skills, pipeline y frame | 5 | Claude Code, Codex, OpenCode | 2 | 593 tok |
| mrlarson2007/copilot-tdd-harness A GitHub Copilot TDD harness that enforces RED→GREEN→COMMIT→REFACTOR workflow using native | 5 | Claude Code, Codex, GitHub Copilot | 14 | 385 tok |
| pillaiharish/opencode-ollama-steroids OpenCode + Ollama multi-agent workflow with builder/reviewer agents, headless runs, skills | 5 | Claude Code, Codex, OpenCode | 8 | 1,732 tok |
| dhanushk-offl/resume-parser npmjs.com An agent skill, CLI tool, npm library, and MCP server that deeply parses resumes using the | 5 | Codex, OpenCode | 1 | 533 tok |
| morajabi/yc-partner Knowledge pack for YC application review, interview prep, fun facts, office hours, rejecti | 5 | Codex, OpenCode | 1 | 2,397 tok |
| kallolchakraborty/ABAP-guardian Enterprise-grade SAP ABAP code review skill & AI agent guardrails enforcing Clean ABAP, AT | 5 | Claude Code, Codex | 1 | — |
| casterkay/gurutalks Distill the thoughts of modern and ancient masters into intelligent-agent memory bases and | 5 | Claude Code, Codex, OpenCode | 2 | 6 tok |
| mastercodeai/private-board-meeting-skill Executive decision-making framework — 7 top business advisors structurally scrutinize your | 5 | Codex, OpenCode | 1 | 728 tok |
| Gfriend997/gemini-companion garywong.ai Claude Code plugin for Google Gemini: delegated tasks, code review, adversarial review, ba | 5 | Claude Code, Codex, OpenCode | 1 | 561 tok |
| tatat/agents-playground tatat.github.io | 5 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 349 tok |
| leewnsdud/garmin-connect-mcp | 5 | Codex, OpenCode | 1 | 9,272 tok |
| ManuelBerrueta/hacking-buddy-mcp Hacking Buddy MCP is a proof-of-concept MCP Server showing how AI can be leveraged in secu | 5 | Codex, OpenCode | 1 | 410 tok |
| LeonMelamud/pikud-a-oref-mcp | 5 | Codex, OpenCode | 1 | 2,156 tok |
| Subconscious-ai/ghostshell MCP (Model Context Protocol) server for the Subconscious AI API | 5 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 2,076 tok |
| aws-samples/sample-sagemaker-agentic-model-deployment Agent-driven staging, deployment, benchmarking, and optimization of open-weight models on | 5 | Codex, Kiro, OpenCode | 4 | 8 tok |
| Sma1lboy/coforce-apply coforce.vercel.app Your job hunt on autopilot — skill-first job application agent: discover, tailor, apply, t | 5 | Claude Code, Codex, OpenCode | 12 | 1,488 tok |
| FerryCorleone/pingshu-skill Agent Skill for modern Chinese pingshu scripts and TTS performance plans | 5 | Codex, OpenCode | 1 | 389 tok |
| straddleio/ai a collection of plugins, skills, and tools for agentic development on the straddle platfor | 5 | Claude Code, Codex, OpenCode | 2 | 1,245 tok |
| crockpotveggies/execlaw Self-hosted AI agent with persistent memory, plugins, tools, and skills written in Rust | 5 | Codex, OpenCode | 1 | 4,210 tok |
| lijiawei255/agent-edu-reviewkit A skill for an agent programming assistant that helps students convert course materials in | 5 | Claude Code, Codex, OpenCode | 2 | 3,302 tok |
| Codagent-AI/and-scene An Agent Skill that builds animated, morphing slide presentations | 5 | Claude Code, Codex, OpenCode | 2 | 744 tok |
| DUBSOpenHub/groundhog-day 🐿️ Autonomous backup agent for Copilot CLI skills. Your laptop will crash. Your skills wo | 5 | Codex, OpenCode | 1 | 900 tok |
| appeeky/stripe-skills appeeky.com AI agent skills that make your assistant a full Stripe expert. Covers revenue analytics, g | 5 | Claude Code, Codex, OpenCode | 2 | 306 tok |
| VKneider/slicejs-mcp | 5 | Codex, OpenCode | 1 | 756 tok |
| gleanwork/pluginpack Compile one source of agent plugins - skills, commands, hooks, and MCP servers - into the | 5 | Claude Code, Codex, OpenCode | 3 | 2,443 tok |
| QuantitativeX/shanghai-social-security-agent quantitativex.github.io Unemployment policy consultation: Shanghai unemployment insurance, social security for fle | 5 | Claude Code, Codex | 2 | — |
| gobing-ai/superskill A manager for multi-agent skill, slash command, subagent, hook, MCP and etc. | 5 | Claude Code, Codex, Cursor, Gemini CLI, OpenCode | 5 | 2,789 tok |
| season179/ai-sdk-app Sandbox for Vercel AI SDK experiments: tool search over a 200-tool catalog, Postgres-backe | 5 | Claude Code, Codex, OpenCode | 3 | 654 tok |
| alleneubank/tilt-mcp MCP server for Tilt CLI integration, enabling AI assistants to interact with Tilt developm | 5 | Claude Code, Codex, OpenCode | 2 | 8 tok |
| kkaminsk/Packager-MCP Another random idea, can I flip packaging on it's head with Claude CLI and a MCP. | 5 | Claude Code, Codex, OpenCode | 5 | 2,775 tok |
| feathersjs-ecosystem/FeathersMCP | 5 | Claude Code, Codex | 1 | — |
| eamonboyle/mssql-mcp npmjs.com MCP tool to connect your IDE / Agents to MSSQL | 5 | Claude Code, Codex, Cursor, OpenCode | 3 | 1,394 tok |
| SunOfTheEast/highschool-study-claude-code Markdown-first personalized high-school learning plugin for Claude Code, with a 519-card d | 5 | Codex, OpenCode | 1 | 3,601 tok |
| toolate28/HOPE-AI-NPC-SUITE AI-powered Minecraft NPCs using Claude API - Modular server setup framework with ClaudeNPC | 5 | Claude Code, Codex, OpenCode | 8 | 2,936 tok |
| OpenLAIR/dr-claw-plugin-cc Dr. Claw plugin for Claude Code — AI research pipeline | 5 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 6,051 tok |
| orchidautomation/pluxx pluxx.dev Maintain one plugin source. Ship native plugins to Claude Code, Cursor, Codex, and OpenCod | 5 | Codex, OpenCode | 1 | 504 tok |
| viant/mcp Model Context Protocol (MCP) for golang | 5 | Codex, OpenCode | 1 | 298 tok |
| LupinLin1/jimeng-web-mcp | 5 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 13,720 tok |
| ratelworks/agent-quality-oss An MCP server that connects Korean construction quality management expertise to LLMs. cc: | 5 | Codex, OpenCode | 1 | 832 tok |
| HyunjunJeon/FastCampus_mcp_a2a_workflow_project fastcampus.co.kr FastCampus online course - Building an unimaginable Multi-Agent system with MCP and A2A (P | 5 | Codex, OpenCode | 1 | 583 tok |
| SSX360/matrixscroll matrixscroll.com Protocol v2 signed machine-action records with ML-DSA-87, SHA-384 ledgers, offline verific | 5 | Claude Code, Codex, OpenCode | 2 | 1,629 tok |