3,700 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 agents8,442Claude Code6,875Data and AI3,584Git and workflow3,574Backend and APIs3,550Languages3,468Planning3,315Code review2,876Testing2,653DevOps and cloud2,462Writing and docs2,461Memory and context2,373Research2,315Frontend2,301Security2,167Project management1,944
All Claude Code32,436 Codex24,692 OpenCode23,614 GitHub Copilot3,700 Gemini CLI2,016 Cursor1,769 Windsurf202 Kiro113
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| oaslananka/kicad-studio-kit oaslananka.github.io VS Code extension for KiCad EDA workflows with schematic/PCB viewers, DRC/ERC, BOM and exp | 20 | Codex, GitHub Copilot, OpenCode | 2 | 2,876 tok |
| pimcore/studio-backend-bundle Studio Backend bundle | 20 | Claude Code, Codex, GitHub Copilot | 3 | 1,670 tok |
| Macavity/mapeditor Online TileMap Editor for json/tmx files exported from Tiled. | 20 | GitHub Copilot | 1 | 815 tok |
| JustinGrote/ExcelFast A high performance PowerShell module for importing, exporting, and manipulating Excel File | 20 | GitHub Copilot | 1 | 672 tok |
| takehaya/Vinbero A complete subset of SRv6 local function & transit written in XDP and TC | 20 | GitHub Copilot | 1 | 218 tok |
| jrb00013/rudycanshoot MCP server + CLI that lets AI assistants take and view screenshots. Auto-installs into Cla | 19 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode, Windsurf | 7 | 1,340 tok |
| MartinLoeper/claude-o-meter CLI tool to extract Claude AI usage metrics as JSON for status bars like HyprPanel. Includ | 19 | Claude Code, GitHub Copilot | 2 | 1,583 tok |
| smartzan63/lucid-mcp-server | 19 | GitHub Copilot | 1 | 323 tok |
| V0ightt/Rassam rassam.dev Rassam is an agent that lets you create flowcharts and convert them to code and vice versa | 19 | Claude Code, GitHub Copilot | 2 | 2,661 tok |
| fadwen/Powershell-Copilot-Standards techbyjeff.net Enterprise-grade PowerShell development standards and GitHub Copilot instructions for cons | 19 | GitHub Copilot | 24 | 43,625 tok |
| phil65/LLMling Easy MCP (Model Context Protocol) servers and AI agents, defined as YAML. | 19 | GitHub Copilot | 1 | 140 tok |
| paulyuk/snap-squad Warm-start addon for bradygaster/squad — pre-baked agent squads for hire for instant deplo | 19 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 2,506 tok |
| paulnsorensen/easy-cheese cheeselord.dev Cheese your code 🧀 — high-quality results as easy as cheese. A portable, harness-agnostic | 19 | Codex, GitHub Copilot, OpenCode | 5 | 5,058 tok |
| ssdeanx/secure-rag-multi-agent deanmachines.com Secure Retrieval-Augmented Generation (RAG) with role-based access control using Mastra AI | 19 | Codex, GitHub Copilot, OpenCode | 3 | 15,972 tok |
| dmgrok/agent-plugins dmgrok.github.io Discover and install plugins and skills for AI coding agents, with a searchable catalog an | 19 | GitHub Copilot | 1 | 3,904 tok |
| AndreaGriffiths11/teamxray Human discovery through code analysis - VS Code extension that reveals team expertise. | 19 | Codex, GitHub Copilot, OpenCode | 3 | 3,117 tok |
| aerospike/agent-skills Official Aerospike agent skills repo | 19 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 1,671 tok |
| Hellek1/ib-mcp Model Context Protocol (MCP) server exposing Interactive Brokers data via ib_async + FastM | 19 | GitHub Copilot | 1 | 1,423 tok |
| jnPiyush/AgentX agentx-silk.vercel.app AgentX - Digital Force for Software Delivery | 19 | Claude Code, Codex, GitHub Copilot, OpenCode | 11 | 11,896 tok |
| sandraschi/virtualization-mcp MCP Server and Webapp for VirtualBox, Hyper-V and Windows sandbox. VM operations, network | 19 | Claude Code, Codex, GitHub Copilot, Cursor, OpenCode, Windsurf | 8 | 1,672 tok |
| nilupulk/claude-code-free Run Claude Code CLI for free using OpenRouter - No paid subscription needed | 19 | Claude Code, GitHub Copilot | 2 | 1,106 tok |
| ietf-wg-acme/draft-ietf-acme-dns-persist ietf-wg-acme.github.io | 19 | Codex, GitHub Copilot, OpenCode | 2 | 3,775 tok |
| event4u-app/agent-config event4u.app Skills, rules, slash commands and subagents for Claude Code, routed by intent and compiled | 19 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 2,650 tok |
| btseee/clean-code-skills Clean Coding and Clean Archictecture skills for Agents | 19 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 5 | 5,619 tok |
| clpi/down.nvim down.cli.st the (eventually) infinitely extensible markdown note-taking work environment that you can | 19 | GitHub Copilot | 1 | 8 tok |
| langchain4j/langchain4j-cdi Integrating langChain4J with CDI to be able to infuse applications with Ai seamlessly | 19 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 6,468 tok |
| lilhammerfun/clumsies clumsies.ai A persistent, observable, and collaborative memory infrastructure | 19 | GitHub Copilot | 1 | 469 tok |
| montumodi/mongodb-atlas-api-client A mongdb atlas api client for nodejs. | 19 | GitHub Copilot | 1 | 2,181 tok |
| meshtastic/meshtastic-mcp pypi.org MCP server + agent skills for AI tooling to discover, drive, observe, and test Meshtastic | 19 | Claude Code, Codex, GitHub Copilot, Cursor, Gemini CLI, OpenCode, Windsurf | 6 | 8,026 tok |
| nativesoil/handover nativesoil.dev An open JSON format and local toolchain for carrying an AI assisted project's working stat | 18 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 6,002 tok |
| ramalamadingdong/frc-rag-mcpserver This contains a MCP Server that has all the documentation for WPILib. | 18 | GitHub Copilot | 1 | 510 tok |
| DocRoms/Kronn Self-hosted control plane for AI coding agents (Claude Code, Codex, Gemini, Ollama). Shar | 18 | Claude Code, Codex, GitHub Copilot, Cursor, Gemini CLI, Kiro, OpenCode, Windsurf | 7 | 1,616 tok |
| JinNing6/Noosphere The live network for high-quality Agent Skills — discover the latest verified versions, pu | 18 | GitHub Copilot | 1 | 1,046 tok |
| heurema/signum skill7.dev Risk-adaptive development pipeline with adversarial consensus code review | 18 | Codex, GitHub Copilot, OpenCode | 2 | 1,731 tok |
| sandeepshekhar26/develop-anything | 18 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 5,773 tok |
| xi-kari/crossframe-skill xi-kari.github.io CrossFrame Skill Suite: Chinese-language structural diagnosis, public-issue analysis, orga | 18 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 37 | 12,411 tok |
| joshuaalpuerto/mcp-agent Lightweight, focused utilities to manage connections and execute MCP tools with minimal in | 18 | Claude Code, Codex, GitHub Copilot | 5 | 1,506 tok |
| lihowfun/O-ALL-WANT A practical framework that integrates proven GitHub patterns for agent memory, skills, and | 18 | Claude Code, GitHub Copilot | 2 | 1,665 tok |
| Cadasto/openehr-assistant-mcp cadasto.github.io A Model Context Protocol (MCP) Server to assist you on various openEHR related tasks and A | 18 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 2,466 tok |
| WYRE-AI/itglue-mcp conduit.wyre.ai MCP server for IT Glue — documentation, passwords, configurations, and flexible asset tool | 18 | GitHub Copilot | 1 | 858 tok |
| 3D-Tech-Solutions/code-scalpel Code Scalpel is the bridge between **Generative AI** and **Reliable Software Engineering** | 18 | Claude Code, Codex, GitHub Copilot, OpenCode | 4 | 15,290 tok |
| fabioc-aloha/spotify-skill Spotify Skills for Claude - Production Spotify API integration + complete toolkit for crea | 18 | GitHub Copilot | 1 | 9,988 tok |
| veecle/chiplab veecle.ai Give agents access to virtual hardware. | 18 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 2,171 tok |
| tene-ai/tene tene.sh AI-safe secret manager CLI for Claude Code, Cursor, and other AI agents. Local-first, encr | 18 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 4 | 3,109 tok |
| TsuyoshiUshio/buka-samples Sample Project for the buka project | 18 | Claude Code, Codex, GitHub Copilot, OpenCode | 6 | 2,584 tok |
| Azure-Samples/APIM-Unified-AI-Gateway-Sample | 18 | GitHub Copilot | 4 | 7,459 tok |
| zircote/lsp-tools LSP-first code intelligence for Claude Code with strong enforcement patterns. Part of the | 18 | Claude Code, GitHub Copilot | 2 | 574 tok |
| sandraschi/qcad-mcp fastmcp 3.4 server plus webapp for qcad pro architectural cad | 18 | Claude Code, Codex, GitHub Copilot, Cursor, OpenCode, Windsurf | 6 | 744 tok |
| alxpark/propresenter-mcp ProPresenter 7 MCP Server | 18 | GitHub Copilot | 1 | 161 tok |
| SolaceProducts/solace-broker-mcp Production MCP server for the Solace broker | 18 | Claude Code, GitHub Copilot | 9 | 1,175 tok |