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 |
|---|---|---|---|---|
| canonical/copilot-collections Instructions, prompts, and configurations to help you make the most of GitHub Copilot. | 32 | GitHub Copilot | 1 | 1,215 tok |
| TencentCloudCommunity/mcp-server Tencent Cloud MCP Server, Support Remote Hosted and Local Installation | 32 | GitHub Copilot | 1 | 2,482 tok |
| nirholas/mcp-notify mcp-notify.modelcontextprotocol.name Monitor the Model Context Protocol (MCP) Registry for new, updated, and removed servers. G | 32 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 4 | 827 tok |
| hail-hq/hail hail.so Give your agent a real phone number and an email inbox — in minutes, not days. | 32 | Claude Code, GitHub Copilot, Cursor | 5 | 2,385 tok |
| frostyard/snosi A bootable container image build system using mkosi for creating Debian-based bootable con | 32 | Claude Code, Codex, GitHub Copilot, Cursor, Gemini CLI, OpenCode | 12 | 4,249 tok |
| sseshachala/conductai conductai.ai Runtime governance for AI agents. Allow, warn, or block every model and tool call before i | 32 | Claude Code, Codex, GitHub Copilot, Cursor, OpenCode, Windsurf | 11 | 5,722 tok |
| davidbuenov/dbv-specs-ops The blueprint that turns any AI assistant into a disciplined Senior Engineer. | 32 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode, Windsurf | 12 | 2,425 tok |
| doublegate/CyberChef-MCP doublegate.github.io Model Context Protocol server for CyberChef — exposes GCHQ's "Cyber Swiss Army Knife" as A | 32 | Claude Code, Codex, GitHub Copilot, OpenCode | 6 | 15,869 tok |
| dcloudio/uni-app-x-ai-rules | 32 | GitHub Copilot | 1 | 17,451 tok |
| kequach/uniqlo-sales-alerter A Python web server that monitors Uniqlo sales and notifies you when items match your crit | 32 | Claude Code, Codex, GitHub Copilot, OpenCode | 5 | 3,368 tok |
| olafkfreund/nixos_config My private nixos_config | 32 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 70 | 5,255 tok |
| JeremyDev87/codingbuddy Codingbuddy orchestrates 29 specialized AI agents to deliver code quality comparable to a | 31 | Claude Code, Codex, GitHub Copilot, OpenCode | 15 | 2,561 tok |
| chrisreddington/turn-based-game-mcp A turn-based games app built with Next.js and TypeScript that features Tic-Tac-Toe and Roc | 31 | Claude Code, GitHub Copilot | 9 | 11,077 tok |
| wictorwilen/MRSF sidemark.org Markdown Review Sidecar Format (MRSF) v1.0 - Sidemark | 31 | GitHub Copilot | 1 | 1,574 tok |
| dipseth/google_workspace_fastmcp2 FastMCP2 server for Google Drive uploads with Qdrant-powered semantic search | 31 | Claude Code, Codex, GitHub Copilot, Cursor, OpenCode | 5 | 6,045 tok |
| axsaucedo/agent_data_duckdb | 31 | Claude Code, GitHub Copilot | 2 | 1,382 tok |
| WYRE-AI/connectwise-manage-mcp conduit.wyre.ai MCP server for ConnectWise Manage (PSA) — tickets, companies, contacts, projects, and time | 31 | GitHub Copilot | 1 | 857 tok |
| Rekin226/aquascope rekin226-aquascope-explorer.static.hf.space Explore river records and run reproducible water analyses in your browser. Open hydrology | 31 | Claude Code, GitHub Copilot | 2 | 4,054 tok |
| 7tg/django-admin-mcp 7tg.github.io Expose Django admin models to MCP (Model Context Protocol) clients. Add a mixin to your Mo | 31 | Codex, GitHub Copilot, OpenCode | 2 | 2,614 tok |
| jiaxiantao/cos-design jiaxiantao.github.io A library of 91 React visual effects components: activity pages, lucky draws, fireworks, s | 31 | Claude Code, Codex, GitHub Copilot, OpenCode | 4 | 2,355 tok |
| ali-ulu/huqan huqan.com Local-first verification layer for AI agents: evidence, provenance, policy gates, human ap | 31 | Codex, GitHub Copilot, OpenCode | 5 | 3,605 tok |
| labex-labs/labex-cheatsheets labex.io Cheatsheets for Programming Beginners | 31 | GitHub Copilot, Gemini CLI | 2 | 1,788 tok |
| aixwangtw/code-to-video-remotion | 30 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 16 | 5,144 tok |
| halo-dev/cli npmjs.com CLI for Halo, Halo for Agents. | 30 | Codex, GitHub Copilot, OpenCode | 2 | 2,708 tok |
| dhruvanbhalara/skills dhruvanbhalara.github.io Premium documentation site for Flutter Agent Skills. | 30 | Codex, GitHub Copilot, OpenCode | 2 | 1,574 tok |
| zircote/subcog Persistent memory system for AI coding assistants. Captures decisions, learnings, and cont | 30 | Claude Code, GitHub Copilot | 5 | 1,821 tok |
| NotNull92/hera-agent-unity Low-token CLI for AI agents to control a live Unity Editor. | 30 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 6 | 26,384 tok |
| nirholas/boosty Boosty MCP servers for DeFi - Volume generation, trading, and wallet management | 30 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 4 | 670 tok |
| Hack23/European-Parliament-MCP-Server hack23.com European Parliament MCP Server - Political intelligence for AI agents | 30 | Claude Code, Codex, GitHub Copilot | 56 | 1,498 tok |
| Fearvox/multica-ultimate-workbench Public multi-agent workbench skill pack for SDD, review gates, context discipline, VM lane | 30 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 11,867 tok |
| PetePeter/helm | 30 | Claude Code, GitHub Copilot | 2 | 10,210 tok |
| knaisoma/data-olympus Governance-grade, OKF-compatible knowledge-base format with a single-writer MCP server and | 30 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 1,874 tok |
| ar27111994/penpot-mcp skills.sh AI-agent skill for creating, auditing, and maintaining Penpot design systems, prototypes, | 30 | GitHub Copilot | 1 | 964 tok |
| zitadel/nextgen preview.zitadel.com A Zitadel Preview | 30 | Codex, GitHub Copilot, Cursor, OpenCode | 9 | 5,058 tok |
| danmaps/gis-agent-skills | 30 | Claude Code, Codex, GitHub Copilot | 6 | 50 tok |
| bigkevmcd/go-configparser An implementation of the Python ConfigParser in Go | 30 | GitHub Copilot | 1 | 1,673 tok |
| CrowdStrike/fusion-skills crowdstrike.com AI coding assistant skills for building CrowdStrike Falcon Fusion workflows: action discov | 29 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 4 | 3,463 tok |
| luisfurquim/wings WINGS is an open-source, simple golang-based platform for front-end web application develo | 29 | Claude Code, Codex, GitHub Copilot, OpenCode | 9 | 2,431 tok |
| ikcode-dev/copilot-kit A curated collection of GitHub Copilot prompts, instructions, chat modes, and MCP servers | 29 | GitHub Copilot | 5 | 5,537 tok |
| microsoft/Agent365-dotnet | 29 | Claude Code, GitHub Copilot | 19 | 3,637 tok |
| zoxknez/ai-coding-rules | 29 | Claude Code, GitHub Copilot | 9 | 2,909 tok |
| nirholas/lyra-intel lyra-intel.modelcontextprotocol.name Lyra Intel is an intelligence platform designed to analyze repositories of any size - from | 29 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 4 | 807 tok |
| u9401066/pubmed-search-mcp u9401066.github.io MCP SDK v2 server for PubMed and multi-source biomedical research, with resilient search, | 29 | Claude Code, Codex, GitHub Copilot, OpenCode | 29 | 8,943 tok |
| timothywarner-org/ab900 techtrainertim.com Learner repo for Tim Warner's Copilot and Agent Administration Fundamentals live training: | 29 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 10,031 tok |
| luno/luno-mcp MCP Server for the Luno Cryptocurrency API | 29 | Claude Code, GitHub Copilot | 2 | 2,278 tok |
| nirholas/ethereum-wallet-toolkit ethereum-wallet-toolkit.modelcontextprotocol.name Python toolkit for Ethereum wallets: CLI tools + Model Context Protocol (MCP) servers for | 29 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 4 | 791 tok |
| SweetSophia/noosphere noosphere-memory.com A universal memory and knowledge layer for AI agents — structured enough for automation, r | 29 | GitHub Copilot | 1 | 69 tok |
| WYRE-AI/ninjaone-mcp conduit.wyre.ai MCP server for NinjaOne — device monitoring, patching, scripting, and alert management too | 29 | GitHub Copilot | 1 | 857 tok |
| amit-nayar/android-adb-skill AI coding agent skills for Android device automation via ADB — screenshots, UI inspection, | 29 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 560 tok |
| Lzh-xbccz/hermes-finance A multi-market financial analysis framework for AI Agents: MCP + Skills dual entry points, | 29 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 4 | 1,649 tok |