32,564 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 agents8,576Claude Code6,909Git and workflow3,638Data and AI3,577Backend and APIs3,561Languages3,499Planning3,322Code review2,907Testing2,704DevOps and cloud2,498Writing and docs2,488Memory and context2,373Research2,320Frontend2,317Security2,182Project management1,989
All Claude Code32,564 Codex24,947 OpenCode23,868 GitHub Copilot3,726 Gemini CLI2,040 Cursor1,770 Windsurf203 Kiro117
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| AppSecHQ/skill-scanner-test skillscan.io Skill Scanner - An automated security scanning pipeline for AI agent SKILL.md and Agent pl | 6 | Claude Code | 1 | 902 tok |
| fr0ster/mcp-abap-adt-clients ADT clients for SAP ABAP systems - Read-only, CRUD, and Management operations | 6 | Claude Code | 1 | 7,144 tok |
| Grinv/tmdb-mcp npmjs.com MCP server for The Movie Database (TMDB) with IMDb/Rotten Tomatoes/Metacritic ratings via | 6 | Claude Code, Codex, OpenCode | 10 | 2,664 tok |
| assaf/expense expense.labnotes.org Forward a receipt to your inbox and it's filed automatically. | 6 | Claude Code, Codex, OpenCode | 11 | 8,298 tok |
| claytono/go-unifi-mcp A Model Context Protocol (MCP) server for UniFi Network Controller, written in Go. | 6 | Claude Code, Codex, OpenCode | 2 | 1,073 tok |
| husk-security/husk | 6 | Claude Code, Codex, OpenCode | 3 | 5,589 tok |
| sebastienrousseau/rlg doc.rustlogs.com Near-lock-free structured logging for Rust: a 65,536-slot ring buffer, formatting deferred | 6 | Claude Code, Codex, OpenCode | 2 | 1,550 tok |
| paulieb89/bailii-mcp BAILII case law MCP server — search UK court judgments, retrieve full text with section ex | 6 | Claude Code, Codex, OpenCode | 2 | 849 tok |
| alexeyshishin/as-skill Multi-domain collection of rules, skills, and agents for Claude Code: dev-loop harness, Gi | 6 | Claude Code | 1 | 4,786 tok |
| johanthoren/jeff A model-native quality control plane for agentic software work. Preserved at 6.7.0; develo | 6 | Claude Code, Codex, OpenCode | 1 | 1,875 tok |
| memodb-io/cueclaw Orchestrate agent workflows with natural language. Claude Agent SDK → execution plans → co | 6 | Claude Code | 1 | 1,704 tok |
| tosin2013/helmdeck helmdeck.dev A self-hosted, containerized platform for AI agents, exposed as Capability Packs — schema- | 6 | Claude Code | 1 | 363 tok |
| zlatkoc/youtube-summarize MCP server that fetches YouTube video transcripts and optionally summarizes them. | 6 | Claude Code | 1 | 922 tok |
| alexcassol/claude-vb6-skills Claude Code skills for keeping Visual Basic 6 codebases alive — conventions, CSEH error ha | 6 | Claude Code | 1 | 1,796 tok |
| tuliosousapro/SaaS-blueprint tuliosousapro.github.io BRAINIAC - SaaS Blueprint, NOT an APP. It's a comprehensive playbook and operating system | 6 | Claude Code, Codex, OpenCode | 1 | 1,777 tok |
| eduardozf/wire-lang wirelang.net | 6 | Claude Code, Codex, OpenCode | 2 | 553 tok |
| kinhluan/skills 🚀 Professional Multi-Agent Skills | 6 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 669 tok |
| rundesk-ai/rundesk-cli Persistent proactive self-improving AI teammates with memory, skills, and schedules. | 6 | Claude Code, Codex, OpenCode | 2 | 7,400 tok |
| CCDawn/codex-skills skills.sh Chinese-first Codex skill pack for intent alignment, dynamic routing, lightweight developm | 6 | Claude Code, Codex, OpenCode | 2 | 984 tok |
| tjcages/skills Methodology-first Agent Skills monorepo (Linear, constitution, accept-gated AI, and more) | 6 | Claude Code, Codex, OpenCode | 2 | 767 tok |
| zinxj/uikit-expert-skill uikit-expert-skill.vercel.app Provide accurate, efficient, and modern UIKit Swift code using an AI agent skill focused o | 6 | Claude Code, Codex, OpenCode | 2 | 1,387 tok |
| CSalcedoDataBI/powerbi-pbip-tools csalcedodatabi.com 🛠️ Automation tools for Power BI projects in PBIP format. Includes SVG icon recoloring, b | 6 | Claude Code | 1 | 361 tok |
| ldilov/harness-forge AI coding agent runtime that makes LLMs understand your codebase with repository-aware con | 6 | Claude Code, Codex, OpenCode | 3 | 4,585 tok |
| zenml-io/kitaru-skills zenml.io Agent skills for designing and building durable AI agent workflows with Kitaru | 6 | Claude Code, Codex, OpenCode | 2 | 2,817 tok |
| badchars/wifi-security-mcp-server npmjs.com Full-spectrum wireless security MCP server — WiFi, Bluetooth, RF/SDR, NFC/RFID, Cellular/5 | 6 | Claude Code | 1 | 441 tok |
| CHANGGELY/claude_codex_gemini_mem Cross-window/cross-session AI memory system (Claude Code / Gemini / Codex) | 6 | Claude Code | 4 | 830 tok |
| metago-ai/metagolifeform metago.life MetaGO Agent Harness (agent runtime control suite) — 100 skills · 112 MCP tools (55+57) / | 6 | Claude Code, Codex, OpenCode | 1 | 37,859 tok |
| ambiental-media/jor-mcp jormcp.ambiental.media MCP server for newsrooms, developed by Ambiental Media. / Servidor MCP para redações, de | 6 | Claude Code, Codex, GitHub Copilot, OpenCode | 9 | 2,600 tok |
| sandraschi/jellyfin-mcp Jellyfin library automation via FastMCP — self-hosted media agent bridge. For Cursor / Cla | 6 | Claude Code, Codex, GitHub Copilot, Cursor, OpenCode, Windsurf | 5 | 737 tok |
| TeamManagementPlugin/claude-plugin team.management Your AI on rails, on your terms — an open-source Claude Code plugin that enforces every pr | 6 | Claude Code | 1 | 1,766 tok |
| techgangboss/agentstore agentstore.tools Open-source marketplace for Claude Code plugins. Publish in 2 HTTP requests, earn 80% in U | 6 | Claude Code | 1 | 1,278 tok |
| yihefeikong-rgb/ai-plc-integration-public Local AI automation workbench for Siemens PLC and industrial-robot R&D: MCP, TIA Portal V2 | 6 | Claude Code | 1 | 1,998 tok |
| blendsdk/fluentui-mcp Agent Skill that teaches AI coding assistants Microsoft Fluent UI React v9 with component, | 6 | Claude Code, Codex, OpenCode | 2 | 1,126 tok |
| lidless-labs/immichctrl lidless.dev Your photo library outgrew the click-grid. immichctrl gives shells, cron, and agents one t | 6 | Claude Code, Codex, OpenCode | 2 | 1,600 tok |
| rutvij26/chess-context rutvij26.github.io Semantic chess intelligence MCP for Claude — position analysis, game review, player scouti | 6 | Claude Code | 1 | 991 tok |
| Reederey87/grok-build-codex-plugin Codex CLI plugin: delegate reviews and bounded coding tasks to the local Grok Build CLI vi | 6 | Claude Code, Codex, OpenCode | 2 | 733 tok |
| ByAxe/keynote-mcp A Model Context Protocol (MCP) server that enables AI assistants to control Keynote presen | 6 | Claude Code | 1 | 1,312 tok |
| contextfs/contextfs contextfs.ai Universal AI Memory Layer - Cross-client, cross-repo context management with RAG. Works wi | 6 | Claude Code | 1 | 4,786 tok |
| blake-simpson/belmont An agent agnostic, project agnostic, AI toolkit for running structured coding sessions wit | 6 | Claude Code, Codex, OpenCode | 2 | 12,735 tok |
| azuma520/cinematic-ui akseolabs.com A reasoning-first cinematic web design skill. Makes AI think like a film director — resear | 6 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 4 | 1,879 tok |
| polymind-inc/agent-framework-js npmjs.com A TypeScript implementation of the Microsoft Agent Framework programming model, with seman | 6 | Claude Code | 1 | 775 tok |
| CN-big-cabbage/github-skill-distiller Distill GitHub projects into ready-to-publish AI skills in 5 minutes. Supports Claude Code | 6 | Claude Code | 1 | — |
| openplanr/OpenPlanr openplanr.dev The open harness around your coding agent. Plans live in your repo as files, your agent bu | 6 | Claude Code, Codex, OpenCode | 2 | 451 tok |
| moasq/ios-dev-agent Universal iOS development agent - skills, rules, MCP servers for Claude Code, Codex, Curso | 6 | Claude Code, Codex, Gemini CLI, OpenCode | 3 | 725 tok |
| Parth308/auditx auditx-cli.vercel.app | 6 | Claude Code, Codex, GitHub Copilot, Cursor, OpenCode | 4 | 415 tok |
| open-horizon-labs/repo-native-alignment Code is a graph serialized as text. Agents fail when they reason over the serialization in | 6 | Claude Code, Codex, OpenCode | 35 | 3,895 tok |
| ccevans/bobbycode npmjs.com A full SDLC workflow for a solo developer — one person, a whole team of Claude Code agents | 6 | Claude Code | 5 | 3,747 tok |
| bengous/claude-code-plugins Opinionated plugins and workflow extensions for Claude Code. | 6 | Claude Code, Codex, OpenCode | 14 | 1,796 tok |
| Fzhiyu1/chipforge-plugin AI-powered FPGA development plugin for Claude Code with Verilog simulation and knowledge g | 6 | Claude Code | 1 | 154 tok |
| windyroad/agent-plugins windyroad.github.io Claude Code plugins for architecture governance, risk management, TDD, and delivery qualit | 6 | Claude Code, Codex, OpenCode | 3 | 2,359 tok |