Programming languages: skills, plugins, subagents, slash commands and mcp servers

csharp-scripts dotnet skill Runs C# from a single file with dotnet, no project needed. Useful for testing a language feature or building a small utility. Claude Code CX Codex Cursor +1 3,800installs dotnet-aot-compat dotnet skill Walks the IL analyzer warnings one at a time until a .NET project survives Native AOT and trimming. Useful right after an upgrade to net8.0. Claude Code CX Codex Cursor +1 3,500installs minecraft-plugin-development official github skill Builds and debugs Minecraft server plugins for Paper, Spigot, and Bukkit. Handles commands, listeners, configs, and minigame states. GitHub Copilot 485installs rust-pro Seth Hobson subagent A Claude Code, Codex, and Cursor subagent for modern Rust 1.75+. It handles async Tokio services, complex lifetimes, lock-free concurrency, and systems programming. Claude Code CX Codex Cursor 1,148installs code-reviewer Alireza Rezvani skill Turns a pull request into a scored review: diff complexity, risky patterns, code smells, and a report with a verdict. Useful when the changeset is too big to read cold. Claude Code 1,130installs cpp-pro VoltAgent Community subagent A C++20/23 subagent focused on high-performance systems, template metaprogramming, zero-overhead abstractions, and sanitizer checks. Claude Code 781installs cpp-pro Seth Hobson subagent Writes modern C++ from C++11 to C++23 using RAII, smart pointers, and STL algorithms. Helps with C++ refactoring and template design. Claude Code CX Codex Cursor 781installs c-pro Seth Hobson subagent A subagent for C code with memory ownership, system calls, and POSIX. Use it for systems, embedded, and performance-critical work. Claude Code CX Codex Cursor 650installs java-architect VoltAgent Community subagent Designs enterprise Java 17+ architectures and configures Spring Boot 3.x microservices. Helps migrate services, isolate domain logic, and adopt reactive pipelines. Claude Code 558installs batch-files official github skill Helps GitHub Copilot write, debug, and maintain Windows batch scripts (.bat and .cmd). Ideal for cmd.exe task automation and Task Scheduler jobs. GitHub Copilot 206installs kotlin-specialist VoltAgent Community subagent Subagent for Kotlin 1.9+ development across Android, Ktor, and multiplatform projects. It enforces coroutine patterns, clean functional code, and Detekt analysis. Claude Code 501installs angular-architect VoltAgent Community subagent A Claude subagent for Angular 15+ architecture: state management, RxJS patterns, micro-frontends and performance in large codebases. Claude Code 440installs laravel-specialist VoltAgent Community subagent A Claude subagent for Laravel 10+ and PHP 8.2+ work: Eloquent models, queues, API resources. Useful when a Laravel codebase needs structure, not guesswork. Claude Code 418installs swift-expert VoltAgent Community subagent This subagent helps build Swift apps for iOS, macOS, and server-side Swift. Use it for SwiftUI work, async/await, actor-based state, and memory safety checks. Claude Code 378installs dotnet-mcp-builder official github skill Build MCP servers and basic clients in C#/.NET with ModelContextProtocol 2.x. Use the skill when an agent needs to add MCP support to a .NET project. GitHub Copilot 152installs blockchain-developer VoltAgent Community subagent This subagent helps build smart contracts, DApps, and blockchain protocols with attention to security, gas costs, and Web3 integration. Use it for Solidity and EVM work. Claude Code 375installs dotnet-core-expert VoltAgent Community subagent This subagent helps plan and build .NET applications, from minimal APIs to microservices and cloud deployment. Use it when a project needs architecture or performance guidance. Claude Code 348installs spring-boot-engineer VoltAgent Community subagent This subagent helps plan and build Spring Boot 3+ applications, including microservices and reactive services. Use it when a project involves cloud deployment or enterprise integrations. Claude Code 336installs cli-developer VoltAgent Community subagent Designs command structures and terminal interfaces, with guidance on argument parsing, interactive prompts, and error handling. Use it when building CLI tools. Claude Code 312installs csharp-developer VoltAgent Community subagent This subagent inspects .NET solutions and helps build C# applications, ASP.NET Core APIs, and Entity Framework Core features. Use it when async code or clean architecture is part of the task. Claude Code 276installs rust-engineer VoltAgent Community subagent Guides Rust 2021 development focusing on memory safety, zero-cost abstractions, and Miri validation. Handy for systems programming, embedded devices, and async services. Claude Code 262installs powershell-7-expert VoltAgent Community subagent Builds cross-platform PowerShell 7+ scripts for Azure, Microsoft Graph, and CI/CD pipelines with .NET 6/7 interop. Claude Code 256installs javax-to-jakarta-migration official github skill Migrates Java code from the javax.* namespace to jakarta.*. Use it for an explicit Jakarta EE or Tomcat 10+/11 migration request. GitHub Copilot 96installs mvvm-toolkit-di official github skill Wires CommunityToolkit.Mvvm ViewModels into Microsoft.Extensions.DependencyInjection across WPF, WinUI 3, .NET MAUI, Uno, and Avalonia projects. GitHub Copilot 92installs rhino3d-scripts official github skill Generates and debugs Rhinoceros 3D scripts across Python, VBScript, and C#. Helps automate geometry, layers, and viewport macros in Rhino 8. GitHub Copilot 89installs powershell-ui-architect VoltAgent Community subagent Designs desktop graphical interfaces (WinForms, WPF, Metro) and terminal UIs for PowerShell tools while keeping business logic separate. Claude Code 218installs dotnet-framework-4.8-expert VoltAgent Community subagent Maintains and modernizes legacy enterprise apps on .NET Framework 4.8. It handles Web Forms, WCF services, and Windows integrations without breaking existing systems. Claude Code 187installs powershell-module-architect VoltAgent Community subagent A subagent for designing and refactoring PowerShell modules, profiles, and automation libraries. Use it when code must work across PowerShell 5.1 and 7+. Claude Code 183installs elixir-expert VoltAgent Community subagent Reviews an Elixir project and helps implement changes using OTP, Phoenix, and Ecto. Use it when you need to reason about process architecture, fault handling, or tests. Claude Code 167installs qdrant-clients-sdk official github skill This skill guides Qdrant integration through official SDKs and APIs. Use it when building with Python, TypeScript, Rust, Go, .NET, or Java. GitHub Copilot 61installs slang-shader-engineer official github skill Guides the assistant in writing, reviewing, and optimizing Slang shader code. Helpful when porting pipelines or integrating Slang into C++ rendering engines. GitHub Copilot 43installs roslyn-analyzers official github skill This skill guides Roslyn analyzer, code fix provider, and incremental source generator work, including review, tests, debugging, and NuGet packaging. GitHub Copilot 30installs vcpkg official github skill Guides GitHub Copilot through vcpkg setup, dependency versioning, and cross-compilation in C++ projects. Use it when configuring a manifest or moving from classic mode. GitHub Copilot 26installs pester-migration official github skill Walks a Pester suite through the next major version and gets it passing again. Useful when bumping the module breaks your *.Tests.ps1 files. GitHub Copilot 25installs system-commandline-cli official github skill A skill for building .NET CLI apps with System.CommandLine 2.x.x. It enforces architecture patterns for commands, options, and DI handlers. GitHub Copilot 21installs java-helidon official github skill A GitHub Copilot skill that steers code generation toward Helidon 4 practices in SE and MP. Useful when the agent keeps emitting Helidon 3 APIs. GitHub Copilot 21installs pester-should-migration official github skill Converts classic Pester v5 Should -Be assertions to the Pester v6 Should-Be syntax without spaces. Designed for modernizing PowerShell test suites. GitHub Copilot 19installs build-run-debug official OpenAI skill Build, launch, and debug macOS apps through a shell-first Xcode and Swift workflow when startup or runtime failures need investigation. CX Codex GP ChatGPT 60installs appkit-interop official OpenAI skill Builds narrow bridges between macOS SwiftUI and AppKit. Useful when you need NSWindow access, custom panels, responder chain handling, or menu validation. CX Codex GP ChatGPT 60installs swiftpm-macos official OpenAI skill Builds, runs, and tests SwiftPM macOS packages and executables. Use it when Package.swift is the main entry point and no Xcode project is present. CX Codex GP ChatGPT 58installs