289 Claude Code skills tagged Csharp. Browse all programming language-related skills in the open ClaudSkills registry — free to install, one-click via the desktop app.
Showing top 200 of 289 skills, ranked by quality score.
Expert-level C# development with .NET 8+, ASP.NET Core, LINQ, async/await, and enterprise patterns
engineering
Use when lINQ query and method syntax, deferred execution, and performance optimization. Use when querying collections in C#.
engineering
Use when C# nullable reference types and value types for null safety, nullable annotations, and patterns for handling null values.
engineering
C#/.NET SDK development with async patterns
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Scaffolds a complete .NET solution following Clean Architecture principles with proper layer separation (API, Application, Domain, Infrastructure). Creates project structure, depen
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Expert C# developer specializing in modern .NET development, ASP.NET Core, and cloud-native applications. Masters C# 12 features, Blazor, and cross-platform development with emphas
engineering
Expert .NET Core specialist mastering .NET 8 with modern C# features. Specializes in cross-platform development, minimal APIs, cloud-native applications, and microservices with foc
engineering
Scans .NET code for ~50 performance anti-patterns across async, memory, strings, collections, LINQ, regex, serialization, and I/O with tiered severity classification. Use when anal
engineering
Specialized Native AOT, trimming, and optimization expert for morphir-dotnet. Expert in single-file trimmed executables, AOT compilation, size optimization, and guiding toward AOT-
tools
Azure AI Agents Persistent SDK for .NET. Low-level SDK for creating and managing AI agents with threads, messages, runs, and tools.
engineering
Azure AI Document Intelligence SDK for .NET. Extract text, tables, and structured data from documents using prebuilt and custom models.
engineering
Azure OpenAI SDK for .NET. Client library for Azure OpenAI and OpenAI services. Use for chat completions, embeddings, image generation, audio transcription, and assistants.
engineering
Azure AI Projects SDK for .NET. High-level client for Azure AI Foundry projects including agents, connections, datasets, deployments, evaluations, and indexes.
engineering
Azure AI Voice Live SDK for .NET. Build real-time voice AI applications with bidirectional WebSocket communication.
engineering
Azure Event Grid SDK for .NET. Client library for publishing and consuming events with Azure Event Grid. Use for event-driven architectures, pub/sub messaging, CloudEvents, and Eve
engineering
Azure Event Hubs SDK for .NET. Use for high-throughput event streaming: sending events (EventHubProducerClient, EventHubBufferedProducerClient), receiving events (EventProcessorCli
engineering
Azure Identity SDK for .NET. Authentication library for Azure SDK clients using Microsoft Entra ID. Use for DefaultAzureCredential, managed identity, service principals, and develo
engineering
Azure Maps SDK for .NET. Location-based services including geocoding, routing, rendering, geolocation, and weather. Use for address search, directions, map tiles, IP geolocation, a
engineering
Azure API Center SDK for .NET. Centralized API inventory management with governance, versioning, and discovery.
engineering
Azure Resource Manager SDK for API Management in .NET. Use for MANAGEMENT PLANE operations: creating/managing APIM services, APIs, products, subscriptions, policies, users, groups,
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Azure Application Insights SDK for .NET. Application performance monitoring and observability resource management.
engineering
Azure Resource Manager SDK for Arize AI Observability and Evaluation (.NET). Use when managing Arize AI organizations on Azure via Azure Marketplace, creating/updating/deleting Ari
engineering
Azure Resource Manager SDK for Bot Service in .NET. Management plane operations for creating and managing Azure Bot resources, channels (Teams, DirectLine, Slack), and connection s
engineering
Azure Resource Manager SDK for Fabric in .NET. Use for MANAGEMENT PLANE operations: provisioning, scaling, suspending/resuming Microsoft Fabric capacities, checking name availabili
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Manage MongoDB Atlas Organizations as Azure ARM resources with unified billing through Azure Marketplace.
engineering
Azure Weights & Biases SDK for .NET. ML experiment tracking and model management via Azure Marketplace. Use for creating W&B instances, managing SSO, marketplace integration, and M
engineering
Azure Resource Manager SDK for Cosmos DB in .NET. Use for MANAGEMENT PLANE operations: creating/managing Cosmos DB accounts, databases, containers, throughput settings, and RBAC vi
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Azure Resource Manager SDK for Durable Task Scheduler in .NET. Use for MANAGEMENT PLANE operations: creating/managing Durable Task Schedulers, Task Hubs, and retention policies via
engineering
Azure MySQL Flexible Server SDK for .NET. Database management for MySQL Flexible Server deployments.
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Azure Resource Manager SDK for Microsoft Playwright Testing in .NET. Use for MANAGEMENT PLANE operations: creating/managing Playwright Testing workspaces, checking name availabilit
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Azure PostgreSQL Flexible Server SDK for .NET. Database management for PostgreSQL Flexible Server deployments.
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Azure Resource Manager SDK for Redis in .NET. Use for MANAGEMENT PLANE operations: creating/managing Azure Cache for Redis instances, firewall rules, access keys, patch schedules,
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Azure Resource Manager SDK for Azure SQL in .NET. Use for MANAGEMENT PLANE operations: creating/managing SQL servers, databases, elastic pools, firewall rules, and failover groups
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Azure AI Search SDK for .NET (Azure.Search.Documents). Use for building search applications with full-text, vector, semantic, and hybrid search.
engineering
Azure Key Vault Keys SDK for .NET. Client library for managing cryptographic keys in Azure Key Vault and Managed HSM. Use for key creation, rotation, encryption, decryption, signin
security
Azure Service Bus SDK for .NET. Enterprise messaging with queues, topics, subscriptions, and sessions.
engineering
Comprehensive expertise for Azure Static Web Apps including architecture, configuration, API integration with Azure Functions, authentication, routing, deployment, and CI/CD. Use w
engineering
Use when editing C# backend files (.cs) in src/Backend/, src/Platform/, or src/PlatformExampleApp/. Provides CQRS patterns, repository patterns, validation patterns, entity pattern
engineering
Generate MSBuild binary logs (binlogs) for build diagnostics and analysis. Only activate in MSBuild/.NET build context. USE FOR: adding /bl:{} to any dotnet build, test, pack, publ
engineering
Guidelines for Blazor development including component lifecycle, state management, and performance optimization
general
Adds a complete blog feature to an existing Blazor WebAssembly Static Web App with Azure Functions backend and Azure File Share for markdown storage. Use when implementing blog fun
content
Blazor component architecture, Razor component patterns, Radzen UI library, and Blazor-specific UX patterns. Use when: building Blazor components, structuring Razor component hiera
engineering
Comprehensive Blazor development expertise covering Blazor Server, WebAssembly, and Hybrid apps. Use when building Blazor components, implementing state management, handling routin
engineering
Blazor Server, WASM, Hybrid, Static SSR patterns for .NET 10 — render mode decisions, component architecture, code-behind, state management, EventCallback, cascading values, @key,
engineering
Guidelines for C# development including Blazor, Unity game development, and .NET backend best practices
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CCXT cryptocurrency exchange library for C# and .NET developers. Covers both REST API (standard) and WebSocket API (real-time). Helps install CCXT, connect to exchanges, fetch mark
engineering
Enforces Clean Architecture dependency rules (Domain → Application → Infrastructure → API/Blazor). Blocks violations to maintain architectural integrity.
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Clean Code principles adapted for C#/.NET including naming, variables, functions, SOLID, error handling, and async patterns. Use when: (1) reviewing C# code, (2) refactoring for cl
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Perform janitorial tasks on C#/.NET code including cleanup, modernization, and tech debt remediation.
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Format code using dotnet format, prettier, and other formatting tools. Use when task involves code style fixes, formatting consistency, or preparing code for commit.
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Perform structured code reviews of C# source code covering naming conventions, performance, security, readability, and .NET best practices. Trigger phrases include "review this C#
engineering
Generates comprehensive, workable unit tests for any programming language using a multi-agent pipeline. Use when asked to generate tests, write unit tests, improve test coverage, a
engineering
Choosing the right concurrency abstraction in .NET - from async/await for I/O to Channels for producer/consumer to Akka.NET for stateful entity management. Avoid locks and manual s
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Configure OpenTelemetry distributed tracing, metrics, and logging in ASP.NET Core using the .NET OpenTelemetry SDK. Use when adding observability, setting up OTLP exporters, creati
engineering
Scaffolds eval.yaml test files for agent skills in the dotnet/skills repository. Use when creating skill tests, writing evaluation scenarios, defining assertions and rubrics, or se
engineering
Apply these opinionated C# conventions when writing C#/.NET 8+ code: modern C# 12 (records, primary constructors, pattern matching), ASP.NET Core minimal and controller APIs, Blazo
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Master advanced C# patterns including records, pattern matching, async/await, LINQ, and performance optimization for .NET 10. Use when: (1) implementing complex C# patterns, (2) op
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Modern C# asynchronous programming patterns using async/await, proper CancellationToken usage, and error handling in async code. Use when guidance needed on async/await best practi
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C# code style and naming conventions based on POCU standards. Covers naming rules (mPascalCase for private, bBoolean prefix, EEnum prefix), code organization, C# 9.0 patterns. Use
engineering
Decompile .NET assemblies to inspect types, understand implementations, debug third-party libraries, and view IL code. Use when debugging NuGet dependency behavior, understanding c
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Use when building C# applications with .NET 8+, ASP.NET Core APIs, or Blazor web apps. Builds REST APIs using minimal or controller-based routing, configures database access with E
engineering
.NET 8 and C# 12 specialist with expertise in ASP.NET Core, EF Core, and modern enterprise development. Use when building C# applications, working with .NET, implementing ASP.NET C
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Ensure that C# types are documented with XML comments and follow best practices for documentation.
engineering
Principal .NET 10 Architect providing high-performance, idiomatic C# 14 solutions. Use when user asks about: - .NET design patterns (Singleton, Factory, CQRS, Repository, Options P
engineering
Expert .NET 10 Debugging Strategist using CLI-first diagnosis. Use when user encounters: - Bugs, errors, exceptions in .NET/C# applications - Performance issues (slow, high CPU, me
engineering
Use when working with C# in Godot — conventions, GodotSharp API differences from GDScript, project setup, and interop
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Use HSP's csharp-ls route for C# semantic navigation, diagnostics, references, rename, call hierarchy, formatting, and code actions.
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Generate a complete MCP server project in C# with tools, prompts, and proper configuration
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Get best practices for MSTest 3.x/4.x unit testing, including modern assertion APIs and data-driven tests
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C# and .NET development patterns: LINQ, async/await, dependency injection, records, nullable reference types, ASP.NET Core minimal APIs, EF Core, MediatR. Triggers: C#, .NET, dotne
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Write modern C# code with advanced features like records, pattern matching, and async/await. Optimizes .NET applications, implements enterprise patterns, and ensures comprehensive
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ALWAYS use for ANY C# operation: renaming (files/classes/methods/properties/namespaces), finding references/usages ("where is X used"), finding definitions ("where is X defined"),
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C#/.NET coding rules from ai-toolkit: coding-style, frameworks, patterns, security, testing. Triggers: .cs, .csproj, .sln, ASP.NET, ASP.NET Core, EF Core, LINQ, NUnit, xUnit, dotne
engineering
Run single-file C# programs as scripts (file-based apps) for quick experimentation, prototyping, and concept testing. Use when the user wants to write and execute a small C# progra
engineering
Use when implementing signals in C# — [Signal] delegates, EmitSignal patterns, async signal awaiting, and event-driven architecture
engineering
中文优先：用于C#测试相关任务，帮助识别、设计、实现或验证对应工作流。English keywords: C# and .NET testing patterns with xUnit, FluentAssertions, mocking, integration tests, and test organization best practices.
engineering
Comprehensive C# code validation, static analysis, and best practices verification for .NET applications. Use when validating C# code, checking SOLID principles, reviewing async/aw
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C# and .NET project workflow guidelines. Activate when working with C# files (.cs), .csproj, .NET projects, or C#-specific tooling.
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C# XML documentation with on-demand Haiku→Expert Review→Final workflow. Flexible Korean/English language support. Use when documenting C# APIs, properties, methods, classes, and in
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C# static analysis tool for call graphs, unused code detection, impact analysis, HTML documentation generation, and Graphviz diagram export
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C# static analysis tool for call graphs, unused code detection, impact analysis, HTML documentation generation, and Graphviz diagram export
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Guide .NET Aspire pour l'orchestration d'applications cloud-native, le service discovery, la télémétrie et l'intégration de composants distribués. À utiliser quand l'utilisateur tr
engineering
Développement .NET/C# avec ASP.NET Core, EF Core et patterns modernes. Se déclenche avec ".NET", "C#", "ASP.NET", "EF Core", "Entity Framework", "Minimal API", "Blazor", "LINQ", "N
engineering
Generate production-ready Docker configurations for .NET APIs with multi-stage builds, Alpine optimization, layer caching, and build scripts. Use when containerizing .NET applicati
engineering
Lernen Sie die grundlegenden Konzepte des Erstellens einer Cortana-Funktion im Bot Builder SDK für .NET kennen.
engineering
Use when building .NET 10 or C# 14 applications; when using minimal APIs, modular monolith patterns, or feature folders; when implementing HTTP resilience, Options pattern, Channel
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Use a repo-root `.editorconfig` to configure free .NET analyzer and style rules. Use when a .NET repo needs rule severity, code-style options, section layout, or analyzer ownership
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Make .NET projects compatible with Native AOT and trimming by systematically resolving IL trim/AOT analyzer warnings. USE FOR: making projects AOT-compatible, fixing trimming warni
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Adds OpenAPI standards (Swagger) documentation to .NET ASP.NET Core APIs with Scalar UI or Swagger UI. Configures Swashbuckle, generates OpenAPI specs, and sets up interactive API
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Expert .NET backend architect specializing in C#, ASP.NET Core, Entity Framework, Dapper, and enterprise application patterns.
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Design or review .NET solution architecture across modular monoliths, clean architecture, vertical slices, microservices, DDD, CQRS, and cloud-native boundaries without over-engine
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Use the open-source free `ArchUnitNET` library for architecture rules in .NET tests. Use when a repo needs richer architecture assertions than lightweight fluent rule libraries usu
engineering
Adds .NET Aspire cloud-native orchestration to existing .NET solutions. Analyzes solution structure to identify services (APIs, web apps, workers), creates AppHost and ServiceDefau
engineering
Guide .NET Aspire pour l'orchestration d'applications cloud-native, le service discovery, la télémétrie et l'intégration de composants distribués. À utiliser quand l'utilisateur tr
engineering
Creates production-ready .NET 10 Aspire projects with ASP.NET MVC + Razor + TypeScript frontend, REST API backend, Entity Framework, OpenTelemetry observability, and Polly resilien
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Build, debug, modernize, or review ASP.NET Core applications with correct hosting, middleware, security, configuration, logging, and deployment patterns on current .NET.
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Use the open-source free `Asynkron.Profiler` dotnet tool for CLI-first CPU, allocation, exception, contention, and heap profiling of .NET commands or existing trace artifacts.
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Build, review, or migrate Azure Functions in .NET with correct execution model, isolated worker setup, bindings, DI, and Durable Functions patterns.
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Build ASP.NET Core 8+ backend services with EF Core, auth, background jobs, and production API patterns.
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Master C#/.NET patterns for building production-grade APIs, MCP servers, and enterprise backends with modern best practices (2024/2025).
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Master C#/.NET backend development patterns for building robust APIs, MCP servers, and enterprise applications. Covers async/await, dependency injection, Entity Framework Core, Dap
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Use Biome in .NET repositories that ship Node-based frontend assets and want a fast combined formatter-linter-import organizer for JavaScript, TypeScript, CSS, JSON, GraphQL, or HT
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Build and review Blazor applications across server, WebAssembly, web app, and hybrid scenarios with correct component design, state flow, rendering, and hosting choices.
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Build .NET solution/projects using dotnet CLI. Use when task involves compiling, restoring dependencies, or building artifacts.
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Capture dotnet environment and CI-style build diagnostics with binlog and summary output.
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Guide for Centralized Package Management (CPM) using Directory.Packages.props in .NET projects
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Use Chous in .NET repositories that ship sizeable frontend codebases and want file-structure linting, naming convention enforcement, and folder-layout policy as a CLI gate. Use whe
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Implement CI/CD for .NET applications with GitHub Actions, Azure DevOps, Docker, Kubernetes deployments, automated testing, and release pipelines. Use when setting up continuous in
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Essential .NET CLI commands and patterns for .NET 10 projects with Directory.Build.props and .slnx solutions
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Configure ClickOnce deployment with auto-update, prerequisites, and publish settings for .NET applications
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Use the open-source free `cloc` tool for line-count, language-mix, and diff statistics in .NET repositories. Use when a repo needs C# and solution footprint metrics, branch-to-bran
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Use the free built-in .NET SDK analyzers and analysis levels with gradual Roslyn warning promotion. Use when a .NET repo needs first-party code analysis, `EnableNETAnalyzers`, `Ana
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Review .NET changes for bugs, regressions, architectural drift, missing tests, incorrect async or disposal behavior, and platform-specific pitfalls before you approve or merge them
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Use the open-source CodeQL ecosystem for .NET security analysis. Use when a repo needs CodeQL query packs, CLI-based analysis on open source codebases, or GitHub Action setup with
engineering
You are a coder / agent working on a dotnet codebase using the C# language and / or using dotnet tooling.
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Use free built-in .NET maintainability analyzers and code metrics configuration to find overly complex methods and coupled code. Use when a repo needs cyclomatic complexity checks,
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Apply these opinionated .NET 8 architecture recipes for backend services: clean architecture layering, CQRS with MediatR, minimal APIs, Entity Framework Core, JWT authentication, A
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Use when building .NET 8 applications with minimal APIs, clean architecture, or cloud-native microservices. Invoke for Entity Framework Core, CQRS with MediatR, JWT authentication,
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Use the open-source free `coverlet` toolchain for .NET code coverage. Use when a repo needs line and branch coverage, collector versus MSBuild driver selection, or CI-safe coverage
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Comprehensive internationalization (i18n) and localization (l10n) for .NET and C++ applications. Generate resource files, manage translations, and implement best practices for mult
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Guide for building .NET APIs using CQRS pattern with MediatR, FluentValidation, and Carter modules
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Build .NET 8+ applications with C#. Covers ASP.NET Core, Minimal APIs, Entity Framework Core, dependency injection, and testing. Use for .NET development, C# programming, and Azure
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Développement .NET/C# avec ASP.NET Core, EF Core et patterns modernes. Se déclenche avec ".NET", "C#", "ASP.NET", "EF Core", "Entity Framework", "Minimal API", "Blazor", "LINQ", "N
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Build .NET 8+ applications with C#. Covers ASP.NET Core, Minimal APIs, Entity Framework Core, dependency injection, and testing. Use for .NET development, C# programming, and Azure
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Use the open-source free `CSharpier` formatter for C# and XML. Use when a .NET repo intentionally wants one opinionated formatter instead of a highly configurable `dotnet format`-d
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Review the C#/.NET code for design pattern implementation and suggest improvements.
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Comprehensive .NET development guidelines covering DDD, SOLID principles, ASP.NET Core REST APIs, and C# best practices. Use when working with: (1) C# code files (.cs), (2) .NET pr
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Master Entity Framework Core migrations with code-first approach, migration strategies, data seeding, rollback procedures, and production deployment patterns. Use when managing dat
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Entity Framework Core best practices for Clean Architecture projects. Covers DbContext, entity configurations, repository pattern, migrations, and PostgreSQL-specific features.
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Design, tune, or review EF Core data access with proper modeling, migrations, query translation, performance, and lifetime management for modern .NET applications.
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Maintain or migrate EF6-based applications with realistic guidance on what to keep, what to modernize, and when EF Core is or is not the right next step. Use when working in an EF6
engineering
Use ESLint in .NET repositories that ship JavaScript, TypeScript, React, or other Node-based frontend assets. Use when a repo needs a configurable CLI lint gate for frontend correc
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Expert .NET 10 Full-Stack Developer skill. Use this when implementing new features, vertical slices, or modifying existing logic in the MoreSpeakers application. It covers Domain,
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Generate production-ready .NET Core APIs with Entity Framework, repository pattern, CQRS, and enterprise standards
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Use the free first-party `dotnet format` CLI for .NET formatting and analyzer fixes. Use when a .NET repo needs formatting commands, `--verify-no-changes` CI checks, or `.editorcon
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Define canonical dotnet format and analyzer verification commands, and provide scripts that generate a format/analyzer report. Use when checking formatting or Roslyn analyzers with
engineering
Expert .NET Framework 4.8 specialist mastering legacy enterprise applications. Specializes in Windows-based development, Web Forms, WCF services, and Windows services with focus on
engineering
Build or review gRPC services and clients in .NET with correct contract-first design, streaming behavior, transport assumptions, and backend service integration.
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Use HTMLHint in .NET repositories that ship static HTML output or standalone frontend templates. Use when a repo needs a focused CLI lint gate for DOM structure, invalid attributes
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.NET SDK and runtime installation across Windows, macOS, and Linux. Handles version detection, platform-specific installers (WinGet, Homebrew, apt, dnf), SDK vs runtime selection,
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Maintain classic ASP.NET applications on .NET Framework, including Web Forms, older MVC, and legacy hosting patterns, while planning realistic modernization boundaries.
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Expert knowledge of the libvlc C API (3.x and 4.x), the multimedia framework behind VLC media player. Use when helping with LibVLC or LibVLCSharp for media playback, streaming, or
engineering
こんなときに使う: dotnet-tools.json によるローカル .NET ツールの管理。開発環境と CI/CD パイプライン全体で バージョン固定された一貫したツール環境を構築。リポジトリ単位の CLI ツール管理時に使用。
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Use ManagedCode.Communication when a .NET application needs explicit result objects, structured errors, and predictable service or API boundaries instead of exception-driven contro
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Use ManagedCode.MarkItDown when a .NET application needs deterministic document-to-Markdown conversion for ingestion, indexing, summarization, or content-processing workflows.
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Use ManagedCode.MimeTypes when a .NET application needs consistent MIME type detection, extension mapping, and content-type decisions for uploads, downloads, or HTTP responses.
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Integrate ManagedCode.Orleans.Graph into an Orleans-based .NET application for graph-oriented relationships, edge management, and traversal logic on top of Orleans grains. Use when
engineering
Use ManagedCode.Orleans.SignalR when a distributed .NET application needs Orleans-based coordination of SignalR real-time messaging, hub delivery, and grain-driven push flows.
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Use ManagedCode.Storage when a .NET application needs a provider-agnostic storage abstraction with explicit configuration, container selection, upload and download flows, and backe
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Build, review, or migrate .NET MAUI applications across Android, iOS, macOS, and Windows with correct cross-platform UI, platform integration, and native packaging assumptions.
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Diagnoses and fixes .NET MAUI development environment issues. Validates .NET SDK, workloads, Java JDK, Android SDK, Xcode, and Windows SDK. All version requirements discovered dyna
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Adopt MCAF governance in a .NET repository with the right AGENTS.md layout, repo-native docs, skill installation, verification rules, and non-trivial task workflow. Use when bootst
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Apply MCAF agile-delivery guidance for backlog quality, roles, ceremonies, and engineering feedback. Use when defining how the team plans, tracks work, and turns feedback into dura
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Apply MCAF developer-experience guidance for onboarding, F5 contract, cross-platform tasks, local inner loop, and reproducible setup. Use when the repo is hard to run, debug, test,
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Apply MCAF documentation guidance for docs structure, navigation, source-of-truth placement, and writing quality. Use when a repo’s docs are missing, stale, duplicated, or hard to
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Apply MCAF feature-spec guidance to create or update a feature spec under `docs/Features/` with business rules, user flows, system behaviour, verification, and Definition of Done.
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Apply MCAF human-review-planning guidance for a large AI-generated code drop by reading the target area, tracing the natural user and system flows, identifying the riskiest boundar
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Apply MCAF ML/AI delivery guidance for data exploration, feasibility, experimentation, testing, responsible AI, and operating ML systems. Use when the repo includes model training,
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Apply MCAF non-functional-requirements guidance to capture or refine explicit quality attributes such as accessibility, reliability, scalability, maintainability, performance, and
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Apply MCAF source-control guidance for repository structure, branch naming, merge strategy, commit hygiene, and secrets-in-git discipline. Use when bootstrapping a repo, tightening
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Apply MCAF UI/UX guidance for design systems, accessibility, front-end technology selection, and design-to-development collaboration. Use when bootstrapping a UI project, choosing
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Build or consume Model Context Protocol (MCP) servers and clients in .NET using the official MCP C# SDK, including stdio, Streamable HTTP, tools, prompts, resources, and capability
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Use Metalint in .NET repositories that ship Node-based frontend assets and want one CLI entrypoint over several underlying linters. Use when a repo wants to orchestrate ESLint, Sty
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Use the open-source free `Meziantou.Analyzer` package for design, usage, security, performance, and style rules in .NET. Use when a repo wants broader analyzer coverage with a sing
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Build .NET AI agents and multi-agent workflows with Microsoft Agent Framework using the right agent type, threads, tools, workflows, hosting protocols, and enterprise guardrails.
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Use the Microsoft.Extensions stack correctly across Generic Host, dependency injection, configuration, logging, options, HttpClientFactory, and other shared infrastructure patterns
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Build provider-agnostic .NET AI integrations with `Microsoft.Extensions.AI`, `IChatClient`, embeddings, middleware, structured output, vector search, and evaluation.
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Create production-ready ASP.NET Core Minimal API projects with async patterns, dependency injection, and comprehensive error handling. Use when building new .NET API applications o
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Guide for building ASP.NET Core Minimal APIs with OpenAPI/Swagger integration in .NET 10
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Work on C# and .NET-adjacent mixed-reality solutions around HoloLens, MRTK, OpenXR, Azure services, and integration boundaries where .NET participates in the stack.
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Use ML.NET to train, evaluate, or integrate machine-learning models into .NET applications with realistic data preparation, inference, and deployment expectations.
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Write modern, version-aware C# for .NET repositories. Use when choosing language features across C# versions, especially C# 13 and C# 14, while staying compatible with the repo's t
engineering
Write, run, or repair .NET tests that use MSTest. Use when a repo uses `MSTest.Sdk`, `MSTest`, `[TestClass]`, `[TestMethod]`, `DataRow`, or Microsoft.Testing.Platform-based MSTest
engineering
Implement the Model-View-ViewModel pattern in .NET applications with proper separation of concerns, data binding, commands, and testable ViewModels using MVVM Toolkit.
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Use the open-source free `NetArchTest.Rules` library for architecture rules in .NET unit tests. Use when a repo wants lightweight, fluent architecture assertions for namespaces, de
engineering
Write, run, or repair .NET tests that use NUnit. Use when a repo uses `NUnit`, `[Test]`, `[TestCase]`, `[TestFixture]`, or NUnit3TestAdapter for VSTest or Microsoft.Testing.Platfor
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Build or review distributed .NET applications with Orleans grains, silos, persistence, streaming, reminders, placement, transactions, serialization, event sourcing, testing, and cl
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中文优先：用于dotnet模式相关任务，帮助识别、设计、实现或验证对应工作流。English keywords: Idiomatic C# and .NET patterns, conventions, dependency injection, async/await, and best practices for building robust, mai
engineering
Correctly call native (C/C++) libraries from .NET using P/Invoke and LibraryImport. Covers function signatures, string marshalling, memory lifetime, SafeHandle, and cross-platform
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Use the free official .NET diagnostics CLI tools for profiling and runtime investigation in .NET repositories. Use when a repo needs CPU tracing, live counters, GC and allocation i
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Create or reorganize .NET solutions with clean project boundaries, repeatable SDK settings, and a maintainable baseline for libraries, apps, tests, CI, and local development.
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Set up or refine open-source .NET code-quality gates for CI: formatting, `.editorconfig`, SDK analyzers, third-party analyzers, coverage, mutation testing, architecture tests, and
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Use the open-source free `QuickDup` clone detector for .NET repositories. Use when a repo needs duplicate C# code discovery, structural clone detection, DRY refactoring candidates,
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Discover the primary .sln, list projects, and emit a solution map with target frameworks and test flags.
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Use the open-source free `ReportGenerator` tool for turning .NET coverage outputs into HTML, Markdown, Cobertura, badges, and merged reports. Use when raw coverage files are not re
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Use the free official JetBrains ReSharper Command Line Tools for .NET repositories. Use when a repo wants powerful `jb inspectcode` inspections, `jb cleanupcode` cleanup profiles,
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Use the open-source free `Roslynator` analyzer packages and optional CLI for .NET. Use when a repo wants broad C# static analysis, auto-fix flows, dead-code detection, optional CLI
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Shows how to process data with .NET one-liners and small scripts, especially for tasks often handled by quick Python scripts.
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Build AI-enabled .NET applications with Semantic Kernel using services, plugins, prompts, and function-calling patterns that remain testable and maintainable.
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Use Sep for high-performance separated-value parsing and writing in .NET, including delimiter inference, explicit parser/writer options, and low-allocation row/column workflows.
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Implement or review SignalR hubs, streaming, reconnection, transport, and real-time delivery patterns in ASP.NET Core applications.
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Use SonarJS-derived rules in .NET repositories that ship JavaScript or TypeScript frontends and need deeper bug-risk, code-smell, or cognitive-complexity checks than a minimal ESLi
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Use the open-source free `Stryker.NET` mutation testing tool for .NET. Use when a repo needs to measure whether tests actually catch faults, especially in critical libraries or dom
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Use the open-source free `StyleCop.Analyzers` package for naming, layout, documentation, and style rules in .NET projects. Use when a repo wants stricter style conventions than the
engineering
Use Stylelint in .NET repositories that ship CSS, SCSS, or other stylesheet assets alongside web frontends. Use when a repo needs a dedicated CLI lint gate for selectors, propertie
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Reference data for .NET test framework detection patterns, assertion APIs, skip annotations, setup/teardown methods, and common test smell indicators across MSTest, xUnit, NUnit, a
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Run dotnet test, capture failed test cases, and generate a rerun filter plus a markdown failure summary. Use when test runs fail and you need a focused rerun command or a compact f
engineering
.NET 測試基礎技能總覽與引導中心。當使用者詢問「如何寫 .NET 測試」、「.NET 測試入門」、「需要哪些測試工具」、「測試最佳實踐」、「從零開始學測試」等一般性測試需求時觸發。會根據具體需求推薦適合的子技能組合，涵蓋測試基礎、測試資料、斷言、模擬、特殊場景等 19 個基礎技能。 Keywords: dotnet testing, .NET 測試, 測
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.NET 進階測試技能總覽與引導中心。當使用者詢問「整合測試」、「API 測試」、「容器化測試」、「微服務測試」、「測試框架遷移」、「Testcontainers」、「Aspire 測試」等進階測試需求時觸發。會根據具體需求推薦適合的子技能組合，涵蓋整合測試、Testcontainers、Aspire 測試、框架升級等 8 個進階技能。 Keywords:
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.NET Aspire Testing 整合測試框架完整指南。涵蓋 AppHost 專案設定、DistributedApplicationTestingBuilder、容器生命週期管理。包含從 Testcontainers 遷移、多服務編排、Respawn 配置與時間可測試性設計。 Keywords: aspire testing, .NET Aspire,
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