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Ports background jobs from ASP.NET Framework to ASP.NET Core and the .NET Generic Host, and stops a job running twice while the legacy and new hosts are both live. Use when an app uses WebBackgrounder (JobManager, IJob, IJobCoordinator,…
原文语言：英语
Migrates .NET projects from Newtonsoft.Json to System.Text.Json, updating package references, code files, and handling API differences. Use when asked to "migrate Newtonsoft", "switch to System.Text.Json", "replace Newtonsoft.Json", or "upgrade JSON library".…
原文语言：英语
Migrates Global.asax application lifecycle events to ASP.NET Core middleware, startup configuration, and Program.cs. Use when upgrading ASP.NET Framework apps containing Global.asax or Global.asax.cs files. Triggers for "migrate Global.asax", "convert…
原文语言：英语
Determines which URLs a partly migrated app is still served by the old .NET Framework host and which the new ASP.NET Core host already answers, by reading both projects and the YARP route table. Use when planning the next wave of a side-by-side migration,…
原文语言：英语
Orchestrates migration of ASP.NET Framework (System.Web) MVC and WebAPI projects to ASP.NET Core. Covers only old .NET Framework web projects — not applicable to ASP.NET Core or modern .NET web projects (those are already on the target stack). Defines the…
原文语言：英语
Migrates ASP.NET Web API content negotiation and formatters to ASP.NET Core equivalents. Converts MediaTypeFormatter subclasses to InputFormatter/OutputFormatter, replaces IContentNegotiator with OutputFormatterSelector, and updates formatter registration…
原文语言：英语
Migrates ASP.NET Framework controllers and action results to ASP.NET Core equivalents, covering both MVC (Controller) and WebAPI (ApiController) patterns. Use when upgrading controllers that return HttpResponseMessage, IHttpActionResult, use ApiController…
原文语言：英语
Upgrade .NET projects to newer .NET versions, including guidance on current release status, support lifecycle (LTS/STS), and recommended upgrade targets.
原文语言：英语
Build tool selection and orchestration for .NET projects during modernization upgrades. Use this skill whenever the agent modifies code files, project files, packages, or configuration and needs to validate the build — which is virtually every upgrade task.…
原文语言：英语
Migrate one or more .NET projects to run on ARM64 (Apple Silicon, Windows on ARM, Linux/Alpine arm64, cloud arm64 like AWS Graviton / Azure Ampere). Use when the user wants to add arm64 support, target ARM64, build/publish for an arm64 runtime identifier…
原文语言：英语
Upgrade one or more NuGet packages from their current version to a target version across a project, several projects, a folder, a solution, or the whole repository. Use when the user wants to bump, update, or upgrade a specific NuGet package (or packages) to…
原文语言：英语
Migrate a JavaScript or TypeScript project from one framework to another while preserving behavior, integrations, build workflows, and validation. Covers application-framework migrations (for example Gatsby to Astro, Create React App to Vite) and…
原文语言：英语
Upgrade the typescript npm package (the TypeScript compiler) to a newer version through incremental major-version migrations. Use this when asked to upgrade, update, or migrate typescript itself — especially to TypeScript 7. Do NOT use this for upgrading…
原文语言：英语
Upgrade a JavaScript or TypeScript project's npm dependencies to their latest or explicitly requested exact versions and resolve breaking changes. Use this when asked to upgrade, update, or modernize npm packages in any JavaScript or TypeScript project —…
原文语言：英语
Validate a JavaScript or TypeScript project by authoring and replaying an eval plan that can build or type-check, run tests, start the project, probe endpoints, and exercise browser flows. Use this directly or when another Modernizer skill delegates its…
原文语言：英语
Scaffolds a new ASP.NET Core project with YARP reverse proxy alongside an existing .NET Framework MVC or WebAPI project for incremental side-by-side migration. Use when a migration task requires creating a new Core project that proxies to the old Framework…
原文语言：英语
Migrates the obsolete Microsoft.Data.Edm (OData v1–v3 EDM types) to Microsoft.OData.Edm for OData v4. Use ONLY when Microsoft.Data.Edm has been flagged as obsolete or deprecated and must be replaced — not for version-bump scenarios where Microsoft.Data.Edm is…
原文语言：英语
Migrates the obsolete Microsoft.Data.OData (OData v1–v3) to Microsoft.OData.Core for OData v4 serialization. Use ONLY when Microsoft.Data.OData has been flagged as obsolete or deprecated and must be replaced — not for version-bump scenarios where…
原文语言：英语
Migrates the obsolete Microsoft.Data.Services.Client (WCF Data Services) to Microsoft.OData.Client for OData v4 client access. Use ONLY when Microsoft.Data.Services.Client has been flagged as obsolete or deprecated and must be replaced — not for version-bump…
原文语言：英语
Migrates the obsolete System.Spatial (OData v1–v3 spatial types) to Microsoft.Spatial for OData v4. Use ONLY when System.Spatial has been flagged as obsolete or deprecated and must be replaced — not for version-bump scenarios where System.Spatial is still…
原文语言：英语
Gates ASP.NET Framework to Core migrations on externally-consumed wire contracts before migrating Web API OData to Microsoft.AspNetCore.OData. Use when replacing legacy OData or migrating Atom feeds, custom ODataEntityTypeSerializer implementations, or…
原文语言：英语
Detect Windows PowerShell 5.1 → 7.x compatibility blockers across a tree of .ps1/.psm1/.psd1 files. Two parts: generate and validate a PSScriptAnalyzer compatibility profile for the target host (the primary detector, covering removed…
原文语言：英语
Migrates ASP.NET MVC and Web API authentication and authorization to ASP.NET Core, covering Forms Authentication, Membership providers, Windows Authentication, token-based auth, authorization rules, and anti-forgery tokens. Use when upgrading projects that…
原文语言：英语
Migrates ASP.NET MVC global filters and custom AuthorizeAttribute subclasses to ASP.NET Core middleware, authorization policies, and filters. Use for GlobalFilterCollection, FilterConfig, HandleErrorAttribute, IActionFilter/IExceptionFilter conversion, or…
原文语言：英语
Migrates ASP.NET MVC Razor views to ASP.NET Core by converting HtmlHelpers to TagHelpers, child actions to ViewComponents, porting custom view-location precedence, and updating layout infrastructure. Use when upgrading MVC apps that use Html.ActionLink,…
原文语言：英语
Converts ASP.NET MVC RouteCollection-based routing to ASP.NET Core endpoint routing with MapControllerRoute in Program.cs. Use when migrating RouteConfig.cs, RouteTable.Routes, routes.MapRoute, routes.MapMvcAttributeRoutes, or RouteCollection to ASP.NET Core.…
原文语言：英语
Migrates ASP.NET Framework validation to ASP.NET Core including data annotations, custom ValidationAttribute classes, ModelState handling, client-side unobtrusive validation, and FluentValidation integration. Use when upgrading projects that use…
原文语言：英语
Shares authentication cookies between Katana/OWIN applications on ASP.NET Framework and ASP.NET Core applications during side-by-side migrations. Use when both hosts must accept the same cookie, when AspNetTicketDataFormat, DataProtectorShim, or…
原文语言：英语
Migrates .NET projects from Newtonsoft.Json to System.Text.Json. Use when user wants to replace Newtonsoft.Json, switch to System.Text.Json, migrate JSON library, or modernize JSON serialization.
原文语言：英语
Migrates deprecated Azure SDK for .NET packages to supported Track 2 replacements across service families and both planes, using the official catalog and .NET design guidelines while preserving behavior. Use when replacing WindowsAzure.Storage,…
原文语言：英语
Migrates an endpoint that exchanges an external identity provider's workload token for a short-lived application credential — trusted publishing, workload identity federation, federated credentials, OIDC credential exchange. Use when the application accepts a…
原文语言：英语
Migrates a custom Katana/OWIN authentication handler to an ASP.NET Core authentication scheme. Use when an application defines its own scheme by deriving from the OWIN AuthenticationHandler base class in Microsoft.Owin.Security.Infrastructure — usually with…
原文语言：英语
Migrates OWIN OAuth bearer authentication and OWIN-hosted custom Entra ID (Azure AD) token validation to ASP.NET Core AddJwtBearer. Covers Microsoft.Owin.Security.OAuth, JsonWebTokenHandler, TokenValidationParameters, ConfigurationManager and…
原文语言：英语
Migrates legacy OWIN OpenID Connect authentication (Microsoft.Owin.Security.OpenIdConnect) to ASP.NET Core OpenID Connect (Microsoft.AspNetCore.Authentication.OpenIdConnect). Use ONLY when Microsoft.Owin.Security.OpenIdConnect has been flagged as obsolete or…
原文语言：英语
Migrates the legacy System.Management.Automation (PowerShell SDK) references from obsolete .NET Framework (Windows PowerShell 5.1) to modern .NET (PowerShell 7+). Replaces Windows PowerShell Reference Assemblies or GAC references with the cross-platform…
原文语言：英语
Handle Windows PowerShell-only modules (ActiveDirectory, ServerManager, Hyper-V, FailoverClusters, BitLocker, NetSecurity, Dism, Storage, ScheduledTasks, WebAdministration) that are not natively available in PowerShell 7.x, using Import-Module…
原文语言：英语
Handle PowerShell snap-ins (Add-PSSnapin / Get-PSSnapin / Remove-PSSnapin) that do not exist in PowerShell 7.x. Provides the decision tree between module replacement, implicit remoting into a Windows PowerShell endpoint, and the Windows PowerShell…
原文语言：英语
Migrate scripts that load the Exchange management snap-in (Microsoft.Exchange.Management.PowerShell.SnapIn / .E2010) off Windows PowerShell 5.1 to PowerShell 7.x, using implicit remoting (New-PSSession -ConfigurationName Microsoft.Exchange) for on-prem…
原文语言：英语
Migrate removed WMI cmdlets and type accelerators to CIM in PowerShell 7.x: Get-WmiObject → Get-CimInstance, Invoke-WmiMethod → Invoke-CimMethod, Remove-WmiObject → Remove-CimInstance, Register-WmiEvent → Register-CimIndicationEvent, and…
原文语言：英语
Apply low-risk, deterministic PowerShell 5.1 → 7.x fixes across scripts: '-Encoding Byte' → '-AsByteStream', hardcoded 'powershell.exe' → 'pwsh', removing 'New-WebServiceProxy', bumping '#Requires -Version 5' / dropping '-PSEdition Desktop', pinning explicit…
原文语言：英语
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