.NET · Legacy modernization

Migrate a .NET 8 project to .NET 9 and resolve all breaking changes.

dotnet/skills

Catalog of MSBuild anti-patterns with detection rules and fix recipes.

runceel/ReactiveProperty

Migrate a .NET 9 project or solution to .NET 10 and resolve all breaking changes.

dotnet/skills

Guide for organizing MSBuild infrastructure with Directory.Build.props, Directory.Build.targets, Directory.Packages.props, and Directory.Build.rsp.

microsoft/testfx

Guide for modernizing and migrating MSBuild project files to SDK-style format.

microsoft/testfx

Migrate a .NET 10 project or solution to .NET 11 and resolve all breaking changes.

dotnet/skills

WORKFLOW SKILL - Safely migrates eligible Aspire 13.6+ AppHosts from legacy ProjectResource APIs to experimental DotnetProjectResource APIs after a per-resource assessment and explicit approval of…

CommunityToolkit/Aspire

Perform janitorial tasks on C/.NET code including cleanup, modernization, and tech debt remediation.

DynamoDS/Dynamo

Modern C language features for .NET 10 and C 14. An agent skill from codewithmukesh/dotnet-claude-kit.

codewithmukesh/dotnet-claude-kit

Build and modernize WPF applications on .NET with correct XAML, data binding, commands, threading, styling, and Windows desktop migration decisions.

managedcode/dotnet-skills

Create a prioritized modernization roadmap from assessment findings.

EmeaAppGbb/spec2cloud

Write, review, or modernize F code in .NET repositories with functional-first design, algebraic data types, pattern matching, pipelines, async workflows, project ordering, and C interop.

managedcode/dotnet-skills

Maintain classic ASP.NET applications on .NET Framework, including Web Forms, older MVC, and legacy hosting patterns, while planning realistic modernization boundaries.

managedcode/dotnet-skills