Skill
Community

dotnet-tooling

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Description

Manages .NET SDK installation (dotnet-install, workloads), project setup (.slnx, Directory.Build.props, CPM), MSBuild authoring, build optimization, performance (Span, ArrayPool, stackalloc), profiling (dotnet-counters, dotnet-trace), Native AOT/trimming, GC tuning, CLI apps (System.CommandLine, Spectre.Console, Terminal.Gui), ILSpy decompilation, VS Code debug config (launch.json, coreclr, remote), C# LSP (csharp-ls, OmniSharp), and version detection/upgrade. Spans 34 topic areas. Do not use for UI implementation or API security design.

Tool Access

This skill uses the workspace's default tool permissions.

Supporting Assets
View in Repository
agents/openai.yaml
references/add-analyzers.md
references/aot-architecture.md
references/artifacts-output.md
references/build-analysis.md
references/build-optimization.md
references/cli-architecture.md
references/cli-distribution.md
references/cli-release-pipeline.md
references/csharp-lsp.md
references/csproj-reading.md
references/documentation-strategy.md
references/dotnet-sdk-install.md
references/gc-memory.md
references/ilspy-decompile.md
references/mermaid-diagrams.md
references/modernize.md
references/msbuild-authoring.md
references/msbuild-tasks.md
references/multi-targeting.md
Skill Content

dotnet-tooling

Overview

.NET project setup, build systems, performance, CLI apps, and developer tooling. This consolidated skill spans 34 topic areas. Load the appropriate companion file from references/ based on the routing table below.

Routing Table

TopicKeywordsDescriptionCompanion File
Project structuresolution, .slnx, CPM, analyzers.slnx, Directory.Build.props, CPM, analyzersreferences/project-structure.md
Scaffold projectdotnet new, CPM, SourceLink, editorconfigdotnet new with CPM, analyzers, editorconfig, SourceLinkreferences/scaffold-project.md
Csproj readingPropertyGroup, ItemGroup, CPM, propsSDK-style .csproj, PropertyGroup, ItemGroup, CPMreferences/csproj-reading.md
MSBuild authoringtargets, props, conditions, Directory.BuildTargets, props, conditions, Directory.Build patternsreferences/msbuild-authoring.md
MSBuild tasksITask, ToolTask, inline tasks, UsingTaskITask, ToolTask, IIncrementalTask, inline tasksreferences/msbuild-tasks.md
Build analysisMSBuild output, NuGet errors, analyzer warningsMSBuild output, NuGet errors, analyzer warningsreferences/build-analysis.md
Build optimizationslow builds, binary logs, parallel, restoreSlow builds, binary logs, parallel, restorereferences/build-optimization.md
Artifacts outputUseArtifactsOutput, ArtifactsPath, CI/DockerUseArtifactsOutput, ArtifactsPath, CI/Docker impactreferences/artifacts-output.md
Multi-targetingmultiple TFMs, polyfills, conditional compilationMultiple TFMs, PolySharp, conditional compilationreferences/multi-targeting.md
Performance patternsSpan, ArrayPool, ref struct, sealed, stackallocSpan, ArrayPool, ref struct, sealed, stackallocreferences/performance-patterns.md
Profilingdotnet-counters, dotnet-trace, flame graphsdotnet-counters, dotnet-trace, dotnet-dump, flame graphsreferences/profiling.md
Native AOTPublishAot, ILLink, P/Invoke, size optimizationPublishAot, ILLink descriptors, P/Invoke, size optimizationreferences/native-aot.md
AOT architecturesource gen, AOT-safe DI, serializationSource gen over reflection, AOT-safe DI, factoriesreferences/aot-architecture.md
Trimmingannotations, ILLink, IL2xxx warnings, IsTrimmableAnnotations, ILLink, IL2xxx warnings, IsTrimmablereferences/trimming.md
GC/memoryGC modes, LOH/POH, Span/Memory, ArrayPoolGC modes, LOH/POH, Gen0/1/2, Span/Memory, ArrayPoolreferences/gc-memory.md
CLI architecturecommand/handler/service, clig.dev, exit codesCommand/handler/service, clig.dev, exit codesreferences/cli-architecture.md
System.CommandLineRootCommand, Option<T>, SetAction, parsingSystem.CommandLine 2.0, RootCommand, Option<T>references/system-commandline.md
Spectre.Consoletables, trees, progress, prompts, live displaysTables, trees, progress, prompts, live displaysreferences/spectre-console.md
Terminal.Guiviews, layout, menus, dialogs, bindings, themesTerminal.Gui v2, views, layout, menus, dialogsreferences/terminal-gui.md
CLI distributionAOT vs framework-dependent, RID matrix, Homebrew, winget, Scoop, dotnet toolDistribution strategy, single-file publish, per-platform packagingreferences/cli-distribution.md
CLI release pipelineGHA build matrix, artifact staging, checksumsGHA build matrix, artifact staging, checksumsreferences/cli-release-pipeline.md
Documentation strategyStarlight, Docusaurus, DocFX decision treeStarlight, Docusaurus, DocFX decision treereferences/documentation-strategy.md
Tool managementglobal, local, manifests, restore, pinningGlobal/local tools, manifests, restore, pinningreferences/tool-management.md
Version detectionTFM/SDK from .csproj, global.jsonTFM/SDK from .csproj, global.json, Directory.Buildreferences/version-detection.md
Version upgradeLTS-to-LTS, staged, preview, upgrade pathsLTS-to-LTS, staged through STS, preview pathsreferences/version-upgrade.md
Solution navigationentry points, .sln/.slnx, dependency graphsEntry points, .sln/.slnx, dependency graphsreferences/solution-navigation.md
Project analysissolution layout, build config analysisSolution layout, build config, .csproj analysisreferences/project-analysis.md
Modernizeoutdated TFMs, deprecated packages, patternsOutdated TFMs, deprecated packages, superseded patternsreferences/modernize.md
Add analyzersnullable, trimming, AOT compat, severity configNullable, trimming, AOT compat analyzers, severityreferences/add-analyzers.md
SDK installationinstall .NET, dotnet-install, workloads, missing SDK.NET SDK install script, workloads, env vars, side-by-sidereferences/dotnet-sdk-install.md
ILSpy decompileilspycmd, decompile, assembly, disassemble, ILILSpy/ilspycmd decompilation, type listing, IL viewreferences/ilspy-decompile.md
Mermaid diagramsarchitecture, sequence, class, ER, flowchartsArchitecture, sequence, class, deployment, ER diagramsreferences/mermaid-diagrams.md
VS Code debugginglaunch.json, tasks.json, coreclr, attach, debugVS Code launch/attach configs, tasks, multi-project, hot reloadreferences/vscode-debug.md
C# LSPlanguage server, csharp-ls, OmniSharp, go to definitionC# LSP servers, code navigation, agent usage patternsreferences/csharp-lsp.md

Scope

  • Solution structure and project scaffolding
  • MSBuild authoring and build optimization
  • Performance patterns and profiling
  • Native AOT, trimming, and GC tuning
  • CLI app development (System.CommandLine, Spectre.Console, Terminal.Gui)
  • Documentation generation (DocFX)
  • Tool management and version detection/upgrade
  • Solution navigation and project analysis
  • Code modernization and analyzer configuration
  • Mermaid diagram generation
  • VS Code debug configuration (launch.json, tasks.json, coreclr)
  • C# LSP servers (csharp-ls, OmniSharp) for agent code navigation

Out of scope

  • Crash dump analysis, hang/deadlock triage, live debugger attach -> [skill:dotnet-debugging]
  • Web API patterns -> [skill:dotnet-api]
  • Test authoring -> [skill:dotnet-testing]
  • CI/CD pipelines -> [skill:dotnet-devops]
  • C# language patterns -> [skill:dotnet-csharp]
  • UI framework development -> [skill:dotnet-ui]

Scripts

  • scripts/scan-dotnet-targets.py -- Scan repository for .NET TFM and SDK version signals
Stats
Stars191
Forks10
Last CommitMar 6, 2026

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