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dotnet-build-analysis

Interpret .NET build diagnostics and provide fix guidance for MSBuild, NuGet, and Roslyn errors.

1|Updated Feb 22, 2026
Search Tags:#ci/cd#nuget#.net#build errors#msbuild#analyzer warnings
One-click install
npx skills add https://github.com/rudironsoni/dotnet-agent-harness --skill dotnet-build-analysis-rudironsoni
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: dotnet-build-analysis
Source: https://github.com/rudironsoni/dotnet-agent-harness/tree/main/.rulesync/skills/dotnet-build-analysis
Command: npx skills add https://github.com/rudironsoni/dotnet-agent-harness --skill dotnet-build-analysis-rudironsoni

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes scripts (resource) and references (resource) components.

What problem does it solve?

This Skill helps developers understand and resolve complex MSBuild output, NuGet errors, and Roslyn analyzer warnings, preventing build failures and improving code quality.

Core Features & Use Cases

  • Error Code Interpretation: Deciphers prefixes like CS, MSB, NU, CA, IDE to pinpoint the source of build issues.
  • NuGet Restore Diagnosis: Guides users through common package not found and version conflict scenarios.
  • Analyzer Triage: Provides strategies for addressing code style and quality warnings.
  • CI/Local Drift Analysis: Helps diagnose and fix build inconsistencies between development and CI environments.
  • Use Case: A developer encounters a cryptic MSB4019 error during a build. This Skill explains the error, identifies it as a missing MSBuild targets file, and suggests checking the project's SDK declaration.

Quick Start

Use the dotnet-build-analysis skill to interpret the MSBuild output: error CS0246: The type or namespace name 'OrderDto' could not be found.

Frequently Asked Questions about dotnet-build-analysis

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I fix MSBuild errors like MSB4019 when a targets file is missing?▼

NuGet restore failures stem from missing packages or version conflicts within your .NET project. Diagnose these package issues by examining NU error codes and adjusting version constraints or package sources to ensure successful restoration.

How do I resolve Roslyn analyzer warnings and configure .editorconfig?▼

Roslyn analyzer warnings identify code quality and style issues, which you can triage and suppress using .editorconfig configurations. Address these warnings by applying specific fix patterns and adjusting analyzer rules to enforce desired code standards.

Why does my .NET build succeed locally but fail in CI/CD pipelines?▼

CI and local build drift occurs when environments differ in SDK versions or package availability, causing inconsistent .NET builds. Diagnose this drift by checking global.json configurations and ensuring CI pipelines match local development environments.

What do .NET build error prefixes like CS, MSB, NU, and CA mean?▼

.NET build error prefixes pinpoint the source of issues: CS for compiler errors, MSB for MSBuild process errors, NU for NuGet package failures, and CA for code analyzer warnings. Interpreting these codes provides actionable guidance for resolving build problems.

How do I handle NuGet package version conflicts in multi-targeting .NET projects?▼

NuGet package version conflicts in multi-targeting projects arise when dependencies require different versions across target frameworks. Resolve these conflicts by analyzing NU error codes and adjusting package versions or using global.json to enforce consistent restore behavior.

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