AI-Assisted .NET Development with GitHub Copilot and Coding Agents
How .NET teams use GitHub Copilot, coding agents, custom instructions and MCP servers, plus review, security and modernization guidance for 2026.
19 articles about Build & Tooling: in-depth .NET and AI guides, senior interview questions and AI news on DotNet AI Hub.
How .NET teams use GitHub Copilot, coding agents, custom instructions and MCP servers, plus review, security and modernization guidance for 2026.
Generate OpenAPI 3.1 and 3.2 documents in ASP.NET Core with Microsoft.AspNetCore.OpenApi, transformers, Scalar or Swagger UI, and Kiota or NSwag clients.
The evolution of C# from 1.0 to 14: a version timeline with .NET and Visual Studio releases, the big themes, LangVersion rules and lessons for modern code.
Build incremental Roslyn source generators and analyzers in .NET: ForAttributeWithMetadataName, caching, code fixes, testing, NuGet packaging and interceptors.
How the .NET release cadence works: LTS vs STS support (STS is now 24 months), end-of-support dates for .NET 8 to 11 and a practical upgrade strategy.
Learn to benchmark .NET code correctly with BenchmarkDotNet: core attributes, memory diagnostics, parameters, baselines and CI regression checks.
Build production-ready .NET CI/CD pipelines with GitHub Actions and Azure Pipelines: caching, matrix builds, containers, OIDC and approvals.
Enforce .NET code quality with built-in analyzers, EditorConfig, TreatWarningsAsErrors, dotnet format and third-party static analysis tools.
Master MSBuild, SDK-style projects, Directory.Build.props, Central Package Management, multi-targeting, the .slnx format and binary logs.
Publish high-quality NuGet packages: metadata, SemVer, SourceLink, deterministic builds, trusted publishing, NuGet Audit and package signing.
A practical guide to unit testing in .NET with xUnit v3, NUnit, MSTest, Microsoft.Testing.Platform, mocking with NSubstitute and Moq, and assertions.
Lead-level .NET interview questions on NuGet Audit, lock files, source mapping, SBOMs, package signing, SLSA, repo secrets and hardening CI/CD pipelines.
GitHub's Copilot desktop app reached general availability on June 17, 2026, giving developers one place to run parallel AI agent sessions in isolated worktrees.
SpaceX agreed to buy AI coding startup Cursor for $60 billion in stock and closed the deal in August. What it means for developers who rely on Cursor.
OpenAI launched a standalone Codex app for Mac on February 2, 2026, built to help developers run and manage several AI coding agents at once. What changed.
Anthropic bought Bun, the MIT-licensed JavaScript runtime behind Claude Code, as its coding agent hit a $1B run rate. What it means for developers.
The MCP project launched the MCP Registry in preview on September 8, 2025, an open catalog and API for public MCP servers, with NuGet among its package types.
On June 30, 2025, Microsoft released the GitHub Copilot Chat extension for VS Code under the MIT license, exposing its agent mode, prompts and telemetry.
Anthropic made Claude Code generally available on May 22, 2025, adding VS Code and JetBrains extensions, GitHub Actions support and the Claude Code SDK.