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GitHub Copilot for C# and .NET Articles, Tutorials & News
GitHub Copilot for C# and .NET articles, tutorials, and news from the DotNetNews archive.
324 articles Updated
GitHub Copilot for C# is the focus of this topic page. GitHub Copilot for C# and .NET shows up when .NET code leaves the laptop and has to run under cloud, container, or CI constraints. Intermediate and senior .NET developers use this hub to scan practical writing without treating every link as an endorsement.
Recurring subtopics in recent issues include GitHub Copilot for C#, Copilot .NET, AI coding C#, and Copilot Visual Studio. Those themes are drawn from titles and excerpts in the newest archive entries for this tag, not from a marketing outline.
Expect publisher tutorials, release notes, architecture write-ups, and field notes linked from DotNetNews issues. Start here is a short editorial shortlist for GitHub Copilot for C# and .NET; the archive list is chronological and larger. Secondary angles such as GitHub Copilot for C# and Copilot .NET appear when the archive actually covered them. Nearby reading often overlaps with GitHub for .NET Developers and Visual Studio for C# and .NET.
Start here
Editor picks for GitHub Copilot
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Modernize .NET applications in the GitHub Copilot app
Microsoft Dev Blogs Issue #495
Interesting GitHub Copilot workflow for modernization work that is usually too broad for a single prompt anyway.
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GitHub Copilot Generated Our .NET Tests. It Missed What Mattered Most
Medium Issue #489
Useful counterweight to AI hype: generated tests can look busy while still missing the behavior that actually protects a system.
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Modernize .NET Apps with GitHub Copilot
YouTube Issue #488
Modernization with Copilot is a real interest area for .NET Framework shops.
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GitHub Copilot Workspace for Enterprise Teams: A Complete .NET Guide
C# Corner Issue #487
Copilot guidance for larger teams is where the discussion gets practical: planning, review flow, and governance matter more than novelty.
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AI-Powered Codebase Modernization Using GitHub Copilot Agents
C# Corner Issue #486
Modernization with Copilot agents is compelling if expectations stay realistic.
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🔴 Let It Cook with Claude Fable 5
YouTube Issue #477
Relevant for developers watching how Copilot and model changes affect real coding workflows inside VS Code.
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Doing More with GitHub Copilot as a .NET Developer
Microsoft Dev Blogs Issue #474
Copilot tips from the .NET team on getting more value from your AI pair programmer.
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GitHub Copilot Agent for Unit Tests: My Real-World Spargine Experiment
dotNetTips.com Issue #473
Real-world Copilot friction: code deletion, slow perf, inconsistent adherence. Worth reading if you're piloting AI agents.
Archive
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Newest first
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GitHub Copilot Agent Mode: How to Control What an AI Coding Agent Can Do
C# Corner - Aarav Patel Issue #557
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GitHub Copilot and .NET Performance: Benchmark Every Optimization
dotNetTips.com - David (dotNetDave) McCarter Issue #554
GitHub Copilot offers optimization suggestions but testing their effectiveness requires careful engineering. While some improvements may seem beneficial, they can complicate code or slow performance. ...
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My coding agent wrote outside the repo. Nothing stopped it.
Goat Review - Cyril Canovas Issue #553
You let a coding agent loose on a repository. It reads what it needs, then writes — a file two directories up, a ~/.config it had no business in, a /tmp script it runs next. When you look at how, the ...
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VS Code Learn: Extending Agents
YouTube - Visual Studio Code Issue #553
Checkout key aspects of AI Agents with Tools, Tool sets, Permissions and Sandboxing. We'll also look at MCP (Model Context Protocol) and how to use it to connect your agents to external data sources. ...
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Faster C++ code intelligence for Copilot CLI with Whole Codebase Indexing
Microsoft Dev Blogs - Sinem Akinci Issue #553
C++ repositories can contain millions of lines of code spread across deeply connected source files and headers. Without a reusable index, navigating to definitions, finding references, or searching fo...
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Claude Code Remote Control Server
Rockford Lhotka's Blog Issue #553
In my last post I talked about using SSH to run Claude Code on one of my desktop machines while I’m traveling with my laptop. It works, but it has problems. The biggest one is that disconnecting kills...
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Code it with AI
Rockford Lhotka's Blog Issue #552
For the past couple of months I’ve been co-hosting Code it with AI , a YouTube series with Carl Franklin (yes, that Carl, from .NET Rocks!). I haven’t mentioned it here yet, and that’s an oversight I ...
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Copilot CLI
YapCast – Jesse Liberty Issue #551
tl;drGitHub Copilot CLI is a terminal-native, agentic coding assistant that brings GitHub Copilot’s AI into your shell. Instead of only offering completions in an editor, Copilot CLI lets you ask natu...
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Adding Cosmos with Spec Kit & Copilot
YapCast – Jesse Liberty Issue #549
Yesterday I set out to add Cosmos to my demonstration project. The goal was to keep track of all queries, even after the browser is closed. My plan was to work with Spec Kit and Copilot, as described ...
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Build an interview coach app with the GitHub Copilot SDK
Microsoft Developer Issue #548
An interview coach has to do more than ask questions. It needs to read a resume, follow up on an incomplete answer, and save enough context to give useful feedback at the end. Some of that work is con...
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Your AI coding agent evaluation is only as good as its sandbox
Microsoft Developer Issue #548
Your AI coding agent passed the eval. But did the model know the answer, or did it find it somewhere on your machine? A correct answer can still invalidate your measurement. The post Your AI coding ag...
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Enterprise-ready Vibe Coding with Rayfin | Data Exposed
YouTube Issue #548
Rayfin is a new open-source SDK and CLI that lets you (or a coding agent working on your behalf) define an application backend in code and deploy it to Microsoft Fabric. The deployed site runs as a fi...
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VS Code Learn: Agent-First Development
YouTube Issue #548
In this video, we'll demo how to work effectively with AI agents in Visual Studio Code, covering agent workflows, governance, debugging, execution environments, and hands-on application development. ▶...
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Spec Kit Phases
YapCast – Jesse Liberty Issue #548
I’ve been writing quite a bit about Spec Kit. Mostly because I can’t get over how effective it is when combined with Copilot. Spec Kit essentially “forces” you into Spec Driven Development best practi...
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.NET AI Community Standup: Interview Coach Evolves: MAF + GitHub Copilot SDK
YouTube Issue #547
We just updated the Interview Coach! Join Bruno Capuano and Justin Yoo to explore the latest evolution of Interview Coach, a .NET sample built with Microsoft Agent Framework (MAF), now with GitHub Cop...
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Spec Driven Development
YapCast – Jesse Liberty Issue #547
I am totally blown away by the combination of Spec Kit and Copilot. It is one thing to read about SDD (Spec Driven Development) and quite another to build with it I installed Spec Kit and pointed Copi...
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Steering the Vibe: Worktrees
stafford williams Issue #547
After failing a number of times to implement worktrees, I got over my frustration and made it happen. The result was a huge productivity multiplier, though not without solving some tricky problems. In...
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Legacy Code Is Not a Rewrite Problem
Medium Issue #545
How I run Claude Code on ten-year-old ASP.NET MVC applications without rewriting them, and the CLAUDE.md that keeps it honest
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SharePoint Framework (SPFx) roadmap update – August 2026
Microsoft Dev Blogs Issue #544
SPFx 1.24 Beta 3 is now available, React 18 support is coming in 1.24, and a new Copilot Components preview program opens for customers and partners. The post SharePoint Framework (SPFx) roadmap updat...
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GitHub Copilot Memory: Testing Repository Context Retention Across Agent Sessions
C# Corner Issue #544
Test GitHub Copilot Memory across agent sessions to evaluate repository context retention, consistency, scope, deletion behavior, and developer workflows.
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Platform Modernization Using Copilot Agents: What Happens When You Let AI Own the Upgrade, Not Just…
Medium Issue #543
We had 23 services stuck on .NET 6, and no time to do it the old way.
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GitHub Copilot Code Review for Azure Repos: Detecting False Positives and Missed Bugs
C# Corner Issue #543
Test GitHub Copilot code review on Azure Repos to identify false positives, missed bugs, detection accuracy, and practical limitations of AI-assisted code reviews.
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Copilot Review To The Rescue
YapCast – Jesse Liberty Issue #543
For those who are following along with the evolution of my Blog Writing application: after the last revision (allowing follow-up questions to a query) Copilot evaluated my Pull Request and sent me an ...
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GitHub Copilot Agent Plugins: Testing Plugin Trust Across VS Code and Copilot CLI
C# Corner Issue #542
Learn how to test GitHub Copilot agent plugins across VS Code and Copilot CLI, focusing on trust, permissions, reproducibility, tool access, and security controls.
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🧳 Bring Your Own AI Models to GitHub Copilot in VS Code
YouTube Issue #542
Use your own Azure-hosted AI models with GitHub Copilot in VS Code. See how Bring Your Own Key (BYOK) lets you connect models from Microsoft Foundry, choose which models appear in Copilot, and use the...