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Highlights
Awesome GitHub Copilot just got a website, and a learning hub, and plugins!
Back in July, we launched the Awesome GitHub Copilot Customizations repo with a simple goal: give the community a place to share custom instructions, prompts, and chat modes to customize the AI responses from GitHub Copilot. We were hoping for maybe one community contribution per...
Read moreClick to read more about this postWhen Infrastructure Scales But Understanding Doesn't
We all know this, even if we don't like to admit it: modern infrastructure can scale infinitely, but human understanding doesn't.
We've all seen it happen - organizations going from managing dozens of servers to thousands of containers, from deploying weekly to deploying hundreds of...
Read moreClick to read more about this postAuthentication Tokens Are Not a Data Contract
Authentication tokens exist to answer one question: is this caller authorized to do this?
They are not intended to be a stable data interface, a schema you can depend on, or an input into application logic.
If your application decodes tokens and reads claims from them, this is an...
Read moreClick to read more about this postLatest posts
Jan 26, 2026
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Introducing the Evals for Agent Interop starter kit
We’re launching Evals for Agent Interop, a starter evaluation kit that provides curated scenarios and representative data that emulate real digital work, and an evaluation harness that organizations can use to self-run their agents across Microsoft 365 surfaces.
Microsoft 365 Developer Blog
Jan 26, 2026
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What's the difference between SafeArrayAccessData and SafeArrayAddRef?
Two ways of preserving the data.
The Old New Thing
Jan 26, 2026
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Giving Agents a Visual Voice: MCP Apps Support in VS Code
VS Code now supports MCP Apps, enabling AI agents to display interactive UIs for richer developer workflows.
Read the full article
VS Code Blog
Jan 23, 2026
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Azure Cosmos DB TV Recap: Supercharging AI Agents with the Azure Cosmos DB MCP Toolkit (Ep. 110)
Mark,
Sajeetharan,
Jay
In Episode 110 of Azure Cosmos DB TV, host Mark Brown is joined by Sajeetharan Sinnathurai to explore how the Azure Cosmos DB MCP Toolkit is changing the way developers build, deploy, and scale AI agents using real application data.
As agentic AI systems evolve, one challenge continues...
Azure Cosmos DB Blog
Jan 23, 2026
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Bringing work context to your code in GitHub Copilot
This week we shipped the GitHub Copilot SDK which takes the agent loop from the Copilot CLI and makes it easy to embed in other applications. We’ve been using, improving, and extending Copilot CLI for the last few months and it’s sparked new ideas about what it means to have the right...
Microsoft for Developers
Jan 23, 2026
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C++ has scope_exit for running code at scope exit. C# says "We have scope_exit at home."
You can wrap it in an
IDisposable.The Old New Thing
Jan 23, 2026
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Bridging Local Development and Cloud Evaluation: Using Microsoft Devtunnels with Azure Machine Learning
Learn how to streamline AI development by using Microsoft Devtunnels to connect local services with Azure Machine Learning evaluation pipelines, eliminating deployment delays while maintaining comprehensive cloud-based validation.
ISE Developer Blog
Jan 22, 2026
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Introducing the Azure Cosmos DB Agent Kit: Your AI Pair Programmer Just Got Smarter
The Azure Cosmos DB Agent Kit is an open-source collection of skills that teaches your AI coding assistant (GitHub Copilot, Claude Code, Gemini CLI) expert-level Azure Cosmos DB best practices.
Install with one command, get production-ready guidance instantly.
The Challenge Every...
Azure Cosmos DB Blog
Jan 22, 2026
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A simple helper function for attaching a progress handler to a Windows Runtime IAsyncActionWithProgress or IAsyncOperationWithProgress
It doesn't do much, but it saves typing.
The Old New Thing