Showing category results for AI

Oct 20, 2026
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Can a local git remote replace GitHub in your agent eval?

Waldek Mastykarz

We swapped GitHub for a local git remote in our agent evals. Rebasing and pushing on request were unaffected, but the agent pushed on its own 11 points less often. Here's when a local remote is a safe shortcut, and when it isn't.

AI
Oct 9, 2026
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Introducing the Agent Experience (AX) Practitioner Playbook

Waldek Mastykarz

AI coding agents now pick the SDK, the version, and the pattern for your developers. The AX Practitioner Playbook is our method for finding out whether they get your technology right, and for fixing the sources they rely on when they don't.

AI
Oct 7, 2026
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From Spec-First to Enterprise-Ready: Extending GitHub Spec Kit

Apoorv Gupta

How presets, extensions, bundles, workflows, and governed catalogs make Spec-Driven Development adaptable at scale This article continues Spec-Driven Development: A Spec-First Approach to AI-Native Engineering, which introduced the principles and lifecycle of SDD. Here, we focus on the next challenge: adapting that workflow to the standards, dom...

Microsoft for DevelopersAIGitHub Copilot
Oct 6, 2026
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What is Agent Experience (AX)?

Waldek Mastykarz

Your agent says it's done, and the code compiles, but did it pick your technology? Did it use it correctly? Learn what Agent Experience (AX) is, how to measure it, and why the obvious fix isn't always the right one.

AI
Sep 29, 2026
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Build with Azure Canvases: a shared workspace for agents

Matt Hernandez

See how Azure Canvases bring plans, code, previews, and deployment feedback together in a collaborative workspace for agent-assisted development.

AIMicrosoft for DevelopersGitHub Copilot
Sep 21, 2026
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Knowledge cutoff is a poor proxy for model capability

Waldek Mastykarz

A model can fail on features released before its knowledge cutoff, then succeed on ones released after it. We tested hundreds of product changes and found that the date tells you far less than the work does.

AI
Sep 16, 2026
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Your AI coding agent evaluation is only as good as its sandbox

Waldek Mastykarz

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.

AI
Sep 15, 2026
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Build an interview coach app with the GitHub Copilot SDK

Justin Yoo

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 conversation. Some of it requires calling an application service. The GitHub Copilot SDK lets you use the runtime behind Copilot CLI for that work insid...

GitHub CopilotAI