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How to test agent skills without hitting real APIs

Your agent skill calls an API. The moment you start evaluating it, every run either costs money or mutates production data. Learn how to mock APIs transparently so you can run evals without changing your skill or hitting real endpoints.
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Latest posts

Jul 23, 2026
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The Microsoft 365 Copilot Agent’s Playbook: A Practical Livestream Series for Building Better Agents

Shavonna Jackson
Building on Microsoft 365 Copilot? Here's your playbook. Declarative agents are quickly becoming one of the most exciting ways to extend Microsoft 365 Copilot and bring organizational knowledge, workflows, and tools directly into the flow of work. But as agent capabilities...
Microsoft for Developers
Jul 23, 2026
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Move Agent Orchestration/Workflows out of Code with Agent Framework Declarative Workflows 1.0

Peter Ibekwe
Most multi-agent apps wire every flow in application code: the sequence of steps, branching, and handoffs between agents all live inside the program, making the orchestration harder to review, version, and change. Declarative workflows make that orchestration explicit. In YAML,...
Microsoft Agent Framework
Jul 23, 2026
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Build locally, ship to Azure: meet Azure SQL Developer

Carlos,
Vandana
Big news: Azure SQL Developer is here, in private preview. It's the Azure SQL Database engine, on your laptop, in a container. Build against the exact engine you run in the cloud. Ship the same code to Azure. Change one line, the connection string, and you're in production. Free for...
Azure SQL Dev Corner
Jul 23, 2026
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Smarter Spring Development in Eclipse with GitHub Copilot

Hang,
Sheng,
martinlippert
How the Spring Tools MCP Server and GitHub Copilot together make Spring Development more efficient. Introduction If you write Spring Boot applications in Eclipse, you already know that Spring Tools for Eclipse brings best-in-class tooling right into your IDE, including quick...
Microsoft for Java Developers
Jul 22, 2026
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Visual Studio Code 1.131 (Insiders)

Visual Studio Code Team
Learn what's new in Visual Studio Code 1.131 (Insiders) Read the full article
VS Code Blog
Jul 22, 2026
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Visual Studio Code 1.130

Visual Studio Code Team
Learn what is new in Visual Studio Code 1.130 Read the full article
VS Code Blog
Jul 22, 2026
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Pure Virtual C++ 2026 Is a Wrap

Marian Luparu
Pure Virtual C++ 2026 is a wrap. Every featured and on-demand session is now available on YouTube — catch up on C++/Rust interop, AI-driven tooling, build performance, and more.
C++ Team Blog
Jul 22, 2026
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Windows App Development CLI v0.5.0 - expanded UI automation, JS/TS bindings, and more

Zachary Teutsch
WinApp CLI v0.5.0 greatly expands the UI automation toolkit (recording, touch, pen, and keyboard injection), lets you call Windows Runtime APIs straight from JavaScript and TypeScript with zero native addons, and makes WinUI crashes far easier to diagnose. Get the update by running...
#ifdef Windows
Jul 22, 2026
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Building Agents that Act on Your Behalf with Toolboxes in Foundry

Linda,
Maria
How Toolboxes in Foundry simplify user delegation At some point, many agents move from answering questions to taking action. And when it does, the question becomes: whose identity is it acting with? Imagine you are building an internal employee agent.  It needs to...
Microsoft Foundry Blog
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