Microsoft AI Toolkit for VS Code v0.30.0: Agent Inspector, Tool Catalog, and MCP Integration

Summary

Microsoft released version 0.30.0 of the AI Toolkit for VS Code in mid-February 2026, adding three significant capabilities that advance IDE-native agent development. The Agent Inspector provides end-to-end debugging of AI agents directly inside VS Code, making agent behavior observable and reproducible at the step level — a first-class debugging experience comparable to what developers already have for conventional code. The Tool Catalog consolidates model discovery and agent tooling into a sin