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From RoleEntryPoint to FoundryCBAgent — A .NET Developer's View of Microsoft Foundry Hosted Agent Architecture

This article analyzes the design of Microsoft Foundry Hosted Agent, currently in public preview as of March 2026, within the lineage of .NET architecture. This is not a recommendation for production use at this point, but focuses on the design direction that enterprise AI architects should pay attention to. What It Means to Put an Agent in Production When deploying AI agents to production in an enterprise, there are currently two options. ...

March 17, 2026 · 14 min ·  rkttu
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How AI Agents Figure Out APIs When Building an IDE with a Brand-New .NET UI Framework

2026-02-08 — LibraStudio Dev Log #1 Background Why Another .NET IDE? The IDE options in the .NET ecosystem are actually quite limited. Visual Studio is powerful but Windows-only, and even the Community Edition has restrictions on commercial use. The VS Code + C# Dev Kit combo is great, but the fact that C# Dev Kit is proprietary doesn’t change. Ultimately, vendor lock-in occurs at critical points, and the entire tool chain and workflow built on top becomes dependent on a specific vendor’s decisions. ...

February 8, 2026 · 8 min ·  rkttu