Microsoft Foundry: When Agent Framework Agents Become Managed Resources

How to host a Microsoft Agent Framework agent in Foundry while keeping authorization, conversation ownership, identity, and governance boundaries explicit.

July 22, 2026 · 16 min · Lukas Walter

Testing Microsoft Agent Framework Applications

How to test Microsoft Agent Framework applications with fake model clients, tool contract tests, structured output tests, routing tests, workflow tests, and eval-style regression checks.

July 15, 2026 · 21 min · Lukas Walter

Observability for Agents with OpenTelemetry, Aspire, and Application Insights

How to make Microsoft Agent Framework behavior visible in production with OpenTelemetry traces, token usage, model calls, tool calls, Aspire local debugging, and Application Insights monitoring.

July 8, 2026 · 17 min · Lukas Walter

Agent Frontends with AG-UI: Streaming, Tool Calls and Human Approval

How to expose Microsoft Agent Framework agents through AG-UI so frontends can handle streaming text, tool progress, approval requests, and shared state.

July 1, 2026 · 16 min · Lukas Walter

Human-in-the-Loop Agents: When the AI Must Ask Before Acting

How to implement human-in-the-loop approval flows in Microsoft Agent Framework for risky tool calls, side effects, workflow state, and resumable review.

June 24, 2026 · 17 min · Lukas Walter

Microsoft Agent Framework Multimodal Agents: Images, PDFs, and Provider Differences

How Microsoft Agent Framework agents can work with images and PDFs, where native multimodal support helps, and why provider differences still matter.

June 17, 2026 · 13 min · Lukas Walter

Agent Framework RAG for Agents: Giving Your Agent the Right Context

How to connect Microsoft Agent Framework agents to private application knowledge without stuffing full documents into the prompt.

June 10, 2026 · 10 min · Lukas Walter

Microsoft Agent Framework Workflows: When to Use Them and When to Stay in C#

When to use Microsoft Agent Framework workflows for explicit, observable, resumable, long-running orchestration, and why normal C# code is often the better choice.

June 3, 2026 · 14 min · Lukas Walter

Agents as Tools in Microsoft Agent Framework

How to delegate work between Microsoft Agent Framework agents by exposing focused agents as function tools, and when this is better than manual routing or a workflow engine.

May 27, 2026 · 11 min · Lukas Walter

Manual Multi-Agent Routing in .NET

How to route requests between specialized Microsoft Agent Framework agents with a cheap intent agent, structured output, and a normal C# switch statement.

May 20, 2026 · 10 min · Lukas Walter