Building a health data chat agent using Claude as the LLM backend with the Microsoft Agent Framework in .NET 10, featuring function tools, AG-UI streaming, and system prompt design.

Building a Health Data Chat Agent with Claude and the Microsoft Agent Framework

Using the Microsoft Agent Framework, we can build agents that interact with our data via chat capabilities. In my personal project, I decided to create a Chat API that allows me to query my data via a chat interface using an LLM. I wasn’t keen on using OpenAI, or even provisioning Microsoft Foundry to create a deployment so that I could use an LLM that they provide. I decided to just grab an API key for Anthropic so that I could use Claude, and hook it up into my agent so I wouldn’t have to worry about managing any Foundry infrastructure. ...

March 10, 2026 · 14 min · Will Velida