Microsoft releases .NET SDK for AG-UI agent-user protocol

Microsoft on September 25 announced a .NET SDK for the AG-UI (Agent-User Interaction) protocol, built with CopilotKit. Published on NuGet under the MIT license, it ships as five packages, including AGUI.Server and AGUI.Client.

• SDK built with CopilotKit and published on NuGet under MIT
• Ships as five packages: Abstractions, Formatting, Protobuf, Client, Server
• AG-UI is an event-based protocol with eight event categories
• .NET support in Microsoft Agent Framework now uses this SDK