InfoQ - C# https://www.infoq.com InfoQ C# feed MCP C# SDK 2.0 Makes HTTP Stateless by Default and Adds Multi Round-Trip Requests https://www.infoq.com/news/2026/10/MCP-CSharp-SDK-Stateless/?utm_campaign=infoq_content&utm_source=infoq&utm_medium=feed&utm_term=C%23 <img src="https://res.infoq.com/news/2026/10/MCP-CSharp-SDK-Stateless/en/headerimage/header-1792707557585.jpg"/><p>Microsoft announced version 2.0 of the official MCP C# SDK, which implements the 2026-07-28 revision of the Model Context Protocol with stateless HTTP servers by default, standardised routing headers and Multi Round-Trip Requests. Releases 2.1 to 2.3 have since added hybrid session serving, a subscriptions/listen handler and a series of discovery, OAuth and shutdown fixes.</p> <i>By Edin Kapić</i> C# Model Context Protocol (MCP) .NET Development news Mon, 26 Oct 2026 08:00:00 GMT https://www.infoq.com/news/2026/10/MCP-CSharp-SDK-Stateless/?utm_campaign=infoq_content&utm_source=infoq&utm_medium=feed&utm_term=C%23 Edin Kapić 2026-10-26T08:00:00Z /news/2026/10/MCP-CSharp-SDK-Stateless/en