Version 2.0 of Microsoft’s official C# SDK for Model Context Protocol servers and clients implements the recent revision of the MCP spec that makes the protocol stateless by default.

Version 2.0 of Microsoft’s official C# SDK for Model Context Protocol servers and clients implements the recent revision of the MCP spec that makes the protocol stateless by…

MCP dropped its session handshake for a stateless core, hardened OAuth, and made tool lists cacheable, with SDK adoption near half a billion downloads