The MCP C# SDK hybrid sessions option solves an awkward upgrade boundary: some clients still use the 2025-11-25 initialize handshake and depend on sessions, while clients on 2026-07-28 expect every HTTP request to stand alone. I want both groups to reach one ASP. NET Core endpoint without making...
Source: [Dev.to](https://dev.to/ssukhpinder/mcp-c-sdk-hybrid-sessions-serve-old-and-new-clients-on-one-endpoint-47hp)