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Add HttpServerSessionMode for hybrid stateful/stateless HTTP serving (#1796)

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Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
Co-authored-by: Jeff Handley <jeffhandley@users.noreply.github.com>
This commit is contained in:
pardhu 2026-08-12 23:36:36 -07:00 • committed by GitHub
commit c6a97d94d6
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1 changed files with 764 additions and 150 deletions
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7
tests/ModelContextProtocol.TestSseServer/Program.cs
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@ -1,4 +1,5 @@
using Microsoft.AspNetCore.Connections;
using ModelContextProtocol.AspNetCore;
using ModelContextProtocol.Protocol;
using ModelContextProtocol.Server;
using Serilog;
@ -378,7 +379,7 @@ public class Program
serviceCollection.AddSingleton(app.ApplicationServices.GetRequiredService<DiagnosticListener>());
serviceCollection.AddRoutingCore();
serviceCollection.AddMcpServer(ConfigureOptions).WithHttpTransport(options => options.Stateless = true);
serviceCollection.AddMcpServer(ConfigureOptions).WithHttpTransport(options => options.SessionMode = HttpServerSessionMode.Stateless);
var appBuilder = new ApplicationBuilder(serviceCollection.BuildServiceProvider());
appBuilder.UseRouting();
@ -428,8 +429,8 @@ public class Program
.WithHttpTransport(options =>
{
// The test fixture exercises legacy stateful behaviors (SSE + session-id flows).
// Set Stateless = false explicitly now that the 2026-07-28 protocol (SEP-2567) defaults to true.
options.Stateless = false;
// Set SessionMode = HttpServerSessionMode.Stateful explicitly since sessions are required.
options.SessionMode = HttpServerSessionMode.Stateful;
options.EnableLegacySse = true;
});