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Make "Stateless" mode sessionless (#760)

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- This removes the requirement to configure data protection which is the motivating reason for this change
- This means that McpServer.ClientInfo will always be null in stateless mode
This commit is contained in:
Stephen Halter 2025-10-02 15:57:01 -07:00 • committed by GitHub
commit 47b9582fd7
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1 changed files with 28 additions and 72 deletions
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7
tests/ModelContextProtocol.AspNetCore.Tests/MapMcpStreamableHttpTests.cs
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@ -158,7 +158,7 @@ public class MapMcpStreamableHttpTests(ITestOutputHelper outputHelper) : MapMcpT
{
return async context =>
{
if (!StringValues.IsNullOrEmpty(context.Request.Headers["mcp-session-id"]))
if (!StringValues.IsNullOrEmpty(context.Request.Headers["mcp-protocol-version"]))
{
protocolVersionHeaderValues.Add(context.Request.Headers["mcp-protocol-version"]);
}
@ -179,8 +179,11 @@ public class MapMcpStreamableHttpTests(ITestOutputHelper outputHelper) : MapMcpT
Assert.Equal("2025-03-26", mcpClient.NegotiatedProtocolVersion);
await mcpClient.ListToolsAsync(cancellationToken: TestContext.Current.CancellationToken);
await mcpClient.DisposeAsync();
// The header should be included in the GET request, the initialized notification, the tools/list call, and the delete request.
Assert.NotEmpty(protocolVersionHeaderValues);
// The DELETE request won't be sent for Stateless mode due to the lack of an Mcp-Session-Id.
Assert.Equal(Stateless ? 3 : 4, protocolVersionHeaderValues.Count);
Assert.All(protocolVersionHeaderValues, v => Assert.Equal("2025-03-26", v));
}
}