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Default draft protocol support: sessionless + handshake-less (SEP-2575 + SEP-2567) (#1610)

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Stephen Halter 2026-06-23 21:24:22 -07:00 • committed by GitHub
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9
tests/ModelContextProtocol.Tests/DiagnosticTests.cs
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@ -91,10 +91,13 @@ public class DiagnosticTests
Assert.Equal(clientListToolsCall.SpanId, serverListToolsCall.ParentSpanId);
Assert.Equal(clientListToolsCall.TraceId, serverListToolsCall.TraceId);
// Validate that the client trace context encoded to request.params._meta[traceparent]
// Validate that the client trace context encoded to request.params._meta[traceparent].
// Under the draft revision _meta also carries the per-request envelope (protocolVersion,
// clientInfo, clientCapabilities), so assert on the traceparent property specifically
// rather than the entire _meta object.
using var listToolsJson = JsonDocument.Parse(clientToServerLog.First(s => s.Contains("\"method\":\"tools/list\"")));
var metaJson = listToolsJson.RootElement.GetProperty("params").GetProperty("_meta").GetRawText();
Assert.Equal($$"""{"traceparent":"00-{{clientListToolsCall.TraceId}}-{{clientListToolsCall.SpanId}}-01"}""", metaJson);
var traceparent = listToolsJson.RootElement.GetProperty("params").GetProperty("_meta").GetProperty("traceparent").GetString();
Assert.Equal($"00-{clientListToolsCall.TraceId}-{clientListToolsCall.SpanId}-01", traceparent);
// Validate that mcp.session.id is set on both client and server activities and that
// all client activities share one session ID while all server activities share another.