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Follow-ups to #1610: de-draft 2026-07-28 terminology, renumber error codes, ProtocolVersion floor (#1671)

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Stephen Halter 2026-06-25 14:07:52 -07:00 • committed by GitHub
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11
tests/ModelContextProtocol.ConformanceClient/Program.cs
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@ -36,11 +36,12 @@ McpClientOptions options = new()
},
};
// The default client now prefers the draft revision (probing with server/discover and falling back
// to a legacy initialize handshake). The "initialize" and "sse-retry" scenarios specifically exercise
// the legacy initialize handshake and SSE resumability (removed in draft) and strictly expect
// initialize as the first message, so pin them to the latest stable version. Other scenarios run on
// the draft default and exercise the server/discover probe plus the transparent legacy fallback.
// The default client now prefers the 2026-07-28 protocol (probing with server/discover and
// falling back to a legacy initialize handshake). The "initialize" and "sse-retry" scenarios
// specifically exercise the legacy initialize handshake and SSE resumability (removed in the
// 2026-07-28 protocol) and strictly expect initialize as the first message, so pin them to the
// latest stable version. Other scenarios run on the 2026-07-28 default and exercise the
// server/discover probe plus the transparent legacy fallback.
if (scenario is "initialize" or "sse-retry")
{
options.ProtocolVersion = "2025-11-25";