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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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src/ModelContextProtocol.Core/MissingRequiredClientCapabilityException.cs
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@ -10,9 +10,9 @@ namespace ModelContextProtocol;
/// in the request's per-request <c>_meta/io.modelcontextprotocol/clientCapabilities</c> field.
/// </summary>
/// <remarks>
/// Introduced by the draft protocol revision (SEP-2575). Servers throw this exception when a handler cannot
/// Introduced by the 2026-07-28 protocol revision (SEP-2575). Servers throw this exception when a handler cannot
/// proceed because the client did not declare a required capability for the request. The exception is converted
/// to a JSON-RPC error response with code <see cref="McpErrorCode.MissingRequiredClientCapability"/> (<c>-32003</c>)
/// to a JSON-RPC error response with code <see cref="McpErrorCode.MissingRequiredClientCapability"/> (<c>-32021</c>)
/// and a <see cref="MissingRequiredClientCapabilityErrorData"/> payload.
/// </remarks>
public sealed class MissingRequiredClientCapabilityException : McpProtocolException