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Add McpSessions.NegotiatedProtocolVersion property. (#794)

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This commit is contained in:
Eirik Tsarpalis 2025-09-19 13:11:01 +03:00 • committed by GitHub
commit 7cfe0ef621
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2 changed files with 57 additions and 20 deletions
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1
src/ModelContextProtocol.Core/Server/DestinationBoundMcpServer.cs
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@ -6,6 +6,7 @@ namespace ModelContextProtocol.Server;
internal sealed class DestinationBoundMcpServer(McpServerImpl server, ITransport? transport) : McpServer
{
public override string? SessionId => transport?.SessionId ?? server.SessionId;
public override string? NegotiatedProtocolVersion => server.NegotiatedProtocolVersion;
public override ClientCapabilities? ClientCapabilities => server.ClientCapabilities;
public override Implementation? ClientInfo => server.ClientInfo;
public override McpServerOptions ServerOptions => server.ServerOptions;

8
src/ModelContextProtocol.Core/Server/McpServerImpl.cs
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@ -7,8 +7,6 @@ using System.Text.Json.Serialization.Metadata;
namespace ModelContextProtocol.Server;
// TODO: Fix merge conflicts in this file.
/// <inheritdoc />
internal sealed partial class McpServerImpl : McpServer
{
@ -31,6 +29,7 @@ internal sealed partial class McpServerImpl : McpServer
private Implementation? _clientInfo;
private readonly string _serverOnlyEndpointName;
private string? _negotiatedProtocolVersion;
private string _endpointName;
private int _started;
@ -116,6 +115,9 @@ internal sealed partial class McpServerImpl : McpServer
/// <inheritdoc/>
public override string? SessionId => _sessionTransport.SessionId;
/// <inheritdoc/>
public override string? NegotiatedProtocolVersion => _negotiatedProtocolVersion;
/// <inheritdoc/>
public ServerCapabilities ServerCapabilities { get; } = new();
@ -212,6 +214,8 @@ internal sealed partial class McpServerImpl : McpServer
McpSessionHandler.LatestProtocolVersion;
}
_negotiatedProtocolVersion = protocolVersion;
return new InitializeResult
{
ProtocolVersion = protocolVersion,