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Add ModelContextProtocol.Core package (#428)

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Stephen Halter 2025-06-02 15:16:45 -07:00 • committed by GitHub
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src/ModelContextProtocol/Client/IClientTransport.cs
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@ -1,47 +0,0 @@
using ModelContextProtocol.Protocol;
namespace ModelContextProtocol.Client;
/// <summary>
/// Represents a transport mechanism for Model Context Protocol (MCP) client-to-server communication.
/// </summary>
/// <remarks>
/// <para>
/// The <see cref="IClientTransport"/> interface abstracts the communication layer between MCP clients
/// and servers, allowing different transport protocols to be used interchangeably.
/// </para>
/// <para>
/// When creating an <see cref="IMcpClient"/>, <see cref="McpClientFactory"/> is typically used, and is
/// provided with the <see cref="IClientTransport"/> based on expected server configuration.
/// </para>
/// </remarks>
public interface IClientTransport
{
/// <summary>
/// Gets a transport identifier, used for logging purposes.
/// </summary>
string Name { get; }
/// <summary>
/// Asynchronously establishes a transport session with an MCP server and returns a transport for the duplex message stream.
/// </summary>
/// <param name="cancellationToken">The <see cref="CancellationToken"/> to monitor for cancellation requests. The default is <see cref="CancellationToken.None"/>.</param>
/// <returns>Returns an interface for the duplex message stream.</returns>
/// <remarks>
/// <para>
/// This method is responsible for initializing the connection to the server using the specific transport
/// mechanism implemented by the derived class. The returned <see cref="ITransport"/> interface
/// provides methods to send and receive messages over the established connection.
/// </para>
/// <para>
/// The lifetime of the returned <see cref="ITransport"/> instance is typically managed by the
/// <see cref="McpClient"/> that uses this transport. When the client is disposed, it will dispose
/// the transport session as well.
/// </para>
/// <para>
/// This method is used by <see cref="McpClientFactory"/> to initialize the connection.
/// </para>
/// </remarks>
/// <exception cref="InvalidOperationException">The transport connection could not be established.</exception>
Task<ITransport> ConnectAsync(CancellationToken cancellationToken = default);
}