Add RequestOptions parameter to McpClientPrompt.GetAsync, McpClientResource.ReadAsync, and McpClientResourceTemplate.ReadAsync

Co-authored-by: stephentoub <[email protected]>

Author: Copilot

src/ModelContextProtocol.Core/Client/McpClientPrompt.cs

@@ -1,5 +1,4 @@
 using ModelContextProtocol.Protocol;
-using System.Text.Json;
 
 namespace ModelContextProtocol.Client;
 
@@ -74,7 +73,7 @@ public McpClientPrompt(McpClient client, Prompt prompt)
     /// Gets this prompt's content by sending a request to the server with optional arguments.
     /// </summary>
     /// <param name="arguments">Optional arguments to pass to the prompt. Keys are parameter names, and values are the argument values.</param>
-    /// <param name="serializerOptions">The serialization options governing argument serialization.</param>
+    /// <param name="options">Optional request options including metadata, serialization settings, and progress tracking.</param>
     /// <param name="cancellationToken">The <see cref="CancellationToken"/> to monitor for cancellation requests. The default is <see cref="CancellationToken.None"/>.</param>
     /// <returns>A <see cref="ValueTask"/> containing the prompt's result with content and messages.</returns>
     /// <exception cref="McpException">The request failed or the server returned an error response.</exception>
@@ -91,13 +90,13 @@ public McpClientPrompt(McpClient client, Prompt prompt)
     /// </remarks>
     public async ValueTask<GetPromptResult> GetAsync(
         IEnumerable<KeyValuePair<string, object?>>? arguments = null,
-        JsonSerializerOptions? serializerOptions = null,
+        RequestOptions? options = null,
         CancellationToken cancellationToken = default)
     {
         IReadOnlyDictionary<string, object?>? argDict =
             arguments as IReadOnlyDictionary<string, object?> ??
             arguments?.ToDictionary();
 
-        return await _client.GetPromptAsync(ProtocolPrompt.Name, argDict, new RequestOptions() { JsonSerializerOptions = serializerOptions }, cancellationToken).ConfigureAwait(false);
+        return await _client.GetPromptAsync(ProtocolPrompt.Name, argDict, options, cancellationToken).ConfigureAwait(false);
     }
 }

src/ModelContextProtocol.Core/Client/McpClientResource.cs

@@ -74,6 +74,7 @@ public McpClientResource(McpClient client, Resource resource)
     /// <summary>
     /// Gets this resource's content by sending a request to the server.
     /// </summary>
+    /// <param name="options">Optional request options including metadata, serialization settings, and progress tracking.</param>
     /// <param name="cancellationToken">The <see cref="CancellationToken"/> to monitor for cancellation requests. The default is <see cref="CancellationToken.None"/>.</param>
     /// <returns>A <see cref="ValueTask{ReadResourceResult}"/> containing the resource's result with content and messages.</returns>
     /// <exception cref="McpException">The request failed or the server returned an error response.</exception>
@@ -83,6 +84,7 @@ public McpClientResource(McpClient client, Resource resource)
     /// </para>
     /// </remarks>
     public ValueTask<ReadResourceResult> ReadAsync(
+        RequestOptions? options = null,
         CancellationToken cancellationToken = default) =>
-        _client.ReadResourceAsync(Uri, cancellationToken: cancellationToken);
+        _client.ReadResourceAsync(Uri, options, cancellationToken);
 }

src/ModelContextProtocol.Core/Client/McpClientResourceTemplate.cs

@@ -78,11 +78,13 @@ public McpClientResourceTemplate(McpClient client, ResourceTemplate resourceTemp
     /// <param name="arguments">A dictionary of arguments to pass to the tool. Each key represents a parameter name,
     /// and its associated value represents the argument value.
     /// </param>
+    /// <param name="options">Optional request options including metadata, serialization settings, and progress tracking.</param>
     /// <param name="cancellationToken">The <see cref="CancellationToken"/> to monitor for cancellation requests. The default is <see cref="CancellationToken.None"/>.</param>
     /// <returns>A <see cref="ValueTask{ReadResourceResult}"/> containing the resource template's result with content and messages.</returns>
     /// <exception cref="McpException">The request failed or the server returned an error response.</exception>
     public ValueTask<ReadResourceResult> ReadAsync(
         IReadOnlyDictionary<string, object?> arguments,
+        RequestOptions? options = null,
         CancellationToken cancellationToken = default) =>
-        _client.ReadResourceAsync(UriTemplate, arguments, cancellationToken: cancellationToken);
+        _client.ReadResourceAsync(UriTemplate, arguments, options, cancellationToken);
 }