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Add middleware and authz support for server-side handlers (#733)

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Stephen Halter 2025-09-10 10:07:45 -07:00 • committed by GitHub
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24
src/ModelContextProtocol/McpServerHandlers.cs
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@ -40,7 +40,7 @@ public sealed class McpServerHandlers
/// Tools from both sources will be combined when returning results to clients.
/// </para>
/// </remarks>
public Func<RequestContext<ListToolsRequestParams>, CancellationToken, ValueTask<ListToolsResult>>? ListToolsHandler { get; set; }
public McpRequestHandler<ListToolsRequestParams, ListToolsResult>? ListToolsHandler { get; set; }
/// <summary>
/// Gets or sets the handler for <see cref="RequestMethods.ToolsCall"/> requests.
@ -49,7 +49,7 @@ public sealed class McpServerHandlers
/// This handler is invoked when a client makes a call to a tool that isn't found in the <see cref="McpServerTool"/> collection.
/// The handler should implement logic to execute the requested tool and return appropriate results.
/// </remarks>
public Func<RequestContext<CallToolRequestParams>, CancellationToken, ValueTask<CallToolResult>>? CallToolHandler { get; set; }
public McpRequestHandler<CallToolRequestParams, CallToolResult>? CallToolHandler { get; set; }
/// <summary>
/// Gets or sets the handler for <see cref="RequestMethods.PromptsList"/> requests.
@ -65,7 +65,7 @@ public sealed class McpServerHandlers
/// Prompts from both sources will be combined when returning results to clients.
/// </para>
/// </remarks>
public Func<RequestContext<ListPromptsRequestParams>, CancellationToken, ValueTask<ListPromptsResult>>? ListPromptsHandler { get; set; }
public McpRequestHandler<ListPromptsRequestParams, ListPromptsResult>? ListPromptsHandler { get; set; }
/// <summary>
/// Gets or sets the handler for <see cref="RequestMethods.PromptsGet"/> requests.
@ -74,7 +74,7 @@ public sealed class McpServerHandlers
/// This handler is invoked when a client requests details for a specific prompt that isn't found in the <see cref="McpServerPrompt"/> collection.
/// The handler should implement logic to fetch or generate the requested prompt and return appropriate results.
/// </remarks>
public Func<RequestContext<GetPromptRequestParams>, CancellationToken, ValueTask<GetPromptResult>>? GetPromptHandler { get; set; }
public McpRequestHandler<GetPromptRequestParams, GetPromptResult>? GetPromptHandler { get; set; }
/// <summary>
/// Gets or sets the handler for <see cref="RequestMethods.ResourcesTemplatesList"/> requests.
@ -84,7 +84,7 @@ public sealed class McpServerHandlers
/// It supports pagination through the cursor mechanism, where the client can make
/// repeated calls with the cursor returned by the previous call to retrieve more resource templates.
/// </remarks>
public Func<RequestContext<ListResourceTemplatesRequestParams>, CancellationToken, ValueTask<ListResourceTemplatesResult>>? ListResourceTemplatesHandler { get; set; }
public McpRequestHandler<ListResourceTemplatesRequestParams, ListResourceTemplatesResult>? ListResourceTemplatesHandler { get; set; }
/// <summary>
/// Gets or sets the handler for <see cref="RequestMethods.ResourcesList"/> requests.
@ -94,7 +94,7 @@ public sealed class McpServerHandlers
/// It supports pagination through the cursor mechanism, where the client can make
/// repeated calls with the cursor returned by the previous call to retrieve more resources.
/// </remarks>
public Func<RequestContext<ListResourcesRequestParams>, CancellationToken, ValueTask<ListResourcesResult>>? ListResourcesHandler { get; set; }
public McpRequestHandler<ListResourcesRequestParams, ListResourcesResult>? ListResourcesHandler { get; set; }
/// <summary>
/// Gets or sets the handler for <see cref="RequestMethods.ResourcesRead"/> requests.
@ -103,17 +103,17 @@ public sealed class McpServerHandlers
/// This handler is invoked when a client requests the content of a specific resource identified by its URI.
/// The handler should implement logic to locate and retrieve the requested resource.
/// </remarks>
public Func<RequestContext<ReadResourceRequestParams>, CancellationToken, ValueTask<ReadResourceResult>>? ReadResourceHandler { get; set; }
public McpRequestHandler<ReadResourceRequestParams, ReadResourceResult>? ReadResourceHandler { get; set; }
/// <summary>
/// Gets or sets the handler for <see cref="RequestMethods.CompletionComplete"/> requests.
/// </summary>
/// <remarks>
/// This handler provides auto-completion suggestions for prompt arguments or resource references in the Model Context Protocol.
/// The handler processes auto-completion requests, returning a list of suggestions based on the
/// The handler processes auto-completion requests, returning a list of suggestions based on the
/// reference type and current argument value.
/// </remarks>
public Func<RequestContext<CompleteRequestParams>, CancellationToken, ValueTask<CompleteResult>>? CompleteHandler { get; set; }
public McpRequestHandler<CompleteRequestParams, CompleteResult>? CompleteHandler { get; set; }
/// <summary>
/// Gets or sets the handler for <see cref="RequestMethods.ResourcesSubscribe"/> requests.
@ -129,7 +129,7 @@ public sealed class McpServerHandlers
/// whenever a relevant resource is created, updated, or deleted.
/// </para>
/// </remarks>
public Func<RequestContext<SubscribeRequestParams>, CancellationToken, ValueTask<EmptyResult>>? SubscribeToResourcesHandler { get; set; }
public McpRequestHandler<SubscribeRequestParams, EmptyResult>? SubscribeToResourcesHandler { get; set; }
/// <summary>
/// Gets or sets the handler for <see cref="RequestMethods.ResourcesUnsubscribe"/> requests.
@ -145,7 +145,7 @@ public sealed class McpServerHandlers
/// to the client for the specified resources.
/// </para>
/// </remarks>
public Func<RequestContext<UnsubscribeRequestParams>, CancellationToken, ValueTask<EmptyResult>>? UnsubscribeFromResourcesHandler { get; set; }
public McpRequestHandler<UnsubscribeRequestParams, EmptyResult>? UnsubscribeFromResourcesHandler { get; set; }
/// <summary>
/// Gets or sets the handler for <see cref="RequestMethods.LoggingSetLevel"/> requests.
@ -160,7 +160,7 @@ public sealed class McpServerHandlers
/// at or above the specified level to the client as notifications/message notifications.
/// </para>
/// </remarks>
public Func<RequestContext<SetLevelRequestParams>, CancellationToken, ValueTask<EmptyResult>>? SetLoggingLevelHandler { get; set; }
public McpRequestHandler<SetLevelRequestParams, EmptyResult>? SetLoggingLevelHandler { get; set; }
/// <summary>
/// Overwrite any handlers in McpServerOptions with non-null handlers from this instance.