Class DelegatingMcpServerTool

Namespace

ModelContextProtocol.Server

Assembly

ModelContextProtocol.Core.dll

Provides an McpServerTool that delegates all operations to an inner McpServerTool.

public abstract class DelegatingMcpServerTool : McpServerTool, IMcpServerPrimitive

Inheritance

object

McpServerTool

DelegatingMcpServerTool

Implements

IMcpServerPrimitive

Inherited Members

McpServerTool.Metadata

McpServerTool.Create(Delegate, McpServerToolCreateOptions)

McpServerTool.Create(MethodInfo, object, McpServerToolCreateOptions)

McpServerTool.Create(MethodInfo, Func<RequestContext<CallToolRequestParams>, object>, McpServerToolCreateOptions)

McpServerTool.Create(AIFunction, McpServerToolCreateOptions)

object.Equals(object)

object.Equals(object, object)

object.GetHashCode()

object.GetType()

object.MemberwiseClone()

object.ReferenceEquals(object, object)

Remarks

This is recommended as a base type when building tools that can be chained around an underlying McpServerTool. The default implementation simply passes each call to the inner tool instance.

Constructors

DelegatingMcpServerTool(McpServerTool)

Initializes a new instance of the DelegatingMcpServerTool class around the specified innerTool.

protected DelegatingMcpServerTool(McpServerTool innerTool)

Parameters

innerTool McpServerTool

The inner tool wrapped by this delegating tool.

Properties

ProtocolTool

Gets the protocol Tool type for this instance.

public override Tool ProtocolTool { get; }

Property Value

Tool

Methods

InvokeAsync(RequestContext<CallToolRequestParams>, CancellationToken)

Invokes the McpServerTool.

public override ValueTask<CallToolResult> InvokeAsync(RequestContext<CallToolRequestParams> request, CancellationToken cancellationToken = default)

Parameters

request RequestContext<CallToolRequestParams>

The request information resulting in the invocation of this tool.

cancellationToken CancellationToken

The CancellationToken to monitor for cancellation requests. The default is None.

Returns

ValueTask<CallToolResult>

The call response from invoking the tool.

Exceptions

ArgumentNullException

request is null.

ToString()

Returns a string that represents the current object.

public override string ToString()

Returns

string

A string that represents the current object.