Class McpAppsBuilderExtensions

Namespace: ModelContextProtocol.Extensions.Apps

Assembly: ModelContextProtocol.Extensions.Apps.dll

Extension methods for IMcpServerBuilder to enable MCP Apps support.

[Experimental("MCPEXP003", UrlFormat = "https://github.com/modelcontextprotocol/csharp-sdk/blob/main/docs/list-of-diagnostics.md#mcpexp003")]
public static class McpAppsBuilderExtensions

Inheritance: object

McpAppsBuilderExtensions

Inherited Members: object.Equals(object)

object.Equals(object, object)

object.GetHashCode()

object.GetType()

object.MemberwiseClone()

object.ReferenceEquals(object, object)

object.ToString()

Methods

WithMcpApps(IMcpServerBuilder)

Enables MCP Apps support by automatically processing McpAppUiAttribute on registered tools.

public static IMcpServerBuilder WithMcpApps(this IMcpServerBuilder builder)

Parameters

builder IMcpServerBuilder: The server builder.

Returns

IMcpServerBuilder: The builder provided in builder.

Examples

builder.Services
    .AddMcpServer()
    .WithTools<MyToolType>()
    .WithMcpApps();

Remarks

Call this method after registering tools (e.g., after WithTools<T>()) to automatically apply McpAppUiAttribute metadata to the tool's _meta.ui field.

Tools that already have a ui key in their Meta (e.g., set explicitly via Meta) are not modified.