@modelcontextprotocol/ext-apps - v0.4.0
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    Interface McpUiInitializeRequest

    Initialization request sent from Guest UI to Host.

    app.App.connect for the method that sends this request

    interface McpUiInitializeRequest {
        method: "ui/initialize";
        params: {
            appCapabilities: McpUiAppCapabilities;
            appInfo: {
                description?: string;
                icons?: {
                    mimeType?: string;
                    sizes?: string[];
                    src: string;
                    theme?: "light" | "dark";
                }[];
                name: string;
                title?: string;
                version: string;
                websiteUrl?: string;
            };
            protocolVersion: string;
        };
    }
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    method params

    Properties

    method: "ui/initialize"
    params: {
        appCapabilities: McpUiAppCapabilities;
        appInfo: {
            description?: string;
            icons?: {
                mimeType?: string;
                sizes?: string[];
                src: string;
                theme?: "light" | "dark";
            }[];
            name: string;
            title?: string;
            version: string;
            websiteUrl?: string;
        };
        protocolVersion: string;
    }

    Type Declaration

    • appCapabilities: McpUiAppCapabilities

      Features and capabilities this app provides.

    • appInfo: {
          description?: string;
          icons?: {
              mimeType?: string;
              sizes?: string[];
              src: string;
              theme?: "light" | "dark";
          }[];
          name: string;
          title?: string;
          version: string;
          websiteUrl?: string;
      }

      App identification (name and version).

    • protocolVersion: string

      Protocol version this app supports.

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