MCP Apps ontoolresult - Tool Execution Result

import { App } from "@modelcontextprotocol/ext-apps";

app.ontoolresult = (params) => void;

const app = new App({ name: "MyApp", version: "1.0.0" });

app.ontoolresult = (params) => {
  if (params.isError) {
    console.error("Tool failed:", params.content);
    showErrorBanner(params.content);
  } else {
    console.log("Tool output:", params.content);
    console.log("Structured data:", params.structuredContent);
  }
};

await app.connect();

app.ontoolresult = (params) => {
  if (params.isError) {
    renderError(params.content);
    return;
  }

  const data = params.structuredContent as {
    rows: Array<Record<string, string>>;
    columns: string[];
  };

  if (data) {
    renderTable(data.columns, data.rows);
  } else {
    renderTextContent(params.content);
  }
};

import { useToolData } from "sunpeak";

function MyComponent() {
  const toolData = useToolData();
  // toolData.result contains the tool execution result
  // toolData.isError indicates whether the tool failed
}