Function toMcpOutputResult

packages/hosts/mcp/src/tool-server.ts:570–594

(
  result: FormattedExecuteInput,
  output: readonly ExecuteOutputItem[],
)

};

const toMcpOutputResult = (
  result: FormattedExecuteInput,
  output: readonly ExecuteOutputItem[],
): McpToolResult => {
  const formatted = formatExecuteResult(result);
  const content = output.flatMap(outputItemContent);
  const extraText: string[] = [];
  if (result.error) {
    extraText.push(formatted.text);
  } else if (result.result != null) {
    // A script may both emit() and return: keep the returned value in the
    // content channel too, or clients that ignore structuredContent drop it.
    // formatted.text already renders the return value plus any logs.
    extraText.push(formatted.text);
  } else if (result.logs && result.logs.length > 0) {
    extraText.push(`Logs:\n${result.logs.join("\n")}`);
  }
  content.push(...extraText.map((text): ContentBlock => ({ type: "text", text })));

  return {
    content,
    structuredContent: formatted.structured,
    isError: formatted.isError || undefined,
  };
};

const toMcpResult = (result: FormattedExecuteInput): McpToolResult => {
  if (result.output && result.output.length > 0) return toMcpOutputResult(result, result.output);