Function hasValidMetaPrefix

client/src/utils/metaUtils.ts:129–136

(key: string)

 * @see https://modelcontextprotocol.io/specification/2025-06-18/basic/index#meta
 */
export const hasValidMetaPrefix = (key: string): boolean => {
  const prefixSegment = getPrefixSegment(key);
  if (prefixSegment === null) {
    return true;
  }

  return splitLabels(prefixSegment) !== null;
};

const extractMetaName = (key: string): string => {
  const trimmedKey = key.trim();