diff --git a/docs/quickstart/clients.mdx b/docs/quickstart/clients.mdx
index 62b7e02d5..9c3ccad6c 100644
--- a/docs/quickstart/clients.mdx
+++ b/docs/quickstart/clients.mdx
@@ -145,7 +145,7 @@ export const agent = new MastraAgent({
   agent: new Agent({
     name: "AG-UI Assistant",
     instructions: `
-      You are a helpful AI assistant. Be friendly, conversational, and helpful. 
+      You are a helpful AI assistant. Be friendly, conversational, and helpful.
       Answer questions to the best of your ability and engage in natural conversation.
     `,
     model: openai("gpt-4o"),
@@ -175,7 +175,7 @@ Now let's create the interactive chat interface. Create `src/index.ts`:
 ```typescript
 import * as readline from "readline"
 import { agent } from "./agent"
-import { randomUUID } from "node:crypto"
+import { randomUUID } from "@ag-ui/client"
 
 const rl = readline.createInterface({
   input: process.stdin,
diff --git a/typescript-sdk/apps/client-cli-example/src/index.ts b/typescript-sdk/apps/client-cli-example/src/index.ts
index e2a9c60c0..212fdcba5 100644
--- a/typescript-sdk/apps/client-cli-example/src/index.ts
+++ b/typescript-sdk/apps/client-cli-example/src/index.ts
@@ -1,6 +1,6 @@
 import * as readline from "readline";
 import { agent } from "./agent";
-import { randomUUID } from "node:crypto";
+import { randomUUID } from "@ag-ui/client";
 
 const rl = readline.createInterface({
   input: process.stdin,
diff --git a/typescript-sdk/integrations/a2a-middleware/src/index.ts b/typescript-sdk/integrations/a2a-middleware/src/index.ts
index 0bf425046..7e5b90e16 100644
--- a/typescript-sdk/integrations/a2a-middleware/src/index.ts
+++ b/typescript-sdk/integrations/a2a-middleware/src/index.ts
@@ -19,7 +19,7 @@ import { A2AClient } from "@a2a-js/sdk/client";
 import { AgentCard, SendMessageResponse, SendMessageSuccessResponse } from "@a2a-js/sdk";
 import { Observable, Subscriber, tap } from "rxjs";
 import { createSystemPrompt, sendMessageToA2AAgentTool } from "./utils";
-import { randomUUID } from "crypto";
+import { randomUUID } from "@ag-ui/client";
 
 export interface A2AAgentConfig extends AgentConfig {
   agentUrls: string[];
diff --git a/typescript-sdk/integrations/langgraph/src/agent.ts b/typescript-sdk/integrations/langgraph/src/agent.ts
index 64025084f..fd67cb190 100644
--- a/typescript-sdk/integrations/langgraph/src/agent.ts
+++ b/typescript-sdk/integrations/langgraph/src/agent.ts
@@ -11,7 +11,7 @@ import {
   Interrupt,
   Thread,
 } from "@langchain/langgraph-sdk";
-import { randomUUID } from "node:crypto";
+import { randomUUID } from "@ag-ui/client";
 import {
   LangGraphPlatformMessage,
   CustomEventNames,
@@ -960,7 +960,7 @@ export class LangGraphAgent extends AbstractAgent {
     if (!retrievedAssistant) {
       console.error(`
       No agent found with graph ID ${this.graphId} found..\n
-      
+
       These are the available agents: [${assistants.map((a) => `${a.graph_id} (ID: ${a.assistant_id})`).join(", ")}]
       `);
       throw new Error("No agent id found");
diff --git a/typescript-sdk/integrations/mastra/src/mastra.ts b/typescript-sdk/integrations/mastra/src/mastra.ts
index a3e6816de..63aab3f86 100644
--- a/typescript-sdk/integrations/mastra/src/mastra.ts
+++ b/typescript-sdk/integrations/mastra/src/mastra.ts
@@ -15,7 +15,7 @@ import { AbstractAgent, EventType } from "@ag-ui/client";
 import type { StorageThreadType } from "@mastra/core";
 import { Agent as LocalMastraAgent } from "@mastra/core/agent";
 import { RuntimeContext } from "@mastra/core/runtime-context";
-import { randomUUID } from "crypto";
+import { randomUUID } from "@ag-ui/client";
 import { Observable } from "rxjs";
 import { MastraClient } from "@mastra/client-js";
 type RemoteMastraAgent = ReturnType<MastraClient["getAgent"]>;
diff --git a/typescript-sdk/integrations/vercel-ai-sdk/src/index.ts b/typescript-sdk/integrations/vercel-ai-sdk/src/index.ts
index 2443892b1..e2d3436c4 100644
--- a/typescript-sdk/integrations/vercel-ai-sdk/src/index.ts
+++ b/typescript-sdk/integrations/vercel-ai-sdk/src/index.ts
@@ -26,7 +26,7 @@ import {
   ToolChoice,
   ToolSet,
 } from "ai";
-import { randomUUID } from "crypto";
+import { randomUUID } from "@ag-ui/client";
 import { z } from "zod";
 
 type ProcessedEvent =
diff --git a/typescript-sdk/packages/client/src/index.ts b/typescript-sdk/packages/client/src/index.ts
index 6aa4a1afb..aa4a0a5ef 100644
--- a/typescript-sdk/packages/client/src/index.ts
+++ b/typescript-sdk/packages/client/src/index.ts
@@ -4,5 +4,6 @@ export * from "./transform";
 export * from "./run";
 export * from "./legacy";
 export * from "./agent";
+export * from "./utils";
 export * from "@ag-ui/core";
 export * from "./chunks";
diff --git a/typescript-sdk/packages/client/src/utils.ts b/typescript-sdk/packages/client/src/utils.ts
index f129f3493..7c03e8064 100644
--- a/typescript-sdk/packages/client/src/utils.ts
+++ b/typescript-sdk/packages/client/src/utils.ts
@@ -1,3 +1,5 @@
+import { v4 as uuidv4 } from 'uuid';
+
 export const structuredClone_ = <T>(obj: T): T => {
   if (typeof structuredClone === "function") {
     return structuredClone(obj);
@@ -9,3 +11,11 @@ export const structuredClone_ = <T>(obj: T): T => {
     return { ...obj } as T;
   }
 };
+
+/**
+ * Generate a random UUID v4
+ * Cross-platform compatible (Node.js, browsers, React Native)
+ */
+export function randomUUID(): string {
+  return uuidv4();
+}