diff --git a/src/react/types.ts b/src/react/types.ts
index b80df54..88edd7c 100644
--- a/src/react/types.ts
+++ b/src/react/types.ts
@@ -1,4 +1,4 @@
-import { Tool, Resource, ResourceTemplate, Prompt } from '@modelcontextprotocol/sdk/types.js'
+import { Tool, Resource, ResourceTemplate, Prompt, RequestOptions } from '@modelcontextprotocol/sdk/types.js'
 
 export type UseMcpOptions = {
   /** The /sse URL of your remote MCP server */
@@ -71,10 +71,11 @@ export type UseMcpResult = {
    * Function to call a tool on the MCP server.
    * @param name The name of the tool to call.
    * @param args Optional arguments for the tool.
+   * @param options Optional request options (e.g., timeout).
    * @returns A promise that resolves with the tool's result.
    * @throws If the client is not in the 'ready' state or the call fails.
    */
-  callTool: (name: string, args?: Record<string, unknown>) => Promise<any>
+  callTool: (name: string, args?: Record<string, unknown>, options?: RequestOptions) => Promise<any>
   /**
    * Function to list resources from the MCP server.
    * @returns A promise that resolves when resources are refreshed.
diff --git a/src/react/useMcp.ts b/src/react/useMcp.ts
index 697f74a..d408958 100644
--- a/src/react/useMcp.ts
+++ b/src/react/useMcp.ts
@@ -22,6 +22,7 @@ import { sanitizeUrl } from 'strict-url-sanitise'
 import { BrowserOAuthClientProvider } from '../auth/browser-provider.js' // Adjust path
 import { assert } from '../utils/assert.js' // Adjust path
 import type { UseMcpOptions, UseMcpResult } from './types.js' // Adjust path
+import type { RequestOptions } from '@modelcontextprotocol/sdk/types.js'
 import type { Transport } from '@modelcontextprotocol/sdk/shared/transport.js' // Added for type safety
 
 const DEFAULT_RECONNECT_DELAY = 3000
@@ -506,14 +507,14 @@ export function useMcp(options: UseMcpOptions): UseMcpResult {
 
   // callTool is stable (depends on stable addLog, failConnection, connect, and URL)
   const callTool = useCallback(
-    async (name: string, args?: Record<string, unknown>) => {
+    async (name: string, args?: Record<string, unknown>, options?: RequestOptions) => {
       // Use stateRef for check, state for throwing error message
       if (stateRef.current !== 'ready' || !clientRef.current) {
         throw new Error(`MCP client is not ready (current state: ${state}). Cannot call tool "${name}".`)
       }
       addLog('info', `Calling tool: ${name}`, args)
       try {
-        const result = await clientRef.current.request({ method: 'tools/call', params: { name, arguments: args } }, CallToolResultSchema)
+        const result = await clientRef.current.request({ method: 'tools/call', params: { name, arguments: args } }, CallToolResultSchema, options)
         addLog('info', `Tool "${name}" call successful:`, result)
         return result
       } catch (err) {