diff --git a/client/src/lib/auth.ts b/client/src/lib/auth.ts
index 1c0c6b6..7ef3182 100644
--- a/client/src/lib/auth.ts
+++ b/client/src/lib/auth.ts
@@ -88,4 +88,16 @@ export class InspectorOAuthClientProvider implements OAuthClientProvider {
 
     return verifier;
   }
+
+  clear() {
+    sessionStorage.removeItem(
+      getServerSpecificKey(SESSION_KEYS.CLIENT_INFORMATION, this.serverUrl),
+    );
+    sessionStorage.removeItem(
+      getServerSpecificKey(SESSION_KEYS.TOKENS, this.serverUrl),
+    );
+    sessionStorage.removeItem(
+      getServerSpecificKey(SESSION_KEYS.CODE_VERIFIER, this.serverUrl),
+    );
+  }
 }
diff --git a/client/src/lib/hooks/useConnection.ts b/client/src/lib/hooks/useConnection.ts
index d1e958f..73f2e1c 100644
--- a/client/src/lib/hooks/useConnection.ts
+++ b/client/src/lib/hooks/useConnection.ts
@@ -396,6 +396,8 @@ export function useConnection({
 
   const disconnect = async () => {
     await mcpClient?.close();
+    const authProvider = new InspectorOAuthClientProvider(sseUrl);
+    authProvider.clear();
     setMcpClient(null);
     setConnectionStatus("disconnected");
     setCompletionsSupported(false);