diff --git a/client/src/lib/auth.ts b/client/src/lib/auth.ts
index ba610bc..72d194e 100644
--- a/client/src/lib/auth.ts
+++ b/client/src/lib/auth.ts
@@ -68,6 +68,12 @@ class InspectorOAuthClientProvider implements OAuthClientProvider {
 
     return verifier;
   }
+
+  clear() {
+    sessionStorage.removeItem(SESSION_KEYS.CLIENT_INFORMATION);
+    sessionStorage.removeItem(SESSION_KEYS.TOKENS);
+    sessionStorage.removeItem(SESSION_KEYS.CODE_VERIFIER);
+  }
 }
 
 export const authProvider = new InspectorOAuthClientProvider();
diff --git a/client/src/lib/hooks/useConnection.ts b/client/src/lib/hooks/useConnection.ts
index bff01ce..667da77 100644
--- a/client/src/lib/hooks/useConnection.ts
+++ b/client/src/lib/hooks/useConnection.ts
@@ -361,6 +361,7 @@ export function useConnection({
 
   const disconnect = async () => {
     await mcpClient?.close();
+    authProvider.clear();
     setMcpClient(null);
     setConnectionStatus("disconnected");
     setCompletionsSupported(false);