diff --git a/browser_use/agent/service.py b/browser_use/agent/service.py
index ba59ed171..7d586cce4 100644
--- a/browser_use/agent/service.py
+++ b/browser_use/agent/service.py
@@ -11,6 +11,7 @@ import time
 from collections.abc import Awaitable, Callable
 from pathlib import Path
 from typing import Any, Generic, TypeVar
+from urllib.parse import urlparse
 
 from dotenv import load_dotenv
 
@@ -1116,6 +1117,9 @@ class Agent(Generic[Context, AgentStructuredOutput]):
 				use_validation=self.settings.validate_output,
 				version=self.version,
 				source=self.source,
+				cdp_url=urlparse(self.browser_session.cdp_url).hostname
+				if self.browser_session and self.browser_session.cdp_url
+				else None,
 				action_errors=self.state.history.errors(),
 				action_history=action_history_data,
 				urls_visited=self.state.history.urls(),
diff --git a/browser_use/telemetry/views.py b/browser_use/telemetry/views.py
index c6c7a8046..bfce41ce7 100644
--- a/browser_use/telemetry/views.py
+++ b/browser_use/telemetry/views.py
@@ -29,6 +29,7 @@ class AgentTelemetryEvent(BaseTelemetryEvent):
 	use_validation: bool
 	version: str
 	source: str
+	cdp_url: str | None
 	# step details
 	action_errors: Sequence[str | None]
 	action_history: Sequence[list[dict] | None]