diff --git a/openhands/automation/presets/plugin/sdk_main.py b/openhands/automation/presets/plugin/sdk_main.py
index 2f50b92..69c30de 100644
--- a/openhands/automation/presets/plugin/sdk_main.py
+++ b/openhands/automation/presets/plugin/sdk_main.py
@@ -54,7 +54,11 @@
   AUTOMATION_CALLBACK_URL    - completion callback endpoint (optional)
   AUTOMATION_RUN_ID          - run ID for the callback payload (optional)
   AUTOMATION_EVENT_PAYLOAD   - JSON with trigger info and event payload (optional)
-  AUTOMATION_MODEL   - model profile name to load instead of default (optional)
+  AUTOMATION_MODEL           - model profile name to load instead of default (optional)
+
+Runtime-injected secrets (via conversation.update_secrets after Conversation creation):
+  AUTOMATION_SESSION_URL     - direct URL to this conversation in the OpenHands UI
+                               (Cloud mode only; built from conversation.id)
 
 """
 
@@ -337,11 +341,18 @@ def event_callback(event) -> None:
     print(f"  conversation created: {type(conversation).__name__}")
     print(f"  plugins loaded: {len(plugin_sources)}")
 
-    # Inject secrets into the conversation (as LookupSecret references)
+    # Inject secrets into the conversation (auto-exported as env vars in bash)
     if secrets:
         conversation.update_secrets(secrets)
         print(f"  injected {len(secrets)} secrets into conversation")
 
+    # Build session URL from conversation ID and inject as a secret so
+    # the agent can use $AUTOMATION_SESSION_URL in bash commands.
+    if not IS_LOCAL_MODE and api_url:
+        session_url = f"{api_url}/conversations/{conversation.id}"
+        conversation.update_secrets({"AUTOMATION_SESSION_URL": session_url})
+        print(f"  session URL: {session_url}")
+
     try:
         print(f"  sending prompt: {USER_PROMPT[:80]}...")
         conversation.send_message(USER_PROMPT)
diff --git a/openhands/automation/presets/prompt/sdk_main.py b/openhands/automation/presets/prompt/sdk_main.py
index 06561e2..c19ea35 100644
--- a/openhands/automation/presets/prompt/sdk_main.py
+++ b/openhands/automation/presets/prompt/sdk_main.py
@@ -58,7 +58,11 @@
   AUTOMATION_CALLBACK_URL    - completion callback endpoint (optional)
   AUTOMATION_RUN_ID          - run ID for the callback payload (optional)
   AUTOMATION_EVENT_PAYLOAD   - JSON with trigger info and event payload (optional)
-  AUTOMATION_MODEL   - model profile name to load instead of default (optional)
+  AUTOMATION_MODEL           - model profile name to load instead of default (optional)
+
+Runtime-injected secrets (via conversation.update_secrets after Conversation creation):
+  AUTOMATION_SESSION_URL     - direct URL to this conversation in the OpenHands UI
+                               (Cloud mode only; built from conversation.id)
 
 """
 
@@ -326,11 +330,18 @@ def event_callback(event) -> None:
     assert isinstance(conversation, RemoteConversation)
     print(f"  conversation created: {type(conversation).__name__}")
 
-    # Inject secrets into the conversation (as LookupSecret references)
+    # Inject secrets into the conversation (auto-exported as env vars in bash)
     if secrets:
         conversation.update_secrets(secrets)
         print(f"  injected {len(secrets)} secrets into conversation")
 
+    # Build session URL from conversation ID and inject as a secret so
+    # the agent can use $AUTOMATION_SESSION_URL in bash commands.
+    if not IS_LOCAL_MODE and api_url:
+        session_url = f"{api_url}/conversations/{conversation.id}"
+        conversation.update_secrets({"AUTOMATION_SESSION_URL": session_url})
+        print(f"  session URL: {session_url}")
+
     try:
         print(f"  sending prompt: {USER_PROMPT[:80]}...")
         conversation.send_message(USER_PROMPT)