diff --git a/packages/core/src/tools/monitor.ts b/packages/core/src/tools/monitor.ts
index 8dedf11c78d..1311d804013 100644
--- a/packages/core/src/tools/monitor.ts
+++ b/packages/core/src/tools/monitor.ts
@@ -677,6 +677,11 @@ export class MonitorTool extends BaseDeclarativeTool<
         required: ['command'],
         additionalProperties: false,
       },
+      true, // isOutputMarkdown
+      false, // canUpdateOutput
+      true, // shouldDefer — monitoring is infrequent
+      false, // alwaysLoad
+      'monitor watch tail log stream background',
     );
   }
 
diff --git a/packages/core/src/tools/send-message.ts b/packages/core/src/tools/send-message.ts
index 64697bb464f..62a3b978805 100644
--- a/packages/core/src/tools/send-message.ts
+++ b/packages/core/src/tools/send-message.ts
@@ -129,6 +129,11 @@ export class SendMessageTool extends BaseDeclarativeTool<
         required: ['task_id', 'message'],
         additionalProperties: false,
       },
+      true, // isOutputMarkdown
+      false, // canUpdateOutput
+      true, // shouldDefer — sending messages to tasks is infrequent
+      false, // alwaysLoad
+      'send message task communicate notify',
     );
   }
 
diff --git a/packages/core/src/tools/task-stop.ts b/packages/core/src/tools/task-stop.ts
index bbe75806258..b51e4ebbaf1 100644
--- a/packages/core/src/tools/task-stop.ts
+++ b/packages/core/src/tools/task-stop.ts
@@ -247,6 +247,11 @@ export class TaskStopTool extends BaseDeclarativeTool<
         required: ['task_id'],
         additionalProperties: false,
       },
+      true, // isOutputMarkdown
+      false, // canUpdateOutput
+      true, // shouldDefer — stopping tasks is infrequent
+      false, // alwaysLoad
+      'task stop cancel kill background',
     );
   }
 
diff --git a/packages/core/src/tools/web-fetch.ts b/packages/core/src/tools/web-fetch.ts
index 30bdef4c0d1..8e7b3cc139a 100644
--- a/packages/core/src/tools/web-fetch.ts
+++ b/packages/core/src/tools/web-fetch.ts
@@ -289,6 +289,11 @@ export class WebFetchTool extends BaseDeclarativeTool<
         required: ['url', 'prompt'],
         type: 'object',
       },
+      true, // isOutputMarkdown
+      false, // canUpdateOutput
+      true, // shouldDefer — web fetching is infrequent
+      false, // alwaysLoad
+      'web fetch url http download content',
     );
   }