diff --git a/gateway/platforms/base.py b/gateway/platforms/base.py
index 7b3147e21f4..96b56d29cc7 100644
--- a/gateway/platforms/base.py
+++ b/gateway/platforms/base.py
@@ -2014,6 +2014,13 @@ class BasePlatformAdapter(ABC):
             text = f"{caption}\n{text}"
         return await self.send(chat_id=chat_id, content=text, reply_to=reply_to, metadata=metadata)
 
+    def prepare_tts_text(self, text: str) -> str:
+        """Prepare text for TTS. Override to filter tool output, code, etc.
+
+        Default strips markdown formatting and truncates to 4000 chars.
+        """
+        return re.sub(r'[*_`#\[\]()]', '', text)[:4000].strip()
+
     async def play_tts(
         self,
         chat_id: str,
@@ -3144,7 +3151,7 @@ class BasePlatformAdapter(ABC):
                         from tools.tts_tool import text_to_speech_tool, check_tts_requirements
                         if check_tts_requirements():
                             import json as _json
-                            speech_text = re.sub(r'[*_`#\[\]()]', '', text_content)[:4000].strip()
+                            speech_text = self.prepare_tts_text(text_content)
                             if not speech_text:
                                 raise ValueError("Empty text after markdown cleanup")
                             tts_result_str = await asyncio.to_thread(