From 1d57f4c93869a20ec9d54f52cd595eae58590f03 Mon Sep 17 00:00:00 2001
From: Matthew Zhou <mattzh1314@gmail.com>
Date: Mon, 7 Apr 2025 10:39:45 -0700
Subject: [PATCH] feat: Strip out thinking XML from persisted messages (#1596)

---
 letta/interfaces/anthropic_streaming_interface.py | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/letta/interfaces/anthropic_streaming_interface.py b/letta/interfaces/anthropic_streaming_interface.py
index fc0741b9..84178932 100644
--- a/letta/interfaces/anthropic_streaming_interface.py
+++ b/letta/interfaces/anthropic_streaming_interface.py
@@ -320,4 +320,10 @@ class AnthropicStreamingInterface:
         if current_group:
             merged.append(_process_group(current_group, current_group_type))
 
+        # Strip out XML from any text content fields
+        for content in merged:
+            if isinstance(content, TextContent) and content.text.endswith("</thinking>"):
+                cutoff = len(content.text) - len("</thinking>")
+                content.text = content.text[:cutoff]
+
         return merged