diff --git a/crates/assistant_tools/src/fetch_tool.rs b/crates/assistant_tools/src/fetch_tool.rs
index c8fa600e83..54d49359ba 100644
--- a/crates/assistant_tools/src/fetch_tool.rs
+++ b/crates/assistant_tools/src/fetch_tool.rs
@@ -69,10 +69,9 @@ impl FetchTool {
             .to_str()
             .context("invalid Content-Type header")?;
         let content_type = match content_type {
-            "text/html" => ContentType::Html,
-            "text/plain" => ContentType::Plaintext,
+            "text/html" | "application/xhtml+xml" => ContentType::Html,
             "application/json" => ContentType::Json,
-            _ => ContentType::Html,
+            _ => ContentType::Plaintext,
         };
 
         match content_type {
diff --git a/crates/html_to_markdown/src/markdown_writer.rs b/crates/html_to_markdown/src/markdown_writer.rs
index a9caf7afa7..c32205ae7b 100644
--- a/crates/html_to_markdown/src/markdown_writer.rs
+++ b/crates/html_to_markdown/src/markdown_writer.rs
@@ -119,8 +119,10 @@ impl MarkdownWriter {
                 .push_back(current_element.clone());
         }
 
-        for child in node.children.borrow().iter() {
-            self.visit_node(child, handlers)?;
+        if self.current_element_stack.len() < 200 {
+            for child in node.children.borrow().iter() {
+                self.visit_node(child, handlers)?;
+            }
         }
 
         if let Some(current_element) = current_element {