diff --git a/src/gui_2.py b/src/gui_2.py
index 89f26cb8..e867087a 100644
--- a/src/gui_2.py
+++ b/src/gui_2.py
@@ -5875,7 +5875,7 @@ def render_external_tools_panel(app: App) -> None:
     imgui.table_next_column()
     imgui.text(tinfo.get('server', 'unknown'))
     imgui.table_next_column()
-    imgui.text(tinfo.get('description', ''))
+    imgui.text(ToolDefinition.from_dict(tinfo).description if isinstance(tinfo, dict) else tinfo.description)
    imgui.end_table()
  if app.perf_profiling_enabled: app.perf_monitor.end_component("_render_external_tools_panel")
 
diff --git a/src/mcp_client.py b/src/mcp_client.py
index 4b036319..cd1dfe1b 100644
--- a/src/mcp_client.py
+++ b/src/mcp_client.py
@@ -1965,9 +1965,11 @@ def get_tool_schemas() -> list[dict[str, Any]]:
  res = [t.to_dict() for t in mcp_tool_specs.get_tool_schemas()]
  manager = get_external_mcp_manager()
  for tname, tinfo in manager.get_all_tools().items():
+  from src.type_aliases import ToolDefinition as _TD
+  td = _TD.from_dict(tinfo) if isinstance(tinfo, dict) else tinfo
   res.append({
    'name': tname,
-   'description': tinfo.get('description', ''),
+   'description': td.description,
    'parameters': tinfo.get('inputSchema', {'type': 'object', 'properties': {}})
   })
  return res