diff --git a/.changeset/bright-files-count.md b/.changeset/bright-files-count.md
new file mode 100644
index 00000000000..84e4aa4fa2b
--- /dev/null
+++ b/.changeset/bright-files-count.md
@@ -0,0 +1,5 @@
+---
+"kilo-code": patch
+---
+
+Show aggregate added and removed line counts for multi-file patch tool calls.
diff --git a/packages/kilo-ui/src/components/basic-tool.css b/packages/kilo-ui/src/components/basic-tool.css
index 3c67c36e2ad..a386323f999 100644
--- a/packages/kilo-ui/src/components/basic-tool.css
+++ b/packages/kilo-ui/src/components/basic-tool.css
@@ -238,6 +238,18 @@ html[data-theme="kilo-vscode"] [data-component="tool-part-wrapper"][data-part-ty
       color: var(--text-weak);
     }
 
+    [data-slot="message-part-tool-changes"] {
+      display: inline-flex;
+      align-items: baseline;
+      flex-shrink: 0;
+    }
+
+    [data-slot="basic-tool-tool-subtitle"] + [data-slot="message-part-tool-changes"]::before {
+      content: "·";
+      margin-right: 6px;
+      color: var(--text-weak);
+    }
+
     [data-slot="basic-tool-tool-title"],
     [data-slot="basic-tool-tool-subtitle"],
     [data-slot="basic-tool-tool-arg"],
diff --git a/packages/kilo-ui/src/components/message-part.tsx b/packages/kilo-ui/src/components/message-part.tsx
index cbb8982989d..dc360fe7ff3 100644
--- a/packages/kilo-ui/src/components/message-part.tsx
+++ b/packages/kilo-ui/src/components/message-part.tsx
@@ -1844,12 +1844,12 @@ function ToolMetaLine(props: {
   )
 }
 
-function ToolChanges(props: { changes: DiffValue; animate?: boolean }) {
+function ToolChanges(props: { changes: DiffValue; animate?: boolean; slot?: string }) {
   let ref: HTMLDivElement | undefined
   useToolFade(() => ref, { delay: 0.04, animate: props.animate })
 
   return (
-    <div ref={ref}>
+    <div ref={ref} data-slot={props.slot}>
       <DiffChanges changes={props.changes} />
     </div>
   )
@@ -2764,7 +2764,16 @@ ToolRegistry.register({
                       />
                     )}
                   </Show>
-                  <Show when={!single() && subtitle()}>{(text) => <ToolText text={text()} animate={reveal()} />}</Show>
+                  <Show when={!single() && subtitle()}>
+                    {(text) => (
+                      <>
+                        <ToolText text={text()} animate={reveal()} />
+                        <Show when={files().some((file) => file.additions > 0 || file.deletions > 0)}>
+                          <ToolChanges changes={files()} animate={reveal()} slot="message-part-tool-changes" />
+                        </Show>
+                      </>
+                    )}
+                  </Show>
                 </div>
               </div>
             </div>