diff --git a/UI/Headless/HeadlessWebView.cpp b/UI/Headless/HeadlessWebView.cpp
index b25fe17c110..c70ecb758ad 100644
--- a/UI/Headless/HeadlessWebView.cpp
+++ b/UI/Headless/HeadlessWebView.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2024, Tim Flynn <trflynn89@ladybird.org>
+ * Copyright (c) 2024-2025, Tim Flynn <trflynn89@ladybird.org>
  *
  * SPDX-License-Identifier: BSD-2-Clause
  */
@@ -127,6 +127,20 @@ HeadlessWebView::HeadlessWebView(Core::AnonymousBuffer theme, Web::DevicePixelSi
         m_pending_prompt_text.clear();
     };
 
+    on_insert_clipboard_entry = [this](Web::Clipboard::SystemClipboardRepresentation entry, auto const&) {
+        Web::Clipboard::SystemClipboardItem item;
+        item.system_clipboard_representations.append(move(entry));
+
+        m_clipboard = move(item);
+    };
+
+    on_request_clipboard_entries = [this](auto request_id) {
+        if (m_clipboard.has_value())
+            retrieved_clipboard_entries(request_id, { { *m_clipboard } });
+        else
+            retrieved_clipboard_entries(request_id, {});
+    };
+
     m_system_visibility_state = Web::HTML::VisibilityState::Visible;
 }
 
diff --git a/UI/Headless/HeadlessWebView.h b/UI/Headless/HeadlessWebView.h
index d0f45731601..fcf3bbb6355 100644
--- a/UI/Headless/HeadlessWebView.h
+++ b/UI/Headless/HeadlessWebView.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2024, Tim Flynn <trflynn89@ladybird.org>
+ * Copyright (c) 2024-2025, Tim Flynn <trflynn89@ladybird.org>
  *
  * SPDX-License-Identifier: BSD-2-Clause
  */
@@ -51,6 +51,9 @@ private:
 
     Web::Page::PendingDialog m_pending_dialog { Web::Page::PendingDialog::None };
     Optional<String> m_pending_prompt_text;
+
+    // FIXME: We should implement UI-agnostic platform APIs to interact with the system clipboard.
+    Optional<Web::Clipboard::SystemClipboardItem> m_clipboard;
 };
 
 }