diff --git a/platformio/commands/platform.py b/platformio/commands/platform.py
index 99858b57..fc919405 100644
--- a/platformio/commands/platform.py
+++ b/platformio/commands/platform.py
@@ -139,6 +139,7 @@ def platform_list(json_output):
             "description": p.description,
             "version": p.version,
             "url": p.vendor_url,
+            # "packages": p.packages.keys(),  # dump all packages
             "packages": p.get_installed_packages().keys(),
             'forDesktop': any([
                 p.name.startswith(n) for n in ("native", "linux", "windows")