diff --git a/clients/dataforth/.gitignore b/clients/dataforth/.gitignore
index 52a34e53..f5f7e48c 100644
--- a/clients/dataforth/.gitignore
+++ b/clients/dataforth/.gitignore
@@ -1,3 +1,6 @@
 
 # plaintext credential note - never commit
 Oauth.txt
+
+# Large local-only binary artifacts (WizTree disk scans, dumps) - keep on the machine, never commit
+local-artifacts/