diff --git a/.gitignore b/.gitignore
index 5196c0d05..ee813182c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -44,3 +44,8 @@ docs/throughput-*.json
 
 # gbrain local source-staging dir (capability checks, source clones) — runtime artifact
 .sources/
+
+# SPM build output from the gen-accessors tool (built in place by
+# skill-e2e-ios-swift-build; regenerates on every run — never commit)
+ios-qa/scripts/gen-accessors-tool/.build/
+ios-qa/scripts/gen-accessors-tool/Package.resolved