diff --git a/Makefile b/Makefile
index af7007807f..aa9163f487 100644
--- a/Makefile
+++ b/Makefile
@@ -44,6 +44,21 @@ cache-save-essential:
 cache-verify:
 	@bash $(CACHE_RESTORE) --verify
 
+# Phase J / Improvement C: verify that all Cargo [patch]
+# sections in the local sources' Cargo.toml files resolve
+# to the expected local fork paths. Run after `make all`
+# to confirm Phase J end-to-end. Returns non-zero exit on
+# any unresolved patch.
+verify-patches:
+	@bash local/scripts/check-cargo-patches.sh
+
+# Phase I: also run the file-level patch check
+verify-file-patches:
+	@bash local/scripts/check-unwired-patches.sh --strict
+
+# Verify everything: file-level patches + Cargo [patch] sections
+verify-all: verify-file-patches verify-patches
+
 cache-list:
 	@bash $(CACHE_SAVE) --list