diff --git a/tools/deploy-optimizer.sh b/tools/deploy-optimizer.sh
index 2a6a3d3..a8ac032 100755
--- a/tools/deploy-optimizer.sh
+++ b/tools/deploy-optimizer.sh
@@ -107,7 +107,13 @@ for tool in forge cast npx node python3; do
         fail "$tool not found in PATH"
     fi
 done
-success "forge, cast, npx, node, python3 are present"
+
+if ! $LIVE; then
+    if ! command -v anvil &>/dev/null; then
+        fail "anvil not found in PATH (required for dry-run mode)"
+    fi
+fi
+success "Required tools are present"
 
 # ---------------------------------------------------------------------------
 # Step 1 — Transpile Push3 → Solidity