diff --git a/src/tools/lighthouse.ts b/src/tools/lighthouse.ts
index 3c831d815..606abf1ad 100644
--- a/src/tools/lighthouse.ts
+++ b/src/tools/lighthouse.ts
@@ -25,7 +25,7 @@ export const lighthouseAudit = definePageTool({
   description: `Get Lighthouse score and reports for accessibility, SEO and best practices. This excludes performance. For performance audits, run ${startTrace.name}`,
   annotations: {
     category: ToolCategory.DEBUGGING,
-    readOnlyHint: true,
+    readOnlyHint: false,
   },
   schema: {
     mode: zod
diff --git a/src/tools/memory.ts b/src/tools/memory.ts
index 406354d28..43e9ea780 100644
--- a/src/tools/memory.ts
+++ b/src/tools/memory.ts
@@ -14,7 +14,7 @@ export const takeMemorySnapshot = definePageTool({
   description: `Capture a memory heapsnapshot of the currently selected page to memory leak debugging`,
   annotations: {
     category: ToolCategory.PERFORMANCE,
-    readOnlyHint: true,
+    readOnlyHint: false,
   },
   schema: {
     filePath: zod