diff --git a/public/robots.txt b/public/robots.txt
index b7764ce0..1f16b059 100644
--- a/public/robots.txt
+++ b/public/robots.txt
@@ -1,4 +1,5 @@
 User-agent: *
+Content-Signal: ai-train=yes, search=yes, ai-input=yes
 Allow: /
 
 Sitemap: https://research.cloudflare.com/sitemap-index.xml