Fail-safe Wikipedia reciprocal check

             "wikipedia",
             "org",
         ):
-            recip_url = agent.get(me_url).mf2json["items"][0]["properties"]["url"][0]
-            if recip_url == url:
-                reciprocals.add(me_url.minimized)
+            wp_props = agent.get(me_url).mf2json["items"][0]["properties"]
+            if wp_url := wp_props.get("url"):
+                if wp_url[0] == url:
+                    reciprocals.add(me_url.minimized)
         if me_url.host not in rel_me_silos:
             continue
         try: