diff --git a/lib/sdam/topology_description.js b/lib/sdam/topology_description.js
index 1f8ebcd24..8bd7473e0 100644
--- a/lib/sdam/topology_description.js
+++ b/lib/sdam/topology_description.js
@@ -226,6 +226,16 @@ class TopologyDescription {
   hasWritableServer() {
     return this.hasReadableServer(ReadPreference.primary);
   }
+
+  /**
+   * Determines if the topology has a definition for the provided address
+   *
+   * @param {String} address
+   * @return {Boolean} Whether the topology knows about this server
+   */
+  hasServer(address) {
+    return this.servers.has(address);
+  }
 }
 
 function topologyTypeForServerType(serverType) {