diff --git a/grpc-api/src/main/java/io/deephaven/grpc_api/console/ConsoleServiceGrpcImpl.java b/grpc-api/src/main/java/io/deephaven/grpc_api/console/ConsoleServiceGrpcImpl.java
index f8ab2232123..e641e67e0ed 100644
--- a/grpc-api/src/main/java/io/deephaven/grpc_api/console/ConsoleServiceGrpcImpl.java
+++ b/grpc-api/src/main/java/io/deephaven/grpc_api/console/ConsoleServiceGrpcImpl.java
@@ -120,8 +120,8 @@ public void startConsole(StartConsoleRequest request, StreamObserver<StartConsol
                             scriptSession = globalSessionProvider.getGlobalSession();
                         } else {
                             scriptSession = new NoLanguageDeephavenSession(sessionType);
-                            log.error().append("Session type '" + sessionType + "' is disabled. " +
-                                    "Use the More Actions icon to swap to session type '" + WORKER_CONSOLE_TYPE + "'.").endl();
+                            log.error().append("Session type '" + sessionType + "' is disabled." +
+                                    "Use the session type '" + WORKER_CONSOLE_TYPE + "' instead.").endl();
                         }
 
                         safelyExecute(() -> {
diff --git a/open-api/shared-ide/src/main/java/io/deephaven/web/shared/ide/ConsoleAddress.java b/open-api/shared-ide/src/main/java/io/deephaven/web/shared/ide/ConsoleAddress.java
deleted file mode 100644
index d2d19e343a8..00000000000
--- a/open-api/shared-ide/src/main/java/io/deephaven/web/shared/ide/ConsoleAddress.java
+++ /dev/null
@@ -1,39 +0,0 @@
-package io.deephaven.web.shared.ide;
-
-import io.deephaven.web.shared.data.ConnectToken;
-
-import java.io.Serializable;
-
-/**
- * Sent from the server to the client so the client can figure out where to connect to the worker.
- */
-
-public class ConsoleAddress implements Serializable {
-    private ConnectToken token;
-    private String websocketUrl;
-    private String serviceId;
-
-    public void setToken(ConnectToken token) {
-        this.token = token;
-    }
-
-    public ConnectToken getToken() {
-        return token;
-    }
-
-    public void setWebsocketUrl(String websocketUrl) {
-        this.websocketUrl = websocketUrl;
-    }
-
-    public String getWebsocketUrl() {
-        return websocketUrl;
-    }
-
-    public void setServiceId(String serviceId) {
-        this.serviceId = serviceId;
-    }
-
-    public String getServiceId() {
-        return serviceId;
-    }
-}
diff --git a/web/WebDevelopersGuide.md b/web/WebDevelopersGuide.md
index 80214a24251..8ea7fdcd4c1 100644
--- a/web/WebDevelopersGuide.md
+++ b/web/WebDevelopersGuide.md
@@ -1100,6 +1100,9 @@ This enum describes the name of each supported operation/aggregation type when c
 
 ##### Class `IdeConnection`
 
+###### Constructor
+ * `new dh.IdeConnection(String websocketUrl, IdeConnectionOptions options)` - creates a new instance, from which console sessions can be made. `options` are optional.
+
 ###### Methods
 
  * `addEventListener(String eventType, Function eventListener)`
@@ -1113,6 +1116,11 @@ This enum describes the name of each supported operation/aggregation type when c
  * `String websocketUrl` - the url used when connecting to the server. Read-only.
  * `String serviceId` - The name of the service that should be authenticated to on the server. Read-only.
 
+##### Class `IdeConnectionOptions`
+###### Properties
+ * `String authToken` - base 64 encoded auth token
+ * `String serviceId` - The service ID to use for the connection
+
 ##### Class `IdeSession`
 
 ###### Methods
diff --git a/web/client-api/src/main/java/io/deephaven/web/client/api/JsWorkspaceData.java b/web/client-api/src/main/java/io/deephaven/web/client/api/JsWorkspaceData.java
deleted file mode 100644
index f0faf384bae..00000000000
--- a/web/client-api/src/main/java/io/deephaven/web/client/api/JsWorkspaceData.java
+++ /dev/null
@@ -1,21 +0,0 @@
-package io.deephaven.web.client.api;
-
-import elemental2.core.JsArray;
-import elemental2.core.JsString;
-import jsinterop.annotations.JsPackage;
-import jsinterop.annotations.JsType;
-
-@JsType(isNative = true, name = "Object", namespace = JsPackage.GLOBAL)
-public class JsWorkspaceData {
-    public String id;
-    public Double version;
-    public String name;
-    public String owner;
-    public String dataType;
-    public String status;
-    public JsArray<JsString> adminGroups;
-    public JsArray<JsString> viewerGroups;
-
-    public String data;
-
-}
diff --git a/web/client-api/src/main/java/io/deephaven/web/client/api/QueryConnectable.java b/web/client-api/src/main/java/io/deephaven/web/client/api/QueryConnectable.java
index eb93a41bf14..6f62c76cf44 100644
--- a/web/client-api/src/main/java/io/deephaven/web/client/api/QueryConnectable.java
+++ b/web/client-api/src/main/java/io/deephaven/web/client/api/QueryConnectable.java
@@ -1,10 +1,13 @@
 package io.deephaven.web.client.api;
 
+import elemental2.core.JsArray;
 import elemental2.core.JsSet;
 import elemental2.dom.DomGlobal;
 import elemental2.promise.Promise;
 import io.deephaven.ide.shared.IdeSession;
 import io.deephaven.javascript.proto.dhinternal.arrow.flight.protocol.flight_pb.Ticket;
+import io.deephaven.javascript.proto.dhinternal.io.deephaven.proto.console_pb.GetConsoleTypesRequest;
+import io.deephaven.javascript.proto.dhinternal.io.deephaven.proto.console_pb.GetConsoleTypesResponse;
 import io.deephaven.javascript.proto.dhinternal.io.deephaven.proto.console_pb.StartConsoleRequest;
 import io.deephaven.web.client.fu.CancellablePromise;
 import io.deephaven.web.client.fu.JsLog;
@@ -166,6 +169,17 @@ public CancellablePromise<IdeSession> startSession(String type) {
         }, closer);
     }
 
+    @JsMethod
+    public Promise<JsArray<String>> getConsoleTypes() {
+        Promise<GetConsoleTypesResponse> promise = Callbacks.grpcUnaryPromise(callback -> {
+            GetConsoleTypesRequest request = new GetConsoleTypesRequest();
+            connection.get().consoleServiceClient().getConsoleTypes(request, connection.get().metadata(), callback::apply);
+        });
+
+        return promise.then(result -> Promise.resolve(result.getConsoleTypesList()));
+    }
+
+
     public void connected() {
         if (closed) {
             JsLog.debug(getClass(), " closed before worker could connect");
diff --git a/web/client-api/src/main/java/io/deephaven/web/public/console.html b/web/client-api/src/main/java/io/deephaven/web/public/console.html
index 3610f702bf8..5b5a3d5dfe3 100644
--- a/web/client-api/src/main/java/io/deephaven/web/public/console.html
+++ b/web/client-api/src/main/java/io/deephaven/web/public/console.html
@@ -13,19 +13,26 @@
     <textarea id="command" placeholder="waiting for connection..." rows="1" cols="80" autofocus="autofocus" disabled="disabled" style="resize:vertical"></textarea><button id="run">Run</button>
 </div>
 <script type="text/javascript">
+    var connection;
     var ide;
     var table;
     (async () => {
+        // create a connection to the server
+        connection = new dh.IdeConnection(window.location.protocol + "//" + window.location.host);
+
         // check if a language was specified
         var url = new URL(window.location);
         var language = url.searchParams.get("language");
         if (typeof language !== 'string') {
-            url.searchParams.set("language", "groovy");
+            // Language was not specified, query the server to get the supported languages and use the first one
+            var consoleTypes = await connection.getConsoleTypes();
+            language = consoleTypes[0];
+            url.searchParams.set("language", language);
             location.assign(url.toString());
         }
 
-        // create a connection to the server using that language
-        ide = await dh.Ide.getExistingSession(window.location.protocol + "//" + window.location.host, "", null, language);
+        // start a session using the language derived
+        ide = await connection.startSession(language);
 
         // set up log stream
         ide.onLogMessage(log => {
diff --git a/web/client-api/src/main/java/io/deephaven/web/public/index.html b/web/client-api/src/main/java/io/deephaven/web/public/index.html
index b40966a044c..cec370635d6 100644
--- a/web/client-api/src/main/java/io/deephaven/web/public/index.html
+++ b/web/client-api/src/main/java/io/deephaven/web/public/index.html
@@ -13,7 +13,7 @@ <h2>Feature Demos</h2>
 <ul>
 <!--    <li><a href="grpc.html">Raw GRPC sample in JS</a></li>-->
 <!--    <li><a href="simple.html">JS API analog of the SimpleDeephavenClient</a></li>-->
-    <li><a href="console.html">JS API analog of the GroovyConsoleClient</a></li>
+    <li><a href="console.html">JS API analog of the ConsoleClient</a></li>
     <li><a href="table_viewport.html">Create a table and display a viewport of it, with paging buttons</a></li>
     <li><a href="table_filter.html">Create a table and display a viewport of it, with a filter context menu</a></li>
     <li><a href="table_sort.html">Create a table and display a viewport of it, with clickable headers to sort</a></li>
diff --git a/web/client-api/src/main/java/io/deephaven/web/public/simple.html b/web/client-api/src/main/java/io/deephaven/web/public/simple.html
index 8552cba7a22..d4e851bcc14 100644
--- a/web/client-api/src/main/java/io/deephaven/web/public/simple.html
+++ b/web/client-api/src/main/java/io/deephaven/web/public/simple.html
@@ -17,8 +17,9 @@ <h3>Simple test page to verify that the Deephaven JS API can connect, create a t
 var ide;
 var table;
 (async () => {
-
-    ide = await dh.Ide.getExistingSession(window.location.protocol + "//" + window.location.host, "", null, "groovy");
+    var connection = new dh.IdeConnection(window.location.protocol + "//" + window.location.host);
+    var consoleTypes = await connection.getConsoleTypes();
+    ide = await connection.startSession(consoleTypes[0]);
     document.body.append("session created", document.createElement("br"));
     table = await ide.timeTable(1_000_000_000);
     document.body.append("timetable created", document.createElement("br"));
diff --git a/web/client-api/src/main/java/io/deephaven/web/public/table_filter.html b/web/client-api/src/main/java/io/deephaven/web/public/table_filter.html
index 9a330afbacd..9ddc00fbb28 100644
--- a/web/client-api/src/main/java/io/deephaven/web/public/table_filter.html
+++ b/web/client-api/src/main/java/io/deephaven/web/public/table_filter.html
@@ -143,13 +143,17 @@ <h3>Filter Details</h3>
 
   };
 
+  var connection;
+  var ide;
   var table;
   var oldTableHandlerCleanup;
   var simplePagingTable = document.getElementById('simplePagingTable');
   var topMenu = document.getElementById('topMenu');
 
   (async () => {
-      ide = await dh.Ide.getExistingSession(window.location.protocol + "//" + window.location.host, "", null, "groovy");
+      connection = new dh.IdeConnection(window.location.protocol + "//" + window.location.host);
+
+      ide = await connection.startSession("groovy");
 
       await ide.runCode('remoteTable = timeTable("00:00:01").updateView("I=i", "J=I*I", "K=I%100").lastBy("K")')
 
diff --git a/web/client-api/src/main/java/io/deephaven/web/public/table_sort.html b/web/client-api/src/main/java/io/deephaven/web/public/table_sort.html
index d12edf1625e..7fa36ff1d65 100644
--- a/web/client-api/src/main/java/io/deephaven/web/public/table_sort.html
+++ b/web/client-api/src/main/java/io/deephaven/web/public/table_sort.html
@@ -17,11 +17,15 @@ <h3>Selected table data (click headers to sort)</h3>
     <table id="simplePagingTable"></table>
 
     <script>
+      var connection;
+      var ide;
       var table;
       var oldTableHandlerCleanup;
       var simplePagingTable = document.getElementById("simplePagingTable");
       (async () => {
-        ide = await dh.Ide.getExistingSession(window.location.protocol + "//" + window.location.host, "", null, "groovy");
+        connection = new dh.IdeConnection(window.location.protocol + "//" + window.location.host);
+
+        ide = await connection.startSession("groovy");
 
         await ide.runCode('remoteTable = timeTable("00:00:01").updateView("I=i", "J=I*I", "K=I%100").lastBy("K")')
 
diff --git a/web/client-api/src/main/java/io/deephaven/web/public/table_viewport.html b/web/client-api/src/main/java/io/deephaven/web/public/table_viewport.html
index abce1a4e318..07492a8cfa4 100644
--- a/web/client-api/src/main/java/io/deephaven/web/public/table_viewport.html
+++ b/web/client-api/src/main/java/io/deephaven/web/public/table_viewport.html
@@ -24,13 +24,16 @@ <h3>Table data</h3>
 
 <script>
 var table;
-var ide
+var connection;
+var ide;
 var simplePagingTable = document.getElementById('simplePagingTable');
 var oldTableHandlerCleanup;
 var currentOffset;
 var PAGE_SIZE = 20;
 (async () => {
-    ide = await dh.Ide.getExistingSession(window.location.protocol + "//" + window.location.host, "", null, "groovy");
+    connection = new dh.IdeConnection(window.location.protocol + "//" + window.location.host);
+
+    ide = await connection.startSession("groovy");
 
     await ide.runCode('remoteTable = timeTable("00:00:01").updateView("I=i", "J=I*I", "K=I%100").lastBy("K")')
 
diff --git a/web/client-ide/src/main/java/io/deephaven/ide/client/IdeClient.java b/web/client-ide/src/main/java/io/deephaven/ide/client/IdeClient.java
index 3e53f8f998a..22623892ec9 100644
--- a/web/client-ide/src/main/java/io/deephaven/ide/client/IdeClient.java
+++ b/web/client-ide/src/main/java/io/deephaven/ide/client/IdeClient.java
@@ -3,21 +3,13 @@
 import elemental2.promise.Promise;
 import io.deephaven.ide.shared.IdeSession;
 import io.deephaven.web.client.fu.CancellablePromise;
-import io.deephaven.web.shared.data.ConnectToken;
-import io.deephaven.web.shared.ide.ConsoleAddress;
 import jsinterop.annotations.JsMethod;
-import jsinterop.annotations.JsPackage;
 import jsinterop.annotations.JsType;
 
-import java.nio.charset.StandardCharsets;
-
 /**
  */
 @JsType(name = "Ide", namespace = "dh")
 public class IdeClient {
-    @JsMethod(namespace = JsPackage.GLOBAL)
-    private static native String atob(String encodedData);
-
     @Deprecated
     @JsMethod(name = "getExistingSession")
     public Promise<IdeSession> getExistingSession_old(String websocketUrl, String authToken, String serviceId, String language) {
@@ -25,18 +17,11 @@ public Promise<IdeSession> getExistingSession_old(String websocketUrl, String au
     }
 
     public static CancellablePromise<IdeSession> getExistingSession(String websocketUrl, String authToken, String serviceId, String language) {
-        ConnectToken token = null;
-        if (authToken != null) {
-            token = new ConnectToken();
-            token.setBytes(atob(authToken).getBytes(StandardCharsets.ISO_8859_1));
-        }
-
-        ConsoleAddress address = new ConsoleAddress();
-        address.setWebsocketUrl(websocketUrl);
-        address.setServiceId(serviceId);
-        address.setToken(token);
+        IdeConnectionOptions options = new IdeConnectionOptions();
+        options.authToken = authToken;
+        options.serviceId = serviceId;
 
-        IdeConnection ideConnection = new IdeConnection(address);
+        IdeConnection ideConnection = new IdeConnection(websocketUrl, options);
         return ideConnection.startSession(language);
     }
 }
diff --git a/web/client-ide/src/main/java/io/deephaven/ide/client/IdeConnection.java b/web/client-ide/src/main/java/io/deephaven/ide/client/IdeConnection.java
index e71465fce48..f05c900304e 100644
--- a/web/client-ide/src/main/java/io/deephaven/ide/client/IdeConnection.java
+++ b/web/client-ide/src/main/java/io/deephaven/ide/client/IdeConnection.java
@@ -3,15 +3,29 @@
 import elemental2.promise.Promise;
 import io.deephaven.web.client.api.QueryConnectable;
 import io.deephaven.web.shared.fu.JsRunnable;
-import io.deephaven.web.shared.ide.ConsoleAddress;
-import jsinterop.annotations.JsIgnore;
-import jsinterop.annotations.JsType;
+import io.deephaven.web.shared.data.ConnectToken;
+import jsinterop.annotations.*;
+
+import java.nio.charset.StandardCharsets;
 
 /**
  */
 @JsType(namespace = "dh")
 public class IdeConnection extends QueryConnectable<IdeConnection> {
-    private final ConsoleAddress address;
+    @JsMethod(namespace = JsPackage.GLOBAL)
+    private static native String atob(String encodedData);
+
+    private static AuthTokenPromiseSupplier getAuthTokenPromiseSupplier(IdeConnectionOptions options) {
+        ConnectToken token = null;
+        if (options != null && options.authToken != null) {
+            token = new ConnectToken();
+            token.setBytes(atob(options.authToken).getBytes(StandardCharsets.UTF_8));
+        }
+        return AuthTokenPromiseSupplier.oneShot(token);
+    }
+
+    private final String serverUrl;
+
     private final JsRunnable deathListenerCleanup;
 
     @Override
@@ -22,10 +36,10 @@ protected String logPrefix() {
     /**
      * Direct connection to an already-running worker instance, without first authenticating to a client.
      */
-    @JsIgnore
-    public IdeConnection(ConsoleAddress address) {
-        super(AuthTokenPromiseSupplier.oneShot(address.getToken()));
-        this.address = address;
+    @JsConstructor
+    public IdeConnection(String serverUrl, @JsOptional IdeConnectionOptions options) {
+        super(getAuthTokenPromiseSupplier(options));
+        this.serverUrl = serverUrl;
         this.deathListenerCleanup = JsRunnable.doNothing();
     }
 
@@ -38,7 +52,7 @@ public void close() {
     @Override
     @JsIgnore
     public String getServerUrl() {
-        return address.getWebsocketUrl();
+        return serverUrl;
     }
 
     @Override
diff --git a/web/client-ide/src/main/java/io/deephaven/ide/client/IdeConnectionOptions.java b/web/client-ide/src/main/java/io/deephaven/ide/client/IdeConnectionOptions.java
new file mode 100644
index 00000000000..7f1dcd886d2
--- /dev/null
+++ b/web/client-ide/src/main/java/io/deephaven/ide/client/IdeConnectionOptions.java
@@ -0,0 +1,15 @@
+package io.deephaven.ide.client;
+
+import jsinterop.annotations.JsConstructor;
+import jsinterop.annotations.JsProperty;
+import jsinterop.annotations.JsType;
+
+@JsType(namespace = "dh")
+public class IdeConnectionOptions {
+    public String authToken;
+    public String serviceId;
+
+    @JsConstructor
+    public IdeConnectionOptions() {
+    }
+}