diff --git a/Sources/Luminate/ServerSetupView.swift b/Sources/Luminate/ServerSetupView.swift
index 1a2c189..319cae3 100644
--- a/Sources/Luminate/ServerSetupView.swift
+++ b/Sources/Luminate/ServerSetupView.swift
@@ -1,5 +1,5 @@
-import Foundation
 import Adwaita
+import Foundation
 import LuminateCore
 
 public struct ServerSetupView: View {
@@ -22,10 +22,12 @@ public struct ServerSetupView: View {
                 icon: .custom(name: "dev.bscubed.Luminate"),
                 description: "Enter your Jellyfin server details"
             ) {
-                VStack {
-                    EntryRow("Server URL", text: $serverURL)
-                    EntryRow("Username", text: $username)
-                    PasswordEntryRow("Password", text: $password)
+                VStack(spacing: 16) {
+                    PreferencesGroup("Server configuration") {
+                        EntryRow("Server URL", text: $serverURL)
+                        EntryRow("Username", text: $username)
+                        PasswordEntryRow("Password", text: $password)
+                    }
                     Button("Connect") {
                         connect()
                     }
@@ -44,7 +46,12 @@ public struct ServerSetupView: View {
     }
 
     private func connect() {
-        guard let url = URL(string: serverURL), !username.isEmpty else {
+        var urlString = serverURL.trimmingCharacters(in: .whitespacesAndNewlines)
+        if !urlString.hasPrefix("http://") && !urlString.hasPrefix("https://") {
+            urlString = "https://" + urlString
+        }
+        urlString = urlString.trimmingCharacters(in: CharacterSet(charactersIn: "/"))
+        guard let url = URL(string: urlString), !username.isEmpty else {
             error = "Please enter a valid server URL and username"
             return
         }
@@ -55,15 +62,16 @@ public struct ServerSetupView: View {
                 let client = JellyfinClient(serverURL: url)
                 let result = try await client.authenticate(username: username, password: password)
                 let userId = result.User?.value1.Id ?? ""
-                await MainActor.run {
-                    isLoading = false
-                    onLogin(client, userId)
-                }
+
+                isLoading = false
+                onLogin(client, userId)
+            } catch (JellyfinError.httpError(let code)) {
+                isLoading = false
+                self.error = "Failed to login. HTTP code \(code)"
             } catch {
-                await MainActor.run {
-                    isLoading = false
-                    self.error = error.localizedDescription
-                }
+                isLoading = false
+                self.error = error.localizedDescription
+                print(error.localizedDescription)
             }
         }
     }
diff --git a/Sources/LuminateCore/JellyfinClient.swift b/Sources/LuminateCore/JellyfinClient.swift
index 6aaf3a3..83918b6 100644
--- a/Sources/LuminateCore/JellyfinClient.swift
+++ b/Sources/LuminateCore/JellyfinClient.swift
@@ -3,8 +3,47 @@ import OpenAPIRuntime
 import OpenAPIURLSession
 import HTTPTypes
 
+struct JellyfinDateTranscoder: DateTranscoder {
+    func encode(_ date: Date) throws -> String {
+        ISO8601DateFormatter().string(from: date)
+    }
+
+    func decode(_ dateString: String) throws -> Date {
+        let withoutExtraDigits = dateString.replacingOccurrences(
+            of: #"\.(\d{3})\d+"#,
+            with: ".$1",
+            options: .regularExpression
+        )
+        let formatter = ISO8601DateFormatter()
+        formatter.formatOptions = [.withInternetDateTime, .withFractionalSeconds]
+        if let date = formatter.date(from: withoutExtraDigits) {
+            return date
+        }
+        formatter.formatOptions = [.withInternetDateTime]
+        if let date = formatter.date(from: withoutExtraDigits) {
+            return date
+        }
+        throw DecodingError.dataCorrupted(
+            .init(codingPath: [], debugDescription: "Expected date string to be ISO8601-formatted: \(dateString)")
+        )
+    }
+}
+
+private let clientName = "Luminate"
+private let deviceName = "Desktop"
+private let deviceId = "luminate-001"
+private let clientVersion = "1.0.0"
+
+func mediaBrowserHeader(token: String? = nil) -> String {
+    if let token {
+        "MediaBrowser Token=\"\(token)\", Client=\"\(clientName)\", Device=\"\(deviceName)\", DeviceId=\"\(deviceId)\", Version=\"\(clientVersion)\""
+    } else {
+        "MediaBrowser Client=\"\(clientName)\", Device=\"\(deviceName)\", DeviceId=\"\(deviceId)\", Version=\"\(clientVersion)\""
+    }
+}
+
 struct AuthMiddleware: ClientMiddleware {
-    let token: String
+    let token: String?
 
     func intercept(
         _ request: HTTPRequest,
@@ -14,7 +53,7 @@ struct AuthMiddleware: ClientMiddleware {
         next: (HTTPRequest, OpenAPIRuntime.HTTPBody?, URL) async throws -> (HTTPResponse, OpenAPIRuntime.HTTPBody?)
     ) async throws -> (HTTPResponse, OpenAPIRuntime.HTTPBody?) {
         var request = request
-        request.headerFields[.authorization] = "MediaBrowser Token=\"\(token)\""
+        request.headerFields[.authorization] = mediaBrowserHeader(token: token)
         return try await next(request, body, baseURL)
     }
 }
@@ -32,18 +71,24 @@ public actor JellyfinClient {
     private var token: String?
     private var client: Client
 
+    private let clientConfig: Configuration
+
     public init(serverURL: URL) {
         self.serverURL = serverURL
         self.token = nil
+        self.clientConfig = Configuration(dateTranscoder: JellyfinDateTranscoder())
         self.client = Client(
             serverURL: serverURL,
-            transport: URLSessionTransport()
+            configuration: clientConfig,
+            transport: URLSessionTransport(),
+            middlewares: [AuthMiddleware(token: nil)]
         )
     }
 
     private func makeClient(token: String) -> Client {
         Client(
             serverURL: serverURL,
+            configuration: clientConfig,
             transport: URLSessionTransport(),
             middlewares: [AuthMiddleware(token: token)]
         )