diff --git a/.docs/README.md b/.docs/README.md
index 961a61b..eaf03b6 100644
--- a/.docs/README.md
+++ b/.docs/README.md
@@ -24,6 +24,13 @@ extensions:
 ```neon
 guzzle:
 	debug: %debugMode%
+	tracy: %debugMode%
+	preset: default
+	app: MyApp/1.0
+	logger:
+		level: info
+		formatter: "[{method}] {uri} {code}"
+		# logger: @Psr\Log\LoggerInterface
 	client: # config for GuzzleHttp\Client
 		timeout: 30
 ```
@@ -36,6 +43,7 @@ Everything else is in Guzzle documentation.
 ```php
 
 use Contributte\Guzzlette\ClientFactory;
+use Contributte\Guzzlette\GuzzleBuilder;
 use GuzzleHttp\Client;
 use Nette\Application\UI\Presenter;
 
@@ -57,5 +65,14 @@ class ExamplePresenter extends Presenter {
 		]);
 	}
 
+	public function injectGuzzleBuilder(ClientFactory $factory): void
+	{
+		$this->guzzle = $factory
+			->create()
+			->withBaseUri('https://api.example.com')
+			->withHttpAuth('john', 'doe')
+			->build();
+	}
+
 }
 ```
diff --git a/composer.json b/composer.json
index 03b55c5..84deabd 100644
--- a/composer.json
+++ b/composer.json
@@ -23,6 +23,7 @@
     "guzzlehttp/guzzle": "^7.5.0",
     "nette/di": "^3.1.2",
     "nette/utils": "^3.2.8 || ^4.0.0",
+    "psr/log": "^3.0",
     "tracy/tracy": "^2.9.5"
   },
   "require-dev": {
diff --git a/src/ClientFactory.php b/src/ClientFactory.php
index 9c6b8a3..2f98b06 100644
--- a/src/ClientFactory.php
+++ b/src/ClientFactory.php
@@ -4,49 +4,166 @@
 
 use GuzzleHttp\Client;
 use GuzzleHttp\HandlerStack;
+use GuzzleHttp\MessageFormatter;
+use GuzzleHttp\MessageFormatterInterface;
+use GuzzleHttp\Middleware;
+use Psr\Log\LoggerInterface;
+use Psr\Log\LogLevel;
 
 class ClientFactory
 {
 
 	public const FORCE_REQUEST_COLLECTION = true;
 
+	/** @var array<string, callable> */
+	private array $stackFns = [];
+
+	/** @var array<string, mixed> */
+	private array $options = [];
+
 	private SnapshotStack $snapshotStack;
 
 	private bool $debug;
 
+	private ?LoggerInterface $logger = null;
+
+	private ?MessageFormatterInterface $formatter = null;
+
+	private ?HandlerStack $handlerStack = null;
+
 	public function __construct(SnapshotStack $snapshotStack, bool $debug = false)
 	{
 		$this->snapshotStack = $snapshotStack;
 		$this->debug = $debug;
 	}
 
+	public function setFormatter(MessageFormatterInterface $formatter): void
+	{
+		$this->formatter = $formatter;
+	}
+
+	public function setLogger(LoggerInterface $logger): void
+	{
+		$this->logger = $logger;
+	}
+
+	public function setHandlerStack(HandlerStack $handlerStack): void
+	{
+		$this->handlerStack = $handlerStack;
+	}
+
+	public function withDefaults(): self
+	{
+		return $this->withTracy()->withLog();
+	}
+
+	public function withTracy(): self
+	{
+		if ($this->debug) {
+			$this->with(new GuzzleHandler($this->snapshotStack), 'tracy');
+		}
+
+		return $this;
+	}
+
 	/**
-	 * @param mixed[] $config
+	 * @phpstan-param LogLevel::* $level
 	 */
-	public function createClient(array $config = []): Client
+	public function withLog(?LoggerInterface $logger = null, ?MessageFormatterInterface $formatter = null, string $level = LogLevel::DEBUG): self
 	{
-		if ($this->debug) {
-			$handlerStack = $config['handler'] ?? null;
-			if (!($handlerStack instanceof HandlerStack)) {
-				$handlerStack = null;
-			}
+		if ($this->logger !== null || $logger !== null) {
+			$resolvedLogger = $logger ?? $this->logger;
+			assert($resolvedLogger !== null);
 
-			$config['handler'] = $this->createHandlerStack($handlerStack);
+			return $this->with(
+				Middleware::log(
+					$resolvedLogger,
+					$formatter ?? $this->formatter ?? new MessageFormatter(),
+					$level,
+				),
+				'logger',
+			);
 		}
 
-		return new Client($config);
+		return $this;
+	}
+
+	public function with(callable $middleware, string $name): self
+	{
+		$this->stackFns[$name] = $middleware;
+
+		return $this;
+	}
+
+	public function withConfigOption(string $name, mixed $value): self
+	{
+		$this->options[$name] = $value;
+
+		return $this;
+	}
+
+	/**
+	 * @param array<string, string> $headers
+	 */
+	public function withHeaders(array $headers): self
+	{
+		$this->options['headers'] = array_merge(
+			$this->options['headers'] ?? [], // @phpstan-ignore-line
+			$headers,
+		);
+
+		return $this;
+	}
+
+	public function withUserAgent(string $agent): self
+	{
+		return $this->withHeaders(['User-Agent' => $agent]);
+	}
+
+	public function withBaseUri(string $url): self
+	{
+		return $this->withConfigOption('base_uri', $url);
+	}
+
+	public function withHttpAuth(string $user, string $password): self
+	{
+		return $this->withConfigOption('auth', [$user, $password]);
 	}
 
-	private function createHandlerStack(?HandlerStack $handlerStack = null): HandlerStack
+	public function create(?HandlerStack $handlerStack = null): GuzzleBuilder
 	{
-		if ($handlerStack === null) {
-			$handlerStack = HandlerStack::create();
+		$stack = $handlerStack ?? $this->handlerStack ?? HandlerStack::create();
+
+		foreach ($this->stackFns as $name => $fn) {
+			$stack->push($fn, $name);
+		}
+
+		if ($this->debug && !isset($this->stackFns['tracy'])) {
+			$stack->push(new GuzzleHandler($this->snapshotStack), 'tracy');
 		}
 
-		$handler = new GuzzleHandler($this->snapshotStack);
-		$handlerStack->push($handler);
+		$builder = new GuzzleBuilder($stack);
+
+		foreach ($this->options as $name => $value) {
+			$builder->withConfigOption($name, $value);
+		}
+
+		return $builder;
+	}
+
+	/**
+	 * @param mixed[] $config
+	 */
+	public function createClient(array $config = []): Client
+	{
+		$handlerStack = null;
+
+		if (isset($config['handler']) && $config['handler'] instanceof HandlerStack) {
+			$handlerStack = $config['handler'];
+			unset($config['handler']);
+		}
 
-		return $handlerStack;
+		return $this->create($handlerStack)->build($config);
 	}
 
 }
diff --git a/src/DI/GuzzleExtension.php b/src/DI/GuzzleExtension.php
index 07d4b79..f269a07 100644
--- a/src/DI/GuzzleExtension.php
+++ b/src/DI/GuzzleExtension.php
@@ -5,10 +5,16 @@
 use Contributte\Guzzlette\ClientFactory;
 use Contributte\Guzzlette\SnapshotStack;
 use GuzzleHttp\Client;
+use GuzzleHttp\MessageFormatter;
 use Nette\DI\CompilerExtension;
+use Nette\DI\Definitions\ServiceDefinition;
+use Nette\DI\Definitions\Statement;
 use Nette\PhpGenerator\ClassType;
 use Nette\Schema\Expect;
 use Nette\Schema\Schema;
+use Psr\Log\LoggerInterface;
+use Psr\Log\LogLevel;
+use Psr\Log\NullLogger;
 use stdClass;
 
 /**
@@ -19,8 +25,24 @@ class GuzzleExtension extends CompilerExtension
 
 	public function getConfigSchema(): Schema
 	{
+		$expectService = Expect::anyOf(
+			Expect::string()->required()->assert(static fn (mixed $input): bool => is_string($input) && (str_starts_with($input, '@') || class_exists($input) || interface_exists($input))),
+			Expect::type(Statement::class)->required(),
+		);
+
 		return Expect::structure([
 			'debug' => Expect::bool(false),
+			'preset' => Expect::anyOf(null, 'default')->default('default'),
+			'app' => Expect::string()->nullable()->default(null),
+			'logger' => Expect::structure([
+				'level' => Expect::string(LogLevel::INFO),
+				'formatter' => Expect::anyOf(
+					clone $expectService,
+					Expect::string()->required(),
+				)->nullable()->default(null),
+				'logger' => clone $expectService,
+			]),
+			'tracy' => Expect::bool(false),
 			'client' => Expect::array()->dynamic()->default([
 				'timeout' => 30,
 			]),
@@ -38,18 +60,60 @@ public function loadConfiguration(): void
 
 		$builder->addDefinition($this->prefix('clientFactory'))
 			->setType(ClientFactory::class)
-			->setArguments([$builder->getDefinition($this->prefix('snapshotStack')), $config->debug]);
+			->setArguments([$builder->getDefinition($this->prefix('snapshotStack')), $config->debug || $config->tracy]);
+
+		$factoryDef = $builder->getDefinition($this->prefix('clientFactory'));
+		assert($factoryDef instanceof ServiceDefinition);
+
+		if ($config->app !== null) {
+			$factoryDef->addSetup('withUserAgent', [$config->app]);
+		}
+
+		if ($config->logger->formatter !== null) {
+			if (is_string($config->logger->formatter)) {
+				$factoryDef->addSetup('setFormatter', [new Statement(MessageFormatter::class, [$config->logger->formatter])]);
+			} else {
+				$factoryDef->addSetup('setFormatter', [$config->logger->formatter]);
+			}
+		}
+
+		if ($config->logger->logger !== null) {
+			$factoryDef->addSetup('setLogger', [is_string($config->logger->logger) ? new Statement($config->logger->logger) : $config->logger->logger]);
+		}
 
 		$builder->addDefinition($this->prefix('client'))
 			->setType(Client::class)
 			->setFactory('@' . $this->prefix('clientFactory') . '::createClient', ['config' => $config->client]);
 	}
 
+	public function beforeCompile(): void
+	{
+		$config = $this->config;
+		$builder = $this->getContainerBuilder();
+
+		$factoryDef = $builder->getDefinition($this->prefix('clientFactory'));
+		assert($factoryDef instanceof ServiceDefinition);
+
+		if ($config->logger->logger === null) {
+			$loggerDef = $builder->getByType(LoggerInterface::class);
+
+			if ($loggerDef !== null) {
+				$factoryDef->addSetup('setLogger', [$builder->getDefinition($loggerDef)]);
+			} elseif ($config->preset === 'default') {
+				$factoryDef->addSetup('setLogger', [new Statement(NullLogger::class)]);
+			}
+		}
+
+		if ($config->preset === 'default') {
+			$factoryDef->addSetup('withDefaults');
+		}
+	}
+
 	public function afterCompile(ClassType $class): void
 	{
 		$config = $this->config;
 
-		if ($config->debug) {
+		if ($config->debug || $config->tracy) {
 			$initialize = $class->getMethod('initialize');
 			$initialize->addBody(
 				'$this->getService(?)->addPanel(new \Contributte\Guzzlette\Tracy\Panel($this->getService(?)));',
diff --git a/src/GuzzleBuilder.php b/src/GuzzleBuilder.php
new file mode 100644
index 0000000..1958277
--- /dev/null
+++ b/src/GuzzleBuilder.php
@@ -0,0 +1,75 @@
+<?php declare(strict_types = 1);
+
+namespace Contributte\Guzzlette;
+
+use GuzzleHttp\Client;
+use GuzzleHttp\HandlerStack;
+
+class GuzzleBuilder
+{
+
+	private HandlerStack $stack;
+
+	/** @var array<string, mixed> */
+	private array $options = [];
+
+	public function __construct(HandlerStack $stack)
+	{
+		$this->stack = $stack;
+	}
+
+	public function with(callable $middleware, string $name): self
+	{
+		$this->stack->push($middleware, $name);
+
+		return $this;
+	}
+
+	public function withConfigOption(string $name, mixed $value): self
+	{
+		$this->options[$name] = $value;
+
+		return $this;
+	}
+
+	/**
+	 * @param array<string, string> $headers
+	 */
+	public function withHeaders(array $headers): self
+	{
+		$this->options['headers'] = array_merge(
+			$this->options['headers'] ?? [], // @phpstan-ignore-line
+			$headers,
+		);
+
+		return $this;
+	}
+
+	public function withUserAgent(string $agent): self
+	{
+		return $this->withHeaders(['User-Agent' => $agent]);
+	}
+
+	public function withBaseUri(string $url): self
+	{
+		return $this->withConfigOption('base_uri', $url);
+	}
+
+	public function withHttpAuth(string $user, string $password): self
+	{
+		return $this->withConfigOption('auth', [$user, $password]);
+	}
+
+	/**
+	 * @param array<string, mixed> $options
+	 */
+	public function build(array $options = []): Client
+	{
+		return new Client(array_merge(
+			$this->options,
+			$options,
+			['handler' => $this->stack],
+		));
+	}
+
+}
diff --git a/tests/Cases/GuzzleExtensionTest.phpt b/tests/Cases/GuzzleExtensionTest.phpt
index 50e8c14..ba1e7ef 100644
--- a/tests/Cases/GuzzleExtensionTest.phpt
+++ b/tests/Cases/GuzzleExtensionTest.phpt
@@ -71,3 +71,25 @@ Toolkit::test(function (): void {
 	Assert::count(1, $container->findByType(Client::class));
 	Assert::count(1, $container->findByType(ClientFactory::class));
 });
+
+Toolkit::test(function (): void {
+	$loader = new ContainerLoader(Environment::getTestDir(), true);
+	$class = $loader->load(function (Compiler $compiler): void {
+		$compiler->addConfig([
+			'guzzle' => [
+				'tracy' => true,
+				'app' => 'AcmeTest/1.0',
+				'logger' => [
+					'formatter' => '[{method}] {uri} {code}',
+				],
+			],
+		]);
+		$compiler->addExtension('guzzle', new GuzzleExtension());
+	}, [getmypid(), 4]);
+
+	/** @var Container $container */
+	$container = new $class();
+
+	Assert::count(1, $container->findByType(Client::class));
+	Assert::count(1, $container->findByType(ClientFactory::class));
+});
diff --git a/tests/Cases/GuzzleHandlerTest.phpt b/tests/Cases/GuzzleHandlerTest.phpt
index 75daf49..1a19dde 100644
--- a/tests/Cases/GuzzleHandlerTest.phpt
+++ b/tests/Cases/GuzzleHandlerTest.phpt
@@ -56,3 +56,25 @@ Toolkit::test(function (): void {
 	Assert::same(0, count($snapshotStack->getSnapshots()));
 	Assert::same(0.0, $snapshotStack->getTotalTime());
 });
+
+Toolkit::test(function (): void {
+	$snapshotStack = new SnapshotStack();
+	$factory = new ClientFactory($snapshotStack);
+
+	$mock = new MockHandler([
+		new Response(200),
+	]);
+
+	$handler = HandlerStack::create($mock);
+
+	$client = $factory
+		->withUserAgent('Guzzlette/1.0')
+		->withBaseUri('https://example.com')
+		->withHttpAuth('john', 'doe')
+		->create($handler)
+		->build();
+
+	Assert::same('https://example.com', (string) $client->getConfig('base_uri'));
+	Assert::same('Guzzlette/1.0', $client->getConfig('headers')['User-Agent']);
+	Assert::same(['john', 'doe'], $client->getConfig('auth'));
+});