diff --git a/lib/private/AppConfig.php b/lib/private/AppConfig.php
index 5d753a6ee9ca9..c72a407383205 100644
--- a/lib/private/AppConfig.php
+++ b/lib/private/AppConfig.php
@@ -211,7 +211,7 @@ public function isLazy(string $app, string $key): bool {
 	 * @param string $prefix config keys prefix to search
 	 * @param bool $filtered TRUE to hide sensitive config values. Value are replaced by {@see IConfig::SENSITIVE_VALUE}
 	 *
-	 * @return array<string, string> [configKey => configValue]
+	 * @return array<string, string|int|float|bool|array> [configKey => configValue]
 	 * @since 29.0.0
 	 */
 	public function getAllValues(string $app, string $prefix = '', bool $filtered = false): array {
@@ -219,8 +219,9 @@ public function getAllValues(string $app, string $prefix = '', bool $filtered =
 		// if we want to filter values, we need to get sensitivity
 		$this->loadConfigAll();
 		// array_merge() will remove numeric keys (here config keys), so addition arrays instead
+		$values = $this->formatAppValues($app, ($this->fastCache[$app] ?? []) + ($this->lazyCache[$app] ?? []));
 		$values = array_filter(
-			(($this->fastCache[$app] ?? []) + ($this->lazyCache[$app] ?? [])),
+			$values,
 			function (string $key) use ($prefix): bool {
 				return str_starts_with($key, $prefix); // filter values based on $prefix
 			}, ARRAY_FILTER_USE_KEY
@@ -253,14 +254,14 @@ function (string $key) use ($prefix): bool {
 	 *
 	 * @param string $key config key
 	 * @param bool $lazy search within lazy loaded config
+	 * @param int|null $typedAs enforce type for the returned values ({@see self::VALUE_STRING} and others)
 	 *
-	 * @return array<string, string> [appId => configValue]
+	 * @return array<string, string|int|float|bool|array> [appId => configValue]
 	 * @since 29.0.0
 	 */
-	public function searchValues(string $key, bool $lazy = false): array {
+	public function searchValues(string $key, bool $lazy = false, ?int $typedAs = null): array {
 		$this->assertParams('', $key, true);
 		$this->loadConfig($lazy);
-		$values = [];
 
 		/** @var array<array-key, array<array-key, mixed>> $cache */
 		if ($lazy) {
@@ -269,9 +270,10 @@ public function searchValues(string $key, bool $lazy = false): array {
 			$cache = $this->fastCache;
 		}
 
+		$values = [];
 		foreach (array_keys($cache) as $app) {
 			if (isset($cache[$app][$key])) {
-				$values[$app] = $cache[$app][$key];
+				$values[$app] = $this->convertTypedValue($cache[$app][$key], $typedAs ?? $this->getValueType((string)$app, $key, $lazy));
 			}
 		}
 
@@ -510,9 +512,9 @@ private function getTypedValue(
 	 * @see VALUE_BOOL
 	 * @see VALUE_ARRAY
 	 */
-	public function getValueType(string $app, string $key): int {
+	public function getValueType(string $app, string $key, ?bool $lazy = null): int {
 		$this->assertParams($app, $key);
-		$this->loadConfigAll();
+		$this->loadConfig($lazy);
 
 		if (!isset($this->valueTypes[$app][$key])) {
 			throw new AppConfigUnknownKeyException('unknown config key');
@@ -1369,7 +1371,7 @@ public function getValues($app, $key) {
 
 		$key = ($key === false) ? '' : $key;
 		if (!$app) {
-			return $this->searchValues($key);
+			return $this->searchValues($key, false, self::VALUE_MIXED);
 		} else {
 			return $this->getAllValues($app, $key);
 		}
@@ -1387,6 +1389,58 @@ public function getFilteredValues($app) {
 		return $this->getAllValues($app, filtered: true);
 	}
 
+
+	/**
+	 * **Warning:** avoid default NULL value for $lazy as this will
+	 * load all lazy values from the database
+	 *
+	 * @param string $app
+	 * @param array<string, string> $values ['key' => 'value']
+	 * @param bool|null $lazy
+	 *
+	 * @return array<string, string|int|float|bool|array>
+	 */
+	private function formatAppValues(string $app, array $values, ?bool $lazy = null): array {
+		foreach($values as $key => $value) {
+			try {
+				$type = $this->getValueType($app, $key, $lazy);
+			} catch (AppConfigUnknownKeyException $e) {
+				continue;
+			}
+
+			$values[$key] = $this->convertTypedValue($value, $type);
+		}
+
+		return $values;
+	}
+
+	/**
+	 * convert string value to the expected type
+	 *
+	 * @param string $value
+	 * @param int $type
+	 *
+	 * @return string|int|float|bool|array
+	 */
+	private function convertTypedValue(string $value, int $type): string|int|float|bool|array {
+		switch ($type) {
+			case self::VALUE_INT:
+				return (int)$value;
+			case self::VALUE_FLOAT:
+				return (float)$value;
+			case self::VALUE_BOOL:
+				return in_array(strtolower($value), ['1', 'true', 'yes', 'on']);
+			case self::VALUE_ARRAY:
+				try {
+					return json_decode($value, true, flags: JSON_THROW_ON_ERROR);
+				} catch (JsonException $e) {
+					// ignoreable
+				}
+				break;
+		}
+		return $value;
+	}
+
 	/**
 	 * @param string $app
 	 *
diff --git a/lib/private/AppFramework/Services/AppConfig.php b/lib/private/AppFramework/Services/AppConfig.php
index 1d18baef9ed38..d3dfd3d362b08 100644
--- a/lib/private/AppFramework/Services/AppConfig.php
+++ b/lib/private/AppFramework/Services/AppConfig.php
@@ -97,7 +97,7 @@ public function isLazy(string $key): bool {
 	 * @param string $key config keys prefix to search
 	 * @param bool $filtered TRUE to hide sensitive config values. Value are replaced by {@see IConfig::SENSITIVE_VALUE}
 	 *
-	 * @return array<string, string> [configKey => configValue]
+	 * @return array<string, string|int|float|bool|array> [configKey => configValue]
 	 * @since 29.0.0
 	 */
 	public function getAllAppValues(string $key = '', bool $filtered = false): array {
diff --git a/lib/public/AppFramework/Services/IAppConfig.php b/lib/public/AppFramework/Services/IAppConfig.php
index 9340fdd3c321d..74588ef2c99b0 100644
--- a/lib/public/AppFramework/Services/IAppConfig.php
+++ b/lib/public/AppFramework/Services/IAppConfig.php
@@ -88,7 +88,7 @@ public function isLazy(string $key): bool;
 	 * @param string $key config keys prefix to search, can be empty.
 	 * @param bool $filtered filter sensitive config values
 	 *
-	 * @return array<string, string> [configKey => configValue]
+	 * @return array<string, string|int|float|bool|array> [configKey => configValue]
 	 * @since 29.0.0
 	 */
 	public function getAllAppValues(string $key = '', bool $filtered = false): array;
diff --git a/lib/public/IAppConfig.php b/lib/public/IAppConfig.php
index afcdf67f92c8c..10fc7c9065046 100644
--- a/lib/public/IAppConfig.php
+++ b/lib/public/IAppConfig.php
@@ -140,7 +140,7 @@ public function isLazy(string $app, string $key): bool;
 	 * @param string $prefix config keys prefix to search, can be empty.
 	 * @param bool $filtered filter sensitive config values
 	 *
-	 * @return array<string, string> [configKey => configValue]
+	 * @return array<string, string|int|float|bool|array> [configKey => configValue]
 	 * @since 29.0.0
 	 */
 	public function getAllValues(string $app, string $prefix = '', bool $filtered = false): array;
@@ -151,11 +151,12 @@ public function getAllValues(string $app, string $prefix = '', bool $filtered =
 	 *
 	 * @param string $key config key
 	 * @param bool $lazy search within lazy loaded config
+	 * @param int|null $typedAs enforce type for the returned values {@see self::VALUE_STRING} and others
 	 *
 	 * @return array<string, string|int|float|bool|array> [appId => configValue]
 	 * @since 29.0.0
 	 */
-	public function searchValues(string $key, bool $lazy = false): array;
+	public function searchValues(string $key, bool $lazy = false, ?int $typedAs = null): array;
 
 	/**
 	 * Get config value assigned to a config key.
@@ -261,9 +262,11 @@ public function getValueArray(string $app, string $key, array $default = [], boo
 	 * returns the type of config value
 	 *
 	 * **WARNING:** ignore lazy filtering, all config values are loaded from database
+	 *              unless lazy is set to false
 	 *
 	 * @param string $app id of the app
 	 * @param string $key config key
+	 * @param bool|null $lazy
 	 *
 	 * @return int
 	 * @throws AppConfigUnknownKeyException
@@ -274,7 +277,7 @@ public function getValueArray(string $app, string $key, array $default = [], boo
 	 * @see VALUE_BOOL
 	 * @see VALUE_ARRAY
 	 */
-	public function getValueType(string $app, string $key): int;
+	public function getValueType(string $app, string $key, ?bool $lazy = null): int;
 
 	/**
 	 * Store a config key and its value in database
diff --git a/tests/lib/AppConfigTest.php b/tests/lib/AppConfigTest.php
index 86bd339bc7ef9..5bbc3f56791ea 100644
--- a/tests/lib/AppConfigTest.php
+++ b/tests/lib/AppConfigTest.php
@@ -386,6 +386,21 @@ public function testIsLazyOnUnknownAppThrowsException(): void {
 		$config->isLazy('unknown-app', 'inexistant-key');
 	}
 
+	public function testGetAllValues(): void {
+		$config = $this->generateAppConfig();
+		$this->assertEquals(
+			[
+				'array' => ['test' => 1],
+				'bool' => true,
+				'float' => 3.14,
+				'int' => 42,
+				'mixed' => 'mix',
+				'string' => 'value',
+			],
+			$config->getAllValues('typed')
+		);
+	}
+
 	public function testGetAllValuesWithEmptyApp(): void {
 		$config = $this->generateAppConfig();
 		$this->expectException(InvalidArgumentException::class);