diff --git a/esphome/components/zephyr_mcumgr/ota/__init__.py b/esphome/components/zephyr_mcumgr/ota/__init__.py
index f9a32d80e0..1a11bab889 100644
--- a/esphome/components/zephyr_mcumgr/ota/__init__.py
+++ b/esphome/components/zephyr_mcumgr/ota/__init__.py
@@ -128,7 +128,7 @@ async def to_code(config):
         zephyr_add_prj_conf("MCUMGR_GRP_OS_MCUMGR_PARAMS", True)
 
         zephyr_add_prj_conf("NCS_SAMPLE_MCUMGR_BT_OTA_DFU_SPEEDUP", True)
-    if config[CONF_HARDWARE_UART]:
+    if CONF_HARDWARE_UART in config:
         cdc_id = UARTS[config[CONF_HARDWARE_UART]][1]
         if cdc_id >= 0:
             zephyr_add_cdc_acm(config, cdc_id)
diff --git a/esphome/components/zephyr_shell/__init__.py b/esphome/components/zephyr_shell/__init__.py
new file mode 100644
index 0000000000..7a9ba19b15
--- /dev/null
+++ b/esphome/components/zephyr_shell/__init__.py
@@ -0,0 +1,31 @@
+import esphome.config_validation as cv
+from esphome.components.zephyr import zephyr_add_prj_conf, zephyr_add_overlay
+
+CONFIG_SCHEMA = cv.Schema({})
+
+
+async def to_code(config):
+    zephyr_add_prj_conf("SHELL", True)
+    # zephyr_ble_server
+    zephyr_add_prj_conf("BT_SHELL", True)
+    # ota
+    zephyr_add_prj_conf("MCUBOOT_SHELL", True)
+    # i2c
+    zephyr_add_prj_conf("I2C_SHELL", True)
+    # zigbee
+    zephyr_add_prj_conf("ZIGBEE_SHELL", True)
+    # select uart for shell
+    zephyr_add_overlay(
+        """
+/ {
+    chosen {
+        zephyr,shell-uart = &cdc_acm_uart1;
+    };
+};
+&zephyr_udc0 {
+    cdc_acm_uart1: cdc_acm_uart1 {
+        compatible = "zephyr,cdc-acm-uart";
+    };
+};
+"""
+    )