diff --git a/components/openthread/CMakeLists.txt b/components/openthread/CMakeLists.txt
index f28dd01769..a1646669fa 100644
--- a/components/openthread/CMakeLists.txt
+++ b/components/openthread/CMakeLists.txt
@@ -5,14 +5,12 @@ if(${idf_target} STREQUAL "linux")
 endif()
 
 if(CONFIG_OPENTHREAD_ENABLED OR CONFIG_IDF_DOC_BUILD OR CONFIG_OPENTHREAD_SPINEL_ONLY)
-
     set(public_include_dirs
         "include"
         "openthread/include")
 endif()
 
 if(CONFIG_OPENTHREAD_ENABLED)
-
     set(private_include_dirs
         "openthread/examples/platforms"
         "openthread/src"
@@ -24,243 +22,18 @@ if(CONFIG_OPENTHREAD_ENABLED)
         "openthread/src/ncp"
         "private_include")
 
-    set(src_dirs
-        "src"
-        "src/port"
-        "openthread/examples/platforms/utils"
-        "openthread/src/core/api"
-        "openthread/src/core/common"
-        "openthread/src/core/crypto"
-        "openthread/src/core/diags"
-        "openthread/src/core/instance"
-        "openthread/src/core/mac"
-        "openthread/src/core/radio"
-        "openthread/src/core/thread"
-        "openthread/src/core/utils"
-        "openthread/src/lib/hdlc"
-        "openthread/src/lib/spinel")
-
-    set(exclude_srcs
-        "openthread/examples/platforms/utils/logging_rtt.c"
-        "openthread/examples/platforms/utils/soft_source_match_table.c"
-        "openthread/src/core/instance/extension_example.cpp"
-        "openthread/src/core/crypto/crypto_platform_mbedtls.cpp"
-        "openthread/src/core/api/random_crypto_api.cpp"
-        )
-
-
-    if(CONFIG_OPENTHREAD_FTD OR CONFIG_OPENTHREAD_MTD)
-        list(APPEND src_dirs
-            "openthread/src/core/backbone_router"
-            "openthread/src/core/coap"
-            "openthread/src/core/meshcop"
-            "openthread/src/core/net"
-            "openthread/src/lib/platform")
-
-        if(CONFIG_OPENTHREAD_CLI)
-            list(APPEND src_dirs
-                "openthread/examples/apps/cli"
-                "openthread/src/cli")
-
-            list(APPEND exclude_srcs
-                "openthread/examples/apps/cli/main.c")
-        endif()
-
-    elseif(CONFIG_OPENTHREAD_RADIO)
-        list(APPEND src_dirs
-            "openthread/src/ncp"
-            "openthread/examples/apps/ncp")
-
-        list(APPEND exclude_srcs
-            "src/port/esp_openthread_state.c"
-            "openthread/examples/apps/ncp/main.c"
-            "openthread/src/core/api/backbone_router_api.cpp"
-            "openthread/src/core/api/child_supervision_api.cpp"
-            "openthread/src/core/api/dataset_api.cpp"
-            "openthread/src/core/api/dns_api.cpp"
-            "openthread/src/core/api/entropy_api.cpp"
-            "openthread/src/core/api/heap_api.cpp"
-            "openthread/src/core/api/icmp6_api.cpp"
-            "openthread/src/core/api/ip6_api.cpp"
-            "openthread/src/core/api/link_api.cpp"
-            "openthread/src/core/api/link_metrics_api.cpp"
-            "openthread/src/core/api/message_api.cpp"
-            "openthread/src/core/api/nat64_api.cpp"
-            "openthread/src/core/api/netdata_api.cpp"
-            "openthread/src/core/api/netdiag_api.cpp"
-            "openthread/src/core/api/network_time_api.cpp"
-            "openthread/src/core/api/random_crypto_api.cpp"
-            "openthread/src/core/api/tcp_api.cpp"
-            "openthread/src/core/api/udp_api.cpp"
-            "openthread/src/core/common/heap.cpp"
-            "openthread/src/core/common/heap_string.cpp"
-            "openthread/src/core/common/notifier.cpp"
-            "openthread/src/core/common/settings.cpp"
-            "openthread/src/core/common/time_ticker.cpp"
-            "openthread/src/core/mac/channel_mask.cpp"
-            "openthread/src/core/mac/data_poll_handler.cpp"
-            "openthread/src/core/mac/data_poll_sender.cpp"
-            "openthread/src/core/mac/mac.cpp"
-            "openthread/src/core/mac/mac_filter.cpp"
-            "openthread/src/core/mac/mac_links.cpp"
-            "openthread/src/core/thread/announce_begin_server.cpp"
-            "openthread/src/core/thread/announce_sender.cpp"
-            "openthread/src/core/thread/address_resolver.cpp"
-            "openthread/src/core/thread/child.cpp"
-            "openthread/src/core/thread/child_supervision.cpp"
-            "openthread/src/core/thread/csl_tx_scheduler.cpp"
-            "openthread/src/core/thread/discover_scanner.cpp"
-            "openthread/src/core/thread/energy_scan_server.cpp"
-            "openthread/src/core/thread/indirect_sender.cpp"
-            "openthread/src/core/thread/key_manager.cpp"
-            "openthread/src/core/thread/link_metrics.cpp"
-            "openthread/src/core/thread/lowpan.cpp"
-            "openthread/src/core/thread/mesh_forwarder.cpp"
-            "openthread/src/core/thread/mesh_forwarder_ftd.cpp"
-            "openthread/src/core/thread/mesh_forwarder_mtd.cpp"
-            "openthread/src/core/thread/message_framer.cpp"
-            "openthread/src/core/thread/mle.cpp"
-            "openthread/src/core/thread/mle_ftd.cpp"
-            "openthread/src/core/thread/mle_p2p.cpp"
-            "openthread/src/core/thread/mle_router.cpp"
-            "openthread/src/core/thread/mle_types.cpp"
-            "openthread/src/core/thread/neighbor.cpp"
-            "openthread/src/core/thread/neighbor_table.cpp"
-            "openthread/src/core/thread/network_data.cpp"
-            "openthread/src/core/thread/network_data_leader.cpp"
-            "openthread/src/core/thread/network_data_leader_ftd.cpp"
-            "openthread/src/core/thread/network_data_types.cpp"
-            "openthread/src/core/thread/network_data_service.cpp"
-            "openthread/src/core/thread/network_diagnostic.cpp"
-            "openthread/src/core/thread/network_diagnostic_tlvs.cpp"
-            "openthread/src/core/thread/panid_query_server.cpp"
-            "openthread/src/core/thread/router.cpp"
-            "openthread/src/core/thread/thread_netif.cpp"
-            "openthread/src/core/thread/time_sync_service.cpp"
-            "openthread/src/core/thread/tmf.cpp"
-            "openthread/src/core/thread/topology.cpp"
-            "openthread/src/core/utils/child_supervision.cpp")
-    endif()
-
-    if(CONFIG_OPENTHREAD_RADIO_NATIVE)
-        list(APPEND exclude_srcs
-            "src/port/esp_openthread_radio_spinel.cpp"
-            "src/port/esp_spi_spinel_interface.cpp"
-            "src/port/esp_uart_spinel_interface.cpp"
-            )
-    elseif(CONFIG_OPENTHREAD_RADIO_SPINEL_UART OR CONFIG_OPENTHREAD_RADIO_SPINEL_SPI)
-        list(APPEND exclude_srcs
-            "src/port/esp_openthread_radio.c"
-            "src/port/esp_openthread_sleep.c")
-    elseif(CONFIG_OPENTHREAD_RADIO_154_NONE)
-        list(APPEND exclude_srcs
-            "src/port/esp_openthread_radio_spinel.cpp"
-            "src/port/esp_spi_spinel_interface.cpp"
-            "src/port/esp_uart_spinel_interface.cpp"
-            "src/port/esp_openthread_radio.c"
-            "src/port/esp_openthread_sleep.c"
-            )
-    endif()
-
-    if(NOT CONFIG_OPENTHREAD_RADIO_TREL)
-        list(APPEND exclude_srcs
-            "src/port/esp_openthread_trel.c")
-    endif()
-
-    if(CONFIG_OPENTHREAD_BORDER_ROUTER)
-        list(APPEND src_dirs
-            "openthread/src/core/border_router")
-    endif()
-
-    if(CONFIG_OPENTHREAD_FTD)
-        set_source_files_properties("openthread/src/core/net/srp_server.cpp"
-            PROPERTIES COMPILE_FLAGS
-            -Wno-maybe-uninitialized)
-    endif()
-
-    if(CONFIG_OPENTHREAD_NCP_VENDOR_HOOK)
-        list(APPEND src_dirs
-            "src/ncp")
-        if(CONFIG_OPENTHREAD_RCP_UART OR CONFIG_OPENTHREAD_RCP_USB_SERIAL_JTAG)
-            list(APPEND exclude_srcs
-                "src/ncp/esp_openthread_ncp_spi.cpp")
-        elseif(CONFIG_OPENTHREAD_RCP_SPI)
-            list(APPEND exclude_srcs
-                "src/ncp/esp_openthread_ncp_hdlc.cpp")
-        endif()
-    endif()
-
-    if(NOT CONFIG_OPENTHREAD_DNS64_CLIENT)
-        list(APPEND exclude_srcs
-            "src/esp_openthread_dns64.c")
-    endif()
-
-    if(NOT CONFIG_FREERTOS_USE_TICKLESS_IDLE)
-        list(APPEND exclude_srcs
-            "src/port/esp_openthread_sleep.c")
-    endif()
-
-    if(NOT CONFIG_OPENTHREAD_PLATFORM_MSGPOOL_MANAGEMENT)
-        list(APPEND exclude_srcs
-            "src/port/esp_openthread_messagepool.c")
-    endif()
-
-    if(NOT CONFIG_OPENTHREAD_RCP_SPINEL_CONSOLE)
-        list(APPEND exclude_srcs
-            "src/ncp/esp_openthread_ncp_console.cpp")
-    endif()
-
     if(CONFIG_OPENTHREAD_FTD)
+        include(srcs_ftd_mtd.cmake)
         set(device_type "OPENTHREAD_FTD=1")
     elseif(CONFIG_OPENTHREAD_MTD)
+        include(srcs_ftd_mtd.cmake)
         set(device_type "OPENTHREAD_MTD=1")
     elseif(CONFIG_OPENTHREAD_RADIO)
+        include(srcs_radio.cmake)
         set(device_type "OPENTHREAD_RADIO=1")
     endif()
 elseif(CONFIG_OPENTHREAD_SPINEL_ONLY)
-
-    set(src_dirs
-        "src/spinel"
-        "src/port"
-        "openthread/src/lib/spinel"
-        "openthread/src/lib/hdlc"
-        "openthread/src/lib/platform"
-        "openthread/src/core/api"
-        "openthread/src/core/common"
-        "openthread/src/core/mac")
-
-    set(private_include_dirs
-        "private_include"
-        "openthread/src"
-        "openthread/src/core"
-        "openthread/src/include"
-        "openthread/src/lib"
-        "openthread/src/lib/hdlc"
-        "openthread/src/lib/spinel")
-
-    file(GLOB_RECURSE exclude_srcs_list
-        "src/port/*"
-        "openthread/src/core/api/*.cpp"
-        "openthread/src/core/common/*"
-        "openthread/src/core/mac/*")
-
-    list(REMOVE_ITEM exclude_srcs_list
-        "${CMAKE_CURRENT_SOURCE_DIR}/src/port/esp_openthread_alarm.c"
-        "${CMAKE_CURRENT_SOURCE_DIR}/src/port/esp_openthread_logging.c"
-        "${CMAKE_CURRENT_SOURCE_DIR}/openthread/src/core/api/error_api.cpp"
-        "${CMAKE_CURRENT_SOURCE_DIR}/openthread/src/core/api/logging_api.cpp"
-        "${CMAKE_CURRENT_SOURCE_DIR}/openthread/src/core/common/error.cpp"
-        "${CMAKE_CURRENT_SOURCE_DIR}/openthread/src/core/common/error.hpp"
-        "${CMAKE_CURRENT_SOURCE_DIR}/openthread/src/core/common/log.cpp"
-        "${CMAKE_CURRENT_SOURCE_DIR}/openthread/src/core/common/log.hpp"
-        "${CMAKE_CURRENT_SOURCE_DIR}/openthread/src/core/common/logging.hpp"
-        "${CMAKE_CURRENT_SOURCE_DIR}/openthread/src/core/common/string.cpp"
-        "${CMAKE_CURRENT_SOURCE_DIR}/openthread/src/core/common/string.hpp"
-        "${CMAKE_CURRENT_SOURCE_DIR}/openthread/src/core/mac/mac_frame.cpp"
-        "${CMAKE_CURRENT_SOURCE_DIR}/openthread/src/core/mac/mac_frame.hpp")
-
-    list(APPEND exclude_srcs ${exclude_srcs_list})
-
+    include(srcs_spinel.cmake)
 endif()
 
 if(CONFIG_OPENTHREAD_HEADER_CUSTOM)
@@ -287,14 +60,49 @@ string(CONCAT OT_FULL_VERSION_STRING
        "${IDF_VERSION_FOR_OPENTHREAD_PACKAGE}-${OPENTHREAD_VERSION}\; "
        "${CONFIG_OPENTHREAD_PLATFORM_INFO}\; ${OT_BUILD_TIMESTAMP}")
 
-idf_component_register(SRC_DIRS "${src_dirs}"
-                       EXCLUDE_SRCS "${exclude_srcs}"
-                       INCLUDE_DIRS "${public_include_dirs}"
-                       PRIV_INCLUDE_DIRS "${private_include_dirs}"
-                       REQUIRES esp_netif lwip esp_driver_uart esp_driver_gpio esp_driver_spi esp_driver_usb_serial_jtag
-                       LDFRAGMENTS linker.lf
-                       PRIV_REQUIRES console esp_coex esp_event esp_partition esp_timer
-                                     ieee802154 mbedtls nvs_flash)
+# Register component based on mode
+if(CONFIG_OPENTHREAD_FTD OR CONFIG_OPENTHREAD_MTD)
+    # FTD/MTD modes use directory-based collection from srcs_ftd_mtd.cmake
+    idf_component_register(SRC_DIRS "${src_dirs}"
+                           EXCLUDE_SRCS "${exclude_srcs}"
+                           INCLUDE_DIRS "${public_include_dirs}"
+                           PRIV_INCLUDE_DIRS "${private_include_dirs}"
+                           REQUIRES esp_netif lwip esp_driver_uart esp_driver_gpio esp_driver_spi
+                                    esp_driver_usb_serial_jtag
+                           LDFRAGMENTS linker.lf
+                           PRIV_REQUIRES console esp_coex esp_event esp_partition esp_timer
+                                         ieee802154 mbedtls nvs_flash)
+elseif(CONFIG_OPENTHREAD_RADIO)
+    # RCP mode uses explicit source list from srcs_radio.cmake
+    idf_component_register(SRCS ${rcp_srcs}
+                           INCLUDE_DIRS "${public_include_dirs}"
+                           PRIV_INCLUDE_DIRS "${private_include_dirs}"
+                           REQUIRES esp_netif lwip esp_driver_uart esp_driver_gpio esp_driver_spi
+                                    esp_driver_usb_serial_jtag
+                           LDFRAGMENTS linker.lf
+                           PRIV_REQUIRES console esp_coex esp_event esp_partition esp_timer
+                                         ieee802154 mbedtls nvs_flash)
+elseif(CONFIG_OPENTHREAD_SPINEL_ONLY)
+    # SPINEL_ONLY mode uses explicit source list from srcs_spinel.cmake
+    idf_component_register(SRCS ${spinel_srcs}
+                           INCLUDE_DIRS "${public_include_dirs}"
+                           PRIV_INCLUDE_DIRS "${private_include_dirs}"
+                           REQUIRES esp_netif lwip esp_driver_uart esp_driver_gpio esp_driver_spi
+                                    esp_driver_usb_serial_jtag
+                           LDFRAGMENTS linker.lf
+                           PRIV_REQUIRES console esp_coex esp_event esp_partition esp_timer
+                                         ieee802154 mbedtls nvs_flash)
+else()
+    # This is not supposed to happen, but in older versions of IDF components couldn't be selectively
+    # enabled based on KConfig options so some examples just included openthread for all configs.
+    idf_component_register(INCLUDE_DIRS "${public_include_dirs}"
+                           PRIV_INCLUDE_DIRS "${private_include_dirs}"
+                           REQUIRES esp_netif lwip esp_driver_uart esp_driver_gpio esp_driver_spi
+                                    esp_driver_usb_serial_jtag
+                           LDFRAGMENTS linker.lf
+                           PRIV_REQUIRES console esp_coex esp_event esp_partition esp_timer
+                                         ieee802154 mbedtls nvs_flash)
+endif()
 
 if(CONFIG_OPENTHREAD_RADIO_TREL)
     idf_component_optional_requires(PRIVATE espressif__mdns)
diff --git a/components/openthread/linker.lf b/components/openthread/linker.lf
index 58c830c8e7..4be6622a08 100644
--- a/components/openthread/linker.lf
+++ b/components/openthread/linker.lf
@@ -2,13 +2,13 @@
 archive: libopenthread.a
 entries:
   if OPENTHREAD_TIMING_OPTIMIZATION = y:
-    link_metrics (noflash)
     link_quality (noflash)
     mac_frame (noflash)
     radio (noflash)
     sub_mac (noflash)
 
   if OPENTHREAD_TIMING_OPTIMIZATION = y && OPENTHREAD_RADIO = n:
+    link_metrics (noflash)
     mesh_forwarder (noflash)
     csl_tx_scheduler (noflash)
     mac (noflash)
diff --git a/components/openthread/src/esp_openthread_platform.cpp b/components/openthread/src/esp_openthread_platform.cpp
index f16891d69c..82185a1ec6 100644
--- a/components/openthread/src/esp_openthread_platform.cpp
+++ b/components/openthread/src/esp_openthread_platform.cpp
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: 2021-2025 Espressif Systems (Shanghai) CO LTD
+ * SPDX-FileCopyrightText: 2021-2026 Espressif Systems (Shanghai) CO LTD
  *
  * SPDX-License-Identifier: Apache-2.0
  */
@@ -179,11 +179,21 @@ esp_err_t esp_openthread_platform_deinit(void)
     esp_openthread_task_queue_deinit();
     esp_openthread_radio_deinit();
 
-    if (get_host_connection_mode() == HOST_CONNECTION_MODE_RCP_SPI){
+    esp_openthread_host_connection_mode_t host_mode = get_host_connection_mode();
+    switch (host_mode) {
+#if CONFIG_OPENTHREAD_RCP_SPI
+    case HOST_CONNECTION_MODE_RCP_SPI:
         esp_openthread_spi_slave_deinit();
-    } else if (get_host_connection_mode() == HOST_CONNECTION_MODE_CLI_UART ||
-        get_host_connection_mode() == HOST_CONNECTION_MODE_RCP_UART) {
+        break;
+#endif
+#if CONFIG_OPENTHREAD_RCP_UART || CONFIG_OPENTHREAD_CONSOLE_TYPE_UART
+    case HOST_CONNECTION_MODE_RCP_UART:
+    case HOST_CONNECTION_MODE_CLI_UART:
         esp_openthread_uart_deinit();
+        break;
+#endif
+    default:
+        break;
     }
 
     esp_openthread_lock_deinit();
diff --git a/components/openthread/srcs_ftd_mtd.cmake b/components/openthread/srcs_ftd_mtd.cmake
new file mode 100644
index 0000000000..e8cee70187
--- /dev/null
+++ b/components/openthread/srcs_ftd_mtd.cmake
@@ -0,0 +1,116 @@
+# SPDX-FileCopyrightText: 2026 Espressif Systems (Shanghai) CO LTD
+# SPDX-License-Identifier: Apache-2.0
+
+# Source files for FTD (Full Thread Device) and MTD (Minimal Thread Device) modes.
+# Uses directory-based collection with exclusions.
+
+set(src_dirs
+    "src"
+    "src/port"
+    "openthread/examples/platforms/utils"
+    "openthread/src/core/api"
+    "openthread/src/core/common"
+    "openthread/src/core/crypto"
+    "openthread/src/core/diags"
+    "openthread/src/core/instance"
+    "openthread/src/core/mac"
+    "openthread/src/core/radio"
+    "openthread/src/core/thread"
+    "openthread/src/core/utils"
+    "openthread/src/lib/hdlc"
+    "openthread/src/lib/spinel"
+    "openthread/src/core/backbone_router"
+    "openthread/src/core/coap"
+    "openthread/src/core/meshcop"
+    "openthread/src/core/net"
+    "openthread/src/lib/platform"
+)
+
+set(exclude_srcs
+    "openthread/examples/platforms/utils/logging_rtt.c"
+    "openthread/examples/platforms/utils/soft_source_match_table.c"
+    "openthread/src/core/instance/extension_example.cpp"
+    "openthread/src/core/crypto/crypto_platform_mbedtls.cpp"
+    "openthread/src/core/api/random_crypto_api.cpp"
+)
+
+# CLI sources
+if(CONFIG_OPENTHREAD_CLI)
+    list(APPEND src_dirs
+        "openthread/examples/apps/cli"
+        "openthread/src/cli")
+    list(APPEND exclude_srcs
+        "openthread/examples/apps/cli/main.c")
+endif()
+
+# Radio interface exclusions
+if(CONFIG_OPENTHREAD_RADIO_NATIVE)
+    list(APPEND exclude_srcs
+        "src/port/esp_openthread_radio_spinel.cpp"
+        "src/port/esp_spi_spinel_interface.cpp"
+        "src/port/esp_uart_spinel_interface.cpp")
+elseif(CONFIG_OPENTHREAD_RADIO_SPINEL_UART OR CONFIG_OPENTHREAD_RADIO_SPINEL_SPI)
+    list(APPEND exclude_srcs
+        "src/port/esp_openthread_radio.c"
+        "src/port/esp_openthread_sleep.c")
+elseif(CONFIG_OPENTHREAD_RADIO_154_NONE)
+    list(APPEND exclude_srcs
+        "src/port/esp_openthread_radio_spinel.cpp"
+        "src/port/esp_spi_spinel_interface.cpp"
+        "src/port/esp_uart_spinel_interface.cpp"
+        "src/port/esp_openthread_radio.c"
+        "src/port/esp_openthread_sleep.c")
+endif()
+
+# TREL
+if(NOT CONFIG_OPENTHREAD_RADIO_TREL)
+    list(APPEND exclude_srcs
+        "src/port/esp_openthread_trel.c")
+endif()
+
+# Border router
+if(CONFIG_OPENTHREAD_BORDER_ROUTER)
+    list(APPEND src_dirs
+        "openthread/src/core/border_router")
+endif()
+
+# FTD-specific
+if(CONFIG_OPENTHREAD_FTD)
+    set_source_files_properties("openthread/src/core/net/srp_server.cpp"
+        PROPERTIES COMPILE_FLAGS
+        -Wno-maybe-uninitialized)
+endif()
+
+# NCP vendor hook
+if(CONFIG_OPENTHREAD_NCP_VENDOR_HOOK)
+    list(APPEND src_dirs
+        "src/ncp")
+    if(CONFIG_OPENTHREAD_RCP_UART OR CONFIG_OPENTHREAD_RCP_USB_SERIAL_JTAG)
+        list(APPEND exclude_srcs
+            "src/ncp/esp_openthread_ncp_spi.cpp")
+    elseif(CONFIG_OPENTHREAD_RCP_SPI)
+        list(APPEND exclude_srcs
+            "src/ncp/esp_openthread_ncp_hdlc.cpp")
+    endif()
+endif()
+
+# Optional features
+if(NOT CONFIG_OPENTHREAD_DNS64_CLIENT)
+    list(APPEND exclude_srcs
+        "src/esp_openthread_dns64.c")
+endif()
+
+if(NOT CONFIG_FREERTOS_USE_TICKLESS_IDLE)
+    list(APPEND exclude_srcs
+        "src/port/esp_openthread_sleep.c")
+endif()
+
+if(NOT CONFIG_OPENTHREAD_PLATFORM_MSGPOOL_MANAGEMENT)
+    list(APPEND exclude_srcs
+        "src/port/esp_openthread_messagepool.c")
+endif()
+
+if(NOT CONFIG_OPENTHREAD_RCP_SPINEL_CONSOLE)
+    list(APPEND exclude_srcs
+        "src/ncp/esp_openthread_ncp_console.cpp")
+endif()
diff --git a/components/openthread/srcs_radio.cmake b/components/openthread/srcs_radio.cmake
new file mode 100644
index 0000000000..9d929c1005
--- /dev/null
+++ b/components/openthread/srcs_radio.cmake
@@ -0,0 +1,97 @@
+# SPDX-FileCopyrightText: 2026 Espressif Systems (Shanghai) CO LTD
+# SPDX-License-Identifier: Apache-2.0
+
+# Source files for RCP (Radio Co-Processor) mode.
+# Uses explicit whitelist to avoid including non-RCP-compatible files.
+# This prevents new OpenThread files from breaking RCP builds.
+
+set(rcp_srcs
+    # OpenThread core - RADIO_COMMON_SOURCES from openthread/src/core/CMakeLists.txt
+    # No need for crypto/crypto_platform_mbedtls.cpp because we use esp-idf implementation
+    openthread/src/core/api/diags_api.cpp
+    openthread/src/core/api/error_api.cpp
+    openthread/src/core/api/instance_api.cpp
+    openthread/src/core/api/link_raw_api.cpp
+    openthread/src/core/api/logging_api.cpp
+    openthread/src/core/api/random_noncrypto_api.cpp
+    openthread/src/core/api/tasklet_api.cpp
+    openthread/src/core/common/binary_search.cpp
+    openthread/src/core/common/error.cpp
+    openthread/src/core/common/frame_builder.cpp
+    openthread/src/core/common/log.cpp
+    openthread/src/core/common/random.cpp
+    openthread/src/core/common/string.cpp
+    openthread/src/core/common/tasklet.cpp
+    openthread/src/core/common/timer.cpp
+    openthread/src/core/common/uptime.cpp
+    openthread/src/core/crypto/aes_ccm.cpp
+    openthread/src/core/crypto/aes_ecb.cpp
+    openthread/src/core/crypto/crypto_platform_psa.cpp
+    openthread/src/core/crypto/storage.cpp
+    openthread/src/core/diags/factory_diags.cpp
+    openthread/src/core/instance/instance.cpp
+    openthread/src/core/mac/link_raw.cpp
+    openthread/src/core/mac/mac_frame.cpp
+    openthread/src/core/mac/mac_header_ie.cpp
+    openthread/src/core/mac/mac_types.cpp
+    openthread/src/core/mac/sub_mac.cpp
+    openthread/src/core/mac/sub_mac_callbacks.cpp
+    openthread/src/core/mac/sub_mac_csl_receiver.cpp
+    openthread/src/core/mac/sub_mac_wed.cpp
+    openthread/src/core/radio/radio.cpp
+    openthread/src/core/radio/radio_callbacks.cpp
+    openthread/src/core/radio/radio_platform.cpp
+    openthread/src/core/thread/link_quality.cpp
+    openthread/src/core/utils/otns.cpp
+    openthread/src/core/utils/parse_cmdline.cpp
+    openthread/src/core/utils/power_calibration.cpp
+    # Platform utils
+    openthread/examples/platforms/utils/mac_frame.cpp
+    # HDLC library
+    openthread/src/lib/hdlc/hdlc.cpp
+    # Spinel library
+    openthread/src/lib/spinel/spinel.c
+    openthread/src/lib/spinel/spinel_buffer.cpp
+    openthread/src/lib/spinel/spinel_decoder.cpp
+    openthread/src/lib/spinel/spinel_encoder.cpp
+    # NCP
+    openthread/src/ncp/changed_props_set.cpp
+    openthread/src/ncp/ncp_base.cpp
+    openthread/src/ncp/ncp_base_dispatcher.cpp
+    openthread/src/ncp/ncp_base_radio.cpp
+    openthread/examples/apps/ncp/ncp.c
+    # ESP port
+    src/port/esp_openthread_alarm.c
+    src/port/esp_openthread_logging.c
+    src/port/esp_openthread_misc.c
+    src/port/esp_openthread_radio.c
+    src/port/esp_openthread_settings.c
+    # ESP sources
+    src/esp_openthread.cpp
+    src/esp_openthread_lock.c
+    src/esp_openthread_platform.cpp
+    src/esp_openthread_task_queue.c
+    # ESP NCP
+    src/ncp/esp_openthread_ncp.cpp
+)
+
+# Conditional sources based on host connection mode
+if(CONFIG_OPENTHREAD_RCP_UART OR CONFIG_OPENTHREAD_RCP_USB_SERIAL_JTAG)
+    list(APPEND rcp_srcs
+        openthread/src/ncp/ncp_hdlc.cpp
+        src/port/esp_openthread_uart.c)
+    if(CONFIG_OPENTHREAD_NCP_VENDOR_HOOK)
+        list(APPEND rcp_srcs src/ncp/esp_openthread_ncp_hdlc.cpp)
+    endif()
+elseif(CONFIG_OPENTHREAD_RCP_SPI)
+    list(APPEND rcp_srcs
+        openthread/src/ncp/ncp_spi.cpp
+        src/port/esp_openthread_spi_slave.c)
+    if(CONFIG_OPENTHREAD_NCP_VENDOR_HOOK)
+        list(APPEND rcp_srcs src/ncp/esp_openthread_ncp_spi.cpp)
+    endif()
+endif()
+
+if(CONFIG_OPENTHREAD_NCP_VENDOR_HOOK AND CONFIG_OPENTHREAD_RCP_SPINEL_CONSOLE)
+    list(APPEND rcp_srcs src/ncp/esp_openthread_ncp_console.cpp)
+endif()
diff --git a/components/openthread/srcs_spinel.cmake b/components/openthread/srcs_spinel.cmake
new file mode 100644
index 0000000000..0dd7daf407
--- /dev/null
+++ b/components/openthread/srcs_spinel.cmake
@@ -0,0 +1,45 @@
+# SPDX-FileCopyrightText: 2026 Espressif Systems (Shanghai) CO LTD
+# SPDX-License-Identifier: Apache-2.0
+
+# Source files for SPINEL_ONLY mode.
+# Minimal build for host-side spinel communication.
+# Uses explicit whitelist for clarity.
+
+set(private_include_dirs
+    "private_include"
+    "openthread/src"
+    "openthread/src/core"
+    "openthread/src/include"
+    "openthread/src/lib"
+    "openthread/src/lib/hdlc"
+    "openthread/src/lib/spinel"
+)
+
+set(spinel_srcs
+    # ESP spinel sources
+    src/spinel/esp_radio_spinel.cpp
+    src/spinel/esp_radio_spinel_uart_interface.cpp
+    # ESP port (minimal)
+    src/port/esp_openthread_alarm.c
+    src/port/esp_openthread_logging.c
+    # OpenThread spinel library
+    openthread/src/lib/spinel/spinel.c
+    openthread/src/lib/spinel/spinel_buffer.cpp
+    openthread/src/lib/spinel/spinel_decoder.cpp
+    openthread/src/lib/spinel/spinel_encoder.cpp
+    openthread/src/lib/spinel/spinel_helper.cpp
+    openthread/src/lib/spinel/radio_spinel.cpp
+    openthread/src/lib/spinel/spinel_driver.cpp
+    openthread/src/lib/spinel/logger.cpp
+    # OpenThread HDLC library
+    openthread/src/lib/hdlc/hdlc.cpp
+    # OpenThread platform library
+    openthread/src/lib/platform/exit_code.c
+    # OpenThread core (minimal)
+    openthread/src/core/api/error_api.cpp
+    openthread/src/core/api/logging_api.cpp
+    openthread/src/core/common/error.cpp
+    openthread/src/core/common/log.cpp
+    openthread/src/core/common/string.cpp
+    openthread/src/core/mac/mac_frame.cpp
+)