diff --git a/build_as_lib.py b/build_as_lib.py
new file mode 100644
index 00000000..93593cdb
--- /dev/null
+++ b/build_as_lib.py
@@ -0,0 +1,53 @@
+from os.path import join, realpath, exists
+import shutil, os
+
+Import("env")
+
+platform_stm32=False
+platform_esp32=False
+platform_nrf52=False
+platform_rp2040=False
+
+src_filter = []
+src_filter.append("+<*>")
+src_filter.append("-<helpers/ui/*>") # don't build with ui for now ...
+
+for item in env.get("CPPDEFINES", []):
+    if isinstance(item, str) and item == "STM32_PLATFORM":
+        # add STM32 specific sources
+        env.Append(CPPPATH=[realpath("src/helpers/stm32")])
+        platform_stm32=True
+        env.Append(BUILD_FLAGS=["-I src/helpers/stm32"])
+    elif isinstance(item, str) and item == "ESP32":
+        platform_esp32=True
+        env.Append(CPPPATH=[realpath("src/helpers/esp32")])
+        env.Append(BUILD_FLAGS=["-I src/helpers/esp32"])
+    elif isinstance(item, str) and item == "WIO_E5_DEV_VARIANT":
+        env.Append(BUILD_FLAGS=["-I variants/wio-e5-dev"])
+        src_filter.append("+<../variants/wio-e5-dev>")
+    elif isinstance(item, str) and item == "RAK_3X72_VARIANT":
+        env.Append(BUILD_FLAGS=["-I variants/rak3x72"])
+        src_filter.append("+<../variants/rak3x72>")
+    elif isinstance(item, str) and item == "XIAO_S3_WIO_VARIANT":
+        env.Append(BUILD_FLAGS=["-I variants/xiao_s3_wio"])
+        src_filter.append("+<../variants/xiao_s3_wio>")
+    elif isinstance(item, str) and item == "XIAO_C6_VARIANT":
+        env.Append(BUILD_FLAGS=["-I variants/xiao_c6"])
+        src_filter.append("+<../variants/xiao_c6>")
+    elif isinstance(item, str) and item == "GENERIC_ESPNOW_VARIANT":
+        env.Append(BUILD_FLAGS=["-I variants/generic_espnow"])
+        src_filter.append("+<../variants/generic_espnow>")
+        src_filter.append("+<helpers/esp32/ESPNOWRadio.cpp>")
+
+if not platform_stm32:
+    src_filter.append("-<helpers/stm32/*>")
+if not platform_esp32:
+    src_filter.append("-<helpers/esp32/*>")
+if not platform_nrf52:
+    src_filter.append("-<helpers/nrf52/*>")
+if not platform_rp2040:
+    src_filter.append("-<helpers/rp2040/*>")
+
+env.Replace(SRC_FILTER=src_filter)
+
+print (env.Dump())
diff --git a/library.json b/library.json
new file mode 100644
index 00000000..982983a3
--- /dev/null
+++ b/library.json
@@ -0,0 +1,16 @@
+{
+    "name": "MeshCore",
+    "version" : "1.7.4",
+    "dependencies": {
+        "SPI": "*",
+        "Wire": "*",
+        "jgromes/RadioLib": "^7.1.2",
+        "rweather/Crypto": "^0.4.0",
+        "adafruit/RTClib": "^2.1.3",
+        "melopero/Melopero RV3028": "^1.1.0",
+        "electroniccats/CayenneLPP": "1.4.0"
+    },
+    "build": {
+        "extraScript": "build_as_lib.py"
+    }
+}
\ No newline at end of file