diff --git a/tools/updater.hpp b/tools/updater.hpp
new file mode 100644
index 0000000..c17025e
--- /dev/null
+++ b/tools/updater.hpp
@@ -0,0 +1,14 @@
+#pragma once
+
+#include <string>
+
+/**
+ * Attempt to update the BMC's firmware using the interface provided.
+ *
+ * @param[in] interface - the interface to use.
+ * @param[in] imagePath - the path to the image file.
+ * @param[in] signaturePath - the path to the signature file.
+ * @return non-zero on failure.
+ */
+int updaterMain(const std::string& interface, const std::string& imagePath,
+                const std::string& signaturePath);