diff --git a/Cargo.lock b/Cargo.lock
index f5ffc4d..021cb88 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2222,6 +2222,7 @@ dependencies = [
  "trx-frontend-http",
  "trx-frontend-http-json",
  "trx-frontend-rigctl",
+ "trx-protocol",
 ]
 
 [[package]]
@@ -2268,6 +2269,7 @@ dependencies = [
  "tracing",
  "trx-core",
  "trx-frontend",
+ "trx-protocol",
 ]
 
 [[package]]
@@ -2288,6 +2290,15 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "trx-protocol"
+version = "0.1.0"
+dependencies = [
+ "serde",
+ "serde_json",
+ "trx-core",
+]
+
 [[package]]
 name = "trx-server"
 version = "0.1.0"
@@ -2308,6 +2319,7 @@ dependencies = [
  "trx-backend",
  "trx-core",
  "trx-ft8",
+ "trx-protocol",
 ]
 
 [[package]]
diff --git a/Cargo.toml b/Cargo.toml
index 54d396c..6c37c38 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -5,6 +5,8 @@
 [workspace]
 members = [
     "src/trx-ft8",
+    "src/trx-core",
+    "src/trx-protocol",
     "src/trx-server",
     "src/trx-server/trx-backend",
     "src/trx-server/trx-backend/trx-backend-ft817",
@@ -14,7 +16,6 @@ members = [
     "src/trx-client/trx-frontend/trx-frontend-http",
     "src/trx-client/trx-frontend/trx-frontend-http-json",
     "src/trx-client/trx-frontend/trx-frontend-rigctl",
-    "src/trx-core",
 ]
 resolver = "2"