diff --git a/character-service/build.rs b/character-service/build.rs
new file mode 100644
index 0000000..99ef439
--- /dev/null
+++ b/character-service/build.rs
@@ -0,0 +1,16 @@
+fn main() {
+    // gRPC Server code
+    tonic_build::configure()
+        .build_server(true) // Generate gRPC server code
+        .compile_well_known_types(true)
+        .type_attribute(".", "#[derive(serde::Serialize, serde::Deserialize)]")
+        .compile_protos(&["../proto/character.proto"], &["../proto"])
+        .unwrap_or_else(|e| panic!("Failed to compile protos {:?}", e));
+    
+    // gRPC Client code
+    tonic_build::configure()
+        .build_server(false) // Generate gRPC client code
+        .compile_well_known_types(true)
+        .compile_protos(&["../proto/database.proto", "../proto/auth.proto"], &["../proto"])
+        .unwrap_or_else(|e| panic!("Failed to compile protos {:?}", e));
+}
diff --git a/proto/character.proto b/proto/character.proto
new file mode 100644
index 0000000..772a51c
--- /dev/null
+++ b/proto/character.proto
@@ -0,0 +1,16 @@
+syntax = "proto3";
+
+package character;
+
+service CharacterService {
+    rpc GetCharacterList(CharacterListRequest) returns (CharacterListResponse);
+}
+
+message CharacterListRequest {
+    string token = 1;
+    string user_id = 2;
+}
+
+message CharacterListResponse {
+    int32 count = 1;
+}
diff --git a/proto/world.proto b/proto/world.proto
new file mode 100644
index 0000000..6bb5a8c
--- /dev/null
+++ b/proto/world.proto
@@ -0,0 +1,17 @@
+syntax = "proto3";
+
+package character;
+
+service CharacterService {
+    rpc GetCharacter(CharacterRequest) returns (CharacterResponse);
+}
+
+message CharacterRequest {
+    string token = 1;
+    string user_id = 2;
+    string char_id = 3;
+}
+
+message CharacterResponse {
+    int32 count = 1;
+}
diff --git a/world-service/build.rs b/world-service/build.rs
new file mode 100644
index 0000000..899f569
--- /dev/null
+++ b/world-service/build.rs
@@ -0,0 +1,16 @@
+fn main() {
+    // gRPC Server code
+    tonic_build::configure()
+        .build_server(true) // Generate gRPC server code
+        .compile_well_known_types(true)
+        .type_attribute(".", "#[derive(serde::Serialize, serde::Deserialize)]")
+        .compile_protos(&["../proto/world.proto"], &["../proto"])
+        .unwrap_or_else(|e| panic!("Failed to compile protos {:?}", e));
+    
+    // gRPC Client code
+    tonic_build::configure()
+        .build_server(false) // Generate gRPC client code
+        .compile_well_known_types(true)
+        .compile_protos(&["../proto/database.proto", "../proto/auth.proto"], &["../proto"])
+        .unwrap_or_else(|e| panic!("Failed to compile protos {:?}", e));
+}