diff --git a/core/src/index.ts b/core/src/index.ts
index 7fe4bd6..977d591 100644
--- a/core/src/index.ts
+++ b/core/src/index.ts
@@ -6,4 +6,5 @@ export * from './localization/index'
 export * from './util/index'
 export * from './animation/index'
 export * from './factory/index'
-export * from './viewmodel/index'
\ No newline at end of file
+export * from './viewmodel/index'
+export * from './service/index'
\ No newline at end of file
diff --git a/core/src/service/httpService.ts b/core/src/service/httpService.ts
new file mode 100644
index 0000000..9c8f2d0
--- /dev/null
+++ b/core/src/service/httpService.ts
@@ -0,0 +1,3 @@
+export interface HttpService {
+    get: (route: string) => Promise<Response>;
+}
diff --git a/core/src/service/index.ts b/core/src/service/index.ts
new file mode 100644
index 0000000..823f652
--- /dev/null
+++ b/core/src/service/index.ts
@@ -0,0 +1 @@
+export * from './httpService'
\ No newline at end of file
diff --git a/frontend/src/service/HttpService.ts b/frontend/src/service/HttpService.ts
index c07c2f7..026638c 100644
--- a/frontend/src/service/HttpService.ts
+++ b/frontend/src/service/HttpService.ts
@@ -1,8 +1,4 @@
-import { server } from "../const/config";
-
-export interface HttpService {
-  get: (route: string) => Promise<Response>;
-}
+import { HttpService } from "@mancala/core"
 
 export class HttpServiceImpl implements HttpService {
   public serverAdress: string;
@@ -12,7 +8,7 @@ export class HttpServiceImpl implements HttpService {
   }
 
   public async get(route: string): Promise<Response> {
-    const url = server.serverAdress + route;
+    const url = this.serverAdress + route;
     const requestOptions = {
       method: 'GET',
       headers: { 'Content-Type': 'application/json' },
@@ -20,4 +16,4 @@ export class HttpServiceImpl implements HttpService {
     const response = await fetch(url, requestOptions);
     return response;
   }
-}
+}
\ No newline at end of file
diff --git a/mobile/src/service/HttpService.ts b/mobile/src/service/HttpService.ts
index c07c2f7..026638c 100644
--- a/mobile/src/service/HttpService.ts
+++ b/mobile/src/service/HttpService.ts
@@ -1,8 +1,4 @@
-import { server } from "../const/config";
-
-export interface HttpService {
-  get: (route: string) => Promise<Response>;
-}
+import { HttpService } from "@mancala/core"
 
 export class HttpServiceImpl implements HttpService {
   public serverAdress: string;
@@ -12,7 +8,7 @@ export class HttpServiceImpl implements HttpService {
   }
 
   public async get(route: string): Promise<Response> {
-    const url = server.serverAdress + route;
+    const url = this.serverAdress + route;
     const requestOptions = {
       method: 'GET',
       headers: { 'Content-Type': 'application/json' },
@@ -20,4 +16,4 @@ export class HttpServiceImpl implements HttpService {
     const response = await fetch(url, requestOptions);
     return response;
   }
-}
+}
\ No newline at end of file