Use fabwork for networking and to prevent joining servers without the mod installed

build.gradle

@@ -61,6 +61,12 @@ dependencies {
     modApi "com.jamieswhiteshirt:reach-entity-attributes:${project.reach_attributes_version}"
     include "com.jamieswhiteshirt:reach-entity-attributes:${project.reach_attributes_version}"
 
+    // provides networking and mod handshaking.
+    //   https://github.com/Sollace/Fabwork
+    // > gradlew build publishToMavenLocal
+    modApi "com.sollace:fabwork:${project.fabwork_version}"
+    include "com.sollace:fabwork:${project.fabwork_version}"
+
     modCompileOnly "com.terraformersmc:modmenu:${project.modmenu_version}"
     modCompileOnly "dev.emi:trinkets:${project.trinkets_version}"
 }

gradle.properties

@@ -20,8 +20,9 @@ org.gradle.daemon=false
   modrinth_project_id=
 
 # Dependencies
+  fabwork_version=1.0.1
   modmenu_version=5.0.0-alpha.3
   minelp_version=4.7.2
   kirin_version=1.13.2
   reach_attributes_version=2.3.1
-  trinkets_version=3.5.0
+  trinkets_version=3.5.0

src/main/resources/fabric.mod.json

@@ -41,6 +41,9 @@
     "modmenu": "*"
   },
   "custom": {
+    "fabwork": {
+      "requiredOn": "*"
+    },
     "modmenu": {
       "links": {
         "modmenu.discord": "https://discord.gg/zKSZ8Mg"