diff --git a/.gitea/workflows/test.yml b/.gitea/workflows/test.yml
index 80ad767..3444f5f 100644
--- a/.gitea/workflows/test.yml
+++ b/.gitea/workflows/test.yml
@@ -32,7 +32,7 @@ jobs:
         if: ${{ runner.os != 'Windows' }}
         run: chmod +x ./gradlew
       - name: build
-        run: ./gradlew build --no-daemon
+        run: ./gradlew build --no-daemon --max-workers 1
       #- name: test
       #  run: ./gradlew test --no-daemon
 
diff --git a/Core/src/main/java/fr/altarik/toolbox/core/data/DataTracker.java b/Core/src/main/java/fr/altarik/toolbox/core/data/DataTracker.java
new file mode 100644
index 0000000..aa9bcb9
--- /dev/null
+++ b/Core/src/main/java/fr/altarik/toolbox/core/data/DataTracker.java
@@ -0,0 +1,37 @@
+package fr.altarik.toolbox.core.data;
+
+import java.util.HashMap;
+import java.util.Map;
+import java.util.Objects;
+
+public class DataTracker {
+
+    private final Map<TrackedData, String> trackedData;
+
+    public DataTracker() {
+        this.trackedData = new HashMap<>();
+    }
+
+    public void startTracking(TrackedData data) {
+        trackedData.put(data, data.defaultValue());
+    }
+
+    public String getOrDefault(TrackedData data) {
+        return Objects.requireNonNull(trackedData.get(data));
+    }
+
+    public void set(TrackedData data, String value) {
+        String v = trackedData.get(data);
+        if(v != null) {
+            trackedData.putIfAbsent(data, value);
+        } else {
+            throw new IllegalArgumentException("Data " + data.name() + " is not tracked, please initialize it with DataTracker#startTracking(TrackedData, String) first");
+        }
+
+    }
+
+    public void saveToDb() {
+
+    }
+
+}
diff --git a/Core/src/main/java/fr/altarik/toolbox/core/data/TrackedData.java b/Core/src/main/java/fr/altarik/toolbox/core/data/TrackedData.java
new file mode 100644
index 0000000..c8bec33
--- /dev/null
+++ b/Core/src/main/java/fr/altarik/toolbox/core/data/TrackedData.java
@@ -0,0 +1,5 @@
+package fr.altarik.toolbox.core.data;
+
+public record TrackedData(String name, String defaultValue) {
+
+}
diff --git a/Core/src/main/resources/assets/core/icon.png b/Core/src/main/resources/assets/core/icon.png
new file mode 100644
index 0000000..1049a98
Binary files /dev/null and b/Core/src/main/resources/assets/core/icon.png differ
diff --git a/Core/src/main/resources/fabric.mod.json b/Core/src/main/resources/fabric.mod.json
new file mode 100644
index 0000000..65236f7
--- /dev/null
+++ b/Core/src/main/resources/fabric.mod.json
@@ -0,0 +1,29 @@
+{
+  "schemaVersion": 1,
+  "id": "toolbox-core",
+  "version": "${version}",
+  "name": "Core",
+  "description": "",
+  "authors": [
+    "Altarik"
+  ],
+  "contributors": [
+    "Legot Quentin<legotquentin@gmail.com>"
+  ],
+  "contact": {
+    "homepage": "https://altarik.fr"
+  },
+  "license": "Altarik @ All-Rights-Reserved ",
+  "icon": "assets/core/icon.png",
+  "environment": "*",
+  "entrypoints": {
+    "main": []
+  },
+  "mixins": [],
+  "depends": {
+    "fabricloader": "^0.14.12",
+    "fabric-api": "*",
+    "minecraft": "1.19.3",
+    "java": ">=17"
+  }
+}
diff --git a/Database/src/main/resources/assets/database/icon.png b/Database/src/main/resources/assets/database/icon.png
new file mode 100644
index 0000000..1049a98
Binary files /dev/null and b/Database/src/main/resources/assets/database/icon.png differ
diff --git a/Database/src/main/resources/fabric.mod.json b/Database/src/main/resources/fabric.mod.json
new file mode 100644
index 0000000..6f9451d
--- /dev/null
+++ b/Database/src/main/resources/fabric.mod.json
@@ -0,0 +1,29 @@
+{
+  "schemaVersion": 1,
+  "id": "toolbox-database",
+  "version": "${version}",
+  "name": "Database",
+  "description": "",
+  "authors": [
+    "Altarik"
+  ],
+  "contributors": [
+    "Legot Quentin<legotquentin@gmail.com>"
+  ],
+  "contact": {
+    "homepage": "https://altarik.fr"
+  },
+  "license": "Altarik @ All-Rights-Reserved ",
+  "icon": "assets/database/icon.png",
+  "environment": "*",
+  "entrypoints": {
+    "main": []
+  },
+  "mixins": [],
+  "depends": {
+    "fabricloader": "^0.14.12",
+    "fabric-api": "*",
+    "minecraft": "1.19.3",
+    "java": ">=17"
+  }
+}
diff --git a/Pagination/build.gradle b/Pagination/build.gradle
deleted file mode 100644
index e69de29..0000000
diff --git a/Pagination/src/main/resources/fabric.mod.json b/Pagination/src/main/resources/fabric.mod.json
index 52051dc..68cc742 100644
--- a/Pagination/src/main/resources/fabric.mod.json
+++ b/Pagination/src/main/resources/fabric.mod.json
@@ -1,8 +1,8 @@
 {
   "schemaVersion": 1,
-  "id": "pagination",
+  "id": "toolbox-pagination",
   "version": "${version}",
-  "name": "Task",
+  "name": "Pagination",
   "description": "A mod to use to paginate long result to player in chat",
   "authors": [
     "Altarik"
diff --git a/Tasks/build.gradle b/Tasks/build.gradle
deleted file mode 100644
index e69de29..0000000
diff --git a/Tasks/src/main/resources/fabric.mod.json b/Tasks/src/main/resources/fabric.mod.json
index c7940a1..217672b 100644
--- a/Tasks/src/main/resources/fabric.mod.json
+++ b/Tasks/src/main/resources/fabric.mod.json
@@ -1,6 +1,6 @@
 {
     "schemaVersion": 1,
-    "id": "task",
+    "id": "toolbox-task",
     "version": "${version}",
     "name": "Task",
     "description": "A mod to use as a dependency for others to schedule tasks",
diff --git a/build.gradle b/build.gradle
index e6c86e7..f291487 100644
--- a/build.gradle
+++ b/build.gradle
@@ -92,6 +92,7 @@ allprojects {
 
 dependencies {
     include subprojects.collect { project ->  project }
+    implementation subprojects.collect { project ->  project }
 }
 
 /*jar {
diff --git a/gradle.properties b/gradle.properties
index 16c0d2a..59d1cfe 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -8,6 +8,6 @@ loader_version=0.14.14
 fabric_version=0.75.1+1.19.3
 
 maven_group=fr.altarik.toolbox
-maven_version=4.0.0-SNAPSHOT
+maven_version=4.1.0-SNAPSHOT
 repo_username=Altarik
 repo_password=password
diff --git a/settings.gradle b/settings.gradle
index 4a814ce..c266500 100644
--- a/settings.gradle
+++ b/settings.gradle
@@ -10,4 +10,7 @@ pluginManagement {
 }
 
 rootProject.name = 'Toolbox'
-include(':Tasks', ':Database', ':Pagination', ':Core')
+include(':Tasks')
+include(':Database')
+include(':Pagination')
+include(':Core')
diff --git a/src/main/resources/assets/toolbox/icon.png b/src/main/resources/assets/toolbox/icon.png
new file mode 100644
index 0000000..1049a98
Binary files /dev/null and b/src/main/resources/assets/toolbox/icon.png differ
diff --git a/src/main/resources/fabric.mod.json b/src/main/resources/fabric.mod.json
index 797e8d6..ce07720 100644
--- a/src/main/resources/fabric.mod.json
+++ b/src/main/resources/fabric.mod.json
@@ -14,13 +14,17 @@
       "homepage": "https://altarik.fr"
     },
     "license": "Altarik @ All-Rights-Reserved ",
-    "icon": "assets/quests/icon.png",
+    "icon": "assets/toolbox/icon.png",
     "environment": "*",
     "depends": {
       "fabricloader": "^0.14.12",
       "fabric-api": "*",
       "minecraft": "1.19.3",
-      "java": ">=17"
+      "java": ">=17",
+      "toolbox-core": "${version}",
+      "toolbox-database": "${version}",
+      "toolbox-pagination": "${version}",
+      "toolbox-task": "${version}"
     }
   }