diff --git a/kubejs/client_scripts/constants.js b/kubejs/client_scripts/constants.js
new file mode 100644
index 000000000..d8b1a2de0
--- /dev/null
+++ b/kubejs/client_scripts/constants.js
@@ -0,0 +1 @@
+// priority: 0
\ No newline at end of file
diff --git a/kubejs/client_scripts/example.js b/kubejs/client_scripts/example.js
deleted file mode 100644
index a0441f6bd..000000000
--- a/kubejs/client_scripts/example.js
+++ /dev/null
@@ -1,6 +0,0 @@
-// priority: 0
-
-// Visit the wiki for more info - https://kubejs.com/
-
-console.info('Hello, World! (Loaded client scripts)')
-
diff --git a/kubejs/client_scripts/gregtech/rei.js b/kubejs/client_scripts/gregtech/rei.js
new file mode 100644
index 000000000..3fa3f4276
--- /dev/null
+++ b/kubejs/client_scripts/gregtech/rei.js
@@ -0,0 +1,27 @@
+// priority: 0
+
+const stoneTypesToHide = [
+    "sand",
+    "red_sand",
+    "gravel",
+    "ore",
+    "deepslate",
+    "basalt",
+    "endstone",
+    "netherrack",
+    "andesite",
+    "diorite",
+    "granite",
+    "tuff"
+]
+
+REIEvents.hide('item', event => {
+    
+    // Hide unused GT ores
+    GTRegistries.MATERIALS.forEach(material => {
+        global.stoneTypesToHide.forEach(stoneTypeName => {
+            event.hide(`#forge:ores/${stoneTypeName}/${material}`)
+        })
+    })
+    
+})
\ No newline at end of file
diff --git a/kubejs/client_scripts/tfc/rei.js b/kubejs/client_scripts/tfc/rei.js
new file mode 100644
index 000000000..366e0ad98
--- /dev/null
+++ b/kubejs/client_scripts/tfc/rei.js
@@ -0,0 +1,67 @@
+// priority: 0
+
+const tfcSimpleMaterials = [
+    "gypsum",
+    "cinnabar",
+    "cryolite",
+    "saltpeter",
+    "sylvite",
+    "borax",
+    "halite",
+    "amethyst",
+    "opal",
+    "pyrite",
+    "topaz"
+]
+
+const tfcOreTypes = [
+    "poor",
+    "normal",
+    "rich"
+]
+
+const tfcOreMaterials = [
+    "bismuthinite",
+    "cassiterite",
+    "garnierite",
+    "hematite",
+    "limonite",
+    "magnetite",
+    "malachite",
+    "native_copper",
+    "native_gold",
+    "native_silver",
+    "sphalerite",
+    "tetrahedrite"
+]
+
+const tfcDepositeMaterials = [
+    "cassiterite",
+    "native_copper",
+    "native_gold",
+    "native_silver"
+]
+
+REIEvents.hide('item', event => {
+    
+    // Hide unused TFC ores
+    global.allTFCStoneTypeNames.forEach(stoneTypeName => {
+        tfcSimpleMaterials.forEach(material => {
+            event.hide(`tfc:ore/${material}/${stoneTypeName}`)
+        })
+
+        tfcOreTypes.forEach(oreTypeName => {
+            tfcOreMaterials.forEach(oreMaterialName => {
+                event.hide(`tfc:ore/${oreTypeName}_${oreMaterialName}/${stoneTypeName}`)
+            })
+        })
+
+        tfcDepositeMaterials.forEach(depositeMaterialName => {
+            event.hide(`tfc:deposit/${depositeMaterialName}/${stoneTypeName}`)
+        })
+    })
+    
+    
+    
+    
+})
\ No newline at end of file
diff --git a/kubejs/server_scripts/gregtech/recipes.js b/kubejs/server_scripts/gregtech/recipes.js
index 978eeec10..f9ed21d1c 100644
--- a/kubejs/server_scripts/gregtech/recipes.js
+++ b/kubejs/server_scripts/gregtech/recipes.js
@@ -26,24 +26,18 @@ const doesMaterialUseNormalFurnace = (material) => {
 
 const generateRecipesForRawOres = (event, material) => {
     const materialOreProperty = material.getProperty($PropertyKey.ORE)
-
-    const ingotPrefix = TagPrefix.getPrefix('ingot')
-    const gemPrefix = TagPrefix.getPrefix('gem')
-    const dustPrefix = TagPrefix.getPrefix('dust')
-    const crushedOrePrefix = TagPrefix.getPrefix('crushedOre')
-
-    const crushedStack = ChemicalHelper.get(crushedOrePrefix, material, 1);
+    const crushedStack = ChemicalHelper.get(TagPrefix.crushed, material, 1);
     
     let ingotStack;
     const smeltingMaterial = materialOreProperty.getDirectSmeltResult() == null ? material : materialOreProperty.getDirectSmeltResult();
     const amountOfCrushedOre = materialOreProperty.getOreMultiplier();
     
     if (smeltingMaterial.hasProperty($PropertyKey.INGOT)) {
-        ingotStack = ChemicalHelper.get(ingotPrefix, smeltingMaterial, 1);
+        ingotStack = ChemicalHelper.get(TagPrefix.ingot, smeltingMaterial, 1);
     } else if (smeltingMaterial.hasProperty($PropertyKey.GEM)) {
-        ingotStack = ChemicalHelper.get(gemPrefix, smeltingMaterial, 1);
+        ingotStack = ChemicalHelper.get(TagPrefix.gem, smeltingMaterial, 1);
     } else {
-        ingotStack = ChemicalHelper.get(dustPrefix, smeltingMaterial, 1);
+        ingotStack = ChemicalHelper.get(TagPrefix.dust, smeltingMaterial, 1);
     }
     ingotStack.setCount(ingotStack.getCount() * materialOreProperty.getOreMultiplier());
     crushedStack.setCount(crushedStack.getCount() * materialOreProperty.getOreMultiplier());
@@ -53,7 +47,7 @@ const generateRecipesForRawOres = (event, material) => {
     const generateRecipes = (tagPrefixWithMaterial, tagPrefix, multiplier) => {
         let outputItems;
     
-        if (material.hasProperty($PropertyKey.GEM) && !gemPrefix.isIgnored(material)) {
+        if (material.hasProperty($PropertyKey.GEM) && !TagPrefix.gem.isIgnored(material)) {
             outputItems = `${amountOfCrushedOre * multiplier}x #forge:gems/${material}`
         } else {
             outputItems = `${amountOfCrushedOre * multiplier}x #forge:crushed_ores/${material}`
diff --git a/kubejs/startup_scripts/constants.js b/kubejs/startup_scripts/constants.js
index 7d23016c7..311c21606 100644
--- a/kubejs/startup_scripts/constants.js
+++ b/kubejs/startup_scripts/constants.js
@@ -1,5 +1,20 @@
 // priority: 1000
 
+global.stoneTypesToHide = [
+    "sand",
+    "red_sand",
+    "gravel",
+    "ore",
+    "deepslate",
+    "basalt",
+    "endstone",
+    "netherrack",
+    "andesite",
+    "diorite",
+    "granite",
+    "tuff"
+]
+
 global.allTFCStoneTypeNames = [
     'gabbro', 
     'shale',