diff --git a/res/content/base/scripts/hud.lua b/res/content/base/scripts/hud.lua
index 5d3bfeb46..b936e5fb6 100644
--- a/res/content/base/scripts/hud.lua
+++ b/res/content/base/scripts/hud.lua
@@ -10,6 +10,31 @@ function on_hud_open()
         end)
         base_util.drop_from_slot(pid, invid, 0, mode, dir_shift)
     end)
+
+    events.on("core:access_panel_slot_middle_click", function(itemid)
+        local exc_invid = hud.get_exchange_inventory()
+        inventory.set(exc_invid, 0, itemid, item.stack_size(itemid))
+    end)
+
+    events.on("core:slot_middle_click", function(invid, slot)
+        if not player.is_infinite_items(hud.get_player()) then
+            return
+        end
+        local exc_invid = hud.get_exchange_inventory()
+        local exc_itemid = inventory.get(exc_invid, 0)
+        local itemid = inventory.get(invid, slot)
+        if itemid == 0 and exc_itemid ~= 0 then
+            local stack_size = item.stack_size(exc_itemid)
+            inventory.set(invid, slot, exc_itemid, stack_size)
+        elseif exc_itemid == 0 then
+            local stack_size = item.stack_size(itemid)
+            inventory.set(exc_invid, 0, itemid, stack_size)
+        elseif exc_itemid == itemid then
+            local stack_size = item.stack_size(exc_itemid)
+            inventory.set(invid, slot, exc_itemid, stack_size)
+        end
+    end)
+
     input.add_callback("player.drop", function()
         if hud.is_paused() or hud.is_inventory_open() then
             return
diff --git a/src/graphics/ui/elements/InventoryView.cpp b/src/graphics/ui/elements/InventoryView.cpp
index 614d4c913..61403cad0 100644
--- a/src/graphics/ui/elements/InventoryView.cpp
+++ b/src/graphics/ui/elements/InventoryView.cpp
@@ -366,10 +366,16 @@ void SlotView::performLeftClick(ItemStack& stack, ItemStack& grabbed) {
         );
         return;
     }
-    auto indices = *content->getIndices();
+    auto& indices = *content->getIndices();
     if (!layout.itemSource && stack.accepts(grabbed) && layout.placing) {
-        action = InteractionAction::PUT;
-        stack.move(grabbed, indices);
+        auto& def = indices.items.require(stack.getItemId());
+        if (stack.getCount() < def.stackSize) {
+            action = InteractionAction::PUT;
+            stack.move(grabbed, indices);
+        } else {
+            action = InteractionAction::TAKE;
+            std::swap(grabbed, stack);
+        }
     } else {
         actIfCannotPut(stack, grabbed, action);
     }
@@ -386,13 +392,13 @@ void SlotView::performLeftClick(ItemStack& stack, ItemStack& grabbed) {
 
 void SlotView::actIfCannotPut(ItemStack& stack, ItemStack& grabbed, InteractionAction& action) {
     const auto& input = gui.getInput();
-    auto indices = *content->getIndices();
+    auto& indices = *content->getIndices();
     if (layout.itemSource) {
         if (grabbed.isEmpty()) {
             action = InteractionAction::TAKE;
             grabbed.set(stack);
             if (input.pressed(Keycode::LEFT_CONTROL)) {
-                grabbed.maximizeCount(*content->getIndices());
+                grabbed.maximizeCount(indices);
             }
         } else {
             if (grabbed.accepts(stack)) {
@@ -500,6 +506,17 @@ void SlotView::performRightClick(ItemStack& stack, ItemStack& grabbed) {
     );
 }
 
+void SlotView::performMiddleClick(ItemStack& stack, ItemStack& grabbed) {
+    if (layout.itemSource) {
+        scripting::on_access_panel_slot_middle_click(stack.getItemId());
+    } else {
+        scripting::on_slot_middle_click(
+            inventoryId,
+            layout.index
+        );
+    }
+}
+
 void SlotView::clicked(Mousecode button) {
     if (bound == nullptr) return;
     auto exchangeSlot =
@@ -514,6 +531,8 @@ void SlotView::clicked(Mousecode button) {
         performLeftClick(stack, grabbed);
     } else if (button == Mousecode::BUTTON_2) {
         performRightClick(stack, grabbed);
+    } else if (button == Mousecode::BUTTON_3) {
+        performMiddleClick(stack, grabbed);
     }
 
     if (layout.updateFunc) {
diff --git a/src/graphics/ui/elements/InventoryView.hpp b/src/graphics/ui/elements/InventoryView.hpp
index fbfe3eee9..b8e16cc44 100644
--- a/src/graphics/ui/elements/InventoryView.hpp
+++ b/src/graphics/ui/elements/InventoryView.hpp
@@ -67,6 +67,7 @@ namespace gui {
 
         void performLeftClick(ItemStack& stack, ItemStack& grabbed);
         void performRightClick(ItemStack& stack, ItemStack& grabbed);
+        void performMiddleClick(ItemStack& stack, ItemStack& grabbed);
 
         void drawItemIcon(
             Batch2D& batch,
diff --git a/src/logic/scripting/scripting.hpp b/src/logic/scripting/scripting.hpp
index 116226aff..64b232dc0 100644
--- a/src/logic/scripting/scripting.hpp
+++ b/src/logic/scripting/scripting.hpp
@@ -113,6 +113,9 @@ namespace scripting {
     void on_inventory_closed(const Player* player, const Inventory& inventory);
     void on_inventory_interact(int invid, int slot, int action, int mode);
 
+    void on_slot_middle_click(int invid, int slot);
+    void on_access_panel_slot_middle_click(const itemid_t itemid);
+
     void on_player_tick(Player* player, int tps);
 
     /// @brief Called on RMB click with the item selected
diff --git a/src/logic/scripting/scripting_hud.cpp b/src/logic/scripting/scripting_hud.cpp
index dcd310e37..4befdd221 100644
--- a/src/logic/scripting/scripting_hud.cpp
+++ b/src/logic/scripting/scripting_hud.cpp
@@ -12,6 +12,7 @@
 #include "lua/libs/api_lua.hpp"
 #include "lua/lua_engine.hpp"
 #include "scripting.hpp"
+#include "typedefs.hpp"
 
 using namespace scripting;
 
@@ -109,6 +110,31 @@ void scripting::on_inventory_interact(int invid, int slot, int action, int mode)
     }
 }
 
+void scripting::on_slot_middle_click(int invid, int slot) {
+    auto L = lua::get_main_state();
+    lua::emit_event(
+        L,
+        "core:slot_middle_click",
+        [&](lua::State* L) {
+            lua::pushinteger(L, invid);
+            lua::pushinteger(L, slot);
+            return 2;
+        }
+    );
+}
+
+void scripting::on_access_panel_slot_middle_click(const itemid_t itemid) {
+    auto L = lua::get_main_state();
+    lua::emit_event(
+        L,
+        "core:access_panel_slot_middle_click",
+        [&](lua::State* L) {
+            lua::pushinteger(L, itemid);
+            return 1;
+        }
+    );
+}
+
 void scripting::load_hud_script(
     const scriptenv& senv,
     const std::string& packid,