diff --git a/Content.Client/Entry/EntryPoint.cs b/Content.Client/Entry/EntryPoint.cs
index 210720c45d..1b6041cdd8 100644
--- a/Content.Client/Entry/EntryPoint.cs
+++ b/Content.Client/Entry/EntryPoint.cs
@@ -122,7 +122,11 @@ namespace Content.Client.Entry
             _prototypeManager.RegisterIgnore("alertLevels");
             _prototypeManager.RegisterIgnore("nukeopsRole");
             _prototypeManager.RegisterIgnore("ghostRoleRaffleDecider");
-            _prototypeManager.RegisterIgnore("candyFlavor"); // Delta-V
+            // Begin DeltaV Additions
+            _prototypeManager.RegisterIgnore("candyFlavor");
+            _prototypeManager.RegisterIgnore("mappingCategory");
+            _prototypeManager.RegisterIgnore("mapCategories");
+            // End DeltaV Additions
 
             _componentFactory.GenerateNetIds();
             _adminManager.Initialize();
diff --git a/Content.IntegrationTests/Tests/_DV/MappingCategoryTest.cs b/Content.IntegrationTests/Tests/_DV/MappingCategoryTest.cs
new file mode 100644
index 0000000000..d55f4ff881
--- /dev/null
+++ b/Content.IntegrationTests/Tests/_DV/MappingCategoryTest.cs
@@ -0,0 +1,100 @@
+using Content.Server._DV.Mapping;
+using Robust.Shared.ContentPack;
+using Robust.Shared.EntitySerialization;
+using Robust.Shared.EntitySerialization.Systems;
+using Robust.Shared.GameObjects;
+using Robust.Shared.Log;
+using Robust.Shared.Map;
+using Robust.Shared.Prototypes;
+using Robust.Shared.Serialization.Markdown.Mapping;
+using Robust.Shared.Serialization.Markdown.Value;
+using Robust.Shared.Utility;
+using System.Linq;
+
+namespace Content.IntegrationTests.Tests._DV;
+
+/// <summary>
+/// Checks that every mapped entity with <see cref="MappingCategoriesComponent"/> is allowed to be mapped.
+/// </summary>
+public sealed class MappingCategoryTest
+{
+    private const string MapsPath = "/Maps";
+    // dev map doesn't matter and don't want to change it
+    private const string TestMapsPath = "/Maps/Test/";
+
+    [Test]
+    public async Task NonGameMapsLoadableTest()
+    {
+        await using var pair = await PoolManager.GetServerClient();
+        var server = pair.Server;
+        var entMan = server.ResolveDependency<IEntityManager>();
+        var resMan = server.ResolveDependency<IResourceManager>();
+        var mapLoader = entMan.System<MapLoaderSystem>();
+        var catSys = entMan.System<MappingCategoriesSystem>(); // meow
+        var mapSys = entMan.System<SharedMapSystem>();
+        var sawmill = server.ResolveDependency<ILogManager>().GetSawmill("mapping_categories");
+
+        await server.WaitPost(() =>
+        {
+            Assert.Multiple(() =>
+            {
+                var mapFolder = new ResPath(MapsPath);
+                foreach (var map in resMan.ContentFindFiles(mapFolder))
+                {
+                    if (map.Extension != "yml" || map.Filename.StartsWith(".", StringComparison.Ordinal))
+                        continue;
+
+                    var rootedPath = map.ToRootedPath().ToString();
+                    if (rootedPath.StartsWith(TestMapsPath, StringComparison.Ordinal))
+                        continue;
+
+                    if (GetCategory(map, mapLoader) is not {} category)
+                    {
+                        sawmill.Warning($"Map {map} is missing a category, skipping it.");
+                        continue;
+                    }
+
+                    var mapUid = mapSys.CreateMap(out var mapId);
+                    var opts = new MapLoadOptions
+                    {
+                        MergeMap = category == FileCategory.Map
+                            ? null // don't try to reparent maps
+                            : mapId // needed or else grids will be de-orphaned which is bad
+                    };
+                    Assert.That(mapLoader.TryLoadGeneric(map, out var maps, out _, opts), $"Failed to load map {rootedPath}");
+                    maps.Add(mapUid);
+
+                    var allowed = catSys.GetAllowedCategories(rootedPath);
+                    var query = entMan.EntityQueryEnumerator<MappingCategoriesComponent>();
+                    while (query.MoveNext(out var uid, out var comp))
+                    {
+                        var ent = (uid, comp);
+                        Assert.That(catSys.CanMap(ent, allowed), $"Entity {entMan.ToPrettyString(uid)} cannot be mapped on {rootedPath}");
+                    }
+
+                    foreach (var uid in maps)
+                    {
+                        entMan.DeleteEntity(uid);
+                    }
+                }
+            });
+        });
+
+        await server.WaitRunTicks(1);
+
+        await pair.CleanReturnAsync();
+    }
+
+    // me when engine doesnt have this
+    private FileCategory? GetCategory(ResPath path, MapLoaderSystem mapLoader)
+    {
+        Assert.That(mapLoader.TryReadFile(path, out var data), $"Failed to read map file {path}");
+        var meta = data.Get<MappingDataNode>("meta");
+        if (!meta.TryGet<ValueDataNode>("category", out var node))
+            return null;
+
+        var valid = Enum.TryParse<FileCategory>(node.Value, out var cat);
+        Assert.That(valid, $"Category for {path} is invalid");
+        return cat;
+    }
+}
diff --git a/Content.Server/_DV/Mapping/MapCategoriesPrototype.cs b/Content.Server/_DV/Mapping/MapCategoriesPrototype.cs
new file mode 100644
index 0000000000..6be70775f3
--- /dev/null
+++ b/Content.Server/_DV/Mapping/MapCategoriesPrototype.cs
@@ -0,0 +1,25 @@
+using Robust.Shared.Prototypes;
+
+namespace Content.Server._DV.Mapping;
+
+/// <summary>
+/// Defines what entity <see cref="MappingCategoryPrototype"/> can be added to a certain map.
+/// </summary>
+[Prototype]
+public sealed partial class MapCategoriesPrototype : IPrototype
+{
+    [IdDataField]
+    public string ID { get; set; } = default!;
+
+    /// <summary>
+    /// The map path to apply these categories for.
+    /// </summary>
+    [DataField(required: true)]
+    public string Map = string.Empty;
+
+    /// <summary>
+    /// The categories that are allowed for the defined map.
+    /// </summary>
+    [DataField(required: true)]
+    public HashSet<ProtoId<MappingCategoryPrototype>> Allowed = new();
+}
diff --git a/Content.Server/_DV/Mapping/MappingCategoriesComponent.cs b/Content.Server/_DV/Mapping/MappingCategoriesComponent.cs
new file mode 100644
index 0000000000..ff62ad89da
--- /dev/null
+++ b/Content.Server/_DV/Mapping/MappingCategoriesComponent.cs
@@ -0,0 +1,16 @@
+using Robust.Shared.Prototypes;
+
+namespace Content.Server._DV.Mapping;
+
+/// <summary>
+/// Component added to prototypes to prevent them being mapped on stations that do not allow them.
+/// </summary>
+[RegisterComponent, Access(typeof(MappingCategoriesSystem))]
+public sealed partial class MappingCategoriesComponent : Component
+{
+    /// <summary>
+    /// The categories this prototype has.
+    /// </summary>
+    [DataField(required: true)]
+    public List<ProtoId<MappingCategoryPrototype>> Categories = new();
+}
diff --git a/Content.Server/_DV/Mapping/MappingCategoriesSystem.cs b/Content.Server/_DV/Mapping/MappingCategoriesSystem.cs
new file mode 100644
index 0000000000..104c1cb23b
--- /dev/null
+++ b/Content.Server/_DV/Mapping/MappingCategoriesSystem.cs
@@ -0,0 +1,89 @@
+using Robust.Shared.Containers;
+using Robust.Shared.Prototypes;
+
+namespace Content.Server._DV.Mapping;
+
+public sealed class MappingCategoriesSystem : EntitySystem
+{
+    [Dependency] private readonly IPrototypeManager _proto = default!;
+    [Dependency] private readonly SharedContainerSystem _container = default!;
+
+    private readonly HashSet<ProtoId<MappingCategoryPrototype>> _ignoreInsideContainers = new();
+    private readonly HashSet<ProtoId<MappingCategoryPrototype>> _emptyCategories = new();
+    private readonly Dictionary<string, MapCategoriesPrototype> _maps = new();
+
+    public override void Initialize()
+    {
+        base.Initialize();
+
+        SubscribeLocalEvent<PrototypesReloadedEventArgs>(OnPrototypesReloaded);
+
+        CacheCategories();
+        CacheMaps();
+    }
+
+    /// <summary>
+    /// Returns whether a category is ignored when inside a container.
+    /// </summary>
+    public bool IsIgnoredInsideContainer(ProtoId<MappingCategoryPrototype> id)
+    {
+        return _ignoreInsideContainers.Contains(id);
+    }
+
+    /// <summary>
+    /// Get the allowed categories for a given map path.
+    /// </summary>
+    public HashSet<ProtoId<MappingCategoryPrototype>> GetAllowedCategories(string mapPath)
+    {
+        if (_maps.TryGetValue(mapPath, out var proto))
+            return proto.Allowed;
+
+        return _emptyCategories;
+    }
+
+    /// <summary>
+    /// Returns true if an entity can be mapped.
+    /// </summary>
+    public bool CanMap(Entity<MappingCategoriesComponent> ent, HashSet<ProtoId<MappingCategoryPrototype>> allowed)
+    {
+        var insideContainer = _container.IsEntityInContainer(ent);
+        foreach (var id in ent.Comp.Categories)
+        {
+            if (insideContainer && IsIgnoredInsideContainer(id))
+                continue;
+
+            if (!allowed.Contains(id))
+                return false;
+        }
+
+        // all categories were skipped or allowed by the map
+        return true;
+    }
+
+    private void OnPrototypesReloaded(PrototypesReloadedEventArgs args)
+    {
+        if (args.WasModified<MappingCategoryPrototype>())
+            CacheCategories();
+        if (args.WasModified<MapCategoriesPrototype>())
+            CacheMaps();
+    }
+
+    private void CacheCategories()
+    {
+        _ignoreInsideContainers.Clear();
+        foreach (var proto in _proto.EnumeratePrototypes<MappingCategoryPrototype>())
+        {
+            if (proto.IgnoreInsideContainer)
+                _ignoreInsideContainers.Add(proto.ID);
+        }
+    }
+
+    private void CacheMaps()
+    {
+        _maps.Clear();
+        foreach (var proto in _proto.EnumeratePrototypes<MapCategoriesPrototype>())
+        {
+            _maps.Add(proto.Map, proto);
+        }
+    }
+}
diff --git a/Content.Server/_DV/Mapping/MappingCategoryPrototype.cs b/Content.Server/_DV/Mapping/MappingCategoryPrototype.cs
new file mode 100644
index 0000000000..ebb1d4a1f6
--- /dev/null
+++ b/Content.Server/_DV/Mapping/MappingCategoryPrototype.cs
@@ -0,0 +1,21 @@
+using Robust.Shared.Prototypes;
+
+namespace Content.Server._DV.Mapping;
+
+/// <summary>
+/// A mapping category that can be applied to items.
+/// Maps can specify what categories they allow.
+/// </summary>
+[Prototype]
+public sealed partial class MappingCategoryPrototype : IPrototype
+{
+    [IdDataField]
+    public string ID { get; set; } = default!;
+
+    /// <summary>
+    /// Ignores checking items that are inside containers for this category.
+    /// Useful for stamps which are not allowed to be mapped directly, but spawn in head lockers.
+    /// </summary>
+    [DataField]
+    public bool IgnoreInsideContainer;
+}
diff --git a/Resources/Maps/_DV/Salvage/DV-asteroid-mining-chemlab.yml b/Resources/Maps/_DV/Salvage/DV-asteroid-mining-chemlab.yml
index 1d207871e7..c8eca523e4 100644
--- a/Resources/Maps/_DV/Salvage/DV-asteroid-mining-chemlab.yml
+++ b/Resources/Maps/_DV/Salvage/DV-asteroid-mining-chemlab.yml
@@ -5486,7 +5486,7 @@ entities:
     - type: Transform
       pos: 8.5,9.5
       parent: 1
-- proto: ToolboxElectricalTurretFilled
+- proto: ToolboxElectricalFilled
   entities:
   - uid: 334
     components:
diff --git a/Resources/Maps/_DV/centcomm.yml b/Resources/Maps/_DV/centcomm.yml
index 1954f561fb..31bc69bc6e 100644
--- a/Resources/Maps/_DV/centcomm.yml
+++ b/Resources/Maps/_DV/centcomm.yml
@@ -1,6 +1,17 @@
 meta:
-  format: 6
-  postmapinit: false
+  format: 7
+  category: Grid
+  engineVersion: 247.2.0
+  forkId: ""
+  forkVersion: ""
+  time: 03/04/2025 18:40:52
+  entityCount: 7224
+maps: []
+grids:
+- 1668
+orphans:
+- 1668
+nullspace: []
 tilemap:
   0: Space
   7: FloorAsteroidSand
diff --git a/Resources/Prototypes/Catalog/Fills/Crates/syndicate.yml b/Resources/Prototypes/Catalog/Fills/Crates/syndicate.yml
index 1b191d90f7..d7c5a4aaf7 100644
--- a/Resources/Prototypes/Catalog/Fills/Crates/syndicate.yml
+++ b/Resources/Prototypes/Catalog/Fills/Crates/syndicate.yml
@@ -6,6 +6,9 @@
   components:
     - type: SurplusBundle
       totalPrice: 50
+    - type: MappingCategories # DeltaV
+      categories:
+      - Syndicate
 
 - type: entity
   id: CrateCybersunJuggernautBundle
@@ -21,6 +24,9 @@
       - id: ClothingHandsGlovesCombat
       - id: DoubleEmergencyOxygenTankFilled
       - id: DoubleEmergencyNitrogenTankFilled
+  - type: MappingCategories # DeltaV
+    categories:
+    - Syndicate
 
 - type: entity
   id: CrateSyndicateSuperSurplusBundle
@@ -30,3 +36,6 @@
   components:
     - type: SurplusBundle
       totalPrice: 125
+    - type: MappingCategories # DeltaV
+      categories:
+      - Syndicate
diff --git a/Resources/Prototypes/Entities/Clothing/OuterClothing/hardsuits.yml b/Resources/Prototypes/Entities/Clothing/OuterClothing/hardsuits.yml
index 30bf24a43a..f9541634df 100644
--- a/Resources/Prototypes/Entities/Clothing/OuterClothing/hardsuits.yml
+++ b/Resources/Prototypes/Entities/Clothing/OuterClothing/hardsuits.yml
@@ -568,6 +568,9 @@
     - Hardsuit
     - WhitelistChameleon
     - HidesHarpyWings
+  - type: MappingCategories # DeltaV
+    categories:
+    - Syndicate
 
 # Syndicate Medic Hardsuit
 - type: entity
@@ -662,6 +665,9 @@
   - type: HeldSpeedModifier
   - type: ToggleableClothing
     clothingPrototype: ClothingHeadHelmetHardsuitSyndieCommander
+  - type: MappingCategories # DeltaV
+    categories:
+    - Syndicate
 
 #Cybersun Juggernaut Hardsuit
 - type: entity
@@ -701,6 +707,9 @@
     newItem: ClothingOuterHardsuitJuggernautReverseEngineered
     recipes:
       - ClothingOuterHardsuitJuggernautReverseEngineered
+  - type: MappingCategories # DeltaV
+    categories:
+    - Syndicate
 
 #Wizard Hardsuit
 - type: entity
@@ -733,6 +742,9 @@
   - type: HeldSpeedModifier
   - type: ToggleableClothing
     clothingPrototype: ClothingHeadHelmetHardsuitWizard
+  - type: MappingCategories # DeltaV
+    categories:
+    - Wizard
 
 #Ling Space Suit
 - type: entity
@@ -763,6 +775,9 @@
   - type: HeldSpeedModifier
   - type: ToggleableClothing
     clothingPrototype: ClothingHeadHelmetHardsuitLing
+  - type: MappingCategories # DeltaV
+    categories:
+    - Changeling
 
 #Pirate EVA Suit (Deep Space EVA Suit)
 #Despite visually appearing like a softsuit, it functions exactly like a hardsuit would (parents off of base hardsuit, has resistances and toggleable clothing, etc.) so it goes here.
@@ -795,6 +810,9 @@
     clothingPrototype: ClothingHeadHelmetHardsuitPirateEVA
   - type: StaticPrice
     price: 0
+  - type: MappingCategories # DeltaV
+    categories:
+    - Pirate
 
 #Pirate Captain Hardsuit
 - type: entity
@@ -828,6 +846,9 @@
     clothingPrototype: ClothingHeadHelmetHardsuitPirateCap
   - type: StaticPrice
     price: 0
+  - type: MappingCategories # DeltaV
+    categories:
+    - Pirate
 
 #CENTCOMM / ERT HARDSUITS
 #ERT Leader Hardsuit
diff --git a/Resources/Prototypes/Entities/Debugging/clicktest.yml b/Resources/Prototypes/Entities/Debugging/clicktest.yml
index 7eb0a06330..b830922b04 100644
--- a/Resources/Prototypes/Entities/Debugging/clicktest.yml
+++ b/Resources/Prototypes/Entities/Debugging/clicktest.yml
@@ -17,6 +17,9 @@
   - type: Sprite
     noRot: false
     sprite: Effects/clicktest.rsi
+  - type: MappingCategories # DeltaV
+    categories:
+    - Debug
 
 
 - type: entity
diff --git a/Resources/Prototypes/Entities/Debugging/debug_sweps.yml b/Resources/Prototypes/Entities/Debugging/debug_sweps.yml
index 9ba7c85e1e..00e32710c5 100644
--- a/Resources/Prototypes/Entities/Debugging/debug_sweps.yml
+++ b/Resources/Prototypes/Entities/Debugging/debug_sweps.yml
@@ -40,6 +40,9 @@
         whitelist:
           tags:
             - CartridgePistol
+  - type: MappingCategories # DeltaV
+    categories:
+    - Debug
 
 - type: entity
   id: MagazinePistolDebug
@@ -55,6 +58,9 @@
     capacity: 1000
   - type: Sprite
     sprite: Objects/Weapons/Guns/Ammunition/Magazine/Pistol/pistol_mag.rsi
+  - type: MappingCategories # DeltaV
+    categories:
+    - Debug
 
 - type: entity
   id: BulletDebug
@@ -70,6 +76,9 @@
     damage:
       types:
         Blunt: 20000
+  - type: MappingCategories # DeltaV
+    categories:
+    - Debug
 
 - type: entity
   id: CartridgeDebug
@@ -82,6 +91,9 @@
       - Debug
   - type: CartridgeAmmo
     proto: BulletDebug
+  - type: MappingCategories # DeltaV
+    categories:
+    - Debug
 
 - type: entity
   name: bang stick gibber
@@ -103,6 +115,9 @@
   - type: Item
     size: Tiny
     sprite: Objects/Weapons/Melee/debug.rsi
+  - type: MappingCategories # DeltaV
+    categories:
+    - Debug
 
 - type: entity
   name: bang stick 100dmg
@@ -116,6 +131,9 @@
     damage:
       types:
         Blunt: 100
+  - type: MappingCategories # DeltaV
+    categories:
+    - Debug
 
 - type: entity
   name: bang stick 200dmg
@@ -129,3 +147,6 @@
     damage:
       types:
         Blunt: 200
+  - type: MappingCategories # DeltaV
+    categories:
+    - Debug
diff --git a/Resources/Prototypes/Entities/Debugging/item.yml b/Resources/Prototypes/Entities/Debugging/item.yml
index e3c8ffddd2..2af4449985 100644
--- a/Resources/Prototypes/Entities/Debugging/item.yml
+++ b/Resources/Prototypes/Entities/Debugging/item.yml
@@ -19,3 +19,6 @@
     - 1, 4, 6, 4
     - 6, 2, 6, 2
     - 5, 3, 5, 5
+  - type: MappingCategories # DeltaV
+    categories:
+    - Debug
diff --git a/Resources/Prototypes/Entities/Debugging/options_visualizer.yml b/Resources/Prototypes/Entities/Debugging/options_visualizer.yml
index 229ffa00cc..d720f4ab63 100644
--- a/Resources/Prototypes/Entities/Debugging/options_visualizer.yml
+++ b/Resources/Prototypes/Entities/Debugging/options_visualizer.yml
@@ -21,4 +21,7 @@
         data: { state: motion }
       - options: [Test, ReducedMotion]
         data: { state: both }
+  - type: MappingCategories # DeltaV
+    categories:
+    - Debug
 
diff --git a/Resources/Prototypes/Entities/Debugging/spanisharmyknife.yml b/Resources/Prototypes/Entities/Debugging/spanisharmyknife.yml
index 023ba8c08a..d96733089d 100644
--- a/Resources/Prototypes/Entities/Debugging/spanisharmyknife.yml
+++ b/Resources/Prototypes/Entities/Debugging/spanisharmyknife.yml
@@ -38,3 +38,6 @@
       - behavior: Anchoring
         useSound: /Audio/Items/drill_use.ogg
         changeSound: /Audio/Items/change_drill.ogg
+  - type: MappingCategories # DeltaV
+    categories:
+    - Debug
diff --git a/Resources/Prototypes/Entities/Debugging/stress_test.yml b/Resources/Prototypes/Entities/Debugging/stress_test.yml
index 72651cdaee..4f6c870d28 100644
--- a/Resources/Prototypes/Entities/Debugging/stress_test.yml
+++ b/Resources/Prototypes/Entities/Debugging/stress_test.yml
@@ -10,3 +10,6 @@
     sprite: Effects/explosion.rsi
     state: explosion
   - type: StressTestMovement
+  - type: MappingCategories # DeltaV
+    categories:
+    - Debug
diff --git a/Resources/Prototypes/Entities/Debugging/tippy.yml b/Resources/Prototypes/Entities/Debugging/tippy.yml
index 7f149c3b5d..0ffc3ae0a5 100644
--- a/Resources/Prototypes/Entities/Debugging/tippy.yml
+++ b/Resources/Prototypes/Entities/Debugging/tippy.yml
@@ -28,3 +28,6 @@
     backgroundPatchMargin: 16.0, 16.0, 16.0, 16.0
     backgroundModulate: "#ffffcc"
     fontAccentColor: "#000000"
+  - type: MappingCategories # DeltaV
+    categories:
+    - Debug
diff --git a/Resources/Prototypes/Entities/Objects/Fun/Instruments/instruments_misc.yml b/Resources/Prototypes/Entities/Objects/Fun/Instruments/instruments_misc.yml
index ecc57a03bd..7d73335ba3 100644
--- a/Resources/Prototypes/Entities/Objects/Fun/Instruments/instruments_misc.yml
+++ b/Resources/Prototypes/Entities/Objects/Fun/Instruments/instruments_misc.yml
@@ -75,6 +75,9 @@
   - type: Prayable
     sentMessage: prayer-popup-notify-syndicate-sent
     notificationPrefix: prayer-chat-notify-syndicate
+  - type: MappingCategories # DeltaV
+    categories:
+    - Syndicate
 
 - type: entity
   parent: BaseHandheldInstrument
diff --git a/Resources/Prototypes/Entities/Objects/Misc/rubber_stamp.yml b/Resources/Prototypes/Entities/Objects/Misc/rubber_stamp.yml
index d3f6088699..dfb8589a21 100644
--- a/Resources/Prototypes/Entities/Objects/Misc/rubber_stamp.yml
+++ b/Resources/Prototypes/Entities/Objects/Misc/rubber_stamp.yml
@@ -21,6 +21,9 @@
     size: Tiny
   - type: StealTarget
     stealGroup: Stamp
+  - type: MappingCategories # DeltaV
+    categories:
+    - Stamps
 
 - type: entity
   name: alternate rubber stamp
@@ -36,6 +39,8 @@
       params:
         volume: -2
         maxDistance: 5
+  - type: MappingCategories # DeltaV - approved/denied are fine
+    categories: []
 
 - type: entity
   name: captain's rubber stamp
@@ -177,12 +182,12 @@
   id: RubberStampQm
   categories: [ DoNotMap ]
   components:
-    - type: Stamp
-      stampedName: stamp-component-stamped-name-qm
-      stampedColor: "#a23e3e"
-      stampState: "paper_stamp-qm"
-    - type: Sprite
-      state: stamp-qm
+  - type: Stamp
+    stampedName: stamp-component-stamped-name-qm
+    stampedColor: "#a23e3e"
+    stampState: "paper_stamp-qm"
+  - type: Sprite
+    state: stamp-qm
 
 - type: entity
   name: mystagogue's rubber stamp # DeltaV - Epistemics Department replacing Science
@@ -190,12 +195,12 @@
   id: RubberStampRd
   categories: [ DoNotMap ]
   components:
-    - type: Stamp
-      stampedName: stamp-component-stamped-name-rd
-      stampedColor: "#1f66a0"
-      stampState: "paper_stamp-rd"
-    - type: Sprite
-      state: stamp-rd
+  - type: Stamp
+    stampedName: stamp-component-stamped-name-rd
+    stampedColor: "#1f66a0"
+    stampState: "paper_stamp-rd"
+  - type: Sprite
+    state: stamp-rd
 
 - type: entity
   name: trader's rubber stamp
diff --git a/Resources/Prototypes/Entities/Objects/Tools/toolbox.yml b/Resources/Prototypes/Entities/Objects/Tools/toolbox.yml
index dd1f41e571..d45881110d 100644
--- a/Resources/Prototypes/Entities/Objects/Tools/toolbox.yml
+++ b/Resources/Prototypes/Entities/Objects/Tools/toolbox.yml
@@ -99,6 +99,9 @@
                 max: 1
   - type: StaticPrice
     price: 1350
+  - type: MappingCategories # DeltaV
+    categories:
+    - Syndicate
 
 - type: entity
   name: artistic toolbox
diff --git a/Resources/Prototypes/Entities/Objects/Weapons/Melee/armblade.yml b/Resources/Prototypes/Entities/Objects/Weapons/Melee/armblade.yml
index 8b4cbe5b96..2d127869f9 100644
--- a/Resources/Prototypes/Entities/Objects/Weapons/Melee/armblade.yml
+++ b/Resources/Prototypes/Entities/Objects/Weapons/Melee/armblade.yml
@@ -28,3 +28,6 @@
   - type: SurgeryTool # Shitmed
     startSound:
       path: /Audio/_Shitmed/Medical/Surgery/saw.ogg
+  - type: MappingCategories # DeltaV
+    categories:
+    - Changeling
diff --git a/Resources/Prototypes/Entities/Objects/base_contraband.yml b/Resources/Prototypes/Entities/Objects/base_contraband.yml
index 3ad8d80492..dfbf29f2a5 100644
--- a/Resources/Prototypes/Entities/Objects/base_contraband.yml
+++ b/Resources/Prototypes/Entities/Objects/base_contraband.yml
@@ -48,6 +48,9 @@
   components:
   - type: Contraband
     allowedDepartments: [ CentralCommand ]
+  - type: MappingCategories # DeltaV
+    categories:
+    - Centcomm
 
 - type: entity
   id: BaseCommandContraband
diff --git a/Resources/Prototypes/_DV/Mapping/categories.yml b/Resources/Prototypes/_DV/Mapping/categories.yml
new file mode 100644
index 0000000000..04ea3f5005
--- /dev/null
+++ b/Resources/Prototypes/_DV/Mapping/categories.yml
@@ -0,0 +1,28 @@
+# Stuff like bang stick that should NEVER be mapped
+- type: mappingCategory
+  id: Debug
+
+# Only centcomm gets centcomm gear
+- type: mappingCategory
+  id: Centcomm
+
+# Changeling stuff should probably never be mapped anywhere
+- type: mappingCategory
+  id: Changeling
+
+# Pirate gear for the pirate ship
+- type: mappingCategory
+  id: Pirate
+
+# Serious syndicate gear that stations should not have, like blood-reds.
+- type: mappingCategory
+  id: Syndicate
+
+# Only the wizard shuttle gets wizard gear
+- type: mappingCategory
+  id: Wizard
+
+# Stamps should not be mapped directly, their lockers should instead.
+- type: mappingCategory
+  id: Stamps
+  ignoreInsideContainer: true
diff --git a/Resources/Prototypes/_DV/Mapping/maps.yml b/Resources/Prototypes/_DV/Mapping/maps.yml
new file mode 100644
index 0000000000..7dfcbd82d5
--- /dev/null
+++ b/Resources/Prototypes/_DV/Mapping/maps.yml
@@ -0,0 +1,109 @@
+# Central Command
+
+- type: mapCategories
+  id: Centcomm
+  map: /Maps/_DV/centcomm.yml
+  allowed:
+  - Centcomm
+  - Stamps # no CC official locker to put the btamp in
+
+# Stations
+
+- type: mapCategories
+  id: Chibi
+  map: /Maps/chibi.yml
+  allowed:
+  - Stamps # tiny station doesn't have lockers for everyone
+
+- type: mapCategories
+  id: Shoukou
+  map: /Maps/shoukou.yml
+  allowed:
+  - Stamps # greytide stamp is mapped on shoukou
+
+# Dungeons
+
+- type: mapCategories
+  id: SnowyLabs
+  map: /Maps/Dungeon/snowy_labs.yml
+  allowed:
+  - Centcomm # CC pen gamer loot
+
+# Nonstations
+
+- type: mapCategories
+  id: NukiePlanet
+  map: /Maps/Nonstations/nukieplanet.yml
+  allowed:
+  - Syndicate # obviously nukies can have syndicate gear
+
+- type: mapCategories
+  id: ListeningPost
+  map: /Maps/_DV/Nonstations/listening_post.yml
+  allowed:
+  - Syndicate
+
+# Shuttles
+
+- type: mapCategories
+  id: Dart
+  map: /Maps/Shuttles/dart.yml
+  allowed:
+  - Centcomm
+
+- type: mapCategories
+  id: Infiltrator
+  map: /Maps/Shuttles/infiltrator.yml
+  allowed:
+  - Syndicate
+
+- type: mapCategories
+  id: Instigator
+  map: /Maps/Shuttles/ShuttleEvent/instigator.yml
+  allowed:
+  - Syndicate
+
+- type: mapCategories
+  id: PirateShip
+  map: /Maps/Shuttles/pirate.yml
+  allowed:
+  - Pirate
+  - Syndicate # it has 2 turret toolboxes for some reason
+
+- type: mapCategories
+  id: RoboNeuroticistShip
+  map: /Maps/Shuttles/roboneuroticist_ship.yml
+  allowed:
+  - Syndicate
+
+- type: mapCategories
+  id: Striker
+  map: /Maps/Shuttles/ShuttleEvent/striker.yml
+  allowed:
+  - Syndicate
+
+- type: mapCategories
+  id: TravelingChinaCuisine
+  map: /Maps/Shuttles/ShuttleEvent/traveling_china_cuisine.yml
+  allowed:
+  - Stamps # Trader stamp
+
+- type: mapCategories
+  id: WizardShuttle
+  map: /Maps/Shuttles/wizard.yml
+  allowed:
+  - Wizard
+
+# Ruins
+
+- type: mapCategories
+  id: OldAiSat
+  map: /Maps/Ruins/old_ai_sat.yml
+  allowed:
+  - Centcomm # CC officer's jumpsuit
+
+- type: mapCategories
+  id: OldAiSatDV
+  map: /Maps/_DV/Ruins/old_ai_sat.yml
+  allowed:
+  - Centcomm # CC officer's jumpsuit