diff --git a/crates/app/storyteller_web/src/http_server/endpoints/categories/create_category.rs b/crates/app/storyteller_web/src/http_server/endpoints/categories/create_category.rs
new file mode 100644
index 0000000000..e69de29bb2
diff --git a/crates/app/storyteller_web/src/http_server/endpoints/categories/delete_category.rs b/crates/app/storyteller_web/src/http_server/endpoints/categories/delete_category.rs
new file mode 100644
index 0000000000..e69de29bb2
diff --git a/crates/app/storyteller_web/src/http_server/endpoints/categories/edit_category.rs b/crates/app/storyteller_web/src/http_server/endpoints/categories/edit_category.rs
new file mode 100644
index 0000000000..e69de29bb2
diff --git a/crates/app/storyteller_web/src/http_server/endpoints/categories/list_categories.rs b/crates/app/storyteller_web/src/http_server/endpoints/categories/list_categories.rs
new file mode 100644
index 0000000000..e69de29bb2
diff --git a/crates/app/storyteller_web/src/http_server/endpoints/categories/mod.rs b/crates/app/storyteller_web/src/http_server/endpoints/categories/mod.rs
new file mode 100644
index 0000000000..ed0a0cfaed
--- /dev/null
+++ b/crates/app/storyteller_web/src/http_server/endpoints/categories/mod.rs
@@ -0,0 +1,4 @@
+pub mod create_category;
+pub mod delete_category;
+pub mod edit_category;
+pub mod list_categories;
\ No newline at end of file
diff --git a/crates/app/storyteller_web/src/http_server/endpoints/mod.rs b/crates/app/storyteller_web/src/http_server/endpoints/mod.rs
index 1bb6fcabce..f7f14dfbc9 100644
--- a/crates/app/storyteller_web/src/http_server/endpoints/mod.rs
+++ b/crates/app/storyteller_web/src/http_server/endpoints/mod.rs
@@ -1,3 +1,4 @@
+pub mod categories;
 pub mod events;
 pub mod leaderboard;
 pub mod misc;
diff --git a/migrations/2021-12-20-230000_model_categories/down.sql b/migrations/2021-12-20-230000_model_categories/down.sql
index ba45bcd3c8..986333f646 100644
--- a/migrations/2021-12-20-230000_model_categories/down.sql
+++ b/migrations/2021-12-20-230000_model_categories/down.sql
@@ -3,4 +3,5 @@
 -- noinspection SqlResolveForFile
 
 DROP TABLE model_categories;
-DROP TABLE model_category_assignments;
\ No newline at end of file
+DROP TABLE tts_category_assignments;
+DROP TABLE w2l_category_assignments;
diff --git a/migrations/2021-12-20-230000_model_categories/up.sql b/migrations/2021-12-20-230000_model_categories/up.sql
index 84562b47f4..3dbb313d4d 100644
--- a/migrations/2021-12-20-230000_model_categories/up.sql
+++ b/migrations/2021-12-20-230000_model_categories/up.sql
@@ -9,6 +9,14 @@ CREATE TABLE model_categories (
   -- Visible "primary key"
   token VARCHAR(32) NOT NULL,
 
+  -- ========== MODEL TYPE ==========
+
+  model_type ENUM(
+    'not_set',
+    'tts',
+    'w2l'
+  ) NOT NULL DEFAULT 'not_set',
+
   -- ========== CATEGORY TOPOLOGY ==========
 
   -- Optional foreign key link to super category.
@@ -16,7 +24,7 @@ CREATE TABLE model_categories (
   super_category_token VARCHAR(32) DEFAULT NULL,
 
   -- If this category can be applied directly to models.
-  can_have_models BOOLEAN NOT NULL DEFAULT false,
+  can_directly_have_models BOOLEAN NOT NULL DEFAULT false,
 
   -- If this category can have subcategories.
   can_have_subcategories BOOLEAN NOT NULL DEFAULT false,
@@ -70,14 +78,54 @@ CREATE TABLE model_categories (
   PRIMARY KEY (id),
   UNIQUE KEY (token),
   KEY fk_super_category_token (super_category_token),
-  KEY index_can_have_models (can_have_models),
+  KEY index_model_type (model_type),
+  KEY index_can_directly_have_models (can_directly_have_models),
   KEY index_can_have_subcategories (can_have_subcategories),
   KEY index_is_mod_approved (is_mod_approved)
 
 ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin;
 
 -- Join table assigning models to zero or more categories.
-CREATE TABLE model_category_assignments (
+CREATE TABLE tts_category_assignments (
+  -- Not used for anything except replication.
+  id BIGINT(20) NOT NULL AUTO_INCREMENT,
+
+  model_token VARCHAR(32) NOT NULL,
+  category_token VARCHAR(32) NOT NULL,
+
+  -- ========== USER DETAILS ==========
+
+  -- The person that created the assignment.
+  -- This can be the model owner or a moderator.
+  category_addition_user_token VARCHAR(32) NOT NULL,
+
+  -- The person that removed the assignment.
+  -- This can be the model owner or a moderator.
+  category_removal_user_token VARCHAR(32) NOT NULL,
+
+  -- For abuse tracking.
+  -- THIS CAN BE A MODERATOR FOR SIMPLICITY.
+  -- Wide enough for IPv4/6
+  ip_address_creation VARCHAR(40) NOT NULL,
+  ip_address_last_update VARCHAR(40) NOT NULL,
+
+  -- ========== TIMESTAMPS ==========
+
+  created_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
+  updated_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
+  deleted_at TIMESTAMP NULL,
+
+  -- INDICES --
+  PRIMARY KEY (id),
+  UNIQUE KEY (model_token, category_token),
+  KEY fk_model_token (model_token),
+  KEY fk_category_token (category_token),
+  KEY index_deleted_at (deleted_at)
+
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin;
+
+-- Join table assigning models to zero or more categories.
+CREATE TABLE w2l_category_assignments (
   -- Not used for anything except replication.
   id BIGINT(20) NOT NULL AUTO_INCREMENT,