diff --git a/app/Http/Filters/V1/ModFilter.php b/app/Http/Filters/V1/ModFilter.php
index 722ba71..dd64b11 100644
--- a/app/Http/Filters/V1/ModFilter.php
+++ b/app/Http/Filters/V1/ModFilter.php
@@ -7,9 +7,36 @@ use Illuminate\Support\Str;
 
 class ModFilter extends QueryFilter
 {
+    protected array $sortable = [
+        'name',
+        'slug',
+        'teaser',
+        'source_code_link',
+        'featured',
+        'contains_ads',
+        'contains_ai_content',
+        'created_at',
+        'updated_at',
+        'published_at',
+    ];
+
     // TODO: Many of these are repeated across UserFilter and ModFilter. Consider refactoring into a shared trait.
     //       Also, consider using common filter types and making the field names dynamic.
 
+    public function id(string $value): Builder
+    {
+        $ids = array_map('trim', explode(',', $value));
+
+        return $this->builder->whereIn('id', $ids);
+    }
+
+    public function hub_id(string $value): Builder
+    {
+        $ids = array_map('trim', explode(',', $value));
+
+        return $this->builder->whereIn('hub_id', $ids);
+    }
+
     public function name(string $value): Builder
     {
         // The API handles the wildcard character as an asterisk (*), but the database uses the percentage sign (%).
@@ -45,7 +72,7 @@ class ModFilter extends QueryFilter
     public function created_at(string $value): Builder
     {
         // The API allows for a range of dates to be passed as a comma-separated list.
-        $dates = explode(',', $value);
+        $dates = array_map('trim', explode(',', $value));
         if (count($dates) > 1) {
             return $this->builder->whereBetween('created_at', $dates);
         }
@@ -56,7 +83,7 @@ class ModFilter extends QueryFilter
     public function updated_at(string $value): Builder
     {
         // The API allows for a range of dates to be passed as a comma-separated list.
-        $dates = explode(',', $value);
+        $dates = array_map('trim', explode(',', $value));
         if (count($dates) > 1) {
             return $this->builder->whereBetween('updated_at', $dates);
         }
@@ -67,7 +94,7 @@ class ModFilter extends QueryFilter
     public function published_at(string $value): Builder
     {
         // The API allows for a range of dates to be passed as a comma-separated list.
-        $dates = explode(',', $value);
+        $dates = array_map('trim', explode(',', $value));
         if (count($dates) > 1) {
             return $this->builder->whereBetween('published_at', $dates);
         }
diff --git a/app/Http/Filters/V1/QueryFilter.php b/app/Http/Filters/V1/QueryFilter.php
index 0e4b8e6..f636cd7 100644
--- a/app/Http/Filters/V1/QueryFilter.php
+++ b/app/Http/Filters/V1/QueryFilter.php
@@ -4,12 +4,20 @@ namespace App\Http\Filters\V1;
 
 use Illuminate\Database\Eloquent\Builder;
 use Illuminate\Http\Request;
+use Illuminate\Support\Str;
 
 abstract class QueryFilter
 {
     protected Builder $builder;
 
-    public function __construct(protected Request $request) {}
+    protected Request $request;
+
+    protected array $sortable = [];
+
+    public function __construct(Request $request)
+    {
+        $this->request = $request;
+    }
 
     public function apply(Builder $builder): Builder
     {
@@ -34,4 +42,20 @@ abstract class QueryFilter
 
         return $this->builder;
     }
+
+    protected function sort(string $values): Builder
+    {
+        $sortables = array_map('trim', explode(',', $values));
+
+        foreach ($sortables as $sortable) {
+            $direction = Str::startsWith($sortable, '-') ? 'desc' : 'asc';
+            $column = Str::of($sortable)->remove('-')->value();
+
+            if (in_array($column, $this->sortable)) {
+                $this->builder->orderBy($column, $direction);
+            }
+        }
+
+        return $this->builder;
+    }
 }
diff --git a/app/Http/Filters/V1/UserFilter.php b/app/Http/Filters/V1/UserFilter.php
index 9684150..1eec8fc 100644
--- a/app/Http/Filters/V1/UserFilter.php
+++ b/app/Http/Filters/V1/UserFilter.php
@@ -7,9 +7,22 @@ use Illuminate\Support\Str;
 
 class UserFilter extends QueryFilter
 {
+    protected array $sortable = [
+        'name',
+        'created_at',
+        'updated_at',
+    ];
+
     // TODO: Many of these are repeated across UserFilter and ModFilter. Consider refactoring into a shared trait.
     //       Also, consider using common filter types and making the field names dynamic.
 
+    public function id(string $value): Builder
+    {
+        $ids = array_map('trim', explode(',', $value));
+
+        return $this->builder->whereIn('id', $ids);
+    }
+
     public function name(string $value): Builder
     {
         // The API handles the wildcard character as an asterisk (*), but the database uses the percentage sign (%).
@@ -21,7 +34,7 @@ class UserFilter extends QueryFilter
     public function created_at(string $value): Builder
     {
         // The API allows for a range of dates to be passed as a comma-separated list.
-        $dates = explode(',', $value);
+        $dates = array_map('trim', explode(',', $value));
         if (count($dates) > 1) {
             return $this->builder->whereBetween('created_at', $dates);
         }
@@ -32,7 +45,7 @@ class UserFilter extends QueryFilter
     public function updated_at(string $value): Builder
     {
         // The API allows for a range of dates to be passed as a comma-separated list.
-        $dates = explode(',', $value);
+        $dates = array_map('trim', explode(',', $value));
         if (count($dates) > 1) {
             return $this->builder->whereBetween('updated_at', $dates);
         }
diff --git a/app/Http/Resources/Api/V0/ModResource.php b/app/Http/Resources/Api/V0/ModResource.php
index 1737e26..d02762d 100644
--- a/app/Http/Resources/Api/V0/ModResource.php
+++ b/app/Http/Resources/Api/V0/ModResource.php
@@ -19,6 +19,7 @@ class ModResource extends JsonResource
             'type' => 'mod',
             'id' => $this->id,
             'attributes' => [
+                'hub_id' => $this->hub_id,
                 'name' => $this->name,
                 'slug' => $this->slug,
                 'teaser' => $this->teaser,