diff --git a/front/js/svelte/content/tools/AppliedFilter.svelte b/front/js/svelte/content/tools/AppliedFilter.svelte
index b64d165..c8e89d5 100644
--- a/front/js/svelte/content/tools/AppliedFilter.svelte
+++ b/front/js/svelte/content/tools/AppliedFilter.svelte
@@ -12,7 +12,6 @@
     export let inModal;
     export let modalUrl;
     export let graph;
-
     let filter = {
         label: "",
         operator: "",
@@ -58,9 +57,11 @@
     const filterRecord = extractFilterRecord(graph, value);
 
     function extractFilterRecord(graph, value) {
+
         if (!filter.isReference) {
             return null;
         }
+        console.log(graph)
         return graph.records.find(r => r.id === value);
     }
 
@@ -82,7 +83,7 @@
         {#if filter.isReference && filterRecord}
               {filter.label} is {previewTitle(channel.schemas, filterRecord)}
         {:else}
-              {filter.label} {operators.find((o) => o.name === filter.operator)?.symbol ?? ""} {value}
+              {filter.label} {operators.find((o) => o.name === filter.operator)?.symbol ?? ""} {operators.find((o) => o.name === filter.operator)?.hasValue ? value : ""}
         {/if}
 
         <button
diff --git a/front/js/svelte/content/tools/FilterFields.svelte b/front/js/svelte/content/tools/FilterFields.svelte
index 8c84935..ead366c 100644
--- a/front/js/svelte/content/tools/FilterFields.svelte
+++ b/front/js/svelte/content/tools/FilterFields.svelte
@@ -11,7 +11,6 @@
     export let inModal;
     export let modalUrl;
 
-
     let dropdown;
     let search = "";
     let systemFieldsFiltered = systemFields;
@@ -70,6 +69,13 @@
         activeOperator = operators.find(o => o.name === "eq")
     }
 
+    function selectOperator(e, operator) {
+        activeOperator = operator;
+        if (!operator.hasValue) {
+            applyFilter(e)
+        }
+    }
+
     function applyFilter(e) {
         e.preventDefault();
         let filterPrefix = "";
@@ -146,7 +152,7 @@
                 <div class="selected-filter">field: {activeField.label}</div>
 
                 {#each activeOperators as operator}
-                    <button class="dropdown-item button" on:click={e => activeOperator = operator }>
+                    <button class="dropdown-item button" on:click={e => selectOperator(e,operator)}>
                         {operator.label}
                     </button>
                 {/each}
@@ -214,8 +220,8 @@
                         required
                 />
 
-                <button  class="button applied-filter">
-                   Submit
+                <button class="button applied-filter">
+                    Submit
                 </button>
 
             </form>
diff --git a/front/views/auth/login.blade.php b/front/views/auth/login.blade.php
index 7e40667..5bcb84d 100644
--- a/front/views/auth/login.blade.php
+++ b/front/views/auth/login.blade.php
@@ -10,6 +10,7 @@
                 <h2 class="mb-5">Enter Lucent</h2>
 
                 <form hx-post="/lucent/login" >
+                    @csrf
                     <p>Submit your email address and you will receive a <b>login link</b> to your email</p>
                     <p>Don't forget to check your spam folder</p>
                     <div class="mt-5 mb-3">
diff --git a/src/Http/Controller/RecordController.php b/src/Http/Controller/RecordController.php
index 9ff8a27..60a6178 100644
--- a/src/Http/Controller/RecordController.php
+++ b/src/Http/Controller/RecordController.php
@@ -8,7 +8,7 @@ use Lucent\Account\AccountService;
 use Lucent\Account\AuthService;
 use Lucent\Channel\ChannelService;
 use Lucent\LucentException;
-use Lucent\Query\Operator;
+use Lucent\Query\Operator\OperatorRegistry;
 use Lucent\Query\Query;
 use Lucent\Record\InputData\EdgeInputData;
 use Lucent\Record\InputData\RecordInputData;
@@ -25,13 +25,14 @@ use function Lucent\Response\ok;
 class RecordController extends Controller
 {
     public function __construct(
-        private readonly RecordService  $recordService,
-        private readonly AccountService $accountService,
-        private readonly AuthService    $authService,
-        private readonly ChannelService $channelService,
-        private readonly Svelte         $svelte,
-        private readonly Query          $query,
-        private readonly Manager        $recordManager
+        private readonly RecordService    $recordService,
+        private readonly AccountService   $accountService,
+        private readonly AuthService      $authService,
+        private readonly ChannelService   $channelService,
+        private readonly Svelte           $svelte,
+        private readonly Query            $query,
+        private readonly Manager          $recordManager,
+        private readonly OperatorRegistry $operatorRegistry
     )
     {
     }
@@ -79,7 +80,6 @@ class RecordController extends Controller
 
         $records = $graph->getRootRecords()->toArray();
 
-
         $data = [
             "schemas" => $this->channelService->channel->schemas,
             "schema" => $schema,
@@ -87,7 +87,7 @@ class RecordController extends Controller
             "records" => $records,
             "graph" => toArray($graph),
             "systemFields" => array_values(System::list()),
-            "operators" => array_values(Operator::list()),
+            "operators" => $this->operatorRegistry->all(),
             "sortParam" => $sort,
             "sortField" => $schema->fields->merge(array_values(System::list()))->firstWhere(fn($field) => $field->name === $sort || "-" . $field->name === $sort || "data." . $field->name === $sort || "-data." . $field->name === $sort),
             "limit" => $limit,
@@ -302,7 +302,7 @@ class RecordController extends Controller
                     id: $request->input("record.id"),
                     data: $request->input("record.data"),
                     status: Status::from($request->input("record.status")),
-                    edges:  array_map(EdgeInputData::fromArray(...), $request->input("edges") ?? []),
+                    edges: array_map(EdgeInputData::fromArray(...), $request->input("edges") ?? []),
                 );
             }
 
diff --git a/src/Query/BuilderConverter/BuilderConverter.php b/src/Query/BuilderConverter/BuilderConverter.php
new file mode 100644
index 0000000..ec499e2
--- /dev/null
+++ b/src/Query/BuilderConverter/BuilderConverter.php
@@ -0,0 +1,13 @@
+<?php
+
+namespace Lucent\Query\BuilderConverter;
+
+use Lucent\Query\Filter\Argument;
+
+class BuilderConverter
+{
+    public function for(Argument $argument): IBuilderConverter
+    {
+        return  new ($argument->operator->converter)($argument);
+    }
+}
\ No newline at end of file
diff --git a/src/Query/BuilderConverter/Equals.php b/src/Query/BuilderConverter/Equals.php
new file mode 100644
index 0000000..e54a4ad
--- /dev/null
+++ b/src/Query/BuilderConverter/Equals.php
@@ -0,0 +1,29 @@
+<?php
+
+namespace Lucent\Query\BuilderConverter;
+
+use Illuminate\Database\Query\Builder;
+use Lucent\Query\Filter\Argument;
+
+readonly class Equals implements IBuilderConverter
+{
+
+    public function __construct(private Argument $argument)
+    {
+    }
+
+    public function toAndQueryBuilder(Builder $builder): Builder
+    {
+        return $builder->where($this->argument->field, $this->formatValue());
+    }
+
+    public function toOrQueryBuilder(Builder $builder): Builder
+    {
+        return $builder->orWhere($this->argument->field,  $this->formatValue());
+    }
+
+    private function formatValue(): string
+    {
+        return trim($this->argument->value);
+    }
+}
\ No newline at end of file
diff --git a/src/Query/BuilderConverter/EqualsFalse.php b/src/Query/BuilderConverter/EqualsFalse.php
new file mode 100644
index 0000000..7add416
--- /dev/null
+++ b/src/Query/BuilderConverter/EqualsFalse.php
@@ -0,0 +1,26 @@
+<?php
+
+namespace Lucent\Query\BuilderConverter;
+
+use Illuminate\Database\Query\Builder;
+use Lucent\Query\Filter\Argument;
+
+readonly class EqualsFalse implements IBuilderConverter
+{
+
+    public function __construct(private Argument $argument)
+    {
+    }
+
+    public function toAndQueryBuilder(Builder $builder): Builder
+    {
+        return $builder->where($this->argument->field, false);
+    }
+
+    public function toOrQueryBuilder(Builder $builder): Builder
+    {
+        return $builder->orWhere($this->argument->field, false);
+    }
+
+
+}
\ No newline at end of file
diff --git a/src/Query/BuilderConverter/EqualsNumber.php b/src/Query/BuilderConverter/EqualsNumber.php
new file mode 100644
index 0000000..786d347
--- /dev/null
+++ b/src/Query/BuilderConverter/EqualsNumber.php
@@ -0,0 +1,31 @@
+<?php
+
+namespace Lucent\Query\BuilderConverter;
+
+use Illuminate\Database\Query\Builder;
+use Lucent\Query\Filter\Argument;
+
+readonly class EqualsNumber implements IBuilderConverter
+{
+
+    public function __construct(private Argument $argument)
+    {
+    }
+
+    public function toAndQueryBuilder(Builder $builder): Builder
+    {
+
+        return $builder->where($this->argument->field, $this->formatValue());
+    }
+
+    public function toOrQueryBuilder(Builder $builder): Builder
+    {
+        return $builder->orWhere($this->argument->field, $this->formatValue());
+    }
+
+    private function formatValue(): int|float
+    {
+        $value = trim($this->argument->value);
+        return str_contains($value, ".") ? floatval($value) : intval($value);
+    }
+}
\ No newline at end of file
diff --git a/src/Query/BuilderConverter/EqualsTrue.php b/src/Query/BuilderConverter/EqualsTrue.php
new file mode 100644
index 0000000..7c08d5b
--- /dev/null
+++ b/src/Query/BuilderConverter/EqualsTrue.php
@@ -0,0 +1,25 @@
+<?php
+
+namespace Lucent\Query\BuilderConverter;
+
+use Illuminate\Database\Query\Builder;
+use Lucent\Query\Filter\Argument;
+
+readonly class EqualsTrue implements IBuilderConverter
+{
+
+    public function __construct(private Argument $argument)
+    {
+    }
+
+    public function toAndQueryBuilder(Builder $builder): Builder
+    {
+        return $builder->where($this->argument->field, true);
+    }
+
+    public function toOrQueryBuilder(Builder $builder): Builder
+    {
+        return $builder->orWhere($this->argument->field, true);
+    }
+
+}
\ No newline at end of file
diff --git a/src/Query/BuilderConverter/Exists.php b/src/Query/BuilderConverter/Exists.php
new file mode 100644
index 0000000..eb36c53
--- /dev/null
+++ b/src/Query/BuilderConverter/Exists.php
@@ -0,0 +1,25 @@
+<?php
+
+namespace Lucent\Query\BuilderConverter;
+
+use Illuminate\Database\Query\Builder;
+use Lucent\Query\Filter\Argument;
+
+readonly class Exists implements IBuilderConverter
+{
+
+    public function __construct(private Argument $argument)
+    {
+    }
+
+    public function toAndQueryBuilder(Builder $builder): Builder
+    {
+        return $builder->whereNot($this->argument->field, "")->whereNotNull($this->argument->field);
+    }
+
+    public function toOrQueryBuilder(Builder $builder): Builder
+    {
+        return $builder->whereNot($this->argument->field, "")->whereNotNull($this->argument->field);
+    }
+
+}
\ No newline at end of file
diff --git a/src/Query/BuilderConverter/Filter.php b/src/Query/BuilderConverter/Filter.php
new file mode 100644
index 0000000..a96f92f
--- /dev/null
+++ b/src/Query/BuilderConverter/Filter.php
@@ -0,0 +1,25 @@
+<?php
+
+namespace Lucent\Query\BuilderConverter;
+
+use Illuminate\Database\Query\Builder;
+use Lucent\Query\Filter\Argument;
+
+readonly class Filter implements IBuilderConverter
+{
+
+    public function __construct(private Argument $argument)
+    {
+    }
+
+    public function toAndQueryBuilder(Builder $builder): Builder
+    {
+        return  $builder->whereJsonContains($this->argument->field, [$this->argument->value]);
+    }
+
+    public function toOrQueryBuilder(Builder $builder): Builder
+    {
+        return $builder->orWhereJsonContains($this->argument->field, [$this->argument->value]);
+    }
+
+}
\ No newline at end of file
diff --git a/src/Query/BuilderConverter/GreaterThan.php b/src/Query/BuilderConverter/GreaterThan.php
new file mode 100644
index 0000000..5527cb8
--- /dev/null
+++ b/src/Query/BuilderConverter/GreaterThan.php
@@ -0,0 +1,35 @@
+<?php
+
+namespace Lucent\Query\BuilderConverter;
+
+use Illuminate\Database\Query\Builder;
+use Lucent\Query\Filter\Argument;
+
+readonly class GreaterThan implements IBuilderConverter
+{
+
+    public function __construct(private Argument $argument)
+    {
+    }
+
+    public function toAndQueryBuilder(Builder $builder): Builder
+    {
+
+        return $builder->where($this->argument->field, ">", $this->formatValue());
+    }
+
+    public function toOrQueryBuilder(Builder $builder): Builder
+    {
+        return $builder->orWhere($this->argument->field, ">", $this->formatValue());
+    }
+
+    private function formatValue(): int|float
+    {
+        $value = trim($this->argument->value);
+        if (is_numeric($value)) {
+            return str_contains($value, ".") ? floatval($value) : intval($value);
+        }
+        return $value;
+
+    }
+}
\ No newline at end of file
diff --git a/src/Query/BuilderConverter/GreaterThanEquals.php b/src/Query/BuilderConverter/GreaterThanEquals.php
new file mode 100644
index 0000000..809cf7f
--- /dev/null
+++ b/src/Query/BuilderConverter/GreaterThanEquals.php
@@ -0,0 +1,35 @@
+<?php
+
+namespace Lucent\Query\BuilderConverter;
+
+use Illuminate\Database\Query\Builder;
+use Lucent\Query\Filter\Argument;
+
+readonly class GreaterThanEquals implements IBuilderConverter
+{
+
+    public function __construct(private Argument $argument)
+    {
+    }
+
+    public function toAndQueryBuilder(Builder $builder): Builder
+    {
+
+        return $builder->where($this->argument->field, ">=", $this->formatValue());
+    }
+
+    public function toOrQueryBuilder(Builder $builder): Builder
+    {
+        return $builder->orWhere($this->argument->field, ">=", $this->formatValue());
+    }
+
+    private function formatValue(): int|float
+    {
+        $value = trim($this->argument->value);
+        if (is_numeric($value)) {
+            return str_contains($value, ".") ? floatval($value) : intval($value);
+        }
+        return $value;
+
+    }
+}
\ No newline at end of file
diff --git a/src/Query/BuilderConverter/IBuilderConverter.php b/src/Query/BuilderConverter/IBuilderConverter.php
new file mode 100644
index 0000000..5996a4a
--- /dev/null
+++ b/src/Query/BuilderConverter/IBuilderConverter.php
@@ -0,0 +1,13 @@
+<?php
+
+namespace Lucent\Query\BuilderConverter;
+
+use Illuminate\Database\Query\Builder;
+
+interface IBuilderConverter
+{
+
+    public function toAndQueryBuilder(Builder $builder): Builder;
+
+    public function toOrQueryBuilder(Builder $builder): Builder;
+}
\ No newline at end of file
diff --git a/src/Query/BuilderConverter/In.php b/src/Query/BuilderConverter/In.php
new file mode 100644
index 0000000..3d52fe5
--- /dev/null
+++ b/src/Query/BuilderConverter/In.php
@@ -0,0 +1,33 @@
+<?php
+
+namespace Lucent\Query\BuilderConverter;
+
+use Illuminate\Database\Query\Builder;
+use Lucent\Query\Filter\Argument;
+
+readonly class In implements IBuilderConverter
+{
+
+    public function __construct(private Argument $argument)
+    {
+    }
+
+    public function toAndQueryBuilder(Builder $builder): Builder
+    {
+        return $builder->whereIn($this->argument->field, $this->formatValue());
+    }
+
+    public function toOrQueryBuilder(Builder $builder): Builder
+    {
+        return $builder->orWhereIn($this->argument->field, $this->formatValue());
+    }
+
+    private function formatValue(): array
+    {
+        $value = $this->argument->value;
+        if (is_string($value)) {
+            $value = explode(",", $value);
+        }
+        return array_map(fn($v) => trim($v), $value);
+    }
+}
\ No newline at end of file
diff --git a/src/Query/BuilderConverter/InNum.php b/src/Query/BuilderConverter/InNum.php
new file mode 100644
index 0000000..28205ab
--- /dev/null
+++ b/src/Query/BuilderConverter/InNum.php
@@ -0,0 +1,39 @@
+<?php
+
+namespace Lucent\Query\BuilderConverter;
+
+use Illuminate\Database\Query\Builder;
+use Lucent\Query\Filter\Argument;
+
+readonly class InNum implements IBuilderConverter
+{
+
+    public function __construct(private Argument $argument)
+    {
+    }
+
+    public function toAndQueryBuilder(Builder $builder): Builder
+    {
+        return $builder->whereIn($this->argument->field, $this->formatValue());
+    }
+
+    public function toOrQueryBuilder(Builder $builder): Builder
+    {
+        return $builder->orWhereIn($this->argument->field, $this->formatValue());
+    }
+
+    private function formatValue(): array
+    {
+        $value = $this->argument->value;
+        if (is_string($value)) {
+            $value = explode(",", $value);
+        }
+        return array_map(fn($v) => $this->formatNumber($v), $value);
+    }
+
+    private function formatNumber(string $value): float|int
+    {
+        $value = trim($value);
+        return str_contains($value, ".") ? floatval($value) : intval($value);
+    }
+}
\ No newline at end of file
diff --git a/src/Query/BuilderConverter/IsNull.php b/src/Query/BuilderConverter/IsNull.php
new file mode 100644
index 0000000..9ed096d
--- /dev/null
+++ b/src/Query/BuilderConverter/IsNull.php
@@ -0,0 +1,25 @@
+<?php
+
+namespace Lucent\Query\BuilderConverter;
+
+use Illuminate\Database\Query\Builder;
+use Lucent\Query\Filter\Argument;
+
+readonly class IsNull implements IBuilderConverter
+{
+
+    public function __construct(private Argument $argument)
+    {
+    }
+
+    public function toAndQueryBuilder(Builder $builder): Builder
+    {
+        return $builder->whereNull($this->argument->field);
+    }
+
+    public function toOrQueryBuilder(Builder $builder): Builder
+    {
+        return $builder->orWhereNull($this->argument->field);
+    }
+
+}
\ No newline at end of file
diff --git a/src/Query/BuilderConverter/LessThan.php b/src/Query/BuilderConverter/LessThan.php
new file mode 100644
index 0000000..aefea3e
--- /dev/null
+++ b/src/Query/BuilderConverter/LessThan.php
@@ -0,0 +1,35 @@
+<?php
+
+namespace Lucent\Query\BuilderConverter;
+
+use Illuminate\Database\Query\Builder;
+use Lucent\Query\Filter\Argument;
+
+readonly class LessThan implements IBuilderConverter
+{
+
+    public function __construct(private Argument $argument)
+    {
+    }
+
+    public function toAndQueryBuilder(Builder $builder): Builder
+    {
+
+        return $builder->where($this->argument->field, "<", $this->formatValue());
+    }
+
+    public function toOrQueryBuilder(Builder $builder): Builder
+    {
+        return $builder->orWhere($this->argument->field, "<", $this->formatValue());
+    }
+
+    private function formatValue(): int|float
+    {
+        $value = trim($this->argument->value);
+        if (is_numeric($value)) {
+            return str_contains($value, ".") ? floatval($value) : intval($value);
+        }
+        return $value;
+
+    }
+}
\ No newline at end of file
diff --git a/src/Query/BuilderConverter/LessThanEquals.php b/src/Query/BuilderConverter/LessThanEquals.php
new file mode 100644
index 0000000..000c63d
--- /dev/null
+++ b/src/Query/BuilderConverter/LessThanEquals.php
@@ -0,0 +1,35 @@
+<?php
+
+namespace Lucent\Query\BuilderConverter;
+
+use Illuminate\Database\Query\Builder;
+use Lucent\Query\Filter\Argument;
+
+readonly class LessThanEquals implements IBuilderConverter
+{
+
+    public function __construct(private Argument $argument)
+    {
+    }
+
+    public function toAndQueryBuilder(Builder $builder): Builder
+    {
+
+        return $builder->where($this->argument->field, "<=", $this->formatValue());
+    }
+
+    public function toOrQueryBuilder(Builder $builder): Builder
+    {
+        return $builder->orWhere($this->argument->field, "<=", $this->formatValue());
+    }
+
+    private function formatValue(): int|float
+    {
+        $value = trim($this->argument->value);
+        if (is_numeric($value)) {
+            return str_contains($value, ".") ? floatval($value) : intval($value);
+        }
+        return $value;
+
+    }
+}
\ No newline at end of file
diff --git a/src/Query/BuilderConverter/NotEquals.php b/src/Query/BuilderConverter/NotEquals.php
new file mode 100644
index 0000000..2fa8441
--- /dev/null
+++ b/src/Query/BuilderConverter/NotEquals.php
@@ -0,0 +1,29 @@
+<?php
+
+namespace Lucent\Query\BuilderConverter;
+
+use Illuminate\Database\Query\Builder;
+use Lucent\Query\Filter\Argument;
+
+readonly class NotEquals implements IBuilderConverter
+{
+
+    public function __construct(private Argument $argument)
+    {
+    }
+
+    public function toAndQueryBuilder(Builder $builder): Builder
+    {
+        return $builder->whereNot($this->argument->field, $this->formatValue());
+    }
+
+    public function toOrQueryBuilder(Builder $builder): Builder
+    {
+        return $builder->orWhereNot($this->argument->field,  $this->formatValue());
+    }
+
+    private function formatValue(): string
+    {
+        return trim($this->argument->value);
+    }
+}
\ No newline at end of file
diff --git a/src/Query/BuilderConverter/NotEqualsFalse.php b/src/Query/BuilderConverter/NotEqualsFalse.php
new file mode 100644
index 0000000..e30507c
--- /dev/null
+++ b/src/Query/BuilderConverter/NotEqualsFalse.php
@@ -0,0 +1,26 @@
+<?php
+
+namespace Lucent\Query\BuilderConverter;
+
+use Illuminate\Database\Query\Builder;
+use Lucent\Query\Filter\Argument;
+
+readonly class NotEqualsFalse implements IBuilderConverter
+{
+
+    public function __construct(private Argument $argument)
+    {
+    }
+
+    public function toAndQueryBuilder(Builder $builder): Builder
+    {
+        return $builder->whereNot($this->argument->field, false);
+    }
+
+    public function toOrQueryBuilder(Builder $builder): Builder
+    {
+        return $builder->orWhereNot($this->argument->field, false);
+    }
+
+
+}
\ No newline at end of file
diff --git a/src/Query/BuilderConverter/NotEqualsNumber.php b/src/Query/BuilderConverter/NotEqualsNumber.php
new file mode 100644
index 0000000..dcac9d9
--- /dev/null
+++ b/src/Query/BuilderConverter/NotEqualsNumber.php
@@ -0,0 +1,30 @@
+<?php
+
+namespace Lucent\Query\BuilderConverter;
+
+use Illuminate\Database\Query\Builder;
+use Lucent\Query\Filter\Argument;
+
+readonly class NotEqualsNumber implements IBuilderConverter
+{
+
+    public function __construct(private Argument $argument)
+    {
+    }
+
+    public function toAndQueryBuilder(Builder $builder): Builder
+    {
+        return $builder->whereNot($this->argument->field, $this->formatValue());
+    }
+
+    public function toOrQueryBuilder(Builder $builder): Builder
+    {
+        return $builder->orWhereNot($this->argument->field, $this->formatValue());
+    }
+
+    private function formatValue(): int|float
+    {
+        $value = trim($this->argument->value);
+        return str_contains($value, ".") ? floatval($value) : intval($value);
+    }
+}
\ No newline at end of file
diff --git a/src/Query/BuilderConverter/NotEqualsTrue.php b/src/Query/BuilderConverter/NotEqualsTrue.php
new file mode 100644
index 0000000..f1618db
--- /dev/null
+++ b/src/Query/BuilderConverter/NotEqualsTrue.php
@@ -0,0 +1,25 @@
+<?php
+
+namespace Lucent\Query\BuilderConverter;
+
+use Illuminate\Database\Query\Builder;
+use Lucent\Query\Filter\Argument;
+
+readonly class NotEqualsTrue implements IBuilderConverter
+{
+
+    public function __construct(private Argument $argument)
+    {
+    }
+
+    public function toAndQueryBuilder(Builder $builder): Builder
+    {
+        return $builder->whereNot($this->argument->field, true);
+    }
+
+    public function toOrQueryBuilder(Builder $builder): Builder
+    {
+        return $builder->orWhereNot($this->argument->field, true);
+    }
+
+}
\ No newline at end of file
diff --git a/src/Query/BuilderConverter/NotExists.php b/src/Query/BuilderConverter/NotExists.php
new file mode 100644
index 0000000..54159a7
--- /dev/null
+++ b/src/Query/BuilderConverter/NotExists.php
@@ -0,0 +1,25 @@
+<?php
+
+namespace Lucent\Query\BuilderConverter;
+
+use Illuminate\Database\Query\Builder;
+use Lucent\Query\Filter\Argument;
+
+readonly class NotExists implements IBuilderConverter
+{
+
+    public function __construct(private Argument $argument)
+    {
+    }
+
+    public function toAndQueryBuilder(Builder $builder): Builder
+    {
+        return $builder->where(fn($b) => $b->where($this->argument->field, "")->orWhereNull($this->argument->field));
+    }
+
+    public function toOrQueryBuilder(Builder $builder): Builder
+    {
+        return $builder->orWhere(fn($b) => $b->where($this->argument->field, "")->orWhereNull($this->argument->field));
+    }
+
+}
\ No newline at end of file
diff --git a/src/Query/BuilderConverter/NotIn.php b/src/Query/BuilderConverter/NotIn.php
new file mode 100644
index 0000000..825bca3
--- /dev/null
+++ b/src/Query/BuilderConverter/NotIn.php
@@ -0,0 +1,33 @@
+<?php
+
+namespace Lucent\Query\BuilderConverter;
+
+use Illuminate\Database\Query\Builder;
+use Lucent\Query\Filter\Argument;
+
+readonly class NotIn implements IBuilderConverter
+{
+
+    public function __construct(private Argument $argument)
+    {
+    }
+
+    public function toAndQueryBuilder(Builder $builder): Builder
+    {
+        return $builder->whereNotIn($this->argument->field, $this->formatValue());
+    }
+
+    public function toOrQueryBuilder(Builder $builder): Builder
+    {
+        return $builder->orWhereNotIn($this->argument->field, $this->formatValue());
+    }
+
+    private function formatValue(): array
+    {
+        $value = $this->argument->value;
+        if (is_string($value)) {
+            $value = explode(",", $value);
+        }
+        return array_map(fn($v) => trim($v), $value);
+    }
+}
\ No newline at end of file
diff --git a/src/Query/BuilderConverter/NotInNum.php b/src/Query/BuilderConverter/NotInNum.php
new file mode 100644
index 0000000..597a90b
--- /dev/null
+++ b/src/Query/BuilderConverter/NotInNum.php
@@ -0,0 +1,39 @@
+<?php
+
+namespace Lucent\Query\BuilderConverter;
+
+use Illuminate\Database\Query\Builder;
+use Lucent\Query\Filter\Argument;
+
+readonly class NotInNum implements IBuilderConverter
+{
+
+    public function __construct(private Argument $argument)
+    {
+    }
+
+    public function toAndQueryBuilder(Builder $builder): Builder
+    {
+        return $builder->whereNotIn($this->argument->field, $this->formatValue());
+    }
+
+    public function toOrQueryBuilder(Builder $builder): Builder
+    {
+        return $builder->orWhereNotIn($this->argument->field, $this->formatValue());
+    }
+
+    private function formatValue(): array
+    {
+        $value = $this->argument->value;
+        if (is_string($value)) {
+            $value = explode(",", $value);
+        }
+        return array_map(fn($v) => $this->formatNumber($v), $value);
+    }
+
+    private function formatNumber(string $value): float|int
+    {
+        $value = trim($value);
+        return str_contains($value, ".") ? floatval($value) : intval($value);
+    }
+}
\ No newline at end of file
diff --git a/src/Query/BuilderConverter/NotNull.php b/src/Query/BuilderConverter/NotNull.php
new file mode 100644
index 0000000..ca36879
--- /dev/null
+++ b/src/Query/BuilderConverter/NotNull.php
@@ -0,0 +1,25 @@
+<?php
+
+namespace Lucent\Query\BuilderConverter;
+
+use Illuminate\Database\Query\Builder;
+use Lucent\Query\Filter\Argument;
+
+readonly class NotNull implements IBuilderConverter
+{
+
+    public function __construct(private Argument $argument)
+    {
+    }
+
+    public function toAndQueryBuilder(Builder $builder): Builder
+    {
+        return $builder->whereNotNull($this->argument->field);
+    }
+
+    public function toOrQueryBuilder(Builder $builder): Builder
+    {
+        return $builder->orWhereNotNull($this->argument->field);
+    }
+
+}
\ No newline at end of file
diff --git a/src/Query/BuilderConverter/Regex.php b/src/Query/BuilderConverter/Regex.php
new file mode 100644
index 0000000..b20b6be
--- /dev/null
+++ b/src/Query/BuilderConverter/Regex.php
@@ -0,0 +1,30 @@
+<?php
+
+namespace Lucent\Query\BuilderConverter;
+
+use Illuminate\Database\Query\Builder;
+use Lucent\Query\Filter\Argument;
+
+readonly class Regex implements IBuilderConverter
+{
+
+    public function __construct(private Argument $argument)
+    {
+    }
+
+    public function toAndQueryBuilder(Builder $builder): Builder
+    {
+
+        return $builder->where($this->argument->field, "like", $this->formatValue());
+    }
+
+    public function toOrQueryBuilder(Builder $builder): Builder
+    {
+        return $builder->orWhere($this->argument->field, "like", $this->formatValue());
+    }
+
+    private function formatValue(): string
+    {
+        return "%" . strtolower(trim($this->argument->value)) . "%";
+    }
+}
\ No newline at end of file
diff --git a/src/Query/Filter/Argument.php b/src/Query/Filter/Argument.php
index aa8d844..337e6c4 100644
--- a/src/Query/Filter/Argument.php
+++ b/src/Query/Filter/Argument.php
@@ -2,11 +2,15 @@
 
 namespace Lucent\Query\Filter;
 
+use Lucent\Query\Operator\Operator;
+
 class Argument
 {
     public function __construct(
-        public string $field,
-        public string $operator,
-        public mixed $value,
-    ){}
+        public string   $field,
+        public Operator $operator,
+        public mixed    $value,
+    )
+    {
+    }
 }
\ No newline at end of file
diff --git a/src/Query/FilterParser.php b/src/Query/FilterParser.php
index cbcaa41..77aac36 100644
--- a/src/Query/FilterParser.php
+++ b/src/Query/FilterParser.php
@@ -5,19 +5,26 @@ namespace Lucent\Query;
 use Illuminate\Contracts\Foundation\Application;
 use Illuminate\Database\Query\Builder;
 use Illuminate\Support\Facades\DB;
+use Lucent\Query\BuilderConverter\BuilderConverter;
 use Lucent\Query\Filter\AndFilter;
 use Lucent\Query\Filter\Argument;
 use Lucent\Query\Filter\Filter;
 use Lucent\Query\Filter\OrFilter;
+use Lucent\Query\Operator\In;
+use Lucent\Query\Operator\OperatorDetector;
+use function explode;
 
 final class FilterParser
 {
 
-    public function __construct(public Application $app)
+    public function __construct(
+        public Application      $app,
+        public BuilderConverter $builderConverter,
+        public OperatorDetector $operatorDetector,
+    )
     {
     }
 
-
     /**
      * @param array $arguments
      * @return array<Argument>
@@ -25,105 +32,11 @@ final class FilterParser
     private function formatArguments(array $arguments): array
     {
         return collect($arguments)->reduce(function ($c, $v, $k) {
-            $c[] = $this->formatArgument($v, $k);
+            $c[] = $this->operatorDetector->detect($v, $k);
             return $c;
         }, []);
     }
 
-    private function formatArgument(mixed $value, string $filter): Argument
-    {
-
-        $operator = $this->detectOperator($filter);
-
-        $field = $this->detectField($filter, $operator);
-        $formattedValue = match ($operator) {
-            "eq" => $this->formatText($value),
-            "ne" => $this->formatText($value),
-            "eqnum" => $this->formatNumber($value),
-            "nenum" => $this->formatNumber($value),
-            "object" => $this->formatText($value),
-            "in" => $this->formatListString($value),
-            "nin" => $this->formatListString($value),
-            "innum" => $this->formatListNum($value),
-            "ninnum" => $this->formatListNum($value),
-            "eqtrue" => true,
-            "eqfalse" => false,
-            "netrue" => true,
-            "nefalse" => false,
-            "regex" => "%" . strtolower($value) . "%",
-            "gt" => is_numeric($value) ? floatval($value) : $value,
-            "gte" => is_numeric($value) ? floatval($value) : $value,
-            "lt" => is_numeric($value) ? floatval($value) : $value,
-            "lte" => is_numeric($value) ? floatval($value) : $value,
-            "null" => null,
-            "nnull" => null,
-            "exists" => true,
-            "nexists" => false,
-            default => $value,
-        };
-
-        $matchedOperator = Operator::list()[$operator];
-        return new Argument(
-            field: str_replace(".", "->", $field),
-            operator: $matchedOperator->db,
-            value: $formattedValue
-        );
-    }
-
-    private function formatText(string $value): string
-    {
-        return trim($value);
-    }
-
-    private function formatNumber(string $value): float
-    {
-        return floatval($value);
-    }
-
-
-    private function formatListString(mixed $value): array
-    {
-        if (is_string($value)) {
-            $value = explode(",", $value);
-        }
-
-        return array_map(fn($v) => $this->formatText($v), $value);
-    }
-
-    private function formatListNum(mixed $value): array
-    {
-        if (\is_string($value)) {
-            $value = explode(",", $value);
-        }
-
-        return \array_map(fn($v) => $this->formatNumber($v), $value);
-    }
-
-
-    private function detectOperator(string $filter): string
-    {
-        $exploded = \explode("_", $filter);
-        $candidate = end($exploded);
-        $operatorsListNames = collect(Operator::list())->map(fn($o) => $o->name)->toArray();
-
-        if (\in_array($candidate, $operatorsListNames)) {
-            return $candidate;
-        }
-        return 'eq';
-    }
-
-    private function detectField(string $filter, string $operator): string
-    {
-
-        $exploded = explode("_", $filter);
-        $candidate = array_pop($exploded);
-        if ($candidate === $operator) {
-            return implode("_", $exploded);
-        }
-        return $filter;
-    }
-
-
     private function formatReferences(array $referenceArguments): Argument
     {
         $subqueries = collect($referenceArguments)->reduce(function ($c, $v, $k) {
@@ -151,7 +64,7 @@ final class FilterParser
 
         return new Argument(
             field: "id",
-            operator: "in",
+            operator: In::make(),
             value: $sourceIds
         );
 
@@ -174,7 +87,6 @@ final class FilterParser
     private function parseArguments(Filter $arguments): array
     {
         [$normalArguments, $referenceArguments] = $this->separateMainFromReferenceArguments($arguments);
-
         $formattedArguments = $this->formatArguments($normalArguments);
         if (!empty($referenceArguments)) {
             $formattedArguments[] = $this->formatReferences($referenceArguments);
@@ -198,26 +110,8 @@ final class FilterParser
      */
     private function parseAnd(Builder $builder, array $arguments): Builder
     {
-        foreach ($arguments as $argument) {
-            if ($argument->operator == "in") {
-                $builder->whereIn($argument->field, $argument->value);
-            } else if ($argument->operator == "nin") {
-                $builder->whereNotIn($argument->field, $argument->value);
-            } else if ($argument->operator == "exists") {
-                $builder->where($argument->field, "!=", "");
-                $builder->where($argument->field, "!=", null);
-            } elseif ($argument->operator == "filter") {
-                $builder->whereJsonContains($argument->field, [$argument->value]);
-                // target result
-                // filter[data.previousNames_object]=previousNames&filter[previousNames.name_eq]=alpha&filter[previousNames.id_eqnum]=24
-                // $query->whereJsonContains("data->previousNames", [["name" => "alpha", "id" => 24]]);
-                // $query->whereJsonContains($filter["field"], [$objectFilters]);
-            } else {
-                $builder->where($argument->field, $argument->operator, $argument->value);
-            }
-        }
-
-        return $builder;
+        return collect($arguments)
+            ->reduce(fn($cBuilder, Argument $arg) => $this->builderConverter->for($arg)->toAndQueryBuilder($cBuilder), $builder);
     }
 
     /**
@@ -225,27 +119,10 @@ final class FilterParser
      */
     private function parseOr(Builder $builder, array $arguments): Builder
     {
-        $builder->where(function (Builder $orBuilder) use ($arguments) {
-            foreach ($arguments as $argument) {
-                if ($argument->operator == "in") {
-                    $orBuilder->orWhereIn($argument->field, $argument->value);
-                } else if ($argument->operator == "nin") {
-                    $orBuilder->orWhereNotIn($argument->field, $argument->value);
-                } else if ($argument->operator == "exists") {
-                    $orBuilder->where($argument->field, "!=", "");
-                    $orBuilder->where($argument->field, "!=", null);
-                } elseif ($argument->operator == "filter") {
-                    $orBuilder->whereJsonContains($argument->field, [$argument->value]);
-                    // target result
-                    // filter[data.previousNames_object]=previousNames&filter[previousNames.name_eq]=alpha&filter[previousNames.id_eqnum]=24
-                    // $query->whereJsonContains("data->previousNames", [["name" => "alpha", "id" => 24]]);
-                    // $query->whereJsonContains($filter["field"], [$objectFilters]);
-                } else {
-                    $orBuilder->orWhere($argument->field, $argument->operator, $argument->value);
-                }
-            }
+        return $builder->where(function (Builder $orBuilder) use ($arguments) {
+            return collect($arguments)
+                ->reduce(fn($cBuilder, Argument $arg) => $this->builderConverter->for($arg)->toOrQueryBuilder($cBuilder), $orBuilder);
         });
-        return $builder;
     }
 
 
diff --git a/src/Query/Operator.php b/src/Query/Operator.php
deleted file mode 100644
index ddf94f0..0000000
--- a/src/Query/Operator.php
+++ /dev/null
@@ -1,186 +0,0 @@
-<?php
-
-namespace Lucent\Query;
-
-
-final class Operator
-{
-    /**
-     * @psalm-param string[] $uis
-     */
-    public function __construct(
-        public string $name,
-        public string $label,
-        public string $symbol,
-        public string $db,
-        public array  $uis,
-    )
-    {
-    }
-
-    /**
-     * @return  array<string, Operator>
-     */
-    public static function list(): array
-    {
-
-        return [
-            "regex" => new Operator(
-                name: "regex",
-                label: "Search",
-                symbol: "~",
-                db: 'like',
-                uis: ["id", "text", "textarea", "url", "color", "date", "datetime"],
-            ),
-            "eq" => new Operator(
-                name: "eq",
-                label: "Equals",
-                symbol: "is",
-                db: '=',
-                uis: ["id", "text", "textarea", "url", "color", "date", "datetime", "reference"],
-            ),
-            "ne" => new Operator(
-                name: "ne",
-                label: "Not Equals",
-                symbol: "is not",
-                db: '!=',
-                uis: ["id", "text", "textarea", "url", "color", "date", "datetime"],
-            ),
-            "eqnum" => new Operator(
-                name: "eqnum",
-                label: "Equals number",
-                symbol: "is",
-                db: '=',
-                uis: ["number"],
-            ),
-            "neqnum" => new Operator(
-                name: "nenum",
-                label: "Not Equals number",
-                symbol: "is not",
-                db: '$ne',
-                uis: ["number"],
-            ),
-            "filter" => new Operator(
-                name: "filter",
-                label: "Equals Object",
-                symbol: "is",
-                db: 'filter',
-                uis: [],
-            ),
-            "eqtrue" => new Operator(
-                name: "eqtrue",
-                label: "Equals true",
-                symbol: "is",
-                db: '=',
-                uis: ["checkbox"],
-            ),
-            "eqfalse" => new Operator(
-                name: "eqfalse",
-                label: "Equals false",
-                symbol: "is not",
-                db: '=',
-                uis: ["checkbox"],
-            ),
-            "netrue" => new Operator(
-                name: "netrue",
-                label: "Not equals true",
-                symbol: "!=",
-                db: '$ne',
-                uis: ["checkbox"],
-            ),
-            "nefalse" => new Operator(
-                name: "nefalse",
-                label: "Not equals false",
-                symbol: "!=",
-                db: '$ne',
-                uis: ["checkbox"],
-            ),
-            "in" => new Operator(
-                name: "in",
-                label: "In list",
-                symbol: "in",
-                db: 'in',
-                uis: ["id", "text", "textarea", "url", "color", "date", "datetime"],
-            ),
-            "innum" => new Operator(
-                name: "innum",
-                label: "In list of numbers",
-                symbol: "in",
-                db: '$in',
-                uis: ["number"],
-            ),
-            "nin" => new Operator(
-                name: "nin",
-                label: "Not in list",
-                symbol: "not in",
-                db: 'nin',
-                uis: ["id", "text", "textarea", "url", "color", "date", "datetime"],
-            ),
-            "ninnum" => new Operator(
-                name: "ninnum",
-                label: "Not In list of numbers",
-                symbol: "not in",
-                db: '$nin',
-                uis: ["number"],
-            ),
-            "lt" => new Operator(
-                name: "lt",
-                label: "Less than",
-                symbol: "<",
-                db: '<',
-                uis: ["number", "date", "datetime"],
-            ),
-            "lte" => new Operator(
-                name: "lte",
-                label: "Less than equals",
-                symbol: "<=",
-                db: '<=',
-                uis: ["number", "date", "datetime"],
-            ),
-            "gt" => new Operator(
-                name: "gt",
-                label: "Greater than",
-                symbol: ">",
-                db: '>',
-                uis: ["number", "date", "datetime"],
-            ),
-            "gte" => new Operator(
-                name: "gte",
-                label: "Greater than equals",
-                symbol: ">=",
-                db: '>=',
-                uis: ["number", "date", "datetime"],
-            ),
-            "null" => new Operator(
-                name: "null",
-                label: "Is null",
-                symbol: "=",
-                db: '$eq',
-                uis: ["*"],
-            ),
-            "nnull" => new Operator(
-                name: "nnull",
-                label: "Not null",
-                symbol: "!=",
-                db: '$ne',
-                uis: ["*"],
-            ),
-            "exists" => new Operator(
-                name: "exists",
-                label: "Exists",
-                symbol: "exists",
-                db: 'exists',
-                uis: ["*"],
-            ),
-            "nexists" => new Operator(
-                name: "nexists",
-                label: "Not exists",
-                symbol: "not exists",
-                db: '$exists',
-                uis: ["*"],
-            ),
-
-
-        ];
-    }
-}
diff --git a/src/Query/Operator/Equals.php b/src/Query/Operator/Equals.php
new file mode 100644
index 0000000..357f63b
--- /dev/null
+++ b/src/Query/Operator/Equals.php
@@ -0,0 +1,15 @@
+<?php
+
+namespace Lucent\Query\Operator;
+
+class Equals extends Operator
+{
+
+    public string $name = "eq";
+    public string $label = "Equals";
+    public string $symbol = "is";
+    public array $uis = ["id", "text", "textarea", "url", "color", "date", "datetime", "reference"];
+    public bool $hasValue = true;
+    public string $converter = \Lucent\Query\BuilderConverter\Equals::class;
+
+}
\ No newline at end of file
diff --git a/src/Query/Operator/EqualsFalse.php b/src/Query/Operator/EqualsFalse.php
new file mode 100644
index 0000000..ecddb1b
--- /dev/null
+++ b/src/Query/Operator/EqualsFalse.php
@@ -0,0 +1,15 @@
+<?php
+
+namespace Lucent\Query\Operator;
+
+class EqualsFalse extends Operator
+{
+
+    public string $name = "eqfalse";
+    public string $label = "Equals False";
+    public string $symbol = "is";
+    public array $uis = ["checkbox"];
+    public bool $hasValue = false;
+    public string $converter = \Lucent\Query\BuilderConverter\EqualsFalse::class;
+
+}
\ No newline at end of file
diff --git a/src/Query/Operator/EqualsNumber.php b/src/Query/Operator/EqualsNumber.php
new file mode 100644
index 0000000..cf8ce93
--- /dev/null
+++ b/src/Query/Operator/EqualsNumber.php
@@ -0,0 +1,15 @@
+<?php
+
+namespace Lucent\Query\Operator;
+
+class EqualsNumber extends Operator
+{
+
+    public string $name = "eqnum";
+    public string $label = "Equals Number";
+    public string $symbol = "is";
+    public array $uis = ["number"];
+    public bool $hasValue = true;
+    public string $converter = \Lucent\Query\BuilderConverter\EqualsNumber::class;
+
+}
\ No newline at end of file
diff --git a/src/Query/Operator/EqualsTrue.php b/src/Query/Operator/EqualsTrue.php
new file mode 100644
index 0000000..a2807d2
--- /dev/null
+++ b/src/Query/Operator/EqualsTrue.php
@@ -0,0 +1,15 @@
+<?php
+
+namespace Lucent\Query\Operator;
+
+class EqualsTrue extends Operator
+{
+
+    public string $name = "eqtrue";
+    public string $label = "Equals True";
+    public string $symbol = "is";
+    public array $uis = ["checkbox"];
+    public bool $hasValue = false;
+    public string $converter = \Lucent\Query\BuilderConverter\EqualsTrue::class;
+
+}
\ No newline at end of file
diff --git a/src/Query/Operator/Exists.php b/src/Query/Operator/Exists.php
new file mode 100644
index 0000000..b447d1c
--- /dev/null
+++ b/src/Query/Operator/Exists.php
@@ -0,0 +1,15 @@
+<?php
+
+namespace Lucent\Query\Operator;
+
+class Exists extends Operator
+{
+
+    public string $name = "exists";
+    public string $label = "Exists";
+    public string $symbol = "exists";
+    public array $uis = ["*"];
+    public bool $hasValue = true;
+    public string $converter = \Lucent\Query\BuilderConverter\Exists::class;
+
+}
\ No newline at end of file
diff --git a/src/Query/Operator/Filter.php b/src/Query/Operator/Filter.php
new file mode 100644
index 0000000..653a6c3
--- /dev/null
+++ b/src/Query/Operator/Filter.php
@@ -0,0 +1,14 @@
+<?php
+
+namespace Lucent\Query\Operator;
+
+class Filter extends Operator
+{
+    public string $name = "filter";
+    public string $label = "Equals Object";
+    public string $symbol = "is";
+    public array $uis = [];
+    public bool $hasValue = true;
+    public string $converter = \Lucent\Query\BuilderConverter\Filter::class;
+
+}
diff --git a/src/Query/Operator/GreaterThan.php b/src/Query/Operator/GreaterThan.php
new file mode 100644
index 0000000..deacf7d
--- /dev/null
+++ b/src/Query/Operator/GreaterThan.php
@@ -0,0 +1,15 @@
+<?php
+
+namespace Lucent\Query\Operator;
+
+class GreaterThan extends Operator
+{
+
+    public string $name = "gt";
+    public string $label = "Greater than";
+    public string $symbol = ">";
+    public array $uis = ["number", "date", "datetime"];
+    public bool $hasValue = true;
+    public string $converter = \Lucent\Query\BuilderConverter\GreaterThan::class;
+
+}
\ No newline at end of file
diff --git a/src/Query/Operator/GreaterThanEquals.php b/src/Query/Operator/GreaterThanEquals.php
new file mode 100644
index 0000000..6e99612
--- /dev/null
+++ b/src/Query/Operator/GreaterThanEquals.php
@@ -0,0 +1,15 @@
+<?php
+
+namespace Lucent\Query\Operator;
+
+class GreaterThanEquals extends Operator
+{
+
+    public string $name = "gte";
+    public string $label = "Greater than equals";
+    public string $symbol = ">";
+    public array $uis = ["number", "date", "datetime"];
+    public bool $hasValue = true;
+    public string $converter = \Lucent\Query\BuilderConverter\GreaterThanEquals::class;
+
+}
\ No newline at end of file
diff --git a/src/Query/Operator/In.php b/src/Query/Operator/In.php
new file mode 100644
index 0000000..be778a2
--- /dev/null
+++ b/src/Query/Operator/In.php
@@ -0,0 +1,14 @@
+<?php
+
+namespace Lucent\Query\Operator;
+
+class In extends Operator
+{
+    public string $name = "in";
+    public string $label = "In list";
+    public string $symbol = "in";
+    public array $uis = ["id", "text", "textarea", "url", "color", "date", "datetime"];
+    public bool $hasValue = true;
+    public string $converter = \Lucent\Query\BuilderConverter\In::class;
+
+}
diff --git a/src/Query/Operator/InNum.php b/src/Query/Operator/InNum.php
new file mode 100644
index 0000000..8430cc5
--- /dev/null
+++ b/src/Query/Operator/InNum.php
@@ -0,0 +1,14 @@
+<?php
+
+namespace Lucent\Query\Operator;
+
+class InNum extends Operator
+{
+    public string $name = "innum";
+    public string $label = "In number list";
+    public string $symbol = "in";
+    public array $uis = ["number"];
+    public bool $hasValue = true;
+    public string $converter = \Lucent\Query\BuilderConverter\NotInNum::class;
+
+}
diff --git a/src/Query/Operator/IsNull.php b/src/Query/Operator/IsNull.php
new file mode 100644
index 0000000..a6569c2
--- /dev/null
+++ b/src/Query/Operator/IsNull.php
@@ -0,0 +1,15 @@
+<?php
+
+namespace Lucent\Query\Operator;
+
+class IsNull extends Operator
+{
+
+    public string $name = "null";
+    public string $label = "Is Null";
+    public string $symbol = "is null";
+    public array $uis = ["*"];
+    public bool $hasValue = false;
+    public string $converter = \Lucent\Query\BuilderConverter\IsNull::class;
+
+}
\ No newline at end of file
diff --git a/src/Query/Operator/LessThan.php b/src/Query/Operator/LessThan.php
new file mode 100644
index 0000000..79e1d0e
--- /dev/null
+++ b/src/Query/Operator/LessThan.php
@@ -0,0 +1,15 @@
+<?php
+
+namespace Lucent\Query\Operator;
+
+class LessThan extends Operator
+{
+
+    public string $name = "lt";
+    public string $label = "Less than";
+    public string $symbol = ">";
+    public array $uis = ["number", "date", "datetime"];
+    public bool $hasValue = true;
+    public string $converter = \Lucent\Query\BuilderConverter\LessThan::class;
+
+}
\ No newline at end of file
diff --git a/src/Query/Operator/LessThanEquals.php b/src/Query/Operator/LessThanEquals.php
new file mode 100644
index 0000000..35c72b0
--- /dev/null
+++ b/src/Query/Operator/LessThanEquals.php
@@ -0,0 +1,15 @@
+<?php
+
+namespace Lucent\Query\Operator;
+
+class LessThanEquals extends Operator
+{
+
+    public string $name = "lte";
+    public string $label = "Less than equals";
+    public string $symbol = ">";
+    public array $uis = ["number", "date", "datetime"];
+    public bool $hasValue = true;
+    public string $converter = \Lucent\Query\BuilderConverter\LessThanEquals::class;
+
+}
\ No newline at end of file
diff --git a/src/Query/Operator/NotEquals.php b/src/Query/Operator/NotEquals.php
new file mode 100644
index 0000000..b04e306
--- /dev/null
+++ b/src/Query/Operator/NotEquals.php
@@ -0,0 +1,14 @@
+<?php
+
+namespace Lucent\Query\Operator;
+
+class NotEquals extends Operator
+{
+
+    public string $name = "ne";
+    public string $label = "Not Equals";
+    public string $symbol = "is not";
+    public array $uis = ["id", "text", "textarea", "url", "color", "date", "datetime", "reference"];
+    public bool $hasValue = true;
+    public string $converter = \Lucent\Query\BuilderConverter\NotEquals::class;
+}
\ No newline at end of file
diff --git a/src/Query/Operator/NotEqualsFalse.php b/src/Query/Operator/NotEqualsFalse.php
new file mode 100644
index 0000000..b0b9390
--- /dev/null
+++ b/src/Query/Operator/NotEqualsFalse.php
@@ -0,0 +1,15 @@
+<?php
+
+namespace Lucent\Query\Operator;
+
+class NotEqualsFalse extends Operator
+{
+
+    public string $name = "nefalse";
+    public string $label = "Not Equals False";
+    public string $symbol = "is";
+    public array $uis = ["checkbox"];
+    public bool $hasValue = false;
+    public string $converter = \Lucent\Query\BuilderConverter\NotEqualsFalse::class;
+
+}
\ No newline at end of file
diff --git a/src/Query/Operator/NotEqualsNumber.php b/src/Query/Operator/NotEqualsNumber.php
new file mode 100644
index 0000000..db4efea
--- /dev/null
+++ b/src/Query/Operator/NotEqualsNumber.php
@@ -0,0 +1,15 @@
+<?php
+
+namespace Lucent\Query\Operator;
+
+class NotEqualsNumber extends Operator
+{
+
+    public string $name = "neqnum";
+    public string $label = "Not Equals Number";
+    public string $symbol = "is";
+    public array $uis = ["number"];
+    public bool $hasValue = true;
+    public string $converter = \Lucent\Query\BuilderConverter\NotEqualsNumber::class;
+
+}
\ No newline at end of file
diff --git a/src/Query/Operator/NotEqualsTrue.php b/src/Query/Operator/NotEqualsTrue.php
new file mode 100644
index 0000000..240fd9e
--- /dev/null
+++ b/src/Query/Operator/NotEqualsTrue.php
@@ -0,0 +1,15 @@
+<?php
+
+namespace Lucent\Query\Operator;
+
+class NotEqualsTrue extends Operator
+{
+
+    public string $name = "netrue";
+    public string $label = "Not Equals True";
+    public string $symbol = "is";
+    public array $uis = ["checkbox"];
+    public bool $hasValue = false;
+    public string $converter = \Lucent\Query\BuilderConverter\NotEqualsTrue::class;
+
+}
\ No newline at end of file
diff --git a/src/Query/Operator/NotExists.php b/src/Query/Operator/NotExists.php
new file mode 100644
index 0000000..53f77e8
--- /dev/null
+++ b/src/Query/Operator/NotExists.php
@@ -0,0 +1,15 @@
+<?php
+
+namespace Lucent\Query\Operator;
+
+class NotExists extends Operator
+{
+
+    public string $name = "nexists";
+    public string $label = "Not Exists";
+    public string $symbol = "not exists";
+    public array $uis = ["*"];
+    public bool $hasValue = true;
+    public string $converter = \Lucent\Query\BuilderConverter\NotExists::class;
+
+}
\ No newline at end of file
diff --git a/src/Query/Operator/NotIn.php b/src/Query/Operator/NotIn.php
new file mode 100644
index 0000000..d3762a8
--- /dev/null
+++ b/src/Query/Operator/NotIn.php
@@ -0,0 +1,14 @@
+<?php
+
+namespace Lucent\Query\Operator;
+
+class NotIn extends Operator
+{
+    public string $name = "nin";
+    public string $label = "Not in list";
+    public string $symbol = "in";
+    public array $uis = ["id", "text", "textarea", "url", "color", "date", "datetime"];
+    public bool $hasValue = true;
+    public string $converter = \Lucent\Query\BuilderConverter\NotIn::class;
+
+}
diff --git a/src/Query/Operator/NotInNum.php b/src/Query/Operator/NotInNum.php
new file mode 100644
index 0000000..c1084b5
--- /dev/null
+++ b/src/Query/Operator/NotInNum.php
@@ -0,0 +1,14 @@
+<?php
+
+namespace Lucent\Query\Operator;
+
+class NotInNum extends Operator
+{
+    public string $name = "ninnum";
+    public string $label = "Not in number list";
+    public string $symbol = "not in";
+    public array $uis = ["number"];
+    public bool $hasValue = true;
+    public string $converter = \Lucent\Query\BuilderConverter\InNum::class;
+
+}
diff --git a/src/Query/Operator/NotNull.php b/src/Query/Operator/NotNull.php
new file mode 100644
index 0000000..e1e509e
--- /dev/null
+++ b/src/Query/Operator/NotNull.php
@@ -0,0 +1,15 @@
+<?php
+
+namespace Lucent\Query\Operator;
+
+class NotNull extends Operator
+{
+
+    public string $name = "nnull";
+    public string $label = "Is not Null";
+    public string $symbol = "is not null";
+    public array $uis = ["*"];
+    public bool $hasValue = false;
+    public string $converter = \Lucent\Query\BuilderConverter\NotNull::class;
+
+}
\ No newline at end of file
diff --git a/src/Query/Operator/Operator.php b/src/Query/Operator/Operator.php
new file mode 100644
index 0000000..a338ad8
--- /dev/null
+++ b/src/Query/Operator/Operator.php
@@ -0,0 +1,23 @@
+<?php
+
+namespace Lucent\Query\Operator;
+
+
+abstract class Operator
+{
+    public string $name;
+    public string $label;
+    public string $symbol;
+    public array $uis;
+    public bool $hasValue;
+    /**
+     * @var class-string
+     */
+    public string $converter;
+
+    public static function make(): Operator
+    {
+        return new static();
+    }
+
+}
\ No newline at end of file
diff --git a/src/Query/Operator/OperatorDetector.php b/src/Query/Operator/OperatorDetector.php
new file mode 100644
index 0000000..6b7d227
--- /dev/null
+++ b/src/Query/Operator/OperatorDetector.php
@@ -0,0 +1,42 @@
+<?php
+
+namespace Lucent\Query\Operator;
+
+use Lucent\Query\Filter\Argument;
+
+class OperatorDetector
+{
+    public function __construct(
+        public OperatorRegistry $operatorRegistry
+    )
+    {
+    }
+
+    public function detect(mixed $value, string $filter): Argument
+    {
+        $operator = $this->detectOperator($filter);
+        $field = $this->detectField($filter, $operator->name);
+        return new Argument(
+            field: str_replace(".", "->", $field),
+            operator: $operator,
+            value: $value
+        );
+    }
+
+    private function detectOperator(string $filter): Operator
+    {
+        $exploded = explode("_", $filter);
+        $candidate = end($exploded);
+        return $this->operatorRegistry->matchByName($candidate);
+    }
+
+    private function detectField(string $filter, string $operator): string
+    {
+        $exploded = explode("_", $filter);
+        $candidate = array_pop($exploded);
+        if ($candidate === $operator) {
+            return implode("_", $exploded);
+        }
+        return $filter;
+    }
+}
\ No newline at end of file
diff --git a/src/Query/Operator/OperatorRegistry.php b/src/Query/Operator/OperatorRegistry.php
new file mode 100644
index 0000000..2d4f648
--- /dev/null
+++ b/src/Query/Operator/OperatorRegistry.php
@@ -0,0 +1,49 @@
+<?php
+
+namespace Lucent\Query\Operator;
+
+
+final class OperatorRegistry
+{
+    /**
+     * @return list<Operator>
+     */
+    public function all(): array
+    {
+        return [
+            new Equals(),
+            new NotEquals(),
+            new EqualsNumber(),
+            new NotEqualsNumber(),
+            new EqualsTrue(),
+            new EqualsFalse(),
+            new NotEqualsFalse(),
+            new NotEqualsTrue(),
+            new Regex(),
+            new In(),
+            new NotIn(),
+            new InNum(),
+            new NotInNum(),
+            new GreaterThan(),
+            new GreaterThanEquals(),
+            new LessThan(),
+            new LessThanEquals(),
+            new IsNull(),
+            new NotNull(),
+            new Exists(),
+            new NotExists(),
+
+        ];
+    }
+
+    public function matchByName(string $name): Operator
+    {
+        $operator = collect($this->all())->where('name', $name)->first();
+        if (empty($operator)) {
+            return new Equals();
+        }
+        return $operator;
+    }
+
+
+}
diff --git a/src/Query/Operator/Regex.php b/src/Query/Operator/Regex.php
new file mode 100644
index 0000000..b791b46
--- /dev/null
+++ b/src/Query/Operator/Regex.php
@@ -0,0 +1,15 @@
+<?php
+
+namespace Lucent\Query\Operator;
+
+class Regex extends Operator
+{
+
+    public string $name = "regex";
+    public string $label = "Search";
+    public string $symbol = "~";
+    public array $uis = ["id", "text", "textarea", "url", "color", "date", "datetime"];
+    public bool $hasValue = true;
+    public string $converter = \Lucent\Query\BuilderConverter\Regex::class;
+
+}
diff --git a/src/Query/Query.php b/src/Query/Query.php
index 8b7734a..35f5dcb 100644
--- a/src/Query/Query.php
+++ b/src/Query/Query.php
@@ -161,7 +161,7 @@ final  class Query
 
     private function findNotLinked(Builder $query): Builder
     {
-        if(empty($this->options->notLinked)){
+        if (empty($this->options->notLinked)) {
             return $query;
         }
 
@@ -169,8 +169,7 @@ final  class Query
         $query
             ->select("records.*")
             ->join('edges', 'records.id', '=', 'edges.target', 'left outer')
-            ->whereNull("edges.target")
-        ;
+            ->whereNull("edges.target");
         return $query;
     }