diff --git a/app/Actions/Automation/Trigger/DispatchPostTriggerAutomations.php b/app/Actions/Automation/Trigger/DispatchPostTriggerAutomations.php
index 9c86fb39..b36316a1 100644
--- a/app/Actions/Automation/Trigger/DispatchPostTriggerAutomations.php
+++ b/app/Actions/Automation/Trigger/DispatchPostTriggerAutomations.php
@@ -5,6 +5,7 @@
 namespace App\Actions\Automation\Trigger;
 
 use App\Actions\Automation\Run\AdvanceAutomationRun;
+use App\Enums\Automation\Node\Type as NodeType;
 use App\Enums\Automation\Run\Status as RunStatus;
 use App\Enums\Automation\Status as AutomationStatus;
 use App\Enums\Automation\Trigger\Type as TriggerType;
@@ -32,11 +33,13 @@ public function __invoke(Post $post, TriggerType $triggerType): void
         $automations = Automation::query()
             ->where('workspace_id', $post->workspace_id)
             ->where('status', AutomationStatus::Active)
+            ->where('trigger_type', $triggerType->value)
             ->get();
 
         foreach ($automations as $automation) {
-            $triggerNode = collect($automation->nodes ?? [])->firstWhere('type', 'trigger');
-            if (data_get($triggerNode, 'data.trigger_type') !== $triggerType->value) {
+            $triggerNode = collect($automation->nodes ?? [])->firstWhere('type', NodeType::Trigger->value);
+
+            if ($triggerNode === null) {
                 continue;
             }
 
diff --git a/app/Console/Commands/Automation/FireScheduleTriggers.php b/app/Console/Commands/Automation/FireScheduleTriggers.php
index 277b49e5..ce90cdde 100644
--- a/app/Console/Commands/Automation/FireScheduleTriggers.php
+++ b/app/Console/Commands/Automation/FireScheduleTriggers.php
@@ -6,6 +6,7 @@
 
 use App\Actions\Automation\Trigger\FireScheduleTrigger;
 use App\Enums\Automation\Status;
+use App\Enums\Automation\Trigger\Type as TriggerType;
 use App\Models\Automation;
 use Illuminate\Console\Attributes\Description;
 use Illuminate\Console\Attributes\Signature;
@@ -19,12 +20,9 @@ public function handle(FireScheduleTrigger $fire): int
     {
         Automation::query()
             ->where('status', Status::Active)
+            ->where('trigger_type', TriggerType::Schedule->value)
             ->chunkById(50, function ($automations) use ($fire) {
                 foreach ($automations as $automation) {
-                    $triggerNode = collect($automation->nodes ?? [])->firstWhere('type', 'trigger');
-                    if (($triggerNode['data']['trigger_type'] ?? null) !== 'schedule') {
-                        continue;
-                    }
                     $fire($automation);
                 }
             });
diff --git a/app/Models/Automation.php b/app/Models/Automation.php
index b81fd554..8189913b 100644
--- a/app/Models/Automation.php
+++ b/app/Models/Automation.php
@@ -4,6 +4,7 @@
 
 namespace App\Models;
 
+use App\Enums\Automation\Node\Type as NodeType;
 use App\Enums\Automation\Status;
 use Illuminate\Database\Eloquent\Concerns\HasUuids;
 use Illuminate\Database\Eloquent\Factories\HasFactory;
@@ -49,6 +50,7 @@ protected static function booted(): void
                 $automation->variables ?? [],
                 $automation->getOriginal('variables') ?? [],
             );
+            $automation->trigger_type = self::deriveTriggerType($automation->nodes ?? []);
         });
     }
 
@@ -100,6 +102,20 @@ public function runs(): HasMany
      * never received the real value) so we keep the existing ciphertext. Plain
      * text values get encrypted; already-encrypted strings pass through.
      *
+     * Denormalize the trigger node's type into an indexed column so the
+     * scheduler can filter by it in SQL instead of decoding every automation's
+     * `nodes` JSON each minute. Recomputed on every save so it cannot drift.
+     *
+     * @param  array<int, array<string, mixed>>  $nodes
+     */
+    private static function deriveTriggerType(array $nodes): ?string
+    {
+        $triggerNode = collect($nodes)->firstWhere('type', NodeType::Trigger->value);
+
+        return data_get($triggerNode, 'data.trigger_type');
+    }
+
+    /**
      * @param  array<int, array<string, mixed>>  $incoming
      * @param  array<int, array<string, mixed>>|string  $original
      * @return array<int, array<string, mixed>>
diff --git a/database/migrations/2026_05_22_211640_create_automations_table.php b/database/migrations/2026_05_22_211640_create_automations_table.php
index 23f5d423..c7de2ea6 100644
--- a/database/migrations/2026_05_22_211640_create_automations_table.php
+++ b/database/migrations/2026_05_22_211640_create_automations_table.php
@@ -19,6 +19,7 @@ public function up(): void
             $table->foreignUuid('user_id')->nullable()->constrained('users')->nullOnDelete();
             $table->string('name');
             $table->string('status')->default('draft');
+            $table->string('trigger_type')->nullable();
             $table->json('nodes')->nullable();
             $table->json('connections')->nullable();
             $table->timestamp('activated_at')->nullable();
@@ -26,6 +27,7 @@ public function up(): void
             $table->timestamps();
 
             $table->index(['workspace_id', 'status']);
+            $table->index(['status', 'trigger_type']);
         });
     }
 
diff --git a/tests/Feature/Automation/AutomationModelTest.php b/tests/Feature/Automation/AutomationModelTest.php
index 437c1af1..4a83c620 100644
--- a/tests/Feature/Automation/AutomationModelTest.php
+++ b/tests/Feature/Automation/AutomationModelTest.php
@@ -17,6 +17,27 @@
     expect($automation->nodes[0]['type'])->toBe('trigger');
 });
 
+it('derives the trigger_type column from the trigger node on save', function () {
+    $automation = Automation::factory()->withScheduleTrigger()->create();
+
+    expect($automation->trigger_type)->toBe('schedule');
+
+    $automation->update([
+        'nodes' => [
+            ['id' => 'trigger_1', 'type' => 'trigger', 'position' => ['x' => 0, 'y' => 0],
+                'data' => ['trigger_type' => 'post_published']],
+        ],
+    ]);
+
+    expect($automation->fresh()->trigger_type)->toBe('post_published');
+});
+
+it('nulls the trigger_type column when there is no trigger node', function () {
+    $automation = Automation::factory()->create(['nodes' => []]);
+
+    expect($automation->trigger_type)->toBeNull();
+});
+
 it('relates trigger items, runs and node runs', function () {
     $automation = Automation::factory()->create();
     $item = AutomationTriggerItem::factory()->for($automation)->create();
diff --git a/tests/Feature/Automation/Command/FireScheduleTriggersTest.php b/tests/Feature/Automation/Command/FireScheduleTriggersTest.php
index 7ce79e30..50dcf3f1 100644
--- a/tests/Feature/Automation/Command/FireScheduleTriggersTest.php
+++ b/tests/Feature/Automation/Command/FireScheduleTriggersTest.php
@@ -17,3 +17,14 @@
     expect(AutomationTriggerItem::where('automation_id', $scheduleAutomation->id)->count())->toBe(1);
     expect(AutomationTriggerItem::where('automation_id', $rssAutomation->id)->count())->toBe(0);
 });
+
+it('ignores automations whose trigger is not a schedule', function () {
+    $postAutomation = Automation::factory()->active()->create([
+        'nodes' => [['id' => 't', 'type' => 'trigger', 'position' => ['x' => 0, 'y' => 0],
+            'data' => ['trigger_type' => 'post_published']]],
+    ]);
+
+    $this->artisan('automation:fire-schedule')->assertSuccessful();
+
+    expect(AutomationTriggerItem::where('automation_id', $postAutomation->id)->count())->toBe(0);
+});