diff --git a/src/Entity/BookStackConfiguration.php b/src/Entity/BookStackConfiguration.php
new file mode 100644
index 0000000..48300fe
--- /dev/null
+++ b/src/Entity/BookStackConfiguration.php
@@ -0,0 +1,72 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Entity;
+
+use App\Repository\BookStackConfigurationRepository;
+use Doctrine\ORM\Mapping as ORM;
+
+#[ORM\Entity(repositoryClass: BookStackConfigurationRepository::class)]
+class BookStackConfiguration
+{
+    #[ORM\Id]
+    #[ORM\GeneratedValue]
+    #[ORM\Column]
+    private ?int $id = null;
+
+    #[ORM\Column(length: 255, nullable: true)]
+    private ?string $url = null;
+
+    #[ORM\Column(type: 'text', nullable: true)]
+    private ?string $encryptedTokenId = null;
+
+    #[ORM\Column(type: 'text', nullable: true)]
+    private ?string $encryptedTokenSecret = null;
+
+    public function getId(): ?int
+    {
+        return $this->id;
+    }
+
+    public function getUrl(): ?string
+    {
+        return $this->url;
+    }
+
+    public function setUrl(?string $url): static
+    {
+        $this->url = $url;
+
+        return $this;
+    }
+
+    public function getEncryptedTokenId(): ?string
+    {
+        return $this->encryptedTokenId;
+    }
+
+    public function setEncryptedTokenId(?string $encryptedTokenId): static
+    {
+        $this->encryptedTokenId = $encryptedTokenId;
+
+        return $this;
+    }
+
+    public function getEncryptedTokenSecret(): ?string
+    {
+        return $this->encryptedTokenSecret;
+    }
+
+    public function setEncryptedTokenSecret(?string $encryptedTokenSecret): static
+    {
+        $this->encryptedTokenSecret = $encryptedTokenSecret;
+
+        return $this;
+    }
+
+    public function hasToken(): bool
+    {
+        return null !== $this->encryptedTokenId && null !== $this->encryptedTokenSecret;
+    }
+}
diff --git a/src/Repository/BookStackConfigurationRepository.php b/src/Repository/BookStackConfigurationRepository.php
new file mode 100644
index 0000000..648321d
--- /dev/null
+++ b/src/Repository/BookStackConfigurationRepository.php
@@ -0,0 +1,22 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Repository;
+
+use App\Entity\BookStackConfiguration;
+use Doctrine\Bundle\DoctrineBundle\Repository\ServiceEntityRepository;
+use Doctrine\Persistence\ManagerRegistry;
+
+class BookStackConfigurationRepository extends ServiceEntityRepository
+{
+    public function __construct(ManagerRegistry $registry)
+    {
+        parent::__construct($registry, BookStackConfiguration::class);
+    }
+
+    public function findSingleton(): ?BookStackConfiguration
+    {
+        return $this->findOneBy([]);
+    }
+}