diff --git a/modules/ModCredentialManager/src/main/kotlin/de/itkl/module/Credential.kt b/modules/ModCredentialManager/src/main/kotlin/de/itkl/module/Credential.kt
new file mode 100644
index 0000000..2baf2ca
--- /dev/null
+++ b/modules/ModCredentialManager/src/main/kotlin/de/itkl/module/Credential.kt
@@ -0,0 +1,7 @@
+package de.itkl.module
+
+sealed class Credential {
+    abstract val id: String
+}
+
+data class UsernameAndPassword(val username: String, val password: String, override val id: String) : Credential()
diff --git a/modules/ModCredentialManager/src/main/kotlin/de/itkl/module/CredentialManager.kt b/modules/ModCredentialManager/src/main/kotlin/de/itkl/module/CredentialManager.kt
new file mode 100644
index 0000000..230db64
--- /dev/null
+++ b/modules/ModCredentialManager/src/main/kotlin/de/itkl/module/CredentialManager.kt
@@ -0,0 +1,11 @@
+package de.itkl.module
+
+class CredentialManager {
+    fun find(id: String): Credential? {
+        TODO("Not yet implemented")
+    }
+
+    fun add(credential: Credential) {}
+
+    fun delete(id: String) {}
+}
diff --git a/modules/ModCredentialManager/src/main/kotlin/de/itkl/module/ModCredentialManager.kt b/modules/ModCredentialManager/src/main/kotlin/de/itkl/module/ModCredentialManager.kt
new file mode 100644
index 0000000..acaff92
--- /dev/null
+++ b/modules/ModCredentialManager/src/main/kotlin/de/itkl/module/ModCredentialManager.kt
@@ -0,0 +1,5 @@
+package de.itkl.module
+
+import org.koin.dsl.module
+
+val modCredentialManager = module { }