diff --git a/backend/src/main/java/org/raddatz/familienarchiv/search/NlpClient.java b/backend/src/main/java/org/raddatz/familienarchiv/search/NlpClient.java
new file mode 100644
index 00000000..c7889c7e
--- /dev/null
+++ b/backend/src/main/java/org/raddatz/familienarchiv/search/NlpClient.java
@@ -0,0 +1,5 @@
+package org.raddatz.familienarchiv.search;
+
+public interface NlpClient {
+    NlpExtraction parse(String query, String lang);
+}
diff --git a/backend/src/main/java/org/raddatz/familienarchiv/search/NlpExtraction.java b/backend/src/main/java/org/raddatz/familienarchiv/search/NlpExtraction.java
new file mode 100644
index 00000000..73c36027
--- /dev/null
+++ b/backend/src/main/java/org/raddatz/familienarchiv/search/NlpExtraction.java
@@ -0,0 +1,14 @@
+package org.raddatz.familienarchiv.search;
+
+import java.time.LocalDate;
+import java.util.List;
+
+record NlpExtraction(
+        List<String> personNames,
+        String personRole,
+        LocalDate dateFrom,
+        LocalDate dateTo,
+        List<String> keywords,
+        String rawQuery
+) {
+}
diff --git a/backend/src/main/java/org/raddatz/familienarchiv/search/NlpHealthClient.java b/backend/src/main/java/org/raddatz/familienarchiv/search/NlpHealthClient.java
new file mode 100644
index 00000000..a02475c2
--- /dev/null
+++ b/backend/src/main/java/org/raddatz/familienarchiv/search/NlpHealthClient.java
@@ -0,0 +1,5 @@
+package org.raddatz.familienarchiv.search;
+
+public interface NlpHealthClient {
+    boolean isHealthy();
+}