diff --git a/proto/agynio/api/llm/v1/llm.proto b/proto/agynio/api/llm/v1/llm.proto
index 5d57deb..3cdba13 100644
--- a/proto/agynio/api/llm/v1/llm.proto
+++ b/proto/agynio/api/llm/v1/llm.proto
@@ -24,6 +24,9 @@ service LLMService {
 
   // --- Resolution ---
   rpc ResolveModel(ResolveModelRequest) returns (ResolveModelResponse);
+
+  // --- Test ---
+  rpc TestModel(TestModelRequest) returns (TestModelResponse);
 }
 
 // ===========================================================================