diff --git a/internal/types/entities/plugin_entities/constant.go b/internal/types/entities/plugin_entities/constant.go
index 6671986..9181e6a 100644
--- a/internal/types/entities/plugin_entities/constant.go
+++ b/internal/types/entities/plugin_entities/constant.go
@@ -7,6 +7,7 @@ const (
 	STRING         = "string"
 	NUMBER         = "number"
 	FILE           = "file"
+	FILES          = "files"
 	BOOLEAN        = "boolean"
 	APP_SELECTOR   = "app-selector"
 	MODEL_SELECTOR = "model-selector"
diff --git a/internal/types/entities/plugin_entities/tool_declaration.go b/internal/types/entities/plugin_entities/tool_declaration.go
index 513664e..e199666 100644
--- a/internal/types/entities/plugin_entities/tool_declaration.go
+++ b/internal/types/entities/plugin_entities/tool_declaration.go
@@ -35,6 +35,7 @@ const (
 	TOOL_PARAMETER_TYPE_SELECT         ToolParameterType = SELECT
 	TOOL_PARAMETER_TYPE_SECRET_INPUT   ToolParameterType = SECRET_INPUT
 	TOOL_PARAMETER_TYPE_FILE           ToolParameterType = FILE
+	TOOL_PARAMETER_TYPE_FILES          ToolParameterType = FILES
 	TOOL_PARAMETER_TYPE_APP_SELECTOR   ToolParameterType = APP_SELECTOR
 	TOOL_PARAMETER_TYPE_MODEL_SELECTOR ToolParameterType = MODEL_SELECTOR
 	// TOOL_PARAMETER_TYPE_TOOL_SELECTOR  ToolParameterType = TOOL_SELECTOR
@@ -49,6 +50,7 @@ func isToolParameterType(fl validator.FieldLevel) bool {
 		string(TOOL_PARAMETER_TYPE_SELECT),
 		string(TOOL_PARAMETER_TYPE_SECRET_INPUT),
 		string(TOOL_PARAMETER_TYPE_FILE),
+		string(TOOL_PARAMETER_TYPE_FILES),
 		// string(TOOL_PARAMETER_TYPE_TOOL_SELECTOR),
 		string(TOOL_PARAMETER_TYPE_APP_SELECTOR),
 		string(TOOL_PARAMETER_TYPE_MODEL_SELECTOR):