diff --git a/open-sse/services/payloadRules.ts b/open-sse/services/payloadRules.ts
index 12bb32151d..ad9a6415ad 100644
--- a/open-sse/services/payloadRules.ts
+++ b/open-sse/services/payloadRules.ts
@@ -85,7 +85,7 @@ function clonePayloadRulesConfig(config: PayloadRulesConfig): PayloadRulesConfig
 
 function normalizeModelSpecs(value: unknown): PayloadRuleModelSpec[] {
   return toArray<JsonRecord>(value)
-    .map((item) => {
+    .map((item): PayloadRuleModelSpec | null => {
       const name = typeof item?.name === "string" ? item.name.trim() : "";
       const protocol = typeof item?.protocol === "string" ? item.protocol.trim() : "";
       if (!name) return null;
diff --git a/open-sse/services/specificityTypes.ts b/open-sse/services/specificityTypes.ts
index 84c3da59b0..c85c1dbe21 100644
--- a/open-sse/services/specificityTypes.ts
+++ b/open-sse/services/specificityTypes.ts
@@ -30,6 +30,7 @@ export interface RuleInput {
   messages: Array<{ role?: string; content?: string | unknown }>;
   systemPrompt?: string;
   tools?: Array<{
+    type?: string;
     function?: { name: string; description?: string; parameters?: unknown };
   }>;
   model?: string;