From 26307f26add30cf6562d5fccc27f5d7ea0f54f17 Mon Sep 17 00:00:00 2001
From: Dennis Thompson <atomicpages@users.noreply.github.com>
Date: Sun, 17 Aug 2025 21:48:06 -0700
Subject: [PATCH] Update src/api.ts

Co-authored-by: coderabbitai[bot] <136622811+coderabbitai[bot]@users.noreply.github.com>
---
 src/api.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/api.ts b/src/api.ts
index 050ed86..d2a7d15 100644
--- a/src/api.ts
+++ b/src/api.ts
@@ -27,7 +27,7 @@ export interface GetToolsOptions {
 }
 
 function isOpenApiDocument(spec: string | OpenAPIV3.Document): spec is OpenAPIV3.Document {
-  return typeof spec === 'object' && 'openapi' in spec;
+  return typeof spec === 'object' && spec !== null && 'openapi' in spec;
 }
 
 /**