From bc4ee55ac2b11a34b555d70a831f08edf7601e63 Mon Sep 17 00:00:00 2001
From: Jack Thomson <j.thomson@equalsmoney.com>
Date: Thu, 31 Jul 2025 11:22:16 +0100
Subject: [PATCH] handle schemas with one type array

---
 package-lock.json           | 4 ++--
 src/parser/extract-tools.ts | 4 ++++
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/package-lock.json b/package-lock.json
index 3ea9773..d5a35d6 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "openapi-mcp-generator",
-  "version": "3.1.2",
+  "version": "3.1.4",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "openapi-mcp-generator",
-      "version": "3.1.2",
+      "version": "3.1.4",
       "license": "MIT",
       "dependencies": {
         "@apidevtools/swagger-parser": "^10.1.1",
diff --git a/src/parser/extract-tools.ts b/src/parser/extract-tools.ts
index f50232e..992f259 100644
--- a/src/parser/extract-tools.ts
+++ b/src/parser/extract-tools.ts
@@ -203,6 +203,10 @@ export function mapOpenApiSchemaToJsonSchema(
       } else if (!jsonSchema.type) {
         jsonSchema.type = 'null';
       }
+    } else {
+      if (Array.isArray(jsonSchema.type) && jsonSchema.type.length === 1) {
+        jsonSchema.type = jsonSchema.type[0];
+      }
     }
 
     // Recursively process object properties