fix: Icon sizes type from string to string[]

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Co-Authored-By: Claude <[email protected]>

Author: grimmerk

src/examples/server/simpleStreamableHttp.ts

@@ -22,7 +22,7 @@ const getServer = () => {
   const server = new McpServer({
     name: 'simple-streamable-http-server',
     version: '1.0.0',
-    icons: [{src: './mcp.svg', sizes: '512x512', mimeType: 'image/svg+xml'}],
+    icons: [{src: './mcp.svg', sizes: ['512x512'], mimeType: 'image/svg+xml'}],
     websiteUrl: 'https://github.com/modelcontextprotocol/typescript-sdk',
   }, { capabilities: { logging: {} } });
 

src/types.ts

@@ -214,9 +214,9 @@ export const IconSchema = z
      */
     mimeType: z.optional(z.string()),
     /**
-     * Optional string specifying icon dimensions (e.g., "48x48 96x96").
+     * Optional array of strings specifying icon dimensions (e.g., ["48x48", "96x96"]).
      */
-    sizes: z.optional(z.string()),
+    sizes: z.optional(z.array(z.string())),
   })
   .passthrough();