[Agents] Update content type + add description

Author: kodster28

src/content/docs/agents/guides/remote-mcp-server.mdx

@@ -1,10 +1,11 @@
 ---
-pcx_content_type: concept
+pcx_content_type: tutorial
 title: Build a Remote MCP server
 tags:
   - MCP
 sidebar:
   order: 4
+description: This guide will show you how to deploy your own remote MCP server on Cloudflare, either with or without authentication.
 ---
 
 import { Details, Render, PackageManagers } from "~/components";