Update mcp-integration.adoc

Added note about Per Org Subdomain

Author: bryanthowell-ts

modules/ROOT/pages/mcp-integration.adoc

@@ -72,6 +72,10 @@ To secure communication between the MCP client and the ThoughtSpot instance, adm
 * Client connection configuration: +
 MCP Server integration also requires configuration on the client side, typically via a config file, to include the MCP Server addresses, credentials, and other details.
 
+[NOTE]
+====
+xref:orgs.adoc#per-org-subdomain[Per Org Subdomain] can be enabled to allow Orgs with different IdPs to be identified properly within the authentication flows. Once enabled, use the appropriate URL with the Org subdomain within the MCP Server configuration to ensure all interactions happen within the context of the desired ThoughtSpot Org.
+====
 
 === How it works