MCP server: suggest using keys from service account (#32827)

* MCP server: suggest using keys from service account

* Update content/en/bits_ai/mcp_server/setup/_index.md

Co-authored-by: domalessi <111786334+domalessi@users.noreply.github.com>

---------

Co-authored-by: domalessi <111786334+domalessi@users.noreply.github.com>

Author: rgwood-dd

content/en/bits_ai/mcp_server/setup/_index.md

@@ -215,6 +215,8 @@ The MCP Server uses OAuth 2.0 for [authentication][2]. If you cannot go through
 }
 {{< /code-block >}}
 
+For security, use a scoped API key and application key from a [service account][23] that has only the required permissions.
+
 ### Test access to the MCP Server
 
 1. Install the [MCP inspector][4], a developer tool for testing and debugging MCP servers.
@@ -430,3 +432,4 @@ The Datadog MCP Server is under significant development. During the Preview, use
 [20]: https://docs.google.com/forms/d/e/1FAIpQLSeorvIrML3F4v74Zm5IIaQ_DyCMGqquIp7hXcycnCafx4htcg/viewform
 [21]: /synthetics/
 [22]: https://kiro.dev/
+[23]: /account_management/org_settings/service_accounts/