<?xml version="1.0" encoding="UTF-8"?>
<!--
  PlainGrain Sitemap Index
  The full sitemap is generated dynamically at:
  https://plaingrain.app/api/functions/serveSitemapXmlV5

  Note: Google ignores x-robots-tag headers on sitemap URLs when processing
  sitemap contents. Submit the function URL directly to Google Search Console.
-->
<sitemapindex xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">
  <sitemap>
    <loc>https://plaingrain.app/api/functions/serveSitemapXmlV5</loc>
    <lastmod>2026-05-06</lastmod>
  </sitemap>
</sitemapindex>
