Sites hosted on shopify

31,593 sites in this index across 31,597 probed hosts, 16,419 of them transactional. Every one probed live, with the date it was checked.

Checks passed across the 31,597 probed hosts: Markdown negotiation 35 · Markdown twin at a predictable URL 7 · llms.txt 31,468 · API catalog 60 · MCP server card answers 31,549.

These sites are on shopify, which provides markdown negotiation, a markdown twin and an MCP server by default. Every one was still probed individually and dated; the platform is attributed, not assumed. A platform default is evidence that the platform layer is moving — not this many separate decisions.