Sites hosted on mintlify: 9

4,413 sites in this index across 4,808 probed hosts, 141 of them transactional. Every one probed live, with the date it was checked.

Checks passed across the 4,808 probed hosts: Markdown negotiation 4,121 · Markdown twin at a predictable URL 4,102 · llms.txt 4,736 · API catalog 49 · MCP endpoint answers tools/list 4,484.

These sites are on mintlify, 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.