The site list is stored on the website. The extension can grab it from here.
GET this URL to get the same site list the extension uses:
https://autosc.org/api.php?action=get-extension-sites
Returns JSON: { "sites": [ ... ], "source": "autosc.org" }
Count: —
Admin can POST the extension’s site list to save it on the website. Use api.php?action=save-extension-sites with Authorization: Bearer <admin token> and body { "sites": [ ... ] }.
The list above was grabbed from the extension and put into data/extension_sites.json.