{"slug":"ostrov-retreat-center-d0aa9b14","name":"Ostrov retreat center","summary":"Public retreat information, calendars and preliminary accommodation quotes for Ostrov in Karelia.","status":"live","indexable":true,"listed_since":"2026-10-25T17:50:26.136669Z","sources":[{"source":"mcp_registry","external_id":"center.ostrov/public-api","owner_address":null,"seen_at":"2026-10-25T17:50:26.136669Z","removed_at":null}],"endpoints":[{"url":"https://ostrov.center/api/public/v1/mcp","host":"ostrov.center","protocol":"mcp","state":"live","last_probe_at":"2026-10-25T21:05:58.719232Z","last_ok_at":"2026-10-25T21:05:58.719232Z","tools_count":7,"tools_changed_at":null,"uptime_24h":1.0,"uptime_30d":1.0},{"url":"https://ostrov.center/developers","host":"ostrov.center","protocol":"web","state":"live","last_probe_at":"2026-10-25T21:04:41.132250Z","last_ok_at":"2026-10-25T21:04:41.132250Z","tools_count":null,"tools_changed_at":null,"uptime_24h":1.0,"uptime_30d":1.0}],"also_listed_as":[],"payment_options":[],"usage":null,"notice":"Not affiliated with addrbook — claim or request removal."}