Every panel below is a live MongoDB aggregation pipeline. Refreshes on every page load. Raw JSON →
⚽ Top teams by fan count
$lookup + $unwind + $addToSet🏟 Most popular host cities
$group + cross-collection sort🏅 Most active fans
$group on itineraries🔥 Most ambitious plans
sort by match count💸 Cheapest plans
per-itinerary estimate_trip_cost🌱 Greenest plans
per-itinerary estimate_trip_co2
Pipelines are visible in /api/leaderboard response (see `aggregation` field) and in agent/app.py.