Want to know how many parking tickets the city of Boston hands out monthly, or how many potholes it fills? Curious about graffiti complaints or whether shootings are on the rise?

Boston’s record-keepers collect vast amounts of data that city bosses use to gauge the successes and failures across all departments, and to determine the city’s overall health. Boston is making available a big chunk of that information on a mobile app and website to give the public tools for judging how the city is fairing.