Good way to introspect a new GraphQL API

GraphQL Instrospection

query roots {
  __schema {
    queryType {
      ...typeFields
    }
    
    mutationType {
      ...typeFields
    }
    
    subscriptionType {
      ...typeFields
    }
  }
}
 
fragments typeFields on __Type {
  name
  fields {
    name
  }
}