app.rb

require 'sinatra'
require 'json'
require 'faker'

POSITION = %w(
  Новичок
  Даритель
  Наставник
  Меценат
)

def people(count)
  count.times.map do |id|
    {
      id: id+1,
      name: Faker::Name.name,
      position: POSITION[rand(0..3)],
      tems_count: rand(10..100),
      tickets_count: rand(100..5000),
    }
  end
end

get '/team.json' do
  content_type :json
  count = params[:count] ? params[:count].to_i : 100
  people(count).to_json
end

Focused dashboard,!Fine-grained permissions..?Repositoryne..!

@imi44 what?