/summon villager ~ ~2 ~ {VillagerData:{profession:librarian,level:5,type:plains},Offers:{Recipes:[
{buy:{id:command_block,Count:1},sell:{id:diamond_helmet,Count:1,tag:{display:{Name:"{\"text\":\"Admin Helmet Prototype 1\",\"color\":\"yellow\"}"},AttributeModifiers:
[{AttributeName:"generic.maxHealth",Name:"generic.maxHealth",Amount:4,Operation:0,UUIDLeast:111111,UUIDMost:111111,Slot:"head"},
{AttributeName:"generic.armor",Name:"generic.armor",Amount:3,Operation:0,UUIDLeast:111111,UUIDMost:111111,Slot:"head"}],Enchantments:[{id:"minecraft:protection",lvl:5},
{id:"minecraft:fire_protection",lvl:2},{id:"minecraft:blast_protection",lvl:2},{id:"minecraft:projectile_protection",lvl:2}],Unbreakable:1
},maxUses:9999999}},
{buy:{id:command_block,Count:2},sell:{id:diamond_chestplate,Count:1,tag:{display:{Name:"{\"text\":\"Admin Chestplate Prototype 1\",\"color\":\"yellow\"}"},AttributeModifiers:
[{AttributeName:"generic.maxHealth",Name:"generic.maxHealth",Amount:6,Operation:0,UUIDLeast:111112,UUIDMost:111112,Slot:"chest"},
{AttributeName:"generic.armor",Name:"generic.armor",Amount:8,Operation:0,UUIDLeast:111112,UUIDMost:111112,Slot:"chest"}],Enchantments:[{id:"minecraft:protection",lvl:5},
{id:"minecraft:fire_protection",lvl:2},{id:"minecraft:blast_protection",lvl:2},{id:"minecraft:projectile_protection",lvl:2}],Unbreakable:1
},maxUses:9999999}},
{buy:{id:command_block,Count:2},sell:{id:diamond_leggings,Count:1,tag:{display:{Name:"{\"text\":\"Admin Leggings Prototype 1\",\"color\":\"yellow\"}"},AttributeModifiers:
[{AttributeName:"generic.maxHealth",Name:"generic.maxHealth",Amount:6,Operation:0,UUIDLeast:111113,UUIDMost:111113,Slot:"legs"},
{AttributeName:"generic.armor",Name:"generic.armor",Amount:6,Operation:0,UUIDLeast:111113,UUIDMost:111113,Slot:"legs"}],Enchantments:[{id:"minecraft:protection",lvl:5},
{id:"minecraft:fire_protection",lvl:2},{id:"minecraft:blast_protection",lvl:2},{id:"minecraft:projectile_protection",lvl:2}],Unbreakable:1
},maxUses:9999999}},
{buy:{id:command_block,Count:1},sell:{id:diamond_boots,Count:1,tag:{display:{Name:"{\"text\":\"Admin Boots Prototype 1\",\"color\":\"yellow\"}"},AttributeModifiers:
[{AttributeName:"generic.maxHealth",Name:"generic.maxHealth",Amount:4,Operation:0,UUIDLeast:111114,UUIDMost:111114,Slot:"feet"},
{AttributeName:"generic.armor",Name:"generic.armor",Amount:3,Operation:0,UUIDLeast:111114,UUIDMost:111114,Slot:"feet"}],Enchantments:[{id:"minecraft:protection",lvl:5},
{id:"minecraft:fire_protection",lvl:2},{id:"minecraft:blast_protection",lvl:2},{id:"minecraft:projectile_protection",lvl:2}],Unbreakable:1
},maxUses:9999999}}]}}