The most helpful villager (no emeralds needed)

en 1.9 /summon Villager Shops Hey villagers are more helpful.

The command

Note: Minify the command to avoid issues :)

/summon Villager ~1 ~ ~ {
    Profession: 1,
    CustomName: "The Helpful Villager ",
    CustomNameVisible: 1,
    Career: 1,
    CareerLevel: 42,
    PersistenceRequired: 1,
    Invulnerable: 1,
    Attributes: [
        {
            Name: "generic.knockbackResistance",
            Base: "1f"
        },
        {
            Name: "generic.maxHealth",
            Base: 99999
        }
    ],
    ActiveEffects: [
        {
            Id: "3",
            Amplifier: 0,
            Duration: 2147483647
        }
    ],
    Offers: {
        Recipes: [
            {
                buy: {
                    id: "air",
                    Count: 1
                },
                maxUses: 9999999,
                sell: {
                    id: "cooked_porkchop",
                    Count: 1
                }
            },
            {
                buy: {
                    id: "dirt",
                    Count: 1
                },
                maxUses: 9999999,
                sell: {
                    id: "enchanting_table",
                    Count: 1
                }
            },
            {
                buy: {
                    id: "dirt",
                    Count: 1
                },
                maxUses: 9999999,
                sell: {
                    id: "skull",
                    Count: 1,
                    Damage: 3
                }
            },
            {
                buy: {
                    id: "dirt",
                    Count: 1
                },
                maxUses: 9999999,
                sell: {
                    id: "diamond_helmet",
                    Count: 1
                }
            },
            {
                buy: {
                    id: "air",
                    Count: 1
                },
                maxUses: 9999999,
                sell: {
                    id: "diamond_chestplate",
                    Count: 1
                }
            }
        ]
    }
}

Created: Fri, 22 Apr 2016 22:51:06, Updated: Sat, 08 Apr 2017 23:36:24, Views: 25