I remember easily farming Mending books by swapping lecterns until the perfect librarian popped. That glitchy strategy made enchanting feel more like a formula than a reward until Librarian’s Balance stepped in to bring back that sense of progression.

What’s Under the Hood
According to Modrinth, here’s what the mod actually changes:
- Trade Level Cap: Librarians randomly offer enchantment books up to Level III only. To get Level IV or V, you must upgrade books using an anvil or discover them in loot.
- Mending Is Rare: Mending books aren’t available by default. You must first find one like in End Cities or Ancient Cities and place it on a lectern to unlock Mending trades from a librarian.
- Custom Book Trades: Placing any enchanted book on a lectern sets that enchantment as one of the librarian’s trades giving purpose to random loot finds.
- In-game Tuning: Features are toggleable via
/function libal:config
(for datapack), making it server-friendly.
Screenshots:





Community Reactions / Rebalancing Buzz
On Minecraft feedback forums, suggestions to rebalance librarian trades have been ongoing:
“A novice librarian shouldn’t be able to sell the best enchantments. Biome-specific trades or quest-based unlocks make more sense.”
Though not about this mod specifically, these evolving ideas show how high the demand is for trading that’s balanced, fair, and rooted in exploration not lectern spam.
Why This One Stands Out
I’ve run it on my survival server having Mending feel like a prize instead of a spawnable trade changes how players prioritize caving, trading, and exploration. The book-on-lectern trick also gave player-crafted loot new value: an End City book doesn’t sit idle it’s currency, quest fuel, and choice.
TL;DR Table
Feature | Effect |
---|---|
Trade Cap (Lvl 3) | Requires planning or hunting to reach high-tier enchantments |
Rare Mending | Forces players to explore before unlocking convenient trades |
Customizable Trades | Adds utility to loot beyond storage |
In-Game Configuration | Easy server-side tuning for group play |
Requires:
How to install:
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Download links
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- Forge/ Neoforge /Fabric/Quilt Version:download Download file
- Forge/ Neoforge /Fabric/Quilt Version:download Download file