The Lost Cities - DevTool

Build Lost Cities packs in game, or open one you already have. Write your files with comments and .json5, and have mistakes caught at load time with a line number. Small bugs have optional fixes. KubeJS compatible.
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lostcities_devtool-1.20.1-3.1.2-7.5-beta.jar

File namelostcities_devtool-1.20.1-3.1.2-7.5-beta.jar
Uploader
RinkyNoobleRinkyNooble
Uploaded
Oct 1, 2026
Downloads
19
Size
388.4 KB
Mod Loaders
Forge
File ID
9028887
Type
B
Beta
Supported game versions
  • 1.20.1
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Curse Maven Snippet

Forge

implementation fg.deobf("curse.maven:the-lost-cities-devtool-1654265:9028887")

Learn more about Curse Maven

What's new

3.1.2-7.5-beta For The Lost Cities 7.5.1 to 7.5.6, Minecraft 1.20.1, Forge 47+.

New

  • Supports Lost Cities 7.5.6.

Fixed

  • "/lcdev export .. -f" could delete every export and wipe backup.
  • Plot commands acted outside the workshop dimension; they now refuse there.
  • Load check now also reads Conditions and world styles.
  • Import: multi-row layers, self-inheriting city styles, unreadable block states.
  • Export no longer fails with "An unexpected error occurred" on a bad settings value.
  • Palette ledger writes "=" plainly instead of \u003d.
  • Several smaller sync, config comment and profile button fixes.

Faster

  • Export about 18% faster; wipe survey, layout and palette lookups faster.

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