Keep an OnlyWorlds world as notes in your Obsidian vault, one note per element, synced with onlyworlds.com if you want.
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Updated
Nov 3, 2026 - TypeScript
Keep an OnlyWorlds world as notes in your Obsidian vault, one note per element, synced with onlyworlds.com if you want.
Documentation for the OnlyWorlds standard and tools.
Your OnlyWorlds world, its characters, locations and laws, as objects in your Unity game.
Converts an Azgaar Fantasy Map Generator export into an OnlyWorlds world.
Converts an OnlyWorlds world into an installable Foundry VTT module.
Generated schema distribution for tool builders: canonical YAML, presentation sidecar, the schema walk, ruling table.
OnlyWorlds for Python: read and write world folders, bring a world in from other worldbuilding apps, and use the onlyworlds.com API.
Build on OnlyWorlds in TypeScript: a typed client for the onlyworlds.com API, and readers for world files and the shared conventions.
To associate your repository with the onlyworlds topic, visit your repo's landing page and select "manage topics."