mc-nbt

github.com

What it is

mc-nbt is a Node.js library for reading, writing, and manipulating Minecraft NBT, DAT, and MCA files.

From github.com's own pages, read 9 Oct 2026.

As github.com lists them, read 9 Oct 2026.

Data plate

Price: Free to use
Free plan: Yes
Free trial: No
Runs on: api, Linux
Open source: No
Website: github.com
Conversion: It converts between NBT, SNBT, and JSON, with type preservation described in the README.
Dependencies: The project requires Node.js 12.0.0 or higher and states that it uses only Node.js built-in modules.
File formats: It supports NBT, DAT, MCA, SNBT, and JSON files.
Formats: It supports NBT, gzip-compressed DAT, MCA region, SNBT, and JSON files.
Integrations: Buffer operations support user-provided adapters, with SFTP and APIs shown as example data sources.
Intended users: The README highlights production Minecraft servers, world conversion tools, batch processing scripts, and memory-constrained environments as use cases for async methods.
Inventory tools: Its InventoryManager can list, add, remove, and modify player inventory items.
License: The repository README identifies the license as MIT.
Checked: 9 Oct 2026

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