Mineflayer

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Create Minecraft bots with a powerful, stable, and high level JavaScript API.

Features

• Supports Minecraft 1.8, 1.9, 1.10, 1.11, 1.12, 1.13, 1.14 and 1.15.
• Entity knowledge and tracking.
• Block knowledge. You can query the world around you.
• Basic physics and movement - currently blocks are either "solid" or "empty".
• Attacking entities and using vehicles.
• Inventory management.
• Crafting, chests, dispensers, enchantment tables.
• Digging and building.
• Miscellaneous stuff such as knowing your health and whether it is raining.
• Activating blocks and using items.
• Chat.

Roadmap

• Brewing stands, and anvils.
• Better physics (support doors, ladders, water, etc).
• Want to contribute on something important for PrismarineJS ? go to https://github.com/PrismarineJS/mineflayer/wiki/Big-Prismarine-projects

Usage

Without version specified, the version of the server will be guessed automatically, you can set a specific one using the version option. For example version:"1.8".

Echo Example

var mineflayer = require('mineflayer');
var bot = mineflayer.createBot({
  host: "localhost", // optional
  port: 25565,       // optional
  username: "email@example.com", // email and password are required only for
  password: "12345678",          // online-mode=true servers
  version: false                 // false corresponds to auto version detection (that's the default), put for example "1.8.8" if you need a specific version
});
bot.on('chat', function(username, message) {
  if (username === bot.username) return;
  bot.chat(message);
});
bot.on('error', err => console.log(err))

Debug

You can enable some protocol debugging output using DEBUG environment variable:

DEBUG="minecraft-protocol" node [...]

On windows :

set DEBUG=minecraft-protocol
node your_script.js

More Examples

• In the examples folder.
• vogonistic's REPL bot

Third Party Plugins

Mineflayer is pluggable; anyone can create a plugin that adds an even higher level API on top of Mineflayer.

• navigate - get around easily using A* pathfinding. YouTube Demo
• radar - web based radar interface using canvas and socket.io. YouTube Demo
• blockfinder - find blocks in the 3D world
• scaffold - get to a target destination even if you have to build or break blocks to do so. YouTube Demo
• auto-auth - chat-based bot authentication
• Armor Manager - automatic armor managment
• Bloodhound - determine who and what is responsible for damage to another entity
• tps - get the current tps (processed tps)

Projects Using Mineflayer

• rom1504/rbot
  • YouTube - building a spiral staircase
  • YouTube - replicating a building
• Darthfett/Helperbot
• vogonistic/voxel - visualize what the bot is up to using voxel.js
• JonnyD/Skynet - log player activity onto an online API
• MinecraftChat (last open source version, built by AlexKvazos) - Minecraft web based chat client https://minecraftchat.net/
• Cheese Bot - Plugin based bot with a clean GUI. Made with Node-Webkit. http://bot.ezcha.net/
• Chaoscraft - Minecraft bot using genetic algorithms, see its youtube videos

Installation

npm install mineflayer

Documentation

• See docs/api.md.
• See docs/history.md.
• See examples/.
• See docs/unstable_api.md.
• See docs/contribute.md.

Contribute

Please read https://github.com/PrismarineJS/prismarine-contribute

Testing

Some setup is required after first cloning the project but after that is done it's very easy to run them.

Setup

In order to get all tests to run successfully you must first:

1. create a new folder in which to store minecraft server jars
2. set the MC_SERVER_JAR_DIR to this folder

Example:

1. mkdir server_jars
2. export MC_SERVER_JAR_DIR=/full/path/to/server_jars

Where the "/full/path/to/" is the fully qualified path name.

Testing everything

Simply run: npm test

Testing specific version

Run npm test -g <version>, where <version> is a minecraft version like 1.12, 1.15.2...

Testing specific test

Run npm test -g <test_name>, where <test_name> is a name of the test like bed, useChests, rayTrace...

Updating to a newer protocol version

1. Wait for a new version of node-minecraft-protocol to be released which supports the new Minecraft version.
2. npm install --save minecraft-protocol@latest
3. Apply the protocol changes where necessary.
4. Run the test suite. See Testing above.

Licence

MIT