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Multi-protocol Minecraft-compatible client written in Rust.

Don't expect it to go anywhere, just doing this for fun.


Steven on Hypixel Steven

In action:


IRC channel: #stevenarella on

Discussion forum:

Protocol support

Game version Protocol version Supported?
1.18.2 758
1.18.1 757
1.17.1 756
1.16.5 754
1.16.4 754
1.16.3 753
1.16.2 751
1.16.1 736
1.16 735
1.15.2 578
1.15.1 575
1.14.4 498
1.14.3 490
1.14.2 485
1.14.1 480
1.14 477
19w02a 452
18w50a 451
1.13.2 404
1.12.2 340
1.11.2 316
1.11 315
1.10.2 210
1.9.2 109
1.9 107
15w39c 74
1.8.9 47
1.7.10 5

Stevenarella is designed to support multiple protocol versions, so that client development is not in lock-step with the server version. The level of support varies, but the goal is to support major versions from 1.7.10 up to the current latest major version. Occasionally, snapshots are also supported.

Forge servers are supported on 1.7.10 - 1.12.2 (FML) and 1.13.2 - 1.16.5 (FML2).

Support for older protocols will not be dropped as newer protocols are added.


Windows, Ubuntu Linux, and macOS users can download pre-compiled builds from GitHub Actions. (Click the artifacts drop-down and select your platform.)


Requires Rust stable version 1.64.0 or newer.


sudo apt-get install libxcb1-dev libxcb-render0-dev libxcb-shape0-dev libxcb-xfixes0-dev libxcb-composite0-dev

Alpine Linux

sudo apk add openssl-dev xcb-util-dev


Compile and run:

cargo run --release

Just compile:

cargo build --release

For progress on web support, see www/.



Just running Stevenarella via a double click (Windows) or ./stevenarella (everything else) will bring up a login screen followed by a server list which you can select a server from.


Stevenarella is an OPEN Open Source Project:

Individuals making significant and valuable contributions are given commit-access to the project to contribute as they see fit. This project is more like an open wiki than a standard guarded open source project.


There are a few basic ground-rules for contributors:

  1. No --force pushes or modifying the Git history on the master branch.
  2. Non-master branches ought to be used for ongoing work.
  3. External API changes and significant modifications ought to be subject to an internal pull-request to solicit feedback from other contributors.
  4. Internal pull-requests to solicit feedback are encouraged for any other non-trivial contribution but left to the discretion of the contributor.
  5. Contributors should attempt to adhere to the prevailing code-style. Please install and run cargo fmt before merging any changes.

Changes to this arrangement

This is an experiment and feedback is welcome! This document may also be subject to pull-requests or changes by contributors where you believe you have something valuable to add or change.


Thanks to @thinkofname for the original Steven (Rust), which Stevenarella is an updated and enhanced version of.


Dual-licensed MIT and ApacheV2