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Minecraft Modern File:Baner beta.png Minecraft Modern (officially Minecraft: Java Edition) is one of the two updated versions of Minecraft which require a paid account to download, update and play. Most of the new development projects focus on either creating entirely new programs from scratch that interoperate with Minecraft (such as a bot or server) or modding projects that wrap the client or server and provide bug fixes, new features and enhancements to existing features. Documentation There are ongoing efforts to keep reverse engineered documentation updated, but it isn't as easy as it sounds. The protocol generally changes slightly with each release, and both the Client and Server classes get rearranged on each release. Below are links to the current documentation segments, which may or may not be completely up to date. Protocol FAQ Normal login sequence for a client Normal ping sequence to a server Current Protocol Specification Protocol Encryption Server List Ping documentation Protocol version numbers Plugin channels Protocol History Pre-release Protocol Specificaton Entity metadata Entity statuses Authentication: Microsoft Authentication Scheme Legacy Mojang Authentication Scheme Legacy Minecraft Authentication Scheme Mojang API Location of Game Files Map Format (See also: mirror of the old NBT.txt) Launching the game Snoop Mechanism Realms API Rcon and Query protocol specifications Debugging Chat System Format Proxies Tools & Mods Clients - third-party Minecraft clients. Servers - third-party Minecraft servers. Libraries - libraries to interface with Minecraft data files or network protocols. Utilities - tools that interface with a client, server, or data files, such as proxies, bots, or inventory editors. Wrappers - mods that override features in the client or server Generators - tools that extract data from mojang to a readable format Cheats - mods that allow you to cheat (bannable on servers) Burger - a tool that generates information for arbitrary Minecraft versions Pokechu22's fork - where new version development is mostly done Burger Vitrine - shows differences in data and protocol between arbitrary versions PAaaS - shows differences in protocol and sounds for newer versions (1.8 and above) Code Snippets Tutorials & Guides How to Write a Client How to Write a Server How Chat Works Dev-focused Blog Articles Unofficial Communities Minecraft Protocol (via Discord) For more info, check out Minecraft Modern.

Minecraft : Bedrock Edition Minecraft: Bedrock Edition is the multi-platform version of Minecraft. It is available for mobile, Xbox One, Nintendo Switch, and various other platforms. Documentation Current Protocol Specification - note that this is very WIP and many aspects may be incorrect. The Raknet Protocol is also not fully documented. Bedrock version numbers Bedrock Edition level format Tools Useful information & links Program list - third-party BE programs Bedrock Edition Cheats - note this page is WIP For more info, see Bedrock Minecraft.

Minecraft: Pocket Edition The documentation of the "Pocket Edition" version, which is the old name for Bedrock Edition on mobile devices. Documentation The protocol and map format documentation for Minecraft: Pocket Edition. Old Protocol Specification (This protocol information is considered outdated, but still contains useful information) The current Protocol docs FAQ Login Procedure Pocket Realms Map Format Tools Useful information & links Program list - third-party PE programs For more info, see Pocket Minecraft.

Minecraft Classic Minecraft Classic is the original version of Minecraft, available for free to the public. It is still played by many people, with an active development community. As it's been around since 2010, and because it is very simple, there are many programs made to work with Classic. Documentation As there is no longer any work being done on classic, the documentation for it is stable. If you create something that works with it, it probably always will. Protocol Specification Extension Protocol Specification Server Map Format (.dat) Saved Level Format (.mclevel) ClassicWorld Format (.cw) Source Code Snippets Source code snippets provide insight into how specific features work or can be accomplished, and by themselves are generally free to use in your own program. Deserializing the level.dat file format (C, C#) More... Tools and Mods Useful information & links Clients - third-party Classic clients. Servers - third-party Classic servers. Libraries - libraries to interface with Minecraft data files or network protocols. Utilities - tools that interface with a client, server, or data files, such as proxies or bots. Wrappers - mods that override features in the client or server. For more info, see Minecraft Classic.