AI Plugin Generator

Build any Minecraft plugin
without writing Java

Describe what you want in plain English. StackNest generates the code, compiles it, and hands you a working .jar — ready to drop into your server.

Free tier · No credit card · 3 plugins/month

You type:
"A kit plugin with Warrior, Archer, and Mage kits. 5-minute cooldown per kit shown with a BossBar. Kits are listed in a chest GUI. Warrior gets full iron armour and a diamond sword. Archer gets leather armour, a bow with 64 arrows, and punch II. Mage gets 5 fire charges and a blaze rod that launches a fireball on right-click."
StackNest delivers:
KitPlugin.java KitGUI.java KitCommand.java CooldownManager.java plugin.yml pom.xml KitPlugin.jar ✓
How it works

From description to compiled JAR
in under a minute

StackNest handles everything a plugin developer would do — writing, compiling, debugging, and packaging.

1

Describe your plugin

Write what you want in plain English — as detailed or as brief as you like. Include platforms (Paper, Velocity, Folia), dependencies (Vault, PlaceholderAPI), commands, permissions, GUI layouts, and any specific behaviour. The more detail you give, the more precisely it's built.

2

AI generates complete source code

A specialised AI model writes the full plugin: the main class, all supporting classes (GUIs, commands, listeners, managers), plugin.yml, and a pom.xml with the correct Paper API version and any required dependencies.

3

Automatic compilation and healing

The source is compiled server-side. If there are compile errors, StackNest runs up to 5 automatic fix passes — sending the error log back to the AI and regenerating the broken section. You won't see a plugin unless it compiled cleanly.

4

Download and deploy

You get a compiled JAR, the full source code, and links to the public gallery entry. Drop the JAR into your plugins/ folder and restart or reload the server.

What StackNest can build

Every plugin type, fully compiled

Not just code stubs — complete, working plugins with all the classes and files a real plugin needs.

Commands & Permissions

Custom slash commands with argument parsing, tab-completion, per-command permission nodes, and player/console handling.

Chest GUIs

Inventory menus with slots, icons, pagination, click handlers, and confirmation dialogs. Kit selectors, shop menus, admin panels — any GUI layout.

Data Storage

Per-player data saved to YAML files or SQLite using HikariCP connection pooling. Persistent across server restarts with async read/write to avoid TPS lag.

Economy Integration

Vault API integration for give/take/check player balances. Works with EssentialsX, CMI, and any other Vault-compatible economy plugin.

Scheduled Tasks

Repeating and delayed tasks for countdowns, auto-saves, arena resets, and timed game events. Uses Bukkit's scheduler with async support.

Scoreboards & BossBars

Animated scoreboards with per-player lines, persistent sidebar displays, and BossBar progress indicators for countdowns, health, and cooldowns.

PlaceholderAPI

Expand and provide PlaceholderAPI placeholders so your plugin's data surfaces in scoreboards, chat, and TAB from other plugins.

Multi-platform Support

Generate for Paper, Spigot, Folia (multi-threaded), and Velocity proxy plugins. Select your server software and the generated code uses the correct API.

Configuration Files

config.yml with configurable messages, values, and feature flags. Reloadable at runtime via a built-in /pluginname reload command.

Real examples

What people have built

From simple utility commands to complex game systems — here's what StackNest has generated for real server owners.

"A crate key plugin with Common, Rare, and Legendary crates. Spinning animation on right-click. Rewards include items, money, and commands."
✓ Compiled · CratePlugin.java, AnimationManager.java, RewardManager.java, GUI class, plugin.yml
"Staff chat plugin — /sc command to toggle a private staff channel. Messages shown in red to staff only, logged to a file with timestamp and sender IP."
✓ Compiled · StaffChat.java, ChatLogger.java, command and listener classes
"An auction house where players can list items for sale with a starting price and duration. Highest bidder wins. Unsold items returned by mail."
✓ Compiled · AuctionHouse.java, AuctionListing.java, bidding system, GUI browser, Vault integration
"Claim plugin for Folia. Players right-click a protection stone to claim a 20x20 area. Other players can't break blocks or open chests in claimed areas."
✓ Compiled · Folia-compatible with RegionScheduler, claim storage in SQLite
"Velocity plugin that broadcasts welcome messages to joining players, logs connections to a file, and adds a /server command with a GUI to switch between backend servers."
✓ Compiled · Full Velocity proxy plugin with event listeners and server selector GUI
"Anti-AFK plugin. If a player doesn't move for 5 minutes, kick them with a configurable 'AFK kick' message. Bypass permission for VIP players. AFK timer resets on any movement."
✓ Compiled · Anti-AFK with configurable timers, bypass permission, and movement detection

Browse hundreds more in the public gallery.

Supported platforms

Paper 1.21.x
Spigot 1.21.x
Folia
Velocity 3.x
Purpur
Bukkit (legacy)

Optional dependencies supported

Vault (Economy)
PlaceholderAPI
LuckPerms
WorldGuard
WorldEdit
HikariCP
FAQ

Frequently asked questions

What is a Minecraft plugin generator?

A plugin generator is a tool that creates custom Minecraft plugin code for Paper, Spigot, or Bukkit servers. Traditional generators produce code stubs you still need to finish and compile yourself. StackNest goes further — it generates, compiles, and delivers a working JAR with no local setup required.

Does StackNest actually compile the plugin?

Yes. The source code is compiled server-side using javac and Maven. If there are compile errors, StackNest automatically runs up to 5 fix passes — feeding the error output back to the AI and regenerating the broken sections. You only see a result once the build is clean.

Do I need to know Java or have any development tools installed?

No. StackNest runs entirely in the browser. You don't need Java, Maven, an IDE, or any other software installed locally. The generation, compilation, and packaging happen on StackNest's servers. You just download the JAR.

What's the difference between StackNest and using ChatGPT?

ChatGPT and similar general AI assistants generate Java source code but don't compile it — you still need a development environment and will encounter bugs, missing imports, and API misuse that require manual fixes. StackNest is purpose-built for Minecraft plugins: it knows the Paper API, runs a real compilation step, and auto-fixes errors before handing you the result.

Is it free to use?

The free tier includes 3 plugin generations per month with no credit card required. Paid plans start at £4/month for more generations, longer and more complex plugins, and features like log analysis and deep AI validation.

Can I get the source code, not just the JAR?

Yes. Every generation includes the full Java source code, plugin.yml, and pom.xml. You can download the source to review, extend, or learn from it. If you're a developer who wants to understand how Minecraft plugins are built, reading the generated output is a practical starting point.

Build your first plugin in 60 seconds

No Java. No Maven. No setup. Just describe what you want and download the JAR.

Generate a plugin free →

Free · 3 plugins/month · No credit card required