Yes. MyCommand is free to download from SpigotMC.

How do I add it to my Nxeon server?

Use “Add to a server” on this page, or open NxLabs from your dashboard. We install it, restart your server and switch it on.

MyCommand — Minecraft Plugins

From SpigotMC

Make your own, customized Minecraft commands

MyCommand

Make your own, customized Minecraft commands

Update(or remove) ProtocolLib if the plugin doesn't load.

Features:

Make new commands! (Registered (register: true) and not (appears red by default).)
Run other plugin commands in a new one
Perform several commands in one command.
Delayed commands with custom pause, warmups and cooldowns
Make Shortcut/alias commands or override other commands.
Run commands through items, blocks, signs, book, events, villager npcs, itemframes and more.
Various features for costumize your commands, like placeholders, scripts (if-else) and more.
Console support
Economy features supported. MyCommand can also act as a stand alone economy plugin (Require Vault)
All features are highly customizable
No command limits with multiple file support.
Customizable IconMenu (ChestGUI), ActionBar, BossBar, Hover/ClickableText, Title and Scoreboard commands, Anvil GUI , Sign GUI (Use the sign or Anvil as chat prompt).
Allow the execution of commands in various circumstances (per world, by worldguard regions and more.
Custom players database where you can store anything you want to personalize even more your commands. SQL database supported.
BungeeCord features, Scheduler, Http Requests (GET or POST), Join/Quit/Death events, custom.png images on map and itemframes to run commands ...
Command auto complete (tab completer) supported. (register: true)
MiniMessage support ... And much, much more..!
(optional) Vault Plugin
(optional) PlaceholderAPI

Video Tutorial (MyCommand 5.1.8) :

<iframe width="500" height="300" src="https://www.youtube.com/embed/RN_-F-wKLaA?wmode=opaque" frameborder="0" allowfullscreen></iframe>
(English) by Koz4Christ.

(French) Getting Started (TEXT and ALIAS commands) by Texier (MyCommand 5.5.0)

For any yml-reader problem, use http://yaml-online-parser.appspot.com/

/lmcmd :
(old feature now standalone) /lmcmd (LaunchMultiCommands)

Metrics :

This plugin uses bStats Metrics - MyCommand stats page

Donations:
If you like this plugin, and want to offer me a coffee, consider to donate! Thank you

From source data

Supports 16 Minecraft versions, the newest being 26.1.

Runs on Spigot and Paper.

Rated a light load on a server.

From our catalogue

One-click install: Supported on Nxeon Minecraft servers, for Paper servers. We download it from SpigotMC, place it, and restart the server.
Server side: Required on the server
Server type needed: Spigot, Paper
Server load: light
Smallest plan we suggest: Minecraft — 2 GB (2 GB RAM). This follows our own load rating above, not a benchmark.
Latest build: v5.7.4, released 2023-07-04

Loader	Game versions	Newest
Paper	1.7 to 26.1 (16 versions)	26.1
Spigot	1.7 to 26.1 (16 versions)	26.1

From 10 recorded builds of MyCommand.

Build	Released	Game versions	Loaders
v5.7.4	2023-07-04	1.7 to 26.1 (16 versions)	Spigot, Paper
v5.7.3	2022-09-04	n/a	Spigot, Paper
v5.7.2	2022-01-01	n/a	Spigot, Paper
v5.7.1	2021-05-07	n/a	Spigot, Paper
v5.7.0	2021-04-17	n/a	Spigot, Paper
v5.6.9b	2021-01-30	n/a	Spigot, Paper

Pick a server or deploy a new one above; it is installed in one click.

From the catalog

Listed on SpigotMC as “Plugins”

Its source category doesn’t say more about what it does, so NxLabs lists it under Other.

From source side support

SpigotMC lists MyCommand as required on the server. Check its SpigotMC page to see whether players need it too.