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See every client mod on your server.

VxSee scans each player the moment they join and shows you what they have installed: hack clients, x-ray, freecam and thousands more. It runs on the server. Players never see it.

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11,700 mods in the databaseServer-side onlyLicence-locked downloadsPaper 1.21.11

ItzSeabasslol's Server · consoleOnline

Example output

It reads the client, not player movement.

Movement checks guess from how someone plays. VxSee asks the client what it has loaded.

Hack clients

Meteor, Wurst, LiquidBounce, Aristois, Rise, Raven and more. Caught even when the client says it's vanilla.

Freecam and x-ray

Freecam, world downloaders, fullbright, tracers and the other advantage mods people hide. Flag, kick or allow each one.

Anti-detection mods

ExploitPreventer, OpSec and Server Spoof hide their keys. A mod channel with no keys behind it is a client hiding them.

Spoofed brands

A client that says "vanilla" in play but sent a real brand while connecting gets flagged.

Grey-area mods

Minimaps, schematics, health indicators, zoom. Alert staff or allow them. Each server picks.

Updatable database

11,700 real mods out of the box. Point it at a file you host to add more without touching the jar.

Four checks that cover each other.

A mod that gets past one check usually shows up in another.

Sign probe

The client is sent a sign only it can see, filled with keybind and translation keys. Its mods fill them in and the answer comes back. Vanilla returns nothing, a modded client gives itself away.

Brand and channels

The client's brand and every plugin channel it registers, checked against the database. Channels Paper drops during login are picked up through packetevents.

Spoof check

A client that claims "vanilla" but shows mod evidence, or sends one brand while connecting and another in game, is flagged.

Key hiding

Anti-detection mods refuse the probe but can't hide their channels. A mod that's clearly there but returns no keys is hiding them.

Three steps to a protected server.

1

Upload the loader

Download VxSeeLoader from your dashboard and upload it to plugins in your host's file manager. Restart, then set your key in the panel console. The loader downloads VxSee itself, so the plugin jar is never handed out.

> vxl license set vxy_…
> vxl reload
✓ VxSee 3.3.0 ready
2

Players get scanned

When a player joins, an invisible sign probe reads their mod keys, brand and channels, including the channels sent while connecting that Paper normally drops.

[VxSee] Scanning ItzSeabasslol…
3

You decide what happens

Set each category to kick, alert, log or allow, or pick a preset. Staff get an alert. Players see nothing unless you kick them.

[VxSee] Kicked ItzSeabasslol » Meteor Client, Freecam

One licence per server.

Each licence is tied to one server and checked regularly. Updates reach every licensed server on their own.

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Questions

Can players see it scanning them?
No. The probe sign is sent only to that player and closed in the same tick, before it can draw. Alerts only go to staff with permission.
Does it flag normal mods by mistake?
A key that doesn't exist never matches, so a wrong signature just does nothing. You choose what each category does, so cosmetic mods can be logged or allowed while only cheats get kicked.
Will it catch a client that spoofs "vanilla"?
Usually. Spoofers still answer the sign probe with their real keybinds, still register channels, and often send a different brand while connecting. All of that is checked.
What versions does it support?
Paper 1.21.11 on Java 21. No plugin can see an x-ray resource pack, so use Paper's anti-xray alongside it for that.
Can the licence be shared or cracked?
The jar is never handed out. It's downloaded only to licensed servers, tied to the machine, and checked again every couple of hours. No Java plugin is uncrackable, but this stops casual sharing.