Client Inspector
Running a public Minecraft server means trusting strangers to play fair, and that trust gets tested every single day. Some players sneak in with X-ray mods, kill auras, or flight hacks, and traditional anti-cheat plugins do not always catch them. Client Inspector takes a different approach: it checks which mods a player has loaded the moment they connect, then acts on that information automatically. If you have ever wished you could know exactly what mods a joining player is running, this is the tool you have been looking for.
What Client Inspector Actually Does
Client Inspector is a Forge mod that inspects the mod list of every player who connects to your server. You define which mods are allowed and which are not, and the mod compares each incoming connection against that list. When someone shows up with a disallowed mod, the mod can execute commands on that player automatically. That could mean kicking them, banning them, muting them, or running any command your server supports. You decide the punishment, and Client Inspector enforces it without you lifting a finger.
Beyond instant enforcement, the mod keeps its own log file. Every detection event is recorded, so you can review who tried to join with what, and when. This is invaluable when you need evidence before issuing a permanent ban or when you want to spot patterns in cheating attempts.
Key Features at a Glance
- Automatic mod list inspection on player connection
- Command execution on players using disallowed mods
- Dedicated log file for every detection event
- Configurable allow and deny lists
- Works alongside your existing anti-cheat setup
- Open source with an MIT license
Supported Versions and Loader
Client Inspector is built for Forge, and it requires installation on both the server and the client side to function correctly. The mod has a long history across Minecraft versions, with older builds available for 1.12.2 and continued support for more recent releases. If you run a modded server on a modern Forge version, you should have no trouble finding a compatible build. Just make sure your players install the client-side component too, because the inspection only works when both sides are running the mod.
If you prefer a simpler setup, the foxygame.net launcher handles the whole process for you: it keeps Client Inspector updated automatically and warns you when a version mismatch could break detection on your server. That saves a lot of manual file juggling, especially when you manage multiple modded instances.
How to Install Client Inspector
On the Server
First, download Client Inspector for Minecraft from the official project page and drop the jar file into your server's mods folder. Restart the server so Forge loads the mod. Once it is running, open the generated config file and define your allowed and disallowed mod lists. Take your time here, because a sloppy list will either block innocent players or let cheaters slip through.
On the Client
Players need the same mod installed locally. Place the jar in their mods folder and launch the game through their Forge profile. Without the client-side half, the server cannot read the mod list, and detection simply will not work.
Testing Your Setup
After installation, join your own server with a test mod enabled that you have marked as disallowed. If the configured command fires and the log file records the event, everything is working. This quick test saves hours of confusion later.
Why Server Owners Keep Using It
Most anti-cheat tools watch behavior, which means they react after damage is done. Client Inspector works before a cheater ever gets a chance to act. That proactive stance is why it remains popular on modded servers, particularly those running Forge on 1.12.2 and newer versions. The logging feature also gives staff a paper trail, which matters when appeals come in and you need to justify a ban.
Installation is straightforward, the configuration is flexible, and the mod plays nicely with whatever punishment system you already use. Whether you run a small private world or a busy public server, Client Inspector gives you visibility into exactly what your players are running, and that visibility is the first step toward a fair game for everyone.
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