ModGuard
by Gabrieli2806
ModGuard is a Fabric anti-cheat mod that checks which client mods players run and watches for suspicious ore mining on a server.
What it does
Client validation compares the mods a player has loaded against a secure whitelist. A player who joins with unauthorized or missing mods is kicked automatically, and attempts to bypass the check are blocked. The server's allowed mod names are set directly in the allowedMods config file.
Ore-mining activity is followed as it happens, covering 9 ore types. Violations are stored as persistent records, and admins receive immediate alerts that include a quick teleport to spectate the suspect. Detection thresholds are adjusted with modguard xrayvalues, and tracking is switched on or off with modguard xray enable or disable.
The mod requires Fabric API and is released under the MIT License. It is not open source. Files exist for 1.20.4 only, and the latest Fabric file is 1.0.1, published 2026-03-06. Both the server and every player need the mod, since players must install the same version in their mods folder before connecting.
Key features
Whitelist validation
Client mods are checked against a secure whitelist, and players with unapproved or missing mods are kicked on join.
Ore mining tracking
Mining activity is followed across 9 ore types, so repeated hidden-ore patterns are noticed as they happen.
Admin alerts and spectate
Violations are logged persistently, and admins are alerted at once with a quick teleport to observe the suspect in secret.
Server commands
Commands at OP level 2 list loaded mods, show and adjust X-Ray limits, and view or clear the violation log.
Compatibility
Latest build for each game version and loader.
Only full game releases are shown. This mod publishes no snapshot builds.
Requirements
Dependencies declared by the latest file for each loader.
Required 1
Use cases
Fair survival servers
A server that wants every player on the same mod set can enforce that list at connection time.
Monitoring ore theft
Owners who see unusual mining on a shared world can check logged records and spectate the player involved.
Who it’s for: Server owners and administrators who want to control client-side mods and detect X-Ray style mining on a Fabric server.
How it compares
ValiMod is a Fabric mod for 1.20.4 – 1.20.6, client and server, under the MIT License, and it is not open source. Different anti cheat is server-side only, built for 1.20.1 under All rights reserved, so players need nothing installed. Anticheat Mod List is open source under the GNU General Public License v3.0 only and covers 26.1.2 – 26.2, a different range from ModGuard's 1.20.4.
| Mod | Loaders | Game versions | Environment | Updated |
|---|---|---|---|---|
| ModGuard | Fabric | 1.20.4 | Client and server | 2026-03-06 |
| ValiMod | Fabric | 1.20.4 – 1.20.6 | Client and server | 2026-07-25 |
| Different anti cheat | Fabric | 1.20.1 | Server-side only | 2026-05-30 |
| Anticheat Mod List | Fabric | 26.1.2 – 26.2 | Client and server | 2026-08-11 |
Questions
Does ModGuard need Fabric API?
Must every player install ModGuard?
Which game versions does ModGuard support?
In the catalog
ModGuard is one of 8,016 Management mods on ModsFinder, and one of 5,930 Management mods for Fabric. 13,907 mods support Minecraft 1.20.4.
More from Gabrieli2806
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What the author says
Is a security and anti-cheat mod for Minecraft servers, featuring a strict mod whitelist system and real-time X-Ray detection to ensure fair gameplay. Guard your server from unauthorized client modifications and track suspicious mining activity effortlessly. Mod Whitelist System Client Validation - Actively validates…
Official listing
- Modrinth page
- modrinth.com/mod/modsecurity
- Owner
- Gabrieli2806
- Published
- 2026-03-06
- Updated on Modrinth
- 2026-03-06
- Facts verified
- 2026-10-15