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Minecraft: Java Edition
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Server-side anticheat for Fabric 1.21.1
No client mod required. One jar. Every check enabled by default.

โก 28+ Detection Modules
| Movement | Combat | World | Client |
|---|---|---|---|
| โก Fly | ๐ก๏ธ Reach | ๐งฑ Scaffold | ๐ฑ๏ธ AutoClicker |
| ๐ Speed | ๐ KillAura | ๐ผ Tower | ๐งฟ AutoTotem |
| ๐ป Phase | ๐ป GhostTrap | โ๏ธ FastBreak | ๐ Inventory |
| ๐ NoSlow | ๐ฅ Criticals | ๐งฑ FastPlace | โฑ๏ธ Timer |
| ๐ Jesus | ๐จ Velocity | ๐ช NoFall | ๐ฆ BadPackets |
| ๐ Sprint | ๐ฏ Rotation | ||
| ๐ถ BoatFly | ๐ฏ PostKillSnap | ||
| ๐ฆ ElytraFly | |||
| ๐ช Step | |||
| ๐ฆถ GroundSpoof | |||
| ๐ฎ Y-Prediction |
Each check runs independently. Own sensitivity, own cooldown, own response action. Toggle on or off. One config file.

๐ฎ Smart Engine
๐ง Physics Prediction โ Simulates vanilla gravity tick by tick. Compares predicted position to actual. Catches fly and hover that threshold checks miss.
๐ Lag Compensation โ Thresholds scale with each player's latency. No configuration needed.
๐ Violation Decay โ VL decreases over time without new flags. Clean players recover on their own.
โฉ๏ธ Setback โ Silent teleport to last safe position instead of disconnect.
๐ Confidence Scoring โ Evidence from multiple checks is weighed together, so isolated incidents do not escalate into punishment.

โ๏ธ Actions
Every check carries its own configurable response:
| Action | Behavior | |
|---|---|---|
| โ ๏ธ | Warn | Alert the player, log the violation |
| ๐ช | Kick | Immediate disconnect |
| ๐จ | Ban | Permanent, automatic |
| โฉ๏ธ | Setback | Silent teleport to last safe position |
๐ฅ๏ธ Web Dashboard
A local admin panel at 127.0.0.1:8765:
- Live TPS and MSPT โ server performance at a glance
- Player profiles โ violations, evidence, recent incidents
- Quick actions โ reset violations, toggle whitelist, no commands needed
- Incident feed โ review flags with context
๐ Integrations
๐ฃ Staff Alerts โ Every flag reaches OP2+ in real time, with cooldown protection.
๐ฌ Discord Webhook โ Rich embeds with full details. One line in config.
๐ Evidence Store โ Compact review packets for every flag, saved persistently.
๐๏ธ History โ Per-player violation log that works offline.
๐ Event API โ PraxicViolationEvent for custom mod integrations.
๐ฅ REVEX โ Escalation Addon
Graduated punishment system built on top of PRAXIC.
Warn โ 15 min โ 1 hour โ 1 day โ permanent. Fully automatic.
๐ฌ Commands
| Command | Description |
|---|---|
/praxic status |
Module overview |
/praxic stats |
Session flags, top checks, top players |
/praxic check <player> |
Player violations |
/praxic violations |
Server-wide overview |
/praxic evidence [player] |
Review evidence packets |
/praxic reset <player> |
Clear a record |
/praxic reload |
Hot-reload config |
/praxic whitelist add|remove|list |
Bypass for trusted players |
/praxic history <player> |
Persistent log โ works offline |
All commands require OP level 2.
๐ Setup
-
Install Fabric Loader + Fabric API for 1.21.1
-
Drop the jar into
mods/ -
Start the server โ done.
Config generates at config/praxic.json. Apply changes with /praxic reload.

Open source ยท Apache 2.0 ยท Source Code ยท Report a bug
Active development โ detection improves with every release.


