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AltChecker

AltChecker

AltCheck is focused on privacy and security. It provides tools to manage and verify accounts, with a comprehensive set of features to ease server administration while keeping sensitive data private.

38downloads
0followers
38downloads
0followers

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Details

Licensed GPL-2.0-only
Published 2 months ago
Updated 4 months ago
All versions

1.0

Release
AltChecker 1.04 months ago 36
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Compatibility

Minecraft: Java Edition
1.21.1
Platform
Fabric
Supported environments
Dedicated servers only

Changes

Features

  • Track player login IP usage over time
  • Detect potential alts via shared IP relationships
  • View grouped IP links and player history
  • Session tracking (join/leave durations, online/offline status)
  • Risk scoring (VPN + behavioral signal blend)
  • Permission-based command access
  • IP masking in chat with optional hover/click reveal (altcheck.view.ip)
  • Admin utilities for hide/purge/cleanup/statistics

Commands

Core

  • /altcheck trace <player> - Trace linked accounts for a player
  • /altcheck lookup <ip> - Find players associated with an IP
  • /altcheck history <player> - Show player IP history
  • /altcheck list - Show grouped shared-IP relationships

Investigation (inv)

  • /altcheck alts <player> - Show alternate accounts
  • /altcheck ip <player> - Show known IPs for a player
  • /altcheck sessions <player> [page] - Show session history (paged)
  • /altcheck score <player> - Show risk score breakdown

Admin

  • /altcheck purge <player> - Delete a player's stored data
  • /altcheck hide <player> - Toggle player visibility in results
  • /altcheck cleanup - Remove old records
  • /altcheck stats - Show database statistics

Help

  • /altcheck help - Show commands you can access
  • /altcheck help core
  • /altcheck help inv
  • /altcheck help admin

Permissions

Notes:

  • Access is controlled by Fabric Permissions API.
  • Command visibility in help is permission-aware.
Permission Description Suggested Level
altcheck.use Base access to root command 2
altcheck.trace Use trace command 2
altcheck.lookup Use lookup command 4
altcheck.history Use history command 4
altcheck.list Use list command 4
altcheck.alts Use alts command 2
altcheck.ip Use ip command 4
altcheck.sessions Use sessions command 4
altcheck.score Use score command 2
altcheck.purge Use purge command 4
altcheck.hide Use hide command 4
altcheck.cleanup Use cleanup command 4
altcheck.stats Use stats command 2
altcheck.view.ip View hover/click full IP instead of masked-only 4