AltChecker
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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.
Fabric is a mod loader for versions 1.14+ of Minecraft, particularly popular for client side and optimization mods.
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About
Description
AltCheck is a mod 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.
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 |
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