HeartGuard
Java mod listed for Minecraft 1.21. Downloads from the MC Java Mods app on Android.
HeartGuard — Anti-Dupe & Heart Integrity for Lifesteal Stop heart duping on your Lifesteal server — without false-banning your players. HeartGuard…
⬇ Download on ModrinthHeartGuard — Anti-Dupe & Heart Integrity for Lifesteal
Stop heart duping on your Lifesteal server — without false-banning your players.
HeartGuard recognizes your server's real hearts, gives each one an unforgeable signature and serial, and removes forged or duplicated hearts before they wreck your economy. Built to run alongside your Lifesteal plugin (verified with LifeStealZ), with a safety-first "dry-run" mode so you can turn it on without fear of hitting legitimate players.
Features
- Heart forgery protection (unforgeable PDC signature)
- Duplicate detection (unique serial per heart)
- Recognizes YOUR hearts via config (LifeStealZ preset included)
- False-positive-safe: dry-run, per-world disable, bypass permission, whitelist
- Audit log of every detection
- Performance-conscious: no world-wide container polling
Not a general anti-cheat/anti-crash — focused on Lifesteal heart dupe/forgery.
Commands
/heartguard status | dryrun on|off | reload | sign
Support & feedback: https://discord.gg/u68qk7c27
Early release — feedback welcome!
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- Edition: Minecraft Java
- File type: .jar
- Minecraft versions listed: 1.21, 1.21.1, 1.21.2
- How to install: Install the matching mod loader (Forge, Fabric or NeoForge) for your Minecraft version. → Download the .jar. → Put it in the .minecraft/mods folder and launch that loader profile.
- Where to get it: Opens on Modrinth — not every file is mirrored on our own servers.
Install steps are the general flow for this file type — How to install Minecraft Java mods & modpacks walks through it step by step.
- Ships as HeartGuard-0.1.0.jar — drop this file into the mods folder
- Download size: 30 KB
- Download link checked 28 Sept 2026 — working
These come from our own check of the pack file, not from the source page.