Ranks & Permissions
Manage rank prefixes, suffixes, weights, permission nodes, and flags in one integrated system.
RANK MANAGEMENT ↗ HYDROGEN CORE / VERSION 1.2.0
Everything your server needs.
One powerful core.
Ranks, permissions, moderation, chat, and player profiles — brought together in a modern core for Paper Minecraft servers.
1Unified server core
3Storage backends
4Staff chat channels
47Passing build tests*
THE TOOLKIT
Built to run your world.
Focus on your community. Hydrogen handles the foundations that keep your Minecraft server organized and manageable.
Grants & History
Give players permanent or timed ranks, with history tracking and hierarchy-aware controls.
GRANT MANAGEMENT ↗Moderation Suite
Ban, mute, blacklist, kick, warn, and review moderation history with built-in staff tooling.
PLAYER MODERATION ↗Chat Management
Customize rank and tag formatting, chat filters, slow mode, broadcasts, and blocked commands.
CHAT EXPERIENCE ↗Player Tags
Let your community select cosmetic chat tags through an intuitive in-game menu.
PERSONALIZATION ↗Staff & Utilities
Dedicated staff channels, freeze tools, announcements, and useful everyday server commands.
ADMINISTRATION ↗FLEXIBLE BY DESIGN
Start simple.
Scale when you're ready.
Use local file storage for a single server with no database service required. Running a network? Choose MySQL or MongoDB as your shared persistence backend, and optionally enable Redis for cross-server staff messaging.
FILE STORAGEMYSQL / MARIADBMONGODBOPTIONAL REDIS
For network installations, share a supported database and use distinct server names. File storage is intended for standalone servers, not shared network folders.
● ● ●plugins/Hydrogen/config.yml
# Choose one persistence backend storage: type: file # Optional network messaging redis: enabled: false # Standalone by default. # No database required.
DOCUMENTATION
From installation to operation.
Get started quickly and learn the system, whether you're running one server or planning a connected network.
01
Install Hydrogen
Requirements, first launch and deployment notes.
→02Storage & Networks
File, MySQL, MongoDB and optional Redis.
→03Commands & Permissions
Rank management, staff tools and reference guides.
→Full documentation pages are being prepared from the repository's existing wiki. The comprehensive documentation will be published before launch.
CURRENT RELEASE
Hydrogen 1.2.0
Paper 26.2 · Java 25 · Standalone & Network Core
The release artifact currently lives in a private repository. Public distribution is not yet configured. Don't share the source repository to publish downloads.
RELEASE STATUSDistribution pendingRelease notes →
*Test counts are from the repository's build report, not production uptime or deployment validation. Hydrogen is based on the original Plasma Services plugin.