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ThunderPerms

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What ThunderPerms is

ThunderPerms is a permissions plugin for Paper servers. It lets administrators assign permissions to UUID-based player accounts and organize access through groups and memberships. Permission nodes can be true, false, or wildcard entries, and grants can apply temporarily or be limited to a world. Groups can inherit permissions from one another; cycle prevention and weights help control how inherited permissions are handled. Expired temporary permissions and memberships are cleaned automatically.

YAML is the default storage backend, with optional SQLite, MySQL, and MariaDB support. Administrators can check and explain permissions, inspect status, verify or repair data, and create backups. Audit logs record permission, group, repair, and backup actions. The plugin also provides an API for permission checks, explanations, user and group inspection, assignments, known groups, and storage health. It integrates with the AugmentedThunder suite and lists direct permission bridge support for StormEconomy, StormParty, and StormFactions. Safeguards include protected default and built-in admin groups, path protections, credential redaction, and safer default TLS settings for MySQL and MariaDB. ThunderPerms is free, self-hosted, licensed under Apache 2.0, and listed for Paper with Minecraft version 26.1.2.

Who it suits

ThunderPerms suits administrators of small and medium Paper servers who need player permissions, groups, temporary grants, and audit records. It can also fit plugin suites and local development servers, particularly those using the listed Storm integrations or ThunderPerms API.

What it does well

Free plugin with Apache 2.0 license.
Supports YAML, SQLite, MySQL, and MariaDB storage.
Groups support inheritance with cycle prevention and weights.
Temporary and world-scoped permission grants are supported.
Backups and audit logs cover key administrative actions.

What to know first

The listed platform is Paper.
The plugin is designed for small and medium servers.

Getting started

Open the ThunderPerms page on Hangar.
Use the plugin with a Paper server.
Choose YAML or configure SQLite, MySQL, or MariaDB storage.
Set up users, groups, memberships, and permission grants.

Verdict

Choose ThunderPerms for a Paper server that needs group inheritance, temporary or world-scoped grants, and administrative diagnostics in a free plugin. Its listed platform is Paper, so it suits servers using that platform.

Questions

How much does ThunderPerms cost?

ThunderPerms is free.

Which platform does it support?

The listing specifies Paper, with Minecraft version 26.1.2 on its version page.

Which storage backends can it use?

YAML is the default. SQLite, MySQL, and MariaDB are also supported.

Does it support temporary permissions?

Yes. Users and groups can receive temporary permissions or memberships, and expired entries are cleaned automatically.

What integrations are listed?

It supports the AugmentedThunder plugin suite and lists direct permission bridge support for StormEconomy, StormParty, and StormFactions.

What license does it use?

The Hangar listing identifies the license as Apache 2.0.

Facts from ThunderPerms's own pages

Admin safeguards: The default group and built-in admin group are protected from deletion, and operators can bypass API checks when op-bypass is enabled. · hangar.papermc.io, 3 Oct 2026
API: ThunderPerms registers an API for permission checks, detailed permission reasons, user and group inspection, assignments, known groups, and storage health. · hangar.papermc.io, 3 Oct 2026
Auditing: The plugin writes audit logs for permission, group, repair, and backup actions. · hangar.papermc.io, 3 Oct 2026
Backups and audits: ThunderPerms can back up YAML and database-backed storage and logs permission, group, repair, and backup actions. · hangar.papermc.io, 3 Oct 2026
Compatibility: The version page lists Paper as the platform and Minecraft version 26.1.2. · hangar.papermc.io, 3 Oct 2026
Diagnostics: Commands include permission checks and explanations, data verification, repair, status reporting, and backups. · hangar.papermc.io, 3 Oct 2026
Inheritance: Groups support inheritance with cycle prevention and weights to control priority between inherited permissions. · hangar.papermc.io, 3 Oct 2026
Integrations: ThunderPerms applies Bukkit PermissionAttachment entries for standard permission checks and supports the AugmentedThunder plugin suite, StormEconomy, StormParty, and StormFactions. · hangar.papermc.io, 3 Oct 2026
Intended users: The listing describes ThunderPerms as designed for small and medium Paper servers, plugin suites, and local development servers. · hangar.papermc.io, 3 Oct 2026
License: The Hangar listing identifies the license as Apache 2.0. · hangar.papermc.io, 3 Oct 2026
Permission management: It supports UUID-based player permissions, permission groups, group memberships, true and false nodes, and wildcard nodes. · hangar.papermc.io, 3 Oct 2026
Plugin integrations: StormEconomy, StormParty, and StormFactions include direct ThunderPerms permission bridge support; AugmentedThunder plugins can use its permission nodes and fall back when it is absent. · hangar.papermc.io, 3 Oct 2026
Purpose: ThunderPerms is a lightweight permissions plugin for Paper servers that manages users, groups, inheritance, wildcard permissions, temporary and world-scoped grants, backups, audits, and storage diagnostics. · hangar.papermc.io, 3 Oct 2026
Release: Version 0.1.1 adds effective-permission inspection, attachment refresh, cleanup and audit commands, and makes repair and group deletion preview-first. · hangar.papermc.io, 3 Oct 2026
Security: The listing says configured file paths are protected from directory traversal and database credentials are redacted, with safer default TLS settings for MySQL and MariaDB. · hangar.papermc.io, 3 Oct 2026
Storage: YAML is the default storage backend, with optional SQLite, MySQL, and MariaDB support. · hangar.papermc.io, 3 Oct 2026
Temporary and scoped grants: Users and groups can receive temporary permissions or memberships, and permission grants can be scoped to a world. · hangar.papermc.io, 3 Oct 2026
Temporary grants: Users can receive temporary permissions, group permissions, and group memberships, with expired entries cleaned automatically. · hangar.papermc.io, 3 Oct 2026

Where ThunderPerms stands on Freedom251

Minecraft Permissions Plugins#8 of 12