Freedom251 › Minecraft anti-cheat plugins
Themis Anti Cheat
What Themis Anti Cheat is
Themis Anti Cheat is a free anti-cheat plugin for Minecraft servers running Spigot or Paper. It supports Minecraft versions 1.17, 1.18, 1.19, 1.20, 1.20.6, and 1.21, with a stated range of 1.17.0–1.21.10. Detection covers movement, combat, and packet behavior. Listed checks include Fly, Elytra Fly, Jetpack, Speed variants, Blink, Reach, KillAura with increased reach, NoFall, Step, Timer, Boat Fly, Boat Speed, Climb or Spider, WaterWalk or Jesus, and OnGround Speed. The plugin also looks for illegal packets, spoofed packets, and irregular horizontal or vertical movement. Operators can block hacks, drag players back, run configurable commands, send detection notifications, or use silent mode. Replay analysis is supported for reviewing activity. The Free plan costs nothing and is described as a free anti-cheat plugin. No paid server limit is documented. The plugin is distributed through its SpigotMC resource page, which is the listed website.
Who it suits
It suits Minecraft server operators using Spigot or Paper who need detection for movement, combat, and packet violations. It covers the listed 1.17.0–1.21.10 range.
What it does well
- Free plugin with 0.00 USD listed price
- Supports Spigot and Paper servers
- Covers movement, combat, and packet checks
- Configurable enforcement responses
- Replay analysis available
What to know first
- Only Spigot and Paper platforms listed
- Supported versions limited to stated range
- No paid server limit documented
Plans
| Plan | Billed and limits | Price |
|---|---|---|
| Free | Free anti-cheat plugin · No paid server limit documented | Free |
As spigotmc.org lists them, read 19 Sept 2026. The maker's own page has the final word.
Getting started
- Open the Themis Anti Cheat SpigotMC resource page
- Use a Spigot or Paper server on a supported Minecraft version
- Install the free anti-cheat plugin
- Configure detection responses such as commands, notifications, or silent mode
- Use replay analysis to review detected activity
Verdict
Themis Anti Cheat provides broad listed checks and several configurable responses at no charge. Server operators should confirm that their platform and Minecraft version fit the stated support range.
Questions
How much does Themis Anti Cheat cost?
The Free plan costs nothing and is described as a free anti-cheat plugin.
Which server platforms are supported?
Themis Anti Cheat supports Spigot and Paper servers.
Which Minecraft versions does it support?
Listed versions are 1.17, 1.18, 1.19, 1.20, 1.20.6, and 1.21, with a stated range of 1.17.0–1.21.10.
What kinds of violations does it detect?
It detects listed movement and combat behaviors, including Fly, Speed variants, Reach, KillAura with increased reach, NoFall, Blink, and WaterWalk/Jesus. It also checks illegal or spoofed packets and horizontal or vertical movement.
What actions can follow a detection?
The plugin can block hacks, drag players back, run configurable commands, send detection notifications, and use silent mode.
Does it support replay analysis?
Yes. Replay analysis is included.
Where Themis Anti Cheat stands on Freedom251
- Minecraft anti-cheat plugins#36 of 53
- Minecraft Anti-Cheat Plugins#45 of 57