DuckyAntiCheat

Spec sheet

Purpose

DuckyAC is a lightweight, modular, configurable anti-cheat plugin for Spigot and Paper Minecraft servers.Read 7 Oct 2026 · github.com

Support

The README directs users to Discord or GitHub issues for bugs and suggestions.Read 7 Oct 2026 · github.com

License

The project is licensed under GPL-3.0, which the README says permits use, modification, and redistribution under that license.Read 7 Oct 2026 · github.com

API limitation

Checks registered by external add-ons are runtime-only and are cleared when the plugin or server reloads.Read 7 Oct 2026 · github.com

Checks

Listed checks include air jumping, flying, fast climbing, fast block placement, reach, hitting through blocks, and timer manipulation.Read 7 Oct 2026 · github.com

Configuration

The plugin provides configurable check enablement, thresholds, punishments, and violation levels.Read 7 Oct 2026 · github.com

Coverage note

The maker recommends using DuckyAC alongside Vulcan and GrimAC for broader cheat detection coverage.Read 7 Oct 2026 · github.com

Detection

It detects suspicious behavior involving movement, block placement, combat interactions, and packet timing.Read 7 Oct 2026 · github.com

Detection coverage

The README recommends running DuckyAC alongside Vulcan and GrimAC for broader cheat detection coverage.Read 7 Oct 2026 · github.com

Developer API

External plugins can use the Bukkit services API to inspect checks and violation data, report violations, apply punishments, and listen for events.Read 7 Oct 2026 · github.com

Discord integration

Optional Discord webhook settings can send violation and punishment messages; the sample configuration has this integration disabled by default.Read 7 Oct 2026 · github.com

Extension limit

Checks registered by external add-ons are runtime-only and are cleared when the plugin or server reloads.Read 7 Oct 2026 · github.com

Installation

Installation consists of placing the plugin JAR in the server's plugins folder, starting the server, and configuring the generated config file.Read 7 Oct 2026 · github.com

Staff alerts

Authorized staff can receive alerts in chat, and alerts can also be sent to the console.Read 7 Oct 2026 · github.com

Staff controls

Permission settings support full or per-check bypasses and alerts for authorized staff.Read 7 Oct 2026 · github.com

Violation tracking

A violation-level system tracks repeated offenses and can trigger configured commands after a check reaches its alert threshold.Read 7 Oct 2026 · github.com

Where Specifiction places it

• Minecraft Anti-Cheat Plugins#32 of 577.0
• Minecraft anti-cheat plugins#36 of 536.7