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Working on a re-code, it will include 1.8 - 1.17 compatibility, more checks, better performance and more features so updates will slow down. I will try to add a few new checks while I'm working on that though. You can see progress here https://trello.com/b/R2LLkjzg/flappyac-rewrite
Dev builds for full release are available here
IP: test.flappyac.com
MC Version: 1.17.1
AC Version: Latest dev build
This is currently mostly for testing the base I've made to make sure there are no bugs, once I've done that i will add more checks
Introduction
Flappy Anticheat is an anticheat I am making, it currently uses events but I'm going to use packets eventually. I will do my best to fix false positives and bypasses. I aim to make this anticheat highly customizable through the config so every message and check will be customizable.
This should work 1.8 - 1.17 but its only tested on 1.16/1.17
Checks
- GroundSpoof A
- Fly A
- BadPackets A-D
- BlockPlace A-B
- SkinBlinker A
- ForceField A
- Speed A
- Reach A
- HighJump A
- Timer A
- Inventory A
Known Falses
- BadPackets B: Just can happen if the player has a bad internet connection (Cant be fixed)
- Speed A: By slime launching
- Speed A: By eating and jumping up blocks
Features
- Reset violations command
- Violations reset every 5 minutes (Can change in the config)
- Violation/Punishment Log
- Reset Violations command
- Customizable config
Planned Features
- More checks
- Ban wave
- ViaVersion compat
- View player profile command (player client brand, violations etc)
- GUI for enabling checks etc
- Lag back feature/cancel??? Could be an extension
- Proper 1.8 - 1.17 support possibly
- Alert interval
- Max ping (add with pingspoof check)
- Possibly customizable buffer
- Discord integration
- Stop certain client brands joining
- Include ban config for easy switch, could be on discord or with download
- Maybe create a website that lets you edit the config easily (change from kick punishments to ban punishments quickly)
- Better way to get values from config
- 1.17 support
How to use the API
This is my first anticheat so if there are any problems please let me know on my discord server or make an issue on the github repo before making a review https://discord.gg/wVCSqV7ptB 
