Based on this request from BoomScoom: https://www.spigotmc.org/threads/2-block-1.85739
Command Term Block
Block commands or terms in a command.
Commands/Permissions:
commandtermblock.reload - Access to /reload-ctb.
commandtermblock.bypass - Bypass the term block filter if enabled in the config.
Configuration:
Code (Text):# Specify the terms you wish to block here.
blocked-terms:
- "-1"
# If you want players with the permission commandtermblock.bypass to bypass the term filter, set this to true.
permission-bypass: true
# If you want to ignore the block-terms-in-commands list, set this to true.
block-in-all-commands: false
# Specify the commands you want to block terms in.
block-terms-in-commands:
- buy
# Specify the commands you want to block fully. commandtermblock.bypass does not affect this.
blocked-commands:
- op
GitHub: https://github.com/xenryjake/CommandTermBlock

CommandTermBlock 1.0
Block terms in specified commands, or block specific commands.