I want to know exactly

 
I want to know exactly, are the best programmer on this forum allowed to publish trading signal ?
 

Sure! The worst programmers are also allowed.

Why not read the rules and terms? https://www.mql5.com/en/signals/rules#part_II

Rules for copy trading in MetaTrader 4 and 5 - the Trading Signals service
Rules for copy trading in MetaTrader 4 and 5 - the Trading Signals service
  • www.mql5.com
The "Signals" section on MQL5.com is designed to monitor trading results and transmit trading signals based on buy/sell transactions performed in the trading account of the Signals Provider. The "Signals" service is available for use only to mql5.com registered Users who accepted and agreed to be bound by the terms and conditions of the Signals...
 
Chris Lazarius:
I want to know exactly, are the best programmer on this forum allowed to publish trading signal ?

I would suggest you to choose the best trader instead.

Reason: