Goal of addon monitor presense of specific cookie and to recover it after clearing by javasript or by user. Addon checks cookie on each page load.
Addon configured using standart browser setting
Open about:config
in Firefox
Find property extensions.cookie-fixator.elbegemot@gmail.com.master_cookie
And set value in json format {"name":"coockie_name", "value":"coockie_value", "domains":["somedomain.com"]}
For example:
{"name":"developer", "value":"elbegemot", "domains":[ "dev.elbegemot.com", "qa.elbegemot.com", "stage.elbegemot.com"]}
Note: to apply new setting browser must be restarted.