[eliaspro]

You might also be interested in the excellent Bugwarrior [1] which syncs issues from a wide variety of issue trackers (JIRA is amongst them) [2] to your Taskwarrior [3] database.

[1] https://bugwarrior.readthedocs.io/en/latest/

[2] https://bugwarrior.readthedocs.io/en/latest/services.html

[3] https://taskwarrior.org/