Create new API token for account

https://id.atlassian.com/manage/api-tokens

Export environment variables

export JIRA_URL=<url>
export JIRA_USERNAME=<username>
export JIRA_TOKEN=<token>

Install plugin

Add to ~/.tmux.conf following line

set -g @plugin 'mkasprzyk/tmux-jira'

Shortcuts

<prefix> j #Load sessions for assigned tickets
<prefix> J #Clear all loaded sessions