This is version WebSocketSniff but with some fixes issues.

For sniffing:
1. Open the toolbar(F12), click the tab WebSocketSniff
2. Restart the page. Messages will be shown.

Github page: WebSocketSniff

Install

• License: Mozilla Public License 2.0
• Weekly downloads: 6
• Average daily users: 87
• Rating: 4/5 of 3 ratings
• Created: 2019-07-01 15:32:55
• Last updated: 2019-10-26 06:35:10
• Homepage: https://github.com/kislenko-artem
• Support site and email
• Orig: https://addons.mozilla.org/en-US/firefox/addon/websocketsniff-fork/
• API: artem@webart-tech.ru