Kagi Search 作者： Sandro Linux

An extension which makes your default search Kagi and adds a custom new tab page and redirects you to kagi.com if you go to Google, DuckDuckGo, Bing, Yahoo, Yandex, Baidu or Sogou. Thank you to the team at Kagi for making this possible!
The Github Repo: https://github.com/SandroLinux/kagi-firefox-extension