libindicator3-tools software package provides Tools for libindicator, you can install in your Debian 8 (Jessie) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install libindicator3-tools
libindicator3-tools is installed in your system.
Make ensure the libindicator3-tools package were installed using the commands given below,
$ sudo dpkg-query -l | grep libindicator3-tools *
You will get with libindicator3-tools package name, version, architecture and description in a table
| Distro | Debian 8 jessie |
| Section | Development |
| Package | libindicator3-tools |
| Version | 0.5.0-2 |
| Description | Tools for libindicator |
| Sub Section | Devel |