Package: gobject-introspection

"gobject-introspection" package binaries on Debian:

/usr/bin/dh_girepository /usr/bin/g-ir-annotation-tool /usr/bin/g-ir-compiler /usr/bin/g-ir-doc-tool /usr/bin/g-ir-generate /usr/bin/g-ir-scanner

You may install this package on Debian with apt-get install gobject-introspection