Let pi do it
Paste this into pi, or any coding agent. It checks pi, downloads the right build, installs it and adds the --pigna flag.
Free · MIT · macOS
For Apple silicon and Intel Macs. Version 0.9.0, released 8 October 2026. It needs pi 1.0.0 or newer.

Paste this into pi, or any coding agent. It checks pi, downloads the right build, installs it and adds the --pigna flag.
Install pi-gna for me by following the "For agents" steps in https://github.com/manuelcecchetto/pi-gna Open the disk image and drag pi-gna to Applications.
pi --pignaThen pi --pigna in any project opens pi-gna right there, with the terminal as its log.
pi install git:github.com/manuelcecchetto/pi-gna Builds are not notarized: there is no paid Apple certificate behind this project. The first time you open a downloaded copy, macOS blocks it. Click Open Anyway in System Settings › Privacy & Security, or run:
xattr -dr com.apple.quarantine /Applications/pi-gna.app pi update updates the --pigna flag.