Vigil is a free beta and isn't signed with an Apple Developer ID yet, so macOS asks you to approve it once. The whole thing takes about a minute.
Grab the build for your Mac (Apple Silicon or Intel), open the dmg, and drag Vigil into Applications.
Double-click Vigil in Applications. Because the beta is unsigned, macOS shows this alert. Click Done, not Move to Trash.
On macOS 14 and earlier you can skip ahead: right-click Vigil → Open → Open.
Apple could not verify “Vigil” is free of malware that may harm your Mac or compromise your privacy.
Open System Settings → Privacy & Security, scroll to the Security section, and click Open Anyway next to the Vigil notice. macOS asks you to confirm (Touch ID or password), and that's the last time it asks.
“Vigil” was blocked to protect your Mac.
Vigil settles into the menu bar. Claude Code and Codex are auto-detected; hooking them up is one click in Settings, and status goes live on the next agent event.
Vigil checks for new versions quietly and lights an update arrow in the menu bar when one is out. Download the new build, drag it over the old one in Applications, and if macOS asks again it's the same Open Anyway once. One-click updates arrive when the app is signed.