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Open the disk image
Double-click Tern-0.3.0.dmg in your Downloads folder.
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Drag Tern to Applications
That's the whole install. You can eject the disk image afterwards.
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Open Tern and bring your browser
Tern offers to bring over your Spaces, pinned tabs and folders. Then make it your default browser in Settings.
macOS 26 or later
One app for Apple silicon and Intel Macs.
Signed and notarized
Built with our Developer ID and checked by Apple, so it opens without warnings.
Updates itself
Tern looks for a new version once a day and asks before installing. What's new
Your own Claude key
The agent runs on Claude with an API key from the Claude Console. It stays in your Keychain.
SHA-256 c1b22362044489b52145a42b44c4f903adf1dec7f4510605aaa0ff3664a32119