Mac app

Miss Lucy for Mac

Your matters, your documents and her reasoning — together in a single native window. The finest way to work with Miss Lucy.

Version 1.0.2 · macOS 26 or later · ~4 MB

Miss Lucy's native Mac app in light and dark mode — sidebar, chat with live reasoning, and the assistance pane in a single window
Miss Lucy's Mac sign-in with the Touch ID passkey prompt — no password field in sight
Passkeys

Sign in with your fingerprint

Sign in with Touch ID and never type a password again — passkeys can't be phished, guessed or reused, and they work with the same account you use on the web.

A macOS notification from Miss Lucy announcing finished research, with the completed citations appendix behind it
Long-Running Tasks

She tells you when she's done

Set her off on deep research and get back to your work. When a long task finishes you hear a soft chime, a notification arrives, and — if you turn it on — she reads you a short spoken summary of what she found, in her own voice. Quick replies stay quiet.

Miss Lucy's reasoning panel opened out, showing her working above the answer
Chain of Thought

Her reasoning, there when you want it

Her thinking is hidden above the answer until you open it. The answer comes first, and one click opens up how she got there. It stays out of your way until you ask for it.

A research run in Miss Lucy's Mac app with eleven completed steps showing green ticks and one still running
Live Progress

Watch each step finish

Every step shows up as it happens — case law searched, statutes read, citations checked — each earning a green tick as it completes, so you always know exactly where she is.

Dictation active in the Mac app — live waveform and timer in the chat input while a query is spoken
Voice

Brief her like a colleague

Hold the mic and talk through the matter the way you'd brief a junior — pauses, tangents and all. She turns it into a clean written query, and a loudspeaker on every reply reads her answer back to you.

Miss Lucy's Mac app in dark mode — native sidebar, sharp message bubbles and the assistance pane
Built for macOS 26

Built to look and feel like a Mac app

Sharper bubbles, a calmer layout and Apple's newest design language throughout — glass toolbars, a native sidebar and proper dark mode. It feels like the Mac because it is built like the Mac.

On your desk in under a minute

Open the DMG

Drag Miss Lucy into your Applications folder and launch her.

No warnings

The app is notarised by Apple — it opens cleanly, no Gatekeeper hurdles.

Always current

Updates install themselves. You never need to come back to this page.

Version 1.0.2 · macOS 26 or later · ~4 MB

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