Show HN: Cue – a macOS writing assistant that runs on your Mac

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Cue for macOS - Know what to say, in every app you type in

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Cue

Know what to say.

Available

macOS 13 or later<br>Menu-bar app

Download the free trial<br>Buy Cue

Apple silicon and Intel &middot; Developer ID notarized &middot; Watch it &middot; Screenshots &middot; What is new &middot; Privacy

Overview

Cue lives in your menu bar and works where you already write: WhatsApp, Messages, Mail, Slack, and any other app with a text field. There are two gestures and no third one to learn. Press one shortcut and a small panel opens next to your cursor with your actions in it, Rephrase, Polish, Formal, Casual, Shorten, Translate, and any action you have written yourself. Press the other and Cue skips the panel entirely, writing straight into the field you are already typing in.

What no other assistant does is remember across conversations. Cue quietly learns the people you talk to, how each of them writes, and the facts of your own week, and then uses all of it everywhere. Promise a friend a movie tomorrow at eight in WhatsApp, and when someone else asks in a different app whether you are free then, Cue already knows to say you are busy and to offer another time. Only your own facts travel between chats. What one person told you stays in their conversation.

None of that happens behind your back. Every reply shows its receipts: which memories it used, whose voice it matched, and what part of your schedule it read. Generation is visible too, with the edge of the panel lighting up while the words stream in. You bring your own key for Anthropic, OpenAI, or Google Gemini, point Cue at any OpenAI-compatible endpoint, or run it fully local with Ollama. Keys are kept in the macOS Keychain, and the memory itself never leaves your Mac.

Demo

One minute, and you will know whether you want it.

Features

It already knows the context.

Two gestures, and that is the whole app

One shortcut opens the panel beside your cursor: press Return for the main action, or a number for any of the rest. The other shortcut opens nothing at all and writes the reply straight into the field you came from. Cue never asks you to leave the conversation you are in, and it never opens a window you have to copy out of.

A memory that crosses conversations

Most assistants forget the moment the window closes. Cue keeps a memory of the people you talk to and the facts of your own life, and carries it into every app. Tell one person you have plans tomorrow at eight, and when another person asks about tomorrow evening, the answer already accounts for it. The memory is browsable, editable, and yours to delete a line at a time.

Every reply shows its receipts

Under each result Cue lists exactly what went into it: how many messages it read, whose voice it matched, which remembered facts it used, and what it knew about your schedule. An eye icon shows the raw context it pulled from the app. Nothing about the reply is invisible, so you always know why it said what it said.

Actions you write yourself

Rephrase, Polish, Formal, Casual, Shorten, and Translate come built in. Add your own beside them, each with its own instruction, its own model, and its own shortcut, so the one you use twenty times a day is a single keystroke away.

You can watch it write

Nothing spins in place while you wait. The edge of the panel lights up as the request goes out, and the reply streams in word by word, so you can start reading before it finishes and press Escape the moment you know it is wrong.

Bring your own key

Anthropic, OpenAI, Google Gemini, or any OpenAI-compatible endpoint, and Ollama if you would rather run a model on your own machine and stay offline. Keys are stored in the macOS Keychain, requests go straight from your Mac to the provider, and there is no server of mine in the middle.

It reads the room

Cue takes the conversation from the app itself, through the Accessibility API: who you are talking to, the recent messages, and your draft. No screenshots and no scraping of the screen. It recognizes WhatsApp, Messages, Mail, and Slack by name, and falls back gracefully in everything else.

The memory stays here

Everything Cue remembers is a file in your own Library, on your own Mac. It is never uploaded, never synced to a service of mine, and never used to train anything. Password fields are refused outright: the panel will not even open over one.

Small and native

A menu-bar app of a few megabytes, written for macOS with the platform's own tools. Developer ID signed and notarized, universal for Apple silicon and Intel, and requires macOS 13 or later.

Screenshots

Pause, and the rest of the sentence is already there.<br>One key takes a word. Another takes the rest.<br>Red for a mistake, blue for a clumsy phrase.<br>Hold until the circle fills, and every fix lands at once.<br>A short note on everyone you write to.<br>A whole reply, written from the conversation behind it.<br>Download a model and Cue runs it inside itself.<br>Password fields, terminals and...

macos already panel reply never know

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