Maccy is a good clipboard manager. It's open source, it's light, it's fast, and a lot of people swear by it. I paid for it anyway. The convenient build is a paid Mac App Store app, so the open-source label didn't save me the ten dollars unless I wanted to clone the repo and build it by hand. And once it was running, the wish was always for one more thing. Not just remember what you copied, but help you do something with it.
That's the gap this article is about. If all you want is a flat, keyboard-driven list of your last few hundred copies, Maccy is excellent and it's lighter than what we ship. But if you've ever copied a screenshot and wished the text inside it were searchable, or copied a paragraph and wished you could clean it up without pasting it into ChatGPT, the history is only half the job. ToolPiper keeps the fast searchable history and puts AI text transforms in the same app, so the thing you just copied can be rewritten, summarized, or reformatted in place - on your Mac, with nothing leaving the machine.
What does a Maccy alternative need to do?
A Maccy alternative needs to match Maccy's core - fast searchable clipboard history with keyboard navigation - and then add the capabilities Maccy doesn't have - auto-categorization, image OCR, source tracking, and a way to act on copied text instead of only recalling it.
Maccy is single-purpose by design, and that's a real strength. It does clipboard history and nothing else, which is why it's small and quick. The trade-off is that the moment your need grows past "show me my last copies," you're reaching for a second app. A clipboard manager that earns the switch has to cover Maccy's table stakes first, then give you a reason to consolidate.
The table stakes: a history that persists across launches, search that finds an item from a fragment, and keyboard shortcuts so you never touch the mouse. ToolPiper does all three. History holds 200 items by default and is configurable from 50 up to 2000. Search is fuzzy across the text, any OCR-extracted text, the source URL, and the source app. The history survives quitting and relaunching. So far, parity.
How is ToolPiper different from Maccy?
ToolPiper adds 8-type auto-categorization, image OCR, source-app and browser-tab tracking across 7 browsers, and pinning to the clipboard history, and it lives in the same app as AI text transforms and text snippets - so copied text can be rewritten or summarized in place rather than only recalled.
Start with how the history is organized. Every item ToolPiper captures gets sorted into one of eight types: text, URL, email, code, JSON, file path, color value, or number. You can filter the history by type, which matters more than it sounds once your history is a few hundred items deep. Hunting for that one hex color you copied an hour ago is a filter, not a scroll.
Copy a screenshot and the text inside it becomes searchable. ToolPiper runs image OCR through Apple's Vision framework on anything you copy as an image. A screenshot of an error dialog, a photo of a whiteboard, a chart with a caption - the text is extracted and indexed alongside your regular entries. Maccy stores the image. ToolPiper stores the image and makes the words in it findable.
Then there's where the copy came from. ToolPiper records the source app for every item, and for browser copies it captures the tab URL across Safari, Chrome, Firefox, Arc, Brave, Edge, and Vivaldi. When you're trying to find "that thing you copied from that article," the source URL is right there. You can search by it. Pinning keeps the items you reuse constantly at the top instead of letting them age out of the list.
None of that is the headline, though. The headline is that the clipboard history sits in the same menu bar app as AI text snippets and a text expander. Recall and action stop being two different apps. You can read more about how the whole stack fits together in our clipboard manager and AI snippets overview.
Why does AI in the same app matter?
Because the text you copy is usually text you want to do something with. With clipboard history and AI transforms in one app, you can select copied text and rewrite, summarize, or reformat it without switching to a separate tool or a cloud chatbot.
A clipboard manager remembers. That's the whole contract, and Maccy honors it well. But remembering is the start of a task, not the end of one. You copy a clunky sentence because you want to fix it. You copy three bullet points because you want them rewritten as a paragraph. You copy a wall of text because you want the gist.
ToolPiper's action snippets close that loop. Select text anywhere in macOS, tap the right Command key (a press and release under 250 milliseconds), and the selected region is replaced by an AI transform. There are 12 bundled ones. ;fix, ;formal, ;casual, ;concise, ;expand, ;simplify, ;bullets, ;summary, ;tldr, ;active, ;email, and ;rewrite. You can chain them - ;fix ;formal runs in document order, up to four stages - and if any stage produces empty output the chain aborts and leaves your selection untouched.
The transform tries Apple's on-device model first through the Foundation Models framework. For longer text or inputs the on-device model declines, it falls back to ToolPiper's local LLM over loopback. The text never leaves your Mac, and you can confirm that by watching network traffic while a transform runs. That's the difference between a privacy promise and a privacy fact - one asks you to trust a policy, the other you can check with a packet inspector.
Is ToolPiper a good Maccy replacement?
Yes. ToolPiper's clipboard history covers everything Maccy does - fast fuzzy search, keyboard shortcuts, configurable history size, persistence across launches - and adds auto-categorization, image OCR, source-app and browser-tab tracking, and pinning, while living in the same app as AI text transforms and snippets.
If you only use Maccy for its history, ToolPiper is a direct swap that gives you strictly more in that one job. You don't lose the keyboard-first workflow. You gain category filters, searchable OCR text, and source tracking. The snippets and the dictation are there if you want them and invisible if you don't.
One honest note on cost, because it's the thing that surprised me. Open source does not always mean free in practice. Maccy's source is free to build, but the ready-to-run App Store build is paid. ToolPiper is a free download as a DMG. It isn't on the Mac App Store because it uses Accessibility and CGEvent APIs that the App Store sandbox doesn't allow - the same reason TextExpander, Raycast, Alfred, and Keyboard Maestro all ship outside it.
Does the clipboard history store passwords?
No. ToolPiper skips concealed, password, one-time-password, and transient pasteboard items, so password-manager autofills never land in the history. The app-ignore list also defaults to 1Password, Keychain, LastPass, and Dashlane for clipboard capture.
macOS marks certain pasteboard writes as concealed or transient - password managers use this when they autofill a field. ToolPiper reads that flag and skips those items, so your history doesn't quietly accumulate secrets. You get the convenience of a long history without the liability of a credential sitting in plain text three hundred items back.
When is Maccy the right call?
Maccy is the right call when you want a tiny, single-purpose clipboard list and nothing else. It's lighter than ToolPiper, it's open source, and it's well-loved for being exactly one thing done well.
We're not going to pretend Maccy is the wrong choice for everyone. If your needs are "show me my recent copies, fast, with a keyboard shortcut, and stay out of my way," Maccy is a smaller download doing precisely that. It carries no AI engine, no OCR pipeline, no snippet system - which is the point. Less surface area, less memory, fewer permissions to grant.
The intercept here is about capability, not quality. ToolPiper makes sense when the clipboard is the start of a task and you'd rather not run a second and third app to finish it. Maccy makes sense when the clipboard is the whole task. Pick the one that matches the shape of your work.
How do you switch from Maccy to ToolPiper?
Download ToolPiper as a DMG from modelpiper.com, grant Accessibility permission on first launch, and clipboard history works immediately - no import needed since clipboard history isn't a file you migrate.
There's no clipboard export to move over, because clipboard history is ephemeral by nature - you start fresh and the new history fills in as you work. The one thing worth bringing is your snippet library, if you have one. ToolPiper imports snippets from TextExpander (.textexpander), Raycast (JSON), and CSV, so a text-expansion setup comes along even though the clipboard history doesn't need to.
On first launch macOS asks for Accessibility access. That's what lets ToolPiper watch for snippet triggers and inject expanded or transformed text. Grant it once. Clipboard history and static snippets work the moment it's granted. The AI transforms and push-to-talk dictation run on ToolPiper's local models, which the same app provides - no separate setup.
What ToolPiper doesn't do
ToolPiper has no cross-device sync. Your clipboard history and snippets live on the Mac they were created on. Maccy doesn't sync either, so this isn't a regression against Maccy specifically, but if cross-device sync is a hard requirement, a cloud tool will serve you better.
It's also heavier than Maccy. Maccy is one job. ToolPiper carries an inference stack for the AI features. If you genuinely only want a clipboard list and want the smallest possible footprint, that weight buys you nothing and Maccy is the better fit.
Snippet expansion works in standard text fields but some apps render text in non-standard ways - certain terminals, some Electron apps - where injection may not fire. Clipboard history and AI transforms still work there, and you paste manually instead of getting auto-expansion. And semantic snippet dispatch, where a paraphrase routes to the right snippet automatically, is planned, not shipped. Today triggers are explicit.
Get ToolPiper
ToolPiper is a free download from modelpiper.com (DMG). Requires macOS 26 or later and Apple Silicon (M1+). Clipboard history and static snippets work standalone, and AI transforms and dictation run on ToolPiper's local models.
This is part of our series on local clipboard and text workflows on macOS, under the pillar on local-first AI on macOS. Next up, a local-AI alternative to Raycast - the same idea, applied to launchers instead of clipboard managers.