The Caps Lock Key Finally Does Something Useful
I've had Caps Lock physically disabled on every keyboard I've owned for years. It exists to make you accidentally SHOUT IN EMAILS. That's it. Or at least that's what I thought before LacPointer repurposed it for something I actually reach for ten times a day.
The feature is called Wand. Press Caps Lock while hovering over anything on your screen — an error message, a code snippet, a dense paragraph in a PDF, a UI label you've never seen before — and LacPointer gives you an immediate AI explanation of whatever is under your cursor. No copy, no paste, no tab switch, no opening a new chat. Just hover and press.
What "Under Your Cursor" Actually Means
The first time I used Wand I expected it to be shallow — like, it'd read the word I was pointing at and give me a dictionary definition. It's smarter than that. It uses accessibility APIs to pull the surrounding context, not just the single element you're hovering on. So if your cursor is sitting on a gnarly TypeScript error, Wand reads enough of the surrounding code and error message to give you a real answer about what went wrong and how to fix it — not just a definition of TS2345.
Same thing with UI elements. Hovering over an unfamiliar setting in some app? Wand explains what it does in plain English. Hovering over a chart label in a dashboard you inherited from a coworker? It'll tell you what it's measuring. It's the kind of thing I used to handle by alt-tabbing to a browser, typing a search, skimming three Stack Overflow answers, and then losing my train of thought entirely.
Copy Mode: The Quiet One That Does a Lot of Work
Alongside the hover trigger, Wand has a second mode called Copy Mode. When you turn it on, LacPointer watches your clipboard passively. Every time you copy something — any text, anywhere — it automatically runs an AI explanation on it without you pressing anything at all.
This sounds like it might get annoying fast, and I had that worry before I tried it. In practice it doesn't get in the way. The explanation appears in LacPointer's panel, not as some intrusive popup that blocks what you're doing. If you copied something and don't care about the explanation, you just ignore it. But when you copy a SQL query you're trying to understand, or a config block from a GitHub issue, or a regex pattern that someone handed you with no context — having the explanation already sitting there before you've even thought to ask for it is genuinely useful.
I use Copy Mode most when I'm doing code review. I'll copy a block of logic that seems off, and by the time I've scrolled to leave a comment, the explanation is already there. It saves me the back and forth of manually asking "what does this do?"
Sharing and Pushing to Notion
Once Wand gives you an explanation, you've got a couple of options beyond just reading it. You can share the result with a teammate directly, or push it straight to Notion. The Notion push is the one I'd highlight if you're on a team that uses Notion as a knowledge base. Found a good explanation of something obscure in your codebase? One tap and it's documented. It's a low-friction way to actually build up internal documentation instead of just thinking "I should write that down" and never doing it.
This ties into LacPointer's broader design — the bar connects to Notion, Slack, GitHub, and Google Calendar, so actions you take inside it can ripple out to the tools your team already uses. Wand results aren't siloed to your own screen if you don't want them to be.
When I Actually Reach for Wand vs. Option+Space
There's a real distinction in how I use these two entry points. Option+Space opens the full LacPointer bar and I use it when I want to have a conversation, run a task, or ask something that needs a back-and-forth. Wand (Caps Lock) is for the quick, one-shot "what is this thing in front of me right now" moments.
The mental model that works for me: Option+Space is for doing, Wand is for understanding. If I'm trying to send a Slack message or create a Notion task or check my calendar, I open the bar. If I hit something I don't understand while I'm already in the middle of doing something else, I reach for Caps Lock so I don't break my flow by context-switching into a full chat session.
A Few Practical Notes
- Wand works across macOS and Windows. The accessibility API access is what makes the context-reading possible, so make sure you've granted LacPointer accessibility permissions when it first asks — that's what separates a good Wand explanation from a shallow one.
- Copy Mode can be toggled on and off inside the LacPointer settings. It's not on by default, so if you've never seen it you might not know it exists. Worth turning on for a day and seeing if it sticks.
- Wand explanations use your active persona's system prompt and model. So if you've got the Coding persona active, the explanations are going to be more terse and technical. Switch to Default if you want something friendlier. The LacPointer page has the full persona breakdown if you haven't set those up yet.
- Results can be pushed to Notion with a single tap — no configuring a separate Notion integration command, it uses the same connection the rest of LacPointer already has.
Try It on the Thing That's Been Confusing You Right Now
Seriously — open LacPointer, make sure accessibility permissions are granted, hover over whatever piece of your screen you've been meaning to look up, and press Caps Lock. That's the whole workflow. If you want Copy Mode too, flip it on in settings and then copy the next block of code you're reading through.
It's a small thing, but small things that remove friction from a dozen moments in your day add up. And repurposing Caps Lock for something useful feels right. That key was wasted for decades.
You can download LacPointer and get Wand running in a couple of minutes if you haven't already.