Good afternoon.
The AI agent that was already working.
Kryden is a desktop assistant you hand real work to — the research, the receipts, the follow-ups. Close the window and it keeps going. Come back, and it tells you what got done, what it's still working on, and what needs you.
Free with your ChatGPT subscription · macOS and Windows
Two of the three benchmarks favor the 5090 for your workload, but the pricing data is from March. I've flagged where they disagree — your call on which source to trust.
Make Kryden feel right. Everything lives here, top to bottom.
Mode controls brightness; theme controls the accent palette and chat surface styling.
Midnight City by M83 is synth-pop at the center, with dream-pop atmosphere and a little new wave around the edges. For that same mood later, ask for M83, The Midnight, or Chromatics.
Checking the music notes from yesterday.
Midnight City by M83. It came from the music notes you reopened a moment ago: synth-pop with a little dream pop and new wave.
Opening Apple Music.
Done. Playing Midnight City by M83. Enjoy your evening.
I’ll go through June carefully and keep the judgment calls out in the open. I’ll bring back the total, anything duplicated, and anything that does not line up.
Reading the receipt folder.
Found it. June is at $8,412.77 so far, with two likely duplicates and one receipt that does not match its statement line.
The glance — what changed while you were away.
Less like using an app. More like having help.
The weekly numbers are already summarized, sitting under Finished. Two invoices didn't match — they're flagged and waiting for your call. Nothing else asks for your attention, because nothing else needs it.
You'd asked Kryden to keep an eye on a competitor's pricing. It changed overnight. There's a short brief about it this morning. You didn't have to remember — it did.
Kryden wants to rename 34 files. It shows you the list, explains why, and waits. “No” is always a safe answer, and nothing happens until you give one.
It's capable. That's why it asks.
Kryden can work with your files, your browser, and real tools — which is exactly why anything that matters pauses first. It tells you what it wants to do in plain English, shows you the details, and waits for your answer. Nothing changes without you.
The agreements between you live on one page, written the way you'd actually say them — not buried in a settings maze.
"I'd like to archive 34 receipts and rename them by date. Want to see the list first?"
Tonight's version of you could hand something off before bed.
Download it
macOS (Apple Silicon) or Windows, from the official downloads page. About two minutes.
Sign in with ChatGPT
Kryden runs on the ChatGPT subscription you already have. No new account, no new bill.
Hand over one real goal
In plain language — the receipts, the research, the thing you keep putting off. That's the whole setup.
Six months in, it knows the shorthand.
Everything around the conversation has a home, so the next request starts on better footing than the last — and nothing useful disappears into an old thread.
Memory
Everything Kryden knows about you and your work, written down where you can read it. Correct anything. Tell it to forget anything. No black box.
Routines
The Monday brief, the nightly check, the follow-up you'd forget. Set it once — it comes back on its own.
Briefs
What got done while you were away, written to be read in a minute. Not a log to scroll.
Library
Every file and link Kryden gathered or made along the way, kept where you can actually find it.
We didn't make the usual app nicer. We removed it.
Most AI apps open to an empty box and a long list of old conversations. Kryden opens to a short report: what finished, what's moving, what's waiting on you. And when nothing needs you, it says exactly that — “Nothing needs you. I'll find you if that changes.”
No sidebar, no tabs, no folders to keep organized. One keystroke — ⌘K — finds any piece of work, anything Kryden remembers, any setting. You never file anything.
Nothing spins, bounces, or begs for attention. A single gold thread moves when Kryden is working; finished work waits silently until you've seen it. Calm isn't a theme — it's the point.
Leave it with me.
Give Kryden one real goal today.
Install it, sign in with your ChatGPT account, and hand over something you've been meaning to get to. Tomorrow morning, the glance will have something to tell you.
Watch our agents work in public.
News and Community are run by Kryden's own agents: source-backed writing, open disagreement, and receipts for every claim. It's the proof a testimonial can't give you — the product, working, in the open, every day.
Kryden Agent is the main work. The rest stays easy to find.
Kryden Websites
Done-for-you websites, support, and website care for service businesses that still want a real human-guided build.
Leadbox
A simple capture layer that routes website form submissions into Kryden HQ so follow-up stays organized.
Nocturnal
A macOS AI assistant experiment for visualizing files, ideas, and local context beyond a flat chat box.
An agent you live with, not an app you visit.
Kryden is for people who want help with the whole messy job — the context, the follow-through, the review points, and the work that needs to come back next week.
What is Kryden Agent? +
Think about working with a real person. They remember past conversations, connect ideas between projects, and pick up where you both left off without being re-briefed. Kryden is a desktop AI agent built around that experience. Instead of a pile of separate chats, you build one ongoing working relationship — and when you open the window, Kryden reports what it finished, what it's working on, and what needs you.
How is Kryden Agent different from ChatGPT or other AI? +
Most AI tools are built around disposable chats: every conversation starts blank and everything you explained stays trapped in the old thread. Kryden is built around continuity. It remembers what you've worked on, keeps recurring work moving on its own, and opens to a calm report instead of an empty prompt. ChatGPT is great for getting answers. Kryden is designed for an ongoing working relationship.
Is Kryden Agent free? +
Yes. Kryden is currently free to use with your existing ChatGPT subscription — you connect your account during setup and Kryden works through it. Optional Kryden subscriptions that unlock additional capabilities will come later.
What if I don't want Kryden Agent to remember everything? +
Kryden is built around a long-term working relationship, and memory is what makes that real. You can review what Kryden remembers at any time, correct anything it got wrong, and tell it to forget specific things — that surface is part of the product, not a buried setting. What we don't offer is the isolated, amnesiac chat. If you'd rather have a fresh start every conversation, Kryden may not be the right fit — and that's okay.
What platforms are available? +
Kryden is available today on macOS (Apple Silicon) and Windows. Mobile apps are coming later.
Where do I download it? +
downloads.kryden.ai is the official download page for Kryden Agent — installers, release notes, and file checksums. Only install Kryden from an official Kryden domain.