Your personal AI agent

Gerin is the new KucLab workspace: a personal AI agent that is safe, capable, and for everyone. Conversations, a dedicated workspace and your usage in one place. Pilot access is by invitation.

Open Gerin See everything KucLab ships

Ask Gerin for example: Help me untangle this idea

Screenshot of the Gerin personal AI agent interface.

Artificial intelligence

Gerin is the current workspace. Hertz, AIPro and our open-source models are still here, below.

Gerin

One agent that works alongside you. It follows your thoughts, keeps its own workspace, and remembers what matters. Safe, capable, and for everyone.

Conversations
Thoughtful replies, with a history you can return to.
Workspace
A dedicated space where your agent works on what you bring.
Memory
Personality and memory you shape yourself.
Check-in
A heartbeat for the things you want to keep an eye on.
Files
Attach files to any message. Gerin reads them and works with them.
Privacy
We never read your messages. Encrypted in transit and at rest.
Account
Email and password, verified with a short PIN.
Access
Pilot access by invitation. Join the waiting list to start.

Open Gerin

Also available

Hertz The previous AI workspace AIPro Your own API key Models Open-source

Tools

Small tools that do one job and get out of the way. No dashboards, no tracking.

15MailTemporary mail. Messages vanish after fifteen minutes, the address stays. DriveZero-knowledge cloud storage. We cannot read what you put in it. JailbreakTools and write-ups for pushing past model limits. SearchA private search engine for films, series, people and documents. IPEverything your address gives away: location, network, reverse records. NASAPublic space data and imagery in a clean interface. FirumsAnonymous discussion about projects, leaks and technology. TranslatorA clean front end for translation, including whole documents. QRQR codes for links, contacts and Wi-Fi, with colour and a logo. FileStrip metadata, repair and convert files, in bulk. WriteVirtual whiteboard. Sketch diagrams, wireframes and notes, autosaved locally. FlyInteractive fruit-fly brain. Live 3D connectome, virtual arena, tic-tac-toe and chess against the network. FindOSINT search across 117 public sources. Usernames, emails, phones and names, free with no sign-up.

Try it right here

Two tools running live on this page. Type, click, it just works.

IP

Live lookup

Open full page

QR

Live generator

Open full page

Games

Everything runs in the browser. No download, no launcher, no account.

Screenshot from Roads, an endless 3D driving game with real cars and open highways.

Roads

An endless 3D drive. Pick a car, hit the highway and disappear into the horizon.

Play Screenshot from Mario, a 3D kart racing game with drifts, items and 3 laps.

Mario

3D kart racing for 6 drivers. Drift for turbo, grab items, win 3 laps.

Play Screenshot from Adrenaline, a fast-paced browser shooter with toxic overload.

Adrenaline

A fast-paced shooter with toxic overload. Shoot, dodge, survive.

Play Screenshot from Subway, a first-person 3D shooter in an abandoned subway station.

Subway

A first-person 3D shooter in an abandoned subway station. Catch the last train.

Play Screenshot from Cap, a brain-training game built from 60 CAPTCHA challenges.

Cap

Brain training built from 60 CAPTCHA challenges. Perception, logic, memory and reflexes.

Play Screenshot from Clux, an open-world ball game with a day cycle and enemies.

Clux

A ball in an open world with a day cycle and enemies.

Play Screenshot from MC, a Minecraft clone that runs in the browser.

MC

A Minecraft clone that runs in the browser.

Play Screenshot from Planety, a browser game about filling the tank to the brim.

Planety

Fill the tank to the brim.

Play Screenshot from Gun, a browser action game about neutralising attackers and grabbing the loot.

Gun

Neutralise the attackers, grab the loot, get out.

Play Screenshot from Ball Hunt, an arcade game about collecting balls and avoiding bombs.

Ball Hunt

Collect the balls, avoid the bombs.

Play Screenshot from Nekonecny boj, a fantasy game about fighting creatures and taking their loot.

Nekonečný boj

Fight creatures, take their loot, keep going.

Play Screenshot from Noir, a 3D noir detective story game.

Noir

A 3D noir detective story. Work the scene, gather evidence, find the truth.

Play Screenshot from Prehistorik, an endless stone-age platformer with generated levels.

Prehistorik

An endless stone-age platformer with generated levels.

Play Screenshot from AI Battle, a game built from a single prompt by competing AI models.

AI Battle

Models benchmarked by building a game from a single prompt.

Play

About KucLab

KucLab is an independent software company founded in January 2026 and based in Czechia. We design and build web applications, browser games and AI tools — including Gerin, the personal AI agent.

Company: KucLab · Founded: January 2026 · Based in: Czechia · Contact: [email protected]

Gerin — our flagship product

A personal AI-agent SaaS at heygerin.com. Every user gets their own persistent agent with its own workspace and browser — working autonomously in the background and delivering finished results. Currently in pilot.

Privacy-first tools

15Mail, Drive, Translator, QR, File and more — small tools that do one job and get out of the way. No dashboards, no tracking.

Browser games

A growing library of games running entirely in the browser. No download, no launcher, no account.

Contact

Questions, bug reports and ideas go through the support centre.

Support centre

Or write to [email protected] · or follow us on LinkedIn · Crunchbase

Recently added

The newest corners of the catalogue.

Gerin Our new personal AI agent. Conversations, a dedicated workspace and your usage in one place. Pilot access by invitation. Fly Interactive fruit-fly brain. Live 3D connectome, virtual arena, tic-tac-toe and chess against the network. Find OSINT search across 117 public sources. Usernames, emails, phones and names, free with no sign-up. Write Virtual whiteboard. Sketch diagrams, wireframes and notes, autosaved locally. Roads An endless 3D drive. Pick a car, hit the highway and disappear into the horizon.