A world in tune with you.
Bring what your AI already knows. Undernote turns it into a world that feels better chosen for you.
Direct Island Sanctuary
Family quiet villa reachable by direct non-stop flight on your open dates.
You already told AI who you are.
Bring what ChatGPT, Claude or Gemini already knows. Undernote turns it into something you own — and immediately puts it to work.
Direct flights when travelling with family.
Compact phones under 6.3" screen size.
Clothbound architecture and systems monographs.
Things worth your attention.
Undernote quietly looks across the world and brings forward a small number of things that make unusual sense for you.
Nightfall & Shadows
A neo-noir mystery you somehow missed.
Open-Back Studio Monitors
Machined aluminum and walnut acoustic drivers.
A new place that feels unusually your kind of Friday night.
Natural wine bar & rustic sourdough counter.
The winter break you have been considering just became easier.
Secluded Nordic timber cabin in alpine pines.
The long-form piece you would probably have saved.
Clothbound architectural treatise reprint.
You don't have to keep checking.
Undernote notices when something becomes relevant, so you never miss what matters.
It finds
Things you never thought to search for.
It watches
Things you’ve told it matter.
Direct flight dropped below your target price.
Tickets opened for an acoustic performance you’d want to see.
The same world. A completely different fit.
What deserves your attention changes depending on who you are.
Tokyo Vinyl Listening Bar
Artisan Counter Ramen
Neo-Noir Mystery Film
Not a generic “For You” page. One built from you.
Find somewhere everyone will actually like.
Start with what Undernote knows about you. Invite the people you’re going with, and let each person share only what matters for this plan.
Four people. Three places that work.
Everyone shares only what matters for tonight.
The Glasshouse Courtyard
Vegetarian menu · Garden seating · 18 min away
Olive & Timber
Intimate acoustic noise levels · New menu
Sora Izakaya
Small plates · Plant-forward options · Easy drive
Friends join from a web link. No app install or account required.
Plan something togetherIt gets better without becoming work.
It starts with what you already told AI.
Bring in what you already taught ChatGPT, Claude or Gemini with 1 click.
It learns what lasts — and what matters now.
Some things shape your choices for years. Others matter only this month.
It gets sharper every time you use it.
Save something. Ignore something. Correct something. It quietly tunes itself.
Less setup over time → Better fit over time
Your context belongs to you.
See everything it knows, edit anything, and share only what you choose.
Owned by you
Your context is completely yours. You choose who to share with—a friend, a group, or a service—and share only the relevant slice without revealing everything.
Always editable
Tastes evolve. If a preference no longer applies, correct it or delete it in seconds without questions.
Portable & erasable
Export your synthesized context into standard JSON or Markdown anytime, or wipe everything with one tap.
See what the world looks like when it knows you better.
Bring what your AI already knows and let Undernote start finding things for you.