Infinite canvas
You arrange it. Drag projects, notes and tasks onto a boundless board and draw the connections yourself — links that are real data, not decoration.
Your visual work brain
A clear home for your projects, notes and next steps.
Capture the thought. See the connections. Move work forward.
A little clarity goes a long way
From the first idea to the final detail.
3 of 4 checklist items done
The context stays with the work.
Ready when you are.
The point of all this
Notes apps store text. Task apps store to-dos. Neither remembers how any of it fits together — so the moment you need the story behind a decision, you're scrolling chat history.
What's inside
Each piece is useful on its own. Together they become something no single tool gives you: context that survives.
You arrange it. Drag projects, notes and tasks onto a boundless board and draw the connections yourself — links that are real data, not decoration.
Cortex arranges it. Every link builds a picture of your whole workspace, and it points out notes that mention a project without being linked to it yet.
Ask what you decided about the warehouse in March. You get an answer drawn from your own material, with the notes it came from listed underneath.
Speak for three minutes on the way home. Cortex transcribes it, drafts a summary and suggests the tasks inside — and never overwrites your original words.
A proper writing surface with backlinks. Mention a project and it links itself, so every note knows what it belongs to.
The same work as a list, a board or a calendar. Drag between columns to change status, or across days to reschedule.
Also inside: filters that hold — tag anything
client=Acme and a project passes it down to everything filed in
it, so #client=Acme #stage=open is one search.
Files with their contents searchable, saved emails included.
Templates for the notes you write every week.
And Decisions and Timeline, both switched off
until you want them.
How it works
The reason knowledge tools fail is that they ask you to file things while you're still thinking. Cortex doesn't.
Hit ⌘K anywhere, or the record button on your phone. Text, voice, a file, a half-formed idea — it all lands in your Inbox with no questions asked. Today's page is always open and always empty.
Cortex reads what you captured and proposes: this looks like it belongs to Access Platform, there are two tasks in here, three older notes already mention this. You tap accept or ignore — nothing files itself behind your back.
Open the canvas and your work is laid out in front of you: what's moving, what's stuck, and what each thing came from.
AI & MCP
Cortex runs a secure MCP server with fifteen tools behind eight separate permissions. The assistant you already use can do exactly what you allowed and nothing else.
Permissions are granted one at a time, and they do not overlap. An assistant helping you run a course has no way to reach your notes. Revoke any of it in one click.
Who can see it and what AI can read are different questions, so Cortex keeps them as different settings. Your manager and your assistant do not share a permission.
It runs on your own API keys, with a monthly ceiling you set — so the bill is yours to see and yours to cap. Nothing marked No AI is ever sent anywhere, including to summaries of itself.
Also inside
A separate part of Cortex, for anyone who teaches as well as thinks. Ignore it entirely if you don't.
One syllabus, a new version each time you teach it, and a register you mark a day at a time — so "who missed day three?" has an answer. Export the roll to a spreadsheet whenever somebody asks.
Each one carries a serial an employer can verify on a public page, without an account. Attendance is recorded on the certificate as it stood the day it was issued, and one that is withdrawn says so rather than vanishing.
Install
Cortex installs like an app on both. A thought spoken in a lift or a basement is held on your phone and sent the moment you have signal again.
Start with one project and one thought. The connections build themselves from there.
Install Cortex: tap Share, then Add to Home Screen.