> cortex // second_brain v2.0
The brain you wished you had.
A local-first knowledge base for builders. Capture at the speed of thought, link everything, and query your own mind in milliseconds.
$ cortex capture "ship the graph view friday"
✓ linked to 3 existing notes · 2 new backlinks
$ cortex graph --open
→ rendering 1,204 nodes · 3,890 edges
$ cortex ask "what did i learn about focus?"
⟳ synthesizing from 12 notes...
Capture at light speed
A global hotkey, plain text, and Markdown. No modals, no friction, no thought left behind.
Bi-directional links
Every link travels both ways. The graph grows itself while you write, no extra work required.
Query your mind
Full-text and semantic search across every note you have ever written, answered instantly.
Local-first. End-to-end encrypted. Yours.
Your notes live on your machine and sync only between devices you trust. No servers reading your thoughts.