Solutions/Engineers
Crux sits in your editor through MCP, so the agent writing the code can read why.
terminalClaude Code
> build checkout to the research
crux · 3 findings, 1 flow
✓ Delivery shown in basket
Guest checkout flow
The research, where the code is written.
address-form.tsxCursor
// Crux: returners retype it
const saved =
useSavedAddress()
Returners retype their address
Ask why, mid-build, without leaving the file.
terminalCodex
> what does the research say
about guest checkout?
crux · 1 finding, 4 quotes
Guest checkout survey
Build to findings from the terminal.
PAY-88 · done when
Done means what people needed.
Settle the shape before the code.
Flow
Guest checkout
Every step and branch, before a line of code.
Delivery options copy
Checkout · Delivery
5 sections · 2 findings
Structure and content, ready to build.
Evidence behind every decision, in every tool you build with.