CRUX

Get the build when it exists

The CLI ships free forever. Hosted watch mode lands later. Join now and the first working build comes straight to you. Nothing else comes down the pipe.

Joining gets you

  • + The first build. The moment crux who works on a real repo it lands in your inbox.
  • + A vote on targets. You pick which behaviors crux hunts first. Tests. Output. Latency.
  • + Nothing else. No drip sequences. No newsletters. Just the build when it is ready.

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01

Straight answers

Is this git bisect+
No. Bisect marks builds good and bad and hands you a commit. CRUX scans behavior across the range. You get the commit and the lines that caused the change.
Does CRUX run my code+
Only the behaviors you declare. Each run stays inside a sealed sandbox with pinned inputs.
What does it cost+
The CLI is free forever. Hosted watch mode becomes a paid tier later.
Is AI in the loop+
Not in the verdicts. Every finding is deterministic and replayable. A model may summarize a report later. It never writes the blame.
When does it ship+
When the first minimized causal diff works on a real repo. That is the gate. Join the list and we email you when it opens.
02

One promise

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