Jev / System One research

Let AI decide. Let code control the action.

Understand TypeSafe AI's Jev, compare open reimplementations, and put Choice, Score and Noul decisions into real software workflows. This is an independent, source-led research site.

Independent site · Not the TypeSafe AI official site · Sources are linked

Decision previewone pass

Support ticket: a customer was charged twice. Which team owns it?

billingconfidence 0.91
Return typeChoice · typed
statequestionsprobabilitiescode gate

Put one decision into software.

The useful boundary is state → typed questions → probabilities → a deterministic code gate.

01 · StateTickets, logs, messages or structured objects.
02 · QuestionsDefine Choice, Score or Noul.
03 · ProbabilityKeep the distribution and confidence.
04 · Code gateAct, confirm or escalate.
3core question types
1 callmultiple questions in parallel
opencommunity reimplementations
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