CalibratedDecisions.

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jev-feels

Semantic decisions as ordinary Ruby: feels?, decide, score.

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How builders describe it

Semantic decisions as ordinary Ruby — feels?, decide, score, Rails validations and pattern matching powered by Jev.
Ruby gem that turns TypeSafe Jev into ordinary Ruby: feels?, decide, score, Rails/ActiveModel validations, and optional String refinements—without writing prompt strings at the call site.

The decision Jev makes

Any Jev question: yes or no, a choice, or a score, from your own stack.

Where it fits

Official and community SDKs, MCP servers and integrations for calling Jev from the languages and tools you already use. All 308 sdks & integrations projects →

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