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jevpolicy

TypeScript decision runtime that turns Jev probabilities (via Vercel AI Gateway) into versioned, replayable YAML-policy decisions with audit traces.

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From the repository

JevPolicy is an open-source TypeScript decision runtime that turns probabilistic judgments from Jev, accessed through Vercel AI Gateway, into versioned, deterministic, replayable, observable application decisions.

jevjev-aijev-apijev-modeltypesafe-aitypesafe-jevvercel-aivercel-ai-sdk

How builders describe it

JevPolicy is an open-source TypeScript decision runtime that turns probabilistic judgments from Jev, accessed through Vercel AI Gateway, into versioned, deterministic, replayable, observable application decisions.

TypeScript runtime that keeps Jev's probabilities out of the decision path. YAML policies declare preconditions, typed questions and ordered rules; it returns a decision plus an audit trace, records fingerprinted signals as JSONL, and replays offline without calling the provider. Ships shadow…

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 625 sdks & integrations projects →

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