Guardrails & review

jev-shield

@caiovicentino2JavaScriptMITupdated 2026-09-17

Semantic MCP firewall powered by Jev — screens every tool call, tool result, and tool description with calibrated System One verification. 94% block recall, 0 false positives, ~$0.00002/check.

caiovicentino/jev-shield

Where it calls Jev

import { experimental_evaluate as evaluate } from 'ai';

src/verify.mjs:1

The link points at the commit we read, so the line number still holds.

This one cannot run here

Its question set is assembled at runtime, or never written out literally in the code, so there is nothing to lift. The source link above will show you.

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