jev-shield

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.

How it uses Jev

Semantic MCP firewall powered by Jev — a System One verification model. Sits between any MCP client and any MCP server (stdio) and screens, with calibrated probabilities , every tool call, every tool result, and every tool description.

Source: community catalog. Details and metrics reflect the published community snapshot and are not a performance endorsement. Documentation details extracted from GitHub · the README.

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