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.