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jev-shield
Semantic MCP firewall that screens every tool call, result, and description; reports 94 percent block recall at about $0.00002 a check.
From the readme
jev-shield 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. Why another MCP firewall? Existing MCP security proxies (pipelock, mcpwall, mcp-firewall, Lakera, NeMo …
Details
- Section
- Safety, moderation and verification
- owner
- caiovicentino
- stars
- 2
- forks
- 0
- pushed
- 2026-09-17
- Language
- JavaScript
- License
- MIT
- claim
- reports 94 percent block recall at about $0
What it is
- Form
- Proxy or service
- Host agent
- Any agent
- Audience
- Agent builders
Maturity
Docs
reports measured numbers