What it is
Semantic firewall pattern: run Jev checks in shadow mode before promoting to hard blocks.
Primary scenario: tool-call-guardrails / MCP semantic firewall patterns.
Evidence
cobanov guardrails cluster; very early stars.
Caveats
- Early project — heat incomplete on social
- Shadow-mode only until you wire enforcement
Unofficial case page. Stars / list position observed for heat; do not treat heat as a quality SLA. Review the upstream README before you depend on it.