io.github.Rinava
umbryn-mcp
Redacts PII/PHI from text before it reaches an LLM. Fail-closed, self-hosted, no egress.
stdiocommunityinfra
Package Details
umbryn-mcp
Transportstdio
Environment Variables
UMBRYN_ENGINE
Detection engine: auto (default), regex, or presidio
UMBRYN_MIN_CONFIDENCE
Trust threshold (0-1); detections below it fail closed. Default 0.5
UMBRYN_DETECTION_FLOOR
Sensitivity floor (0-1); below this a signal is noise. Default 0.35