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io.github.Rinava/umbryn-mcp

io.github.Rinava/umbryn-mcp·v0.2.0·AI & LLMs

Redacts PII/PHI from text before it reaches an LLM. Fail-closed, self-hosted, no egress.

Trust verdict · v1 advisory · method
NOT YET SCREENEDno verdict on file

Verdict not yet evaluated for this tool. The semantic screen takes adversarial cases first; coverage rolls out as the corpus expands (15/150 labels to graduation). The deterministic conformance probe is built but has not yet run on the public corpus, so a recorded verdict here is REVIEW or UNVERIFIED, never a clearing ALLOW. Until a verdict is recorded, an agent should treat this tool as not-yet-cleared and fall back to its own checks. Method: the eval, four-state verdict, honest limits.

Own this server? Screen its description →

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

MCP quality score · maturity, not trust · methodology
freshness
25
completeness
10
installability
25
documentation
15
stability
5
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