umbryn mcp for Grok
io.github.rinava/umbryn-mcp
Redacts PII/PHI from text before it reaches an LLM. Fail-closed, self-hosted, no egress.
client:Grok
transport:stdio
runtime:pypi
Install umbryn mcp in Grok
.mcp.json (in your project root)
{
"mcpServers": {
"umbryn-mcp": {
"type": "stdio",
"command": "uvx",
"args": [
"umbryn-mcp"
],
"env": {
"UMBRYN_ENGINE": "<UMBRYN_ENGINE>",
"UMBRYN_MIN_CONFIDENCE": "<UMBRYN_MIN_CONFIDENCE>",
"UMBRYN_DETECTION_FLOOR": "<UMBRYN_DETECTION_FLOOR>"
}
}
}
}
Grok Build reads Claude Code's .mcp.json and Claude Desktop's config unchanged, so a server you have already set up there needs nothing new. The Grok web app and X integration do not take custom servers. Grok docs