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TL;DR

Umbryn is a Model Context Protocol (MCP) server. Redacts PII/PHI from text before it reaches an LLM. Fail-closed, self-hosted, no egress. Install with: uvx umbryn-mcp. Source: https://github.com/Rinava/umbryn-mcp. Compatible with MCP clients such as Claude Desktop, Cursor, Cline and Windsurf.

Umbryn

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

Install Command

uvx umbryn-mcp

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Frequently Asked Questions

Umbryn is a Model Context Protocol server that Redacts PII/PHI from text before it reaches an LLM. Fail-closed, self-hosted, no egress.

You can install it by running the install command: `uvx umbryn-mcp`. It then becomes available to any MCP-compatible client such as Claude, Cursor, Cline, Windsurf.

The Umbryn MCP Server is compatible with any client that speaks the Model Context Protocol — including Claude, Cursor, Cline, Windsurf.

It is released under the MIT license.

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Details

Agent Rank
1.3
License
MIT
Last Updated
Aug 12, 2026
Languages
Python

Client Compatibility

Speaks the Model Context Protocol — works with any compatible client.

ClaudeCursorClineWindsurf