ScrubGuard MCP

An open-source, local-first MCP server for ScrubGuard that enables deterministic PII and secret scrubbing with reversible tokenization. It allows agents to sanitize prompts before sending them to LLMs and rehydrate responses, using mathematical checksums for accuracy without requiring external API calls when run locally.

Package and access

Local package with source-attributed installation metadata. Koskamo does not execute packages during review.

Community listingLocal stdioSource reviewed; not executedPublished by scrubguard-dev

Vendor documentation

What you can do with it

Scrub PII and secrets from user prompts before LLM interaction
Rehydrate LLM responses using reversible tokens
Sanitize nested JSON objects recursively
Run locally offline with zero network calls

Source and maintenance

Community listingRegistry 1.0.0

mcp-registry: io.github.scrubguard-dev/scrubguard@1.0.0 Source repository Project website

Maintenance checked: Oct 31, 2026, 10:59 PM UTC

Packages and installation

Source-provided package data. Koskamo has not executed or live-probed this package.

scrubguard-mcp 1.0.0

npm

scrubguard-mcp package definition

{
  "version": "1.0.0",
  "transport": "stdio",
  "identifier": "scrubguard-mcp",
  "registryType": "npm",
  "registryBaseUrl": "https://registry.npmjs.org",
  "environmentVariables": [
    {
      "name": "SCRUBGUARD_API_KEY",
      "description": "Optional Pro key for the hosted API. Leave unset to scrub locally with no network calls."
    }
  ]
}

Tools

Reported by the attributed source; not independently observed by Koskamo.

No tool definitions available.

Connect from your client

Each snippet configures the same source-provided package; replace placeholders before use.

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Cursor

Merge this local stdio configuration, replace every placeholder environment value, and restart Cursor. Koskamo has not executed this package.

Cursor configuration

{
  "mcpServers": {
    "scrubguard-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "scrubguard-mcp@1.0.0"
      ],
      "env": {
        "SCRUBGUARD_API_KEY": "<YOUR_SCRUBGUARD_API_KEY>"
      }
    }
  }
}

Cline

Merge this local stdio configuration, replace every placeholder environment value, and restart Cline. Koskamo has not executed this package.

Cline configuration

{
  "mcpServers": {
    "scrubguard-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "scrubguard-mcp@1.0.0"
      ],
      "env": {
        "SCRUBGUARD_API_KEY": "<YOUR_SCRUBGUARD_API_KEY>"
      }
    }
  }
}

VS Code

Merge this local stdio configuration, replace every placeholder environment value, and restart VS Code. Koskamo has not executed this package.

VS Code configuration

{
  "servers": {
    "scrubguard-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "scrubguard-mcp@1.0.0"
      ],
      "env": {
        "SCRUBGUARD_API_KEY": "<YOUR_SCRUBGUARD_API_KEY>"
      }
    }
  }
}

Claude Desktop

Merge this local stdio configuration, replace every placeholder environment value, and restart Claude Desktop. Koskamo has not executed this package.

Claude Desktop configuration

{
  "mcpServers": {
    "scrubguard-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "scrubguard-mcp@1.0.0"
      ],
      "env": {
        "SCRUBGUARD_API_KEY": "<YOUR_SCRUBGUARD_API_KEY>"
      }
    }
  }
}

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