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GuardianShield MCP

GuardianShield is an open-source MCP server providing a universal AI security layer. It offers code scanning for vulnerabilities like SQL injection and XSS, PII detection with automatic redaction, prompt injection defense, secret detection, and dependency auditing against CVEs. It includes five safety profiles and audit logging capabilities.

Package and access

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

GuardianShield MCP logo, by sparkvibe-ioCommunity listingLocal stdioSource reviewed; not executedPublished by sparkvibe-io
You need:pip install guardianshield
Vendor documentation

What you can do with it

  • Scan source code for vulnerabilities and hardcoded secrets
  • Detect PII leaks in AI output with automatic redaction
  • Check user input for prompt injection attempts
  • Check packages for known CVEs via OSV.dev

Source and maintenance

Community listingRegistry 1.2.1
mcp-registry: io.github.sparkvibe-io/GuardianShield@1.2.1Source repository
Maintenance checked

Packages and installation

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

guardianshield 1.2.1

pypi
guardianshield package definition
{
  "version": "1.2.1",
  "transport": "stdio",
  "identifier": "guardianshield",
  "registryType": "pypi",
  "environmentVariables": [
    {
      "name": "GUARDIANSHIELD_PROFILE",
      "format": "string",
      "description": "Default safety profile (general, education, healthcare, finance, children)"
    },
    {
      "name": "GUARDIANSHIELD_AUDIT_PATH",
      "format": "string",
      "description": "Path to the SQLite audit database"
    },
    {
      "name": "GUARDIANSHIELD_DEBUG",
      "format": "string",
      "description": "Set to 1 for debug logging"
    }
  ]
}

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.

This server is operated by the named third party. Listing and endpoint checks are not an endorsement or a security audit. Review the operator's permissions, terms, and data handling before connecting. How listings are checked and corrected.

Cursor

Merge this local stdio configuration, replace every placeholder environment value, and restart Cursor. Koskamo has not executed this package.
Cursor configuration
{
  "mcpServers": {
    "guardianshield-mcp": {
      "command": "uvx",
      "args": [
        "guardianshield==1.2.1"
      ],
      "env": {
        "GUARDIANSHIELD_PROFILE": "<YOUR_GUARDIANSHIELD_PROFILE>",
        "GUARDIANSHIELD_AUDIT_PATH": "<YOUR_GUARDIANSHIELD_AUDIT_PATH>",
        "GUARDIANSHIELD_DEBUG": "<YOUR_GUARDIANSHIELD_DEBUG>"
      }
    }
  }
}

Cline

Merge this local stdio configuration, replace every placeholder environment value, and restart Cline. Koskamo has not executed this package.
Cline configuration
{
  "mcpServers": {
    "guardianshield-mcp": {
      "command": "uvx",
      "args": [
        "guardianshield==1.2.1"
      ],
      "env": {
        "GUARDIANSHIELD_PROFILE": "<YOUR_GUARDIANSHIELD_PROFILE>",
        "GUARDIANSHIELD_AUDIT_PATH": "<YOUR_GUARDIANSHIELD_AUDIT_PATH>",
        "GUARDIANSHIELD_DEBUG": "<YOUR_GUARDIANSHIELD_DEBUG>"
      }
    }
  }
}

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": {
    "guardianshield-mcp": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "guardianshield==1.2.1"
      ],
      "env": {
        "GUARDIANSHIELD_PROFILE": "<YOUR_GUARDIANSHIELD_PROFILE>",
        "GUARDIANSHIELD_AUDIT_PATH": "<YOUR_GUARDIANSHIELD_AUDIT_PATH>",
        "GUARDIANSHIELD_DEBUG": "<YOUR_GUARDIANSHIELD_DEBUG>"
      }
    }
  }
}

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": {
    "guardianshield-mcp": {
      "command": "uvx",
      "args": [
        "guardianshield==1.2.1"
      ],
      "env": {
        "GUARDIANSHIELD_PROFILE": "<YOUR_GUARDIANSHIELD_PROFILE>",
        "GUARDIANSHIELD_AUDIT_PATH": "<YOUR_GUARDIANSHIELD_AUDIT_PATH>",
        "GUARDIANSHIELD_DEBUG": "<YOUR_GUARDIANSHIELD_DEBUG>"
      }
    }
  }
}

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