Phi Guard MCP vs ToolTrust Scanner

In-depth architectural comparison of the Phi Guard MCP and ToolTrust Scanner MCP servers. Compare execution transports, security boundaries, tool capabilities, quality scores, and ready-to-paste client installation snippets for Claude, Cursor, Windsurf, and VS Code.

Which MCP Server Should You Choose?

P

Choose Phi Guard MCP when:

• You need dedicated capabilities in the Developer Tools domain.
• You prefer local stdio subprocess transport architecture.
• Your security boundary fits: No auth required (Free / Open Source).
• Primary tools included: redact_suggest, scan_code.

Explore Phi Guard MCP Details

Choose ToolTrust Scanner when:

• You need dedicated capabilities in the Developer Tools domain.
• You prefer local stdio subprocess transport architecture.
• Your security boundary fits: No auth required (Free / Open Source).
• Primary tools included: tooltrust_scan_config, tooltrust_scan_server, tooltrust_scanner_scan.

Explore ToolTrust Scanner Details

Feature & Specification Comparison

Specification	P Phi Guard MCP Developer Tools	ToolTrust Scanner Developer Tools
Summary	Local-first PHI detection for source code, LLM prompts, logs, and analytics	Scans MCP servers for prompt injection, data exfiltration, and privilege escalation.
Category & Scope	Developer Tools	Developer Tools
Quality signal

Tools & Capabilities Breakdown

Ready-to-Paste Client Configurations

Paste either (or both) of these JSON server blocks into your client config file (e.g. claude_desktop_config.json or ~/.cursor/mcp.json).

{
  "mcpServers": {
    "phi-guard-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "phi-guard-mcp"
      ]
    }
  }
}

{
  "mcpServers": {
    "tooltrust-scanner": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-filesystem"
      ]
    }
  }
}

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