MCP Slim Guard vs ToolTrust Scanner

In-depth architectural comparison of the MCP Slim Guard 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?

Choose MCP Slim Guard 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).

Explore MCP Slim Guard 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	MCP Slim Guard Developer Tools	ToolTrust Scanner Developer Tools
Summary	Schema compression (83%+ savings) + security proxy for MCP servers — SSRF, injection, rate limit	Scans MCP servers for prompt injection, data exfiltration, and privilege escalation.
Category & Scope	Developer Tools	Developer Tools

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

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

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