Shield vs MCP Recon

In-depth architectural comparison of the Shield and MCP Recon 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 Shield when:

• You need dedicated capabilities in the Security domain.
• You prefer local stdio subprocess transport architecture.
• Your security boundary fits: No auth required (Free / Open Source).
• Primary tools included: Pre-execution MCP call guardrails, TOFU tool-catalog pinning, Tool description and result scanning.

Explore Shield Details

Choose MCP Recon when:

• You need dedicated capabilities in the Security domain.
• You prefer local stdio subprocess transport architecture.
• Your security boundary fits: API Key required (BYOK (Pay Provider Direct)).
• You have access to required keys: PDCP_API_KEY.
• Primary tools included: Lightweight HTTP reconnaissance, Full HTTP and TLS metadata collection, Standalone ASN and organization lookup.

Feature & Specification Comparison

Specification	Shield AperionAI Security	MCP Recon nickpending Security
Summary	Local guardrail proxy for AI coding agents. Wraps any MCP server (stdio or Streamable HTTP) and blocks destructive tool calls — DROP TABLE, rm -rf, force-push — before they execute. MCP supply-chain protection: TOFU tool-catalog pinning against rug pulls, plus tool-description and tool-result scanning for tool poisoning and prompt injection. 51 starter rules, approval gates, audit logging. Single binary, Apache-2.0.	Conversational recon interface and MCP server powered by httpx and asnmap. Supports various reconnaissance levels for domain analysis, security header inspection, certificate analysis, and ASN lookup.
Category & Scope

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": {
    "aperionai-shield": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-postgres"
      ]
    }
  }
}

{
  "mcpServers": {
    "nickpending-mcp-recon": {
      "command": "docker",
      "args": [
        "run",
        "mcp/recon"
      ],
      "env": {
        "PDCP_API_KEY": "YOUR_PDCP_API_KEY_HERE"
      }
    }
  }
}

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