Shellward vs Pqc Tools

In-depth architectural comparison of the Shellward and Pqc Tools 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 Shellward 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: 8-layer defense including prompt guard, input auditor, tool blocker, output scanner, Data loss prevention with full data return and outbound send blocking, PII detection for Chinese and international identifiers with low false positives.

Explore Shellward Details

Choose Pqc Tools when:

• You need dedicated capabilities in the Security domain.
• You prefer local stdio subprocess transport architecture.
• Your security boundary fits: OAuth 2.0 (Freemium).
• You have access to required keys: QUANTAKRYPTO_API_KEY, MCP_OAUTH_CLIENT_ID, MCP_OAUTH_CLIENT_SECRET.
• Primary tools included: Detects vulnerable crypto in 14+ languages and infrastructure configs, Outputs SARIF, JSON, CBOM, evidence, and OpenVEX reports, Supports compliance mandates with build-fail enforcement.

Feature & Specification Comparison

Specification	Shellward jnMetaCode Security	Pqc Tools quantakrypto Security
Summary	AI Agent Security Middleware & MCP Server with 8-layer defense including prompt injection detection, DLP data flow tracking, command blocking, and PII detection. 7 MCP tools, zero dependencies.	Post-quantum readiness for AI coding agents: scan code for quantum-vulnerable cryptography (RSA/ECDH/ECDSA/DH), explain the harvest-now-decrypt-later exposure, get NIST ML-KEM/ML-DSA/SLH-DSA (and hybrid) migration guidance, verify fixes, and check dependencies. Content-based/advisory tools only. Run local (npx @quantakrypto/mcp) or the hosted OAuth endpoint at mcp.quantakrypto.com.
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": {
    "jnmetacode-shellward": {
      "command": "npx",
      "args": [
        "-y",
        "shellward"
      ]
    }
  }
}

{
  "mcpServers": {
    "quantakrypto-pqc-tools": {
      "command": "npx",
      "args": [
        "-y",
        "@quantakrypto/qscan"
      ],
      "env": {
        "QUANTAKRYPTO_API_KEY": "YOUR_QUANTAKRYPTO_API_KEY_HERE",
        "MCP_OAUTH_CLIENT_ID": "YOUR_MCP_OAUTH_CLIENT_ID_HERE",
        "MCP_OAUTH_CLIENT_SECRET": "YOUR_MCP_OAUTH_CLIENT_SECRET_HERE"
      }
    }
  }
}

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