Beelzebub vs Shieldapi MCP

In-depth architectural comparison of the Beelzebub and Shieldapi MCP 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 Beelzebub 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: MCP, SSH, HTTP, TCP, and TELNET decoys, YAML service definitions with regex matching, OpenAI and Ollama response generation.

Explore Beelzebub Details

Choose Shieldapi MCP when:

• You need dedicated capabilities in the Security domain.
• You prefer local stdio subprocess transport architecture.
• Your security boundary fits: other (Freemium).
• You have access to required keys: SHIELDAPI_URL, SHIELDAPI_WALLET_PRIVATE_KEY.
• Primary tools included: check_url, check_password, check_password_range.

Feature & Specification Comparison

Specification	Beelzebub mariocandela Security	Shieldapi MCP alberthild Security
Summary	Beelzebub is a honeypot framework that lets you build honeypot tools using MCP. Its purpose is to detect prompt injection or malicious agent behavior. The underlying idea is to provide the agent with tools it would never use in its normal work.	Security intelligence for AI agents: password breach checks (900M+ HIBP hashes), email/domain/IP/URL reputation, prompt injection detection (200+ patterns), and skill supply chain scanning. Pay-per-request via x402 USDC micropayments or free demo mode, no API key needed.
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": {
    "mariocandela-beelzebub": {
      "command": "npx",
      "args": [
        "-y",
        "mariocandela-beelzebub"
      ]
    }
  }
}

{
  "mcpServers": {
    "alberthild-shieldapi-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "shieldapi-mcp"
      ],
      "env": {
        "SHIELDAPI_URL": "YOUR_SHIELDAPI_URL_HERE",
        "SHIELDAPI_WALLET_PRIVATE_KEY": "YOUR_SHIELDAPI_WALLET_PRIVATE_KEY_HERE"
      }
    }
  }
}

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