Arc Gate MCP vs Beelzebub

In-depth architectural comparison of the Arc Gate MCP and Beelzebub 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 Arc Gate MCP 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: fetch.

Explore Arc Gate MCP Details

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

Feature & Specification Comparison

Specification	Arc Gate MCP 9hannahnine-jpg Security	Beelzebub mariocandela Security
Summary	Runtime governance for MCP tool calls. Blocks prompt injection and capability abuse before tool results reach your agent.	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.
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": {
    "9hannahnine-jpg-arc-gate-mcp": {
      "command": "uvx",
      "args": [
        "mcp-server-fetch"
      ]
    }
  }
}

{
  "mcpServers": {
    "mariocandela-beelzebub": {
      "command": "npx",
      "args": [
        "-y",
        "mariocandela-beelzebub"
      ]
    }
  }
}

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