Mcp Firewall vs AI Runtime Guard

In-depth architectural comparison of the Mcp Firewall and AI Runtime Guard 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 Firewall 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: Intercepts and filters inbound JSON-RPC tool calls, Enforces YAML-defined allow/deny/redact policies, Detects secret leakage using regex and entropy checks.

Explore Mcp Firewall Details

Choose AI Runtime Guard 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).
• You have access to required keys: AIRG_WORKSPACE, AIRG_AGENT_ID.
• Primary tools included: Policy enforcement on every file and shell action, Destructive command blocking and backup-before-write, Human approval gating via local GUI or API.

Feature & Specification Comparison

Specification	Mcp Firewall behrensd Security	AI Runtime Guard jimmyracheta Security
Summary	Deterministic security proxy (iptables for MCP) that intercepts tool calls, enforces YAML policies, scans for secret leakage, and logs everything. No AI, no cloud.	Runtime policy enforcement for AI agents - prevents accidental damage to your systems, unauthorized agent access and automates backup-before-write for any touched files.
Category & Scope	Security

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": {
    "behrensd-mcp-firewall": {
      "command": "npx",
      "args": [
        "-y",
        "mcpwall"
      ]
    }
  }
}

{
  "mcpServers": {
    "jimmyracheta-ai-runtime-guard": {
      "command": "npx",
      "args": [
        "-y",
        "jimmyracheta-ai-runtime-guard"
      ],
      "env": {
        "AIRG_WORKSPACE": "YOUR_AIRG_WORKSPACE_HERE",
        "AIRG_AGENT_ID": "YOUR_AIRG_AGENT_ID_HERE"
      }
    }
  }
}

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