Arc Gate MCP vs MCP Gateway Scan

In-depth architectural comparison of the Arc Gate MCP and MCP Gateway Scan 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: MCP client-to-server governance proxy, Prompt injection filtering before results reach agents, Capability abuse prevention.

Explore Arc Gate MCP Details

Choose MCP Gateway Scan 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: Scores seven security and production-readiness dimensions, Checks RBAC, fail-closed behavior, supply chain, observability, cost, secrets, and operational read…, Provides CONNECT, REVIEW, or DO-NOT-CONNECT verdicts.

Feature & Specification Comparison

Specification	Arc Gate MCP 9hannahnine-jpg Security	MCP Gateway Scan willianpinho Security
Summary	Runtime governance for MCP tool calls. Blocks prompt injection and capability abuse before tool results reach your agent.	Read-only static scanner for MCP / agent-gateway production-readiness. The scangateway tool scores a repo across 7 security dimensions (RBAC, fail-closed, supply chain, observability, cost, secrets, prod-readiness). Never executes code or prints secret values.
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": {
    "willianpinho-mcp-gateway-scan": {
      "command": "npx",
      "args": [
        "-y",
        "mcp-gateway-scan"
      ]
    }
  }
}

Related MCP Server Comparisons