What is the key difference between Scanpay and Shield?

Scanpay belongs to the Security category with local stdio execution, while Shield belongs to the Security category with local stdio execution.

How do I install Scanpay or Shield in Claude Desktop or Cursor?

Copy the mcpServers JSON configuration snippet provided on this page into your claude_desktop_config.json or ~/.cursor/mcp.json file and restart your AI client.

Are Scanpay and Shield free or paid?

Scanpay operates under a Free / Open Source model (No auth required). Shield operates under a Free / Open Source model (No auth required).

Which MCP server has more tools and community activity?

Scanpay lists 6 tools with 0 views and 0 GitHub stars. Shield lists 6 tools with 4 views and 11 GitHub stars.

Can I use both Scanpay and Shield together in the same MCP host?

Yes! MCP hosts like Claude Desktop, Cursor, Windsurf, Cline, and VS Code support configuring multiple servers under the mcpServers object simultaneously.

Side-by-Side Model Context Protocol Comparison

Scanpay vs Shield

In-depth architectural comparison of the Scanpay and Shield 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.

At a Glance & Executive Verdict

Scanpay

Security · Local stdio

Quality: 41/100 (Fair) | Auth: No auth required

Shield

Security · Local stdio

Quality: 63/100 (Good) | Auth: No auth required

Verdict Summary: Choose Scanpay if you need specialized Security tools running via a local process. Choose Shield if your workspace requires Security integration with local subprocess execution. Both servers can be configured concurrently in your client's mcpServers manifest.

Which MCP Server Should You Choose?

Choose Scanpay 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: SCANPAY_URL, SCANPAY_PAYMENT_MODE, SCANPAY_MERCHANT_WALLET, SCANPAY_PRICE_LAMPORTS, SCANPAY_RPC_URL, SCANPAY_PORT.
Primary tools included: 45+ deterministic vulnerability patterns, Python and JavaScript/TypeScript AST analysis, MCP `scan_code` tool.

Explore Scanpay Details

Choose Shield 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: Pre-execution MCP call guardrails, TOFU tool-catalog pinning, Tool description and result scanning.

Feature & Specification Comparison

Specification	Scanpay Security	Shield AperionAI Security
Summary	Code security scanner for AI agents. 45+ vulnerability patterns, AST analysis, Solana micropayments.	Local guardrail proxy for AI coding agents. Wraps any MCP server (stdio or Streamable HTTP) and blocks destructive tool calls — DROP TABLE, rm -rf, force-push — before they execute. MCP supply-chain protection: TOFU tool-catalog pinning against rug pulls, plus tool-description and tool-result scanning for tool poisoning and prompt injection. 51 starter rules, approval gates, audit logging. Single binary, Apache-2.0.
Category & Scope

Tools & Capabilities Breakdown

Scanpay Tools (6)

45+ deterministic vulnerability patterns

Python and JavaScript/TypeScript AST analysis

MCP `scan_code` tool

Solana x402 v2 payment flow

SARIF reports

Batch scanning

Shield Tools (6)

Pre-execution MCP call guardrails

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).

Scanpay Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "scanpay": {
      "command": "npx",
      "args": [
        "-y",
        "scanpay-mcp-server"
      ],
      "env": {
        "SCANPAY_URL": "YOUR_SCANPAY_URL_HERE",
        "SCANPAY_PAYMENT_MODE": "YOUR_SCANPAY_PAYMENT_MODE_HERE",
        "SCANPAY_MERCHANT_WALLET": "YOUR_SCANPAY_MERCHANT_WALLET_HERE",
        "SCANPAY_PRICE_LAMPORTS": "YOUR_SCANPAY_PRICE_LAMPORTS_HERE",
        "SCANPAY_RPC_URL": "YOUR_SCANPAY_RPC_URL_HERE",
        "SCANPAY_PORT": "YOUR_SCANPAY_PORT_HERE"
      }
    }
  }
}

Shield Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "aperionai-shield": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-postgres"
      ]
    }
  }
}

Frequently Asked Questions

Scanpay is categorized under Security and uses a local stdio subprocess. In contrast, Shield belongs to Security using local stdio subprocess. Select Scanpay when you need capabilities focused on security and Shield when you require tools for security.

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