MCP Server vs SCRIPTMASTERLABS — x402 Gateway

In-depth architectural comparison of the MCP Server and SCRIPTMASTERLABS — x402 Gateway 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 Server when:

• You need dedicated capabilities in the Finance & Fintech domain.
• You prefer local stdio subprocess transport architecture.
• Your security boundary fits: other (Free / Open Source).
• You have access to required keys: ARBITOVA_RPC_URL, ARBITOVA_ESCROW_ADDRESS, ARBITOVA_USDC_ADDRESS, ARBITOVA_AGENT_PRIVATE_KEY.
• Primary tools included: Six on-chain escrow tools, Local ethers v6 transaction signing, Base Sepolia and USDC support.

Explore MCP Server Details

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Choose SCRIPTMASTERLABS — x402 Gateway when:

• You need dedicated capabilities in the Finance & Fintech domain.
• You prefer remote streaming HTTP/SSE transport architecture.
• Your security boundary fits: No auth required (Freemium).
• Primary tools included: sml_discover, sml_status, list_magnets.

Feature & Specification Comparison

Specification	MCP Server @arbitova Finance & Fintech	S SCRIPTMASTERLABS — x402 Gateway VerifiedFinance & Fintech
Summary	Non-custodial on-chain escrow + AI dispute arbitration for agent-to-agent USDC payments on Base. Seven tools covering the full EscrowV1 contract surface: create escrow, mark delivered with on-chain content hash, confirm or dispute, arbiter resolves with signed verdict, cancel/escalate on timeout. npx @arbitova/mcp-server	Remote MCP gateway for SCRIPTMASTERLABS x402-paid tools and agent-native API access on Base, with free capability discovery and pay-per-use execution.

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": {
    "-arbitova-mcp-server": {
      "command": "npx",
      "args": [
        "-y",
        "@arbitova/mcp-server"
      ],
      "env": {
        "ARBITOVA_RPC_URL": "YOUR_ARBITOVA_RPC_URL_HERE",
        "ARBITOVA_ESCROW_ADDRESS": "YOUR_ARBITOVA_ESCROW_ADDRESS_HERE",
        "ARBITOVA_USDC_ADDRESS": "YOUR_ARBITOVA_USDC_ADDRESS_HERE",
        "ARBITOVA_AGENT_PRIVATE_KEY": "YOUR_ARBITOVA_AGENT_PRIVATE_KEY_HERE"
      }
    }
  }
}

{
  "mcpServers": {
    "scriptmasterlabs-x402-gateway": {
      "url": "https://mcp-x402.onrender.com/mcp"
    }
  }
}

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