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Claude Desktop

OFAC Wallet Screen, DNS & Email Auth (x402) for Claude Desktop

dev.workers.sdnscreen.sdn-screen-x402/agent-preflight

Pay-per-call ($0.01 USDC, Base, x402): OFAC SDN wallet screen, DNS lookup, SPF/DMARC/DKIM check.

client:Claude Desktop transport:streamable-http tools:3

Install OFAC Wallet Screen, DNS & Email Auth (x402) in Claude Desktop

~/Library/Application Support/Claude/claude_desktop_config.json · windows: %APPDATA%\Claude\claude_desktop_config.json

{
  "mcpServers": {
    "agent-preflight": {
      "command": "npx",
      "args": [
        "-y",
        "mcp-remote",
        "https://sdn-screen-x402.sdnscreen.workers.dev/mcp"
      ]
    }
  }
}

Claude Desktop has no remote transport in its config file, so this bridges through mcp-remote. Restart the app after saving. Claude Desktop docs

What Claude Desktop can do once it is connected

OFAC Wallet Screen, DNS & Email Auth (x402) in other clients