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

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 Code transport:streamable-http tools:3

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

run in your project directory

claude mcp add --transport http agent-preflight https://sdn-screen-x402.sdnscreen.workers.dev/mcp

Adds it for this project only. Append --scope user to make it available everywhere. Claude Code docs