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mcp/harbor
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OFAC Wallet Screen, DNS & Email Auth (x402) MCP

v1.2.0

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.

transport:streamable-http tools:3
Website

Target client

run in your project directory 

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

setup guides: Claude Code Claude Desktop Cursor VS Code Zed Windsurf Cline Gemini CLI Grok ChatGPT Claude.ai LangChain

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

ofac_wallet_screen

ofac wallet screen

dns_lookup

dns lookup

email_auth_check

email auth check

All 3 tools, one page each

Mutating and Read-only are read off each tool's name, not its schema — a hint, not a guarantee. Check the server's own documentation before granting access.