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mcp/harbor
Claude Code

Lookproof DNS and mail security checks for Claude Code

io.github.lookproof/lookproof-mcp

SPF, DKIM, DMARC, MTA-STS, DNSSEC, TLS and DNS checks for domains, paid per call in USDC (x402)

client:Claude Code transport:stdio runtime:pypi

Install Lookproof DNS and mail security checks in Claude Code

run in your project directory

Held in this page only — never stored, logged, or sent anywhere but back to your screen. 

claude mcp add lookproof-mcp -e X402_PAY=<X402_PAY> -e PRIVATE_KEY_FILE=<PRIVATE_KEY_FILE> -e PRIVATE_KEY=<PRIVATE_KEY> -e MAX_SPEND_USD=<MAX_SPEND_USD> -e PAYTO_ALLOWLIST=<PAYTO_ALLOWLIST> -- uvx lookproof-mcp

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

Lookproof DNS and mail security checks in other clients

Lookproof DNS and mail security checks MCP server