Lookproof DNS and mail security checks

Local install

io.github.lookproof/lookproof-mcpv0.1.0 GitHub verified

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

Security

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Registry entry

Open in the registry

{
  "_meta": {
    "io.modelcontextprotocol.registry/official": {
      "status": "active",
      "isLatest": true,
      "updatedAt": "2026-11-05T15:49:31.287422Z",
      "publishedAt": "2026-11-05T15:49:31.287422Z",
      "statusChangedAt": "2026-11-05T15:49:31.287422Z"
    }
  },
  "server": {
    "name": "io.github.lookproof/lookproof-mcp",
    "title": "Lookproof DNS and mail security checks",
    "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
    "version": "0.1.0",
    "packages": [
      {
        "version": "0.1.0",
        "transport": {
          "type": "stdio"
        },
        "identifier": "lookproof-mcp",
        "runtimeHint": "uvx",
        "registryType": "pypi",
        "registryBaseUrl": "https://pypi.org",
        "environmentVariables": [
          {
            "name": "X402_PAY",
            "description": "Set to 1 to pay for calls. Without it every tool is a dry run that only reports the price."
          },
          {
            "name": "PRIVATE_KEY_FILE",
            "description": "Path to a file (chmod 600) with the private key of a dedicated wallet holding a few dollars of USDC on Base"
          },
          {
            "name": "PRIVATE_KEY",
            "isSecret": true,
            "description": "Private key of a dedicated wallet (alternative to PRIVATE_KEY_FILE)"
          },
          {
            "name": "MAX_SPEND_USD",
            "default": "0.10",
            "description": "Spending cap per session (one server process) in USD"
          },
          {
            "name": "PAYTO_ALLOWLIST",
            "description": "Optional comma-separated addresses the server may pay; a 402 asking for any other payTo is refused"
          }
        ]
      }
    ],
    "repository": {
      "url": "https://github.com/lookproof/x402-examples",
      "source": "github",
      "subfolder": "mcp-server"
    },
    "websiteUrl": "https://lookproof.dev",
    "description": "SPF, DKIM, DMARC, MTA-STS, DNSSEC, TLS and DNS checks for domains, paid per call in USDC (x402)"
  }
}

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Try it

This server only runs locally, from a package. Install it with the instructions on this page to try it.

Install

Pick your client. Values in capitals, like YOUR_TOKEN, are yours to fill in.

One click: Add to Cursor Add to VS Code Add to LM Studio Add to Goose

Run in a terminal

claude mcp add lookproof-mcp \
  -- uvx lookproof-mcp==0.1.0

Environment

X402_PAY (optional, not in the config above): Set to 1 to pay for calls. Without it every tool is a dry run that only reports the price.
PRIVATE_KEY_FILE (optional, not in the config above): Path to a file (chmod 600) with the private key of a dedicated wallet holding a few dollars of USDC on Base
PRIVATE_KEY (optional, not in the config above): Private key of a dedicated wallet (alternative to PRIVATE_KEY_FILE)
MAX_SPEND_USD (optional, not in the config above): Spending cap per session (one server process) in USD
PAYTO_ALLOWLIST (optional, not in the config above): Optional comma-separated addresses the server may pay; a 402 asking for any other payTo is refused

Tools

We don't run packages, so we can't list this server's tools.