{
  "mcpServers": {
    "com.demisignal/mcp": {
      "url": "https://demisignal.com/mcp?utm_source=mcp-registry",
      "transport": "streamable-http"
    }
  }
}

Claude Desktop MCP documentation (opens in new tab)

AuthorDemiSignal

Version1.0.0

TransportRemote

demisignal.com (opens in new tab)

Servers
/
DemiSignal

DemiSignal

remote

Check a domain's DMARC, SPF, DKIM, MX, BIMI and MTA-STS records. Generate SPF and DMARC records.

Getting Started

npx @getmcp/cli add com.demisignal/mcp

Requires Node.js 18+. Community-contributed server. Review source before installing.

Claude Desktopguide →Vscodeguide →Cursorguide →Windsurfguide →

Configuration

Config file: ~/Library/Application Support/Claude/claude_desktop_config.json

JSON

{
  "mcpServers": {
    "com.demisignal/mcp": {
      "url": "https://demisignal.com/mcp?utm_source=mcp-registry",
      "transport": "streamable-http"
    }
  }
}