DemiSignal MCP Server: Install & Setup

Install DemiSignal in Claude Code

Claude Code

claude mcp add --transport http demisignal https://demisignal.com/mcp?utm_source=awesome-mcp-servers

mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)

{
  "mcpServers": {
    "demisignal": {
      "url": "https://demisignal.com/mcp?utm_source=awesome-mcp-servers"
    }
  }
}

Frequently asked questions

What does the DemiSignal MCP server do?

Grade a domain's live DMARC, SPF, DKIM, MX, BIMI and MTA-STS records, and generate SPF and DMARC records.

Is the DemiSignal MCP server free?

Yes, most likely. Open source and no paid account or API key is mentioned in the listing. Check the provider for current pricing.

Does DemiSignal run locally or remotely?

Remote. Hosted by the provider. You connect with a URL, nothing to install.

How do I add DemiSignal to Claude Code?

Run: claude mcp add --transport http demisignal https://demisignal.com/mcp?utm_source=awesome-mcp-servers

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