B2B Email & Domain Scorer MCP Server

About B2B Email & Domain Scorer

Remote MCP server (Streamable HTTP) for sales and lead-gen agents. score_email returns a 0-100 score, a verdict and reasons: business/free/role/disposable detection, typo suggestions (gmial.com -> gmail.com), MX and mail provider, optional SPF/DMARC. Also score_domain and score_batch (paid). Free demo endpoint, no auth, 10 calls/IP/day: https://email-scorer.mohamed-bahaa53000.workers.dev/demo/mcp. Production access is paid per request on RapidAPI.

B2B Email & Domain Scorer tools (2)

Read from the live server on Oct 26, 2026. These are the tools your AI assistant can call once connected.

score_email

Decide what to do with one lead email: action keep / fix (with the corrected address in send_to) / review / drop, plus a plain-English action_reason. Also returns verdict business / free / role / disposable / risky / invalid / unknown, a 0-

score_domain

Check a company domain (or URL / email): MX records, mail provider (Google Workspace, Microsoft 365, ...), free/disposable flags, and SPF/DMARC. Useful before outreach or when qualifying a lead's company.

How to connect B2B Email & Domain Scorer to Claude, Cursor or VS Code

B2B Email & Domain Scorer runs as a hosted remote MCP server at https://email-scorer.mohamed-bahaa53000.workers.dev/demo/mcp. Add that URL to your MCP client's config (Claude Code, Cursor, Windsurf or VS Code) and the tools appear immediately, no install required.

{
  "mcpServers": {
    "b2b-email-domain-scorer": {
      "url": "https://email-scorer.mohamed-bahaa53000.workers.dev/demo/mcp"
    }
  }
}

Claude Code: claude mcp add --transport http b2b-email-domain-scorer https://email-scorer.mohamed-bahaa53000.workers.dev/demo/mcp. Servers that require OAuth or an API key will prompt on first use.