SMTPing Email Verification MCP Server: Install & Setup

Install SMTPing Email Verification in Claude Code

Remote URL

Claude Code

claude mcp add --transport http smtping-email-verification https://mcp.smtping.com/mcp

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

{
  "mcpServers": {
    "smtping-email-verification": {
      "url": "https://mcp.smtping.com/mcp"
    }
  }
}

npm

Claude Code

claude mcp add smtping-email-verification -e SMTPING_API_KEY=... -- npx -y @smtping/mcp

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

{
  "mcpServers": {
    "smtping-email-verification": {
      "command": "npx",
      "args": [
        "-y",
        "@smtping/mcp"
      ],
      "env": {
        "SMTPING_API_KEY": "..."
      }
    }
  }
}

Replace each ... with your own value.

Frequently asked questions

What does the SMTPing Email Verification MCP server do?

Verify email addresses, clean lists and check spamtrap, disposable, spambot and complainer lists.

Is the SMTPing Email Verification MCP server free?

The server is free, but you will likely need an account. The server itself is free, but it connects to a service that needs an account or API key, which may have paid tiers. Check the provider for current pricing.

Does SMTPing Email Verification run locally or remotely?

Local + Remote. Can run locally or be used as a hosted remote server.

How do I add SMTPing Email Verification to Claude Code?

Run: claude mcp add --transport http smtping-email-verification https://mcp.smtping.com/mcp

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