SMTPing Email Verification MCP Server

io.github.smtping/smtping-mcp

Repository Registry

What is the SMTPing Email Verification MCP server?

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

How to install SMTPing Email Verification

Copy-paste configuration for popular MCP clients.

transport: stdio

Config generated by PluginBench — verify against the source before use.

Environment / auth

SMTPING_API_KEY
required
secret
Your SMTPing API key, from https://app.smtping.com

~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "smtping-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@smtping/mcp"
      ],
      "env": {
        "SMTPING_API_KEY": "<YOUR_SMTPING_API_KEY>"
      }
    }
  }
}

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