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MailboxValidator

Email validation MCP server using the MailboxValidator API. It can validate email addresses.

MailboxValidatormailboxvalidator/mcp-mailboxvalidator★ 1Updated May 28, 2026

server.json

{
  "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
  "name": "io.github.MailboxValidator/mcp-mailboxvalidator",
  "description": "Email validation MCP server using the MailboxValidator API. It can validate email addresses.",
  "title": "MailboxValidator",
  "repository": {
    "url": "https://github.com/MailboxValidator/mcp-mailboxvalidator",
    "source": "github"
  },
  "version": "1.0.0",
  "packages": [
    {
      "registryType": "npm",
      "identifier": "mcp-mailboxvalidator",
      "version": "1.0.0",
      "transport": {
        "type": "stdio"
      },
      "environmentVariables": [
        {
          "description": "Your MailboxValidator API key.",
          "isRequired": true,
          "format": "string",
          "isSecret": true,
          "name": "MAILBOXVALIDATOR_API_KEY"
        }
      ]
    }
  ]
}

Permissions

DeclaredDetected
Runs code—node
Installs—npm:mcp-mailboxvalidator@1.0.0
Runs install scripts—None
NetworkNoneNone
Needs credentialsMAILBOXVALIDATOR_API_KEYMAILBOXVALIDATOR_API_KEY
Outside the workspace—None
Agent tools—None

Checks

Low risk · Nothing worth a warning was found.

Not reviewed by a person · Checked by rules; the model review is not switched on yet.

Versions

  1. #11.0.0latestOct 7, 2026