MailboxValidator

claude mcp add mailboxvalidator --env MAILBOXVALIDATOR_API_KEY='<MAILBOXVALIDATOR_API_KEY>' -- npx -y mcp-mailboxvalidator

~/.codex/config.toml

[mcp_servers.mailboxvalidator]
command = "npx"
args = ["-y", "mcp-mailboxvalidator"]
env = { MAILBOXVALIDATOR_API_KEY = "<MAILBOXVALIDATOR_API_KEY>" }

# codex mcp add mailboxvalidator --env MAILBOXVALIDATOR_API_KEY='<MAILBOXVALIDATOR_API_KEY>' -- npx -y mcp-mailboxvalidator

~/.cursor/mcp.json

{
  "mcpServers": {
    "mailboxvalidator": {
      "command": "npx",
      "args": [
        "-y",
        "mcp-mailboxvalidator"
      ],
      "env": {
        "MAILBOXVALIDATOR_API_KEY": "<MAILBOXVALIDATOR_API_KEY>"
      }
    }
  }
}

.vscode/mcp.json

{
  "servers": {
    "mailboxvalidator": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "mcp-mailboxvalidator"
      ],
      "env": {
        "MAILBOXVALIDATOR_API_KEY": "<MAILBOXVALIDATOR_API_KEY>"
      }
    }
  }
}

~/.gemini/settings.json

{
  "mcpServers": {
    "mailboxvalidator": {
      "command": "npx",
      "args": [
        "-y",
        "mcp-mailboxvalidator"
      ],
      "env": {
        "MAILBOXVALIDATOR_API_KEY": "<MAILBOXVALIDATOR_API_KEY>"
      }
    }
  }
}

claude_desktop_config.json

{
  "mcpServers": {
    "mailboxvalidator": {
      "command": "npx",
      "args": [
        "-y",
        "mcp-mailboxvalidator"
      ],
      "env": {
        "MAILBOXVALIDATOR_API_KEY": "<MAILBOXVALIDATOR_API_KEY>"
      }
    }
  }
}

.trae/mcp.json

{
  "mcpServers": {
    "mailboxvalidator": {
      "command": "npx",
      "args": [
        "-y",
        "mcp-mailboxvalidator"
      ],
      "env": {
        "MAILBOXVALIDATOR_API_KEY": "<MAILBOXVALIDATOR_API_KEY>"
      }
    }
  }
}