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Verify emails: syntax, MX, SMTP mailbox, disposable, role and catch-all checks. Single and bulk.
npx @getmcp/cli add io.mailvalid/email-verifierRequires Node.js 18+. Community-contributed server. Review source before installing.
X-API-KeyYour MailValid API key (starts with mv_live_). Create one at https://mailvalid.io/dashboard/api-keys
Config file: ~/Library/Application Support/Claude/claude_desktop_config.json
{
"mcpServers": {
"io.mailvalid/email-verifier": {
"url": "https://mailvalid.io/mcp/",
"transport": "streamable-http",
"headers": {
"X-API-Key": ""
}
}
}
}