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MailValid Email Verification

Official registry Productivity

Verify emails: syntax, MX, SMTP mailbox, disposable, role and catch-all checks. Single and bulk.

Website

Install

Add this to your client's MCP configuration (Claude Desktop: claude_desktop_config.json; Cursor: .cursor/mcp.json; VS Code and others use the same "mcpServers" shape).

Remote (streamable-http)
Claude Code 
claude mcp add --transport http mailvalid-email-verification 'https://mailvalid.io/mcp/' --header 'X-API-Key: <Your MailValid API key (starts with mv_live_). Create one at https://mailvalid.io/dashboard/api-keys>'
JSON configuration (Claude Desktop, Cursor, VS Code) 
{
    "mcpServers": {
        "mailvalid-email-verification": {
            "type": "http",
            "url": "https://mailvalid.io/mcp/",
            "headers": {
                "X-API-Key": "<Your MailValid API key (starts with mv_live_). Create one at https://mailvalid.io/dashboard/api-keys>"
            }
        }
    }
}

Frequently asked questions

What is MailValid Email Verification?

Verify emails: syntax, MX, SMTP mailbox, disposable, role and catch-all checks. Single and bulk.

How do I install MailValid Email Verification?

It runs as a remote server. In Claude Code: claude mcp add --transport http mailvalid-email-verification 'https://mailvalid.io/mcp/' --header 'X-API-Key: <Your MailValid API key (starts with mv_live_). Create one at https://mailvalid.io/dashboard/api-keys>'. For other clients, paste the JSON configuration from this page into their MCP settings.

Does MailValid Email Verification need an API key?

Yes. It expects X-API-Key, which you set in its configuration.

Who maintains MailValid Email Verification?

It is published by io.mailvalid. AI.tn lists it but does not maintain or endorse it.

From the official MCP Registry. Listing is not an endorsement: review a server's code and permissions before giving it access to your data.