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InboxVet

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Verify emails (syntax, MX, SMTP mailbox, catch-all), test email DNS and check Spamhaus blocklists.

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 inboxvet 'https://inboxvet.com/api/mcp' --header 'X-API-Key: <Your InboxVet API key. Create one in the dashboard at https://inboxvet.com/dashboard/api-keys (new accounts get 100 free credits).>'
JSON configuration (Claude Desktop, Cursor, VS Code) 
{
    "mcpServers": {
        "inboxvet": {
            "type": "http",
            "url": "https://inboxvet.com/api/mcp",
            "headers": {
                "X-API-Key": "<Your InboxVet API key. Create one in the dashboard at https://inboxvet.com/dashboard/api-keys (new accounts get 100 free credits).>"
            }
        }
    }
}

Frequently asked questions

What is InboxVet?

Verify emails (syntax, MX, SMTP mailbox, catch-all), test email DNS and check Spamhaus blocklists.

How do I install InboxVet?

It runs as a remote server. In Claude Code: claude mcp add --transport http inboxvet 'https://inboxvet.com/api/mcp' --header 'X-API-Key: <Your InboxVet API key. Create one in the dashboard at https://inboxvet.com/dashboard/api-keys (new accounts get 100 free credits).>'. For other clients, paste the JSON configuration from this page into their MCP settings.

Does InboxVet need an API key?

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

Who maintains InboxVet?

It is published by com.inboxvet. 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.