MCP server

Mailvett: Email Validation API for AI Agents

dev.workers.cybermax-tools.cybermax/mailvett

Checked 26 Oct 2026, 08:29 UTC · Connected to it and listed its tools

Mailvett: validate emails. MX, provider, disposable/role/free flags, typo fix, verdict.

Website Source

At a glance

Type

MCP server

Publisher

Not verified

Status

Working at last check

Tools

1

Token cost

About 198 tokens per request

Sets up in

Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok

Last checked

26 Oct 2026, 08:29 UTC

Connect it to your agent

Add to CursorAdd to VS CodeVS Code Insiders

Opens the app, which shows the server and asks you to confirm. For other apps, copy the setup below.

Claude Code

claude mcp add --transport http mailvett https://mailvett.cybermaxtools.com/mcp?via=mcp-registry

Claude Desktop

Settings → Connectors → Add custom connector, and paste the URL.

Codex (config.toml)

[mcp_servers.mailvett]
url = "https://mailvett.cybermaxtools.com/mcp?via=mcp-registry"

Gemini CLI

{"mcpServers":{"mailvett":{"httpUrl":"https://mailvett.cybermaxtools.com/mcp?via=mcp-registry"}}}

Cursor

{"mcpServers":{"mailvett":{"url":"https://mailvett.cybermaxtools.com/mcp?via=mcp-registry"}}}

VS Code

{"servers":{"mailvett":{"type":"http","url":"https://mailvett.cybermaxtools.com/mcp?via=mcp-registry"}}}

Antigravity

agy mcp add mailvett https://mailvett.cybermaxtools.com/mcp?via=mcp-registry

ChatGPT

Settings → Apps & Connectors → Advanced settings: turn on Developer mode, then Create a connector and paste the URL. Which plans can do this varies.

OpenAI API (Responses tools)

{"type":"mcp","server_label":"mailvett","server_url":"https://mailvett.cybermaxtools.com/mcp?via=mcp-registry","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"mailvett","server_url":"https://mailvett.cybermaxtools.com/mcp?via=mcp-registry"}

Tools

• validate_emails ~198 tokens
  Check up to 10 email addresses: syntax, whether the domain exists and has mail servers (MX), mail provider, disposable, role account (info@, sales@), free provider, likely typo with a suggested fix, domain age, SPF and DMARC. Returns verdict (deliverable_likely/risky/undeliverable/invalid), score 0-

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• Email

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