@MailboxValidator
Email validation MCP server using MailboxValidator API
使用下面的配置,将此服务器添加到你的 MCP 客户端。
{
"mcpServers": {
"mailboxvalidator": {
"command": "npx",
"args": [
"-y",
"mcp-mailboxvalidator"
],
"env": {
"MAILBOXVALIDATOR_API_KEY": "<YOUR_API_KEY>"
}
}
}
}工具列表暂未提供
当前收录暂时没有可展示的工具列表，不代表服务没有工具。请查阅项目文档了解支持的能力。
点击上方按钮,在临时沙箱中运行此服务器并实时获取工具列表。
Mailboxvalidator is a Model Context Protocol (MCP) server that validates email addresses using the MailboxValidator API. It returns validation results such as syntax checks, DNS/MX verification, disposable email detection, and more. Designed for Claude Desktop users, it enables natural language queries about email addresses.
Install dependencies (npm install), build the server (npm run build), then configure Claude Desktop by adding the server to claude_desktop_config.json with your API key. After restarting Claude Desktop, ask queries like “Is (email) a valid email address?” or “Is (email) a free email?” and the model will automatically generate the validation output.
Three tools: `validate_email` (full validation), `check_disposable_email` (disposable check), and `check_free_email` (free email check). Each takes an email address and returns a JSON string with relevant fields.
Sign up for a free MailboxValidator account at [mailboxvalidator.com/plans](https://www.mailboxvalidator.com/plans). After logging in, retrieve your API key from your dashboard. The free plan supports up to 300 queries per month.
Node.js and npm are required. The server runs locally and communicates with Claude Desktop via the MCP protocol. An internet connection is needed to call the MailboxValidator API.
It returns a JSON object with fields: Syntax, DNS & MX Server, Network & Connectivity, Greylisting, Disposable List, High Risk & Suppressed List, and Others (reputation score, etc.). If the request fails, an error message is returned as a string.
No. An API key is mandatory. The environment variable `MAILBOXVALIDATOR_API_KEY` must be set in the Claude Desktop configuration.
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