Server data from the Official MCP Registry
Email validation MCP server using the MailboxValidator API. It can validate email addresses.
Email validation MCP server using the MailboxValidator API. It can validate email addresses.
Valid MCP server (2 strong, 3 medium validity signals). No known CVEs in dependencies. Package registry verified. Imported from the Official MCP Registry.
3 files analyzed · 1 issue found
Security scores are indicators to help you make informed decisions, not guarantees. Always review permissions before connecting any MCP server.
This plugin requests these system permissions. Most are normal for its category.
Set these up before or after installing:
Environment variable: MAILBOXVALIDATOR_API_KEY
Add this to your MCP configuration file:
{
"mcpServers": {
"io-github-mailboxvalidator-mcp-mailboxvalidator": {
"env": {
"MAILBOXVALIDATOR_API_KEY": "your-mailboxvalidator-api-key-here"
},
"args": [
"-y",
"mcp-mailboxvalidator"
],
"command": "npx"
}
}
}From the project's GitHub README.
This is a simple Model Context Protocol (MCP) server implementation for MailboxValidator API. It will return validation result for an email address.
This MCP server requires an API key. You can also sign up for a free API key and enjoy up to 300 queries per month.
The setup also uses Node.js and npm, which can be downloaded at Node.js website.
Follow the steps to use this MCP server with Claude Desktop:
claude_desktop_config.json. If you don't have that file yet, follow this guide to create one.{
"mcpServers": {
"mailboxvalidator": {
"command": "npx",
"args": [
"-y",
"mcp-mailboxvalidator"
],
"env": {
"MAILBOXVALIDATOR_API_KEY": "<YOUR_API_KEY>"
}
}
}
}
<YOUR_API_KEY> in the above with your actual API key.Search and tools menu.Just enter your query about the email address in a chat in Claude Desktop. Some of example queries are:
In Claude Desktop, the model will automatically generate the output based on the result returned by MailboxValidator MCP server.
MAILBOXVALIDATOR_API_KEY
The free MailboxValidator API key allows you to query up to 300 emails per month. If you require more, you can sign up for a paid API plan.
validate_email
Description Validates the email address given. It helps users to determine if an email address is potentially reachable by checking the syntax, DNS, MX server, disposable list and more.
Arguments email (str): The email address to validate.
Returns A JSON string containing the validation data. The result includes the following fields:
If the request fails, the tool will return an error message as a string.
check_disposable_email
Description Checks if the email address given is from a disposable email provider.
Arguments email (str): The email address to check.
Returns A JSON string containing the disposable email data. The result includes the following fields:
If the request fails, the tool will return an error message as a string.
check_free_email
Description Checks if the email address given is from a free email provider.
Arguments email (str): The email address to check.
Returns A JSON string containing the free email data. The result includes the following fields:
If the request fails, the tool will return an error message as a string.
See the LICENSE file.
Be the first to review this server!
by Modelcontextprotocol · Developer Tools
Read, search, and manipulate Git repositories programmatically
by Toleno · Developer Tools
Toleno Network MCP Server — Manage your Toleno mining account with Claude AI using natural language.
by mcp-marketplace · Developer Tools
Create, build, and publish Python MCP servers to PyPI — conversationally.