Verify email addresses, clean lists, and audit a domain SPF, DKIM, DMARC and MX setup.
Connect Runs on your machine
claude mcp add email-validation -e MAIL7_API_KEY=<MAIL7_API_KEY> -e MAIL7_BASE_URL=<MAIL7_BASE_URL> -- npx -y [email protected]{
"mcpServers": {
"email-validation": {
"command": "npx",
"args": [
"-y",
"[email protected]"
],
"env": {
"MAIL7_API_KEY": "<MAIL7_API_KEY>",
"MAIL7_BASE_URL": "<MAIL7_BASE_URL>"
}
}
}
}{
"mcpServers": {
"email-validation": {
"command": "npx",
"args": [
"-y",
"[email protected]"
],
"env": {
"MAIL7_API_KEY": "<MAIL7_API_KEY>",
"MAIL7_BASE_URL": "<MAIL7_BASE_URL>"
}
}
}
}{
"servers": {
"email-validation": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"[email protected]"
],
"env": {
"MAIL7_API_KEY": "<MAIL7_API_KEY>",
"MAIL7_BASE_URL": "<MAIL7_BASE_URL>"
}
}
}
}Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.
Tools
This server runs locally, so its tools are listed by your MCP client once it starts.
Environment variables
| Name | Description |
|---|---|
MAIL7_API_KEYOptional, secret | Mail7 API key. Optional, but anonymous callers are limited to 5 checks per minute and a 25-address bulk sample. Get one at https://mail7.net/account/ |
MAIL7_BASE_URLOptional | Override the API endpoint. Defaults to https://mail7.net/api |
Details
| Package | [email protected] (NPM, stdio) |
| First published | 13 Aug 2026 |
| Last updated | 13 Aug 2026 |
| Registry name | net.mail7/email-validation |
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