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Email Validator MCP Server

answering

Email Validator is answering right now. Last checked 11 min ago. It exposes 4 tools. Last commit 11 Apr 2026.

Cloudflare Workers MCP server: email-validator

Uptime history 47 days of history
47 days agonow
100.0%
Uptime 24h
91 of 91 checks
4
Tools
read from the server
168 ms
Response time
average over 24h
0
Stars
last commit 11 Apr 2026

Nothing serious here today

Today is the operative word: we check Email Validator every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.

Three servers free · no card

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 11 min ago.

run in your terminal
claude mcp add email-validator --transport http https://api.lazy-mac.com/email-validator/mcp
~/Library/Application Support/Claude/claude_desktop_config.json
{
  "mcpServers": {
    "email-validator": {
      "url": "https://api.lazy-mac.com/email-validator/mcp"
    }
  }
}
~/.codex/config.toml
[mcp_servers.email-validator]
url = "https://api.lazy-mac.com/email-validator/mcp"
.cursor/mcp.json
{
  "mcpServers": {
    "email-validator": {
      "url": "https://api.lazy-mac.com/email-validator/mcp"
    }
  }
}
.vscode/mcp.json
{
  "mcpServers": {
    "email-validator": {
      "url": "https://api.lazy-mac.com/email-validator/mcp"
    }
  }
}

Available tools 4

Read directly from the server with tools/list, grouped by what they act on. If a tool disappears, we record the date.

validate
validate_batch
Batch validate up to 100 email addresses at once. Returns individual results plus summary stats.
validate_email
Validate a single email address with comprehensive checks: syntax (RFC 5322), MX records, disposable domain detection, role-based detection, SPF/DKIM, typo suggestions, and risk scoring (0-100).
domain
check_domain
Check domain reputation: MX records, SPF, DKIM, disposable detection, A record existence, and overall reputation score.
suggest
suggest_fix
Detect common email typos and suggest corrections (e.g. [email protected] -> [email protected]). Covers Gmail, Yahoo, Hotmail, Outlook, iCloud, Protonmail, and more.

Endpoints

URLTransportStateLatencyChecked
https://api.lazy-mac.com/email-validator/mcp streamable-http answering 169 ms 11 min ago

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Email Validator — questions

Answers built from our own checks of this server.

What can Email Validator do?
It exposes 4 tools, read directly from the server on our last check. Among them: check_domain, suggest_fix, validate_batch, validate_email. The full list with descriptions is on this page — we take it from the server itself via tools/list, not from a README. How MCP servers expose tools in the first place →
Is Email Validator working right now?
We send a real MCP handshake every 15 minutes. Over the last 24 hours 91 of 91 checks got a reply (100.0%), average response time 168 ms. The bar chart above shows every period we have measured.
How do I connect Email Validator?
Copy the ready config from this page — we generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each with the file path that client actually reads. It is a remote server, so there is nothing to install — the client connects to the address.
Does Email Validator need an API key?
No. Email Validator completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 4 of them are readable on this page. This is what we observed, not what the docs claim.
How fast is Email Validator?
It answers our handshake in 168 ms on average, which is faster than 73% of all working MCP servers we measure. The comparison comes from our own checks across the whole registry, every 15 minutes.
Is Email Validator open source?
We cannot say either way: written in JavaScript and 0 stars on GitHub, but we could not determine the licence, and without one the code is not open source by default.