MCP Server

Letterkeel: Send Email via SMTP, Resend, SendGrid & Mailgun MCP Server

io.github.CyberMax-tools/send-email

What is the Letterkeel: Send Email via SMTP, Resend, SendGrid & Mailgun MCP server?

Letterkeel: send email from your own domain via SMTP, Resend, SendGrid, Mailgun, Postmark

Copy-paste configuration for popular MCP clients.

transport: http

Config generated by PluginBench — verify against the source before use.

Environment / auth

Authorization
required
secret
Your Apify API token, as 'Bearer <apify-api-token>'. Runs are billed per email recipient accepted to your Apify account.

~/.cursor/mcp.json

{
  "mcpServers": {
    "send-email": {
      "url": "https://mcp.apify.com?tools=cybermax/send-email"
    }
  }
}

Hollerdex: a domain's public emails, phones and social profiles as one ranked contact card.

Capturewren: screenshot any URL (banners removed) plus status, title and clean page text for agents.

Ziplore: US ZIP to county, FIPS, time zone, Census demographics; radius and city ZIPs. Free, no key.

Fieldwright: web page to clean Markdown, metadata, JSON-LD, emails, phones.

Active

EVM onchain data: wallet, token, price, gas, transactions, ENS across 5 chains.

Python

MIT

Active

Token safety oracle (Base & BSC): honeypot/tax sim, contract powers, A-F risk grade.

Python

MIT