Mails.so

Mails.so

Mails is an API service that provides powerful email validation capabilities to help maintain a clean and effective email list.

developer toolsemail
Get your MCP URL

Installation

  1. 1
    Create a Spinrun account

    Sign up for free — no credit card. 5,000 credits on the house.

    Create free account
  2. 2
    Copy your MCP server URL

    Mint a Spinstack gateway key inside Spinrun. Your URL is https://mcp.spinrun.ro/mcp.

    Log in
  3. 3
    Add it to your MCP client

    Paste the URL + bearer token into Claude Desktop or Cursor. Then invoke Mails.so tools from your agent.

Ship Mails.so agents in minutes

One MCP URL, every tool your team uses, hosted and audited.

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