• AUTOMATED
  • AUTOMATED
  • MANUAL
  • AUTOMATED

How to automate email verification testing with your AI

Connect Mailsac once. From there, your agent handles the entire loop of creating test addresses and reading incoming verification codes.

Ask AI about this page

Short answer

How do I automate email verification with my AI?

Your agent uses Mailsac to reserve temporary addresses and monitor them for incoming messages. It pulls the plain text from the inbox so it can grab OTP codes or verification links. This setup handles the repetitive parts of the testing loop.

The testing outcomes.

What your agent delivers.

The AI handles the mailbox interaction so you can focus on the application logic.

AUTOMATED

Instant OTP extraction

The AI reads the email body and pulls the code. You don't have to manually check an inbox to move to the next step.

AUTOMATED

Disposable address management

Your agent creates and uses unique addresses for every test run. This keeps your testing environment clean and isolated.

MANUAL

Edge case review

If an email doesn't arrive or the format changes, the AI flags the issue. You step in to inspect the specific message content.

AUTOMATED

Sign-up flow validation

The AI confirms the email actually hit the inbox. This proves your registration system is working as intended.

The workflow

What your AI does when <the thing arrives>.

The AI manages the mailbox so you don't have to.

  1. Create a test mailbox

    The agent generates a fresh, temporary email address to use for the sign-up attempt.

    reserve_new_address

  2. Monitor the inbox

    After the sign-up is triggered, the AI checks the mailbox for any new incoming messages.

    list_inbox_messages

  3. Read the verification code

    The AI looks inside the specific message to find the text containing the OTP or link.

    get_plain_text_body

  4. Verify delivery

    The agent confirms the message was received and provides the content for the next step in your test.

    list_inbox_messagesget_plain_text_body

Try it

Copy these to start.

Use these prompts to kick off your testing tasks.

Starting points

These are opening lines. Swap in your specific test email domain or the app name you're testing.

Mailsac Connector

You're all set. Choose your MCP client and follow the setup instructions.

Connector linkhttps://edge.vinkius.com/vk_preview_bmGU0B3mzhr77Bq8AeBVT3IIEbjEAHxufRNhHlOM/mcp

Claude Desktop

Follow the steps below to connect in seconds.

  1. 1In Claude Desktop, open Settings → Connectors.
  2. 2Click “Add custom connector” and paste the connector link above as the remote MCP server URL.
  3. 3Click Add and start a new chat — Mailsac capabilities are ready to use.
Configuration · claude_desktop_config.jsonCopy
{
  "mcpServers": {
    "mailsac-mcp": {
      "url": "https://edge.vinkius.com/vk_preview_bmGU0B3mzhr77Bq8AeBVT3IIEbjEAHxufRNhHlOM/mcp"
    }
  }
}
Copy into chat04

  • Reserve a new Mailsac address for testing my sign-up flow.

  • Check the Mailsac inbox for a verification email sent to test@example.com.

  • Get the plain text from the latest email in the Mailsac inbox to find the OTP.

  • Run a full test: reserve an address, trigger a sign-up, and grab the code from the inbox.

  • Claude
  • ChatGPT
  • Cursor
  • VS Code
  • Windsurf
  • Claude Code
  • JetBrains
  • Cline

Start here

Connect Mailsac once, then ask.

You only need to link your Mailsac account once. Your credentials stay encrypted, and you can immediately start giving commands to your agent.

Connect Mailsac to your AI

FAQ

How this task behaves.

  • 01

    Can the AI delete emails from my Mailsac inbox?

    No. The AI can only list messages and read their content.

  • 02

    Can the AI send emails through Mailsac?

    No. This MCP is designed for receiving and reading incoming test emails.

  • 03

    Does the AI need me to provide the email address every time?

    No. You can tell the AI to reserve a new address for you using the available tools.

  • 04

    Can the AI change my Mailsac account settings?

    No. The AI only interacts with the inbox and address reservation tools.

  • 05

    How does the AI get the OTP code?

    The AI lists the messages in the inbox and then reads the plain text body of the relevant email.

  • More questions about Mailsac? See everything the Mailsac Connector can do

Connect Mailsac to Claude, Cursor, ChatGPT & more