Skip to content
Vinkius

Mailtrap Connector for AI agents.

12 live capabilities

Test and debug transactional emails in a sandbox before they hit production.

Live agent request Mailtrap / Connector

Waiting for input…

AI Agent

Why people use Mailtrap

Mailtrap for Debugging Transactional Emails

This Connector changes that. You can just tell your agent to send a test and check the results. It pulls the HTML and the spam score into your chat immediately, letting you fix issues in seconds rather than minutes.

  • Claude
  • ChatGPT
  • Gemini
  • Cursor
  • Visual Studio Code
  • Windsurf

What Vinkius changes

You get a way to manage your entire email testing lifecycle through a natural conversation with your agent.

Use it from Claude, ChatGPT, Cursor or another AI client you already have.

One account · 5,900+ Connectors

  1. Real-world use case 01

    Verifying a new sign-up flow

    A developer wants to check if a new sign-up email renders correctly on mobile.

  2. Real-world use case 02

    QA layout verification

    A QA engineer needs to verify a new marketing blast.

  3. Real-world use case 03

    Monitoring bounce rates

    An ops lead wants to see why emails are bouncing.

Complete set · 12capabilities

The complete Mailtrap capability set.

These are the exact actions your AI can choose when you ask it to work with Mailtrap.

Capability set01 / 03

01—04

4 capabilities in this set.

Part of 12 available through Mailtrap.

  1. 01 Capability

    Clear sandbox inbox

    Wipe all messages from a specific test inbox. Use this to reset your environment for a fresh test run.

  2. 02 Capability

    Delete sandbox message

    Remove a specific captured email from your sandbox. This helps you clean up specific test results.

  3. 03 Capability

    Get domain status

    Check the current status and details of a specific sending domain. This helps you verify if your domain is ready for use.

  4. 04 Capability

    Get message html

    Pull the raw HTML body from a captured email message. Use this to inspect the code of a rendered email.

Capability set02 / 03

05—08

4 capabilities in this set.

Part of 12 available through Mailtrap.

  1. 05 Capability

    Get message details

    Get the metadata and headers for a specific message. This is great for checking auth passes and spam scores.

  2. 06 Capability

    List accessible accounts

    See all the Mailtrap accounts you have connected. Use this to manage multiple user profiles.

  3. 07 Capability

    List verified domains

    View all domains that are currently verified for sending. This ensures you know which domains are active.

  4. 08 Capability

    List sandboxes

    See a list of all your active virtual testing inboxes. You can use these to organize different test flows.

Capability set03 / 03

09—12

4 capabilities in this set.

Part of 12 available through Mailtrap.

  1. 09 Capability

    List sandbox messages

    List the messages currently sitting in a specific sandbox. This helps you see what has been captured so far.

  2. 10 Capability

    List mailtrap projects

    View all the projects organized in your account. Use this to keep different client work separated.

  3. 11 Capability

    Send production email

    Send a real email to a production recipient. This capability allows for live transactional sending via your agent.

  4. 12 Capability

    Send test email

    Send a test email to a sandbox for previewing. This is the safest way to verify your email templates.

Set up in minutes

One URL. Then ask Mailtrap to work.

Claude and ChatGPT only need the Connector URL. Copy it once, add it in settings, and use Mailtrap from the conversation.

Choose your client

Live preview
Advanced clients IDE · CLI

Claude · Web + desktop

Official guide ↗

Connector URL · ready to paste

Streamable HTTP
https://edge.vinkius.com/vk_preview_Ad5Juop0aQx2ay54WiDoJvVK7YtPyDjMRVyTPy0Y/mcp
  1. Step 01

    Open Connectors

    In Claude Web or Claude Desktop, open Settings and choose Connectors.

  2. Step 02

    Add the URL

    Choose Add custom connector, name it Mailtrap, and paste the URL above.

  3. Step 03

    Turn it on in chat

    Select +, open Connectors, and enable Mailtrap for the conversation.

Where the request belongs

Work Mailtrap can move forward.

Built around the request

Developers who need to verify email flows without spamming real users, QA engineers checking for layout breaks, and ops teams monitoring production health.

01

QA Engineer

Verifies that transactional emails look right on mobile and desktop.

02

Backend Developer

Sends test emails to verify API triggers work correctly.

03

Operations Lead

Monitors production delivery rates and bounce stats for key projects.

Build the capability set

Add more capabilities.

Each Connector adds new actions and data without changing how you work.

Browse Connectors
SendGrid logo
01 12 capabilities

SendGrid

Deliver transactional and marketing emails at massive scale with industry-leading deliverability and real-time analytics.

View Connector
Postmark logo
02 10 capabilities

Postmark

Equip your AI to send emails, monitor delivery stats, track bounces, and manage Postmark templates directly from your chat.

View Connector
Mailinator logo
03 12 capabilities

Mailinator

Test email workflows with disposable inboxes that catch every message without touching production mailboxes or real addresses.

View Connector
UniOne logo
04 12 capabilities

UniOne

Send transactional and bulk emails with high deliverability, detailed analytics, and infrastructure that handles millions of messages.

View Connector
Mailgun (Transactional Email & Domains) logo
05 10 capabilities

Mailgun (Transactional Email & Domains)

Manage email infrastructure via Mailgun. send transactional emails, monitor domain health, and audit delivery logs.

View Connector

Bring your own AI

Change the model, client or framework. Keep Mailtrap connected.

  • Claude
  • ChatGPT
  • Gemini
  • Cursor
  • VS Code
  • Windsurf
  • ZCode
  • Cline
  • Zed
  • Continue
  • Kiro
  • Roo Code
  • Zencoder
  • Goose
  • Void
  • Augment Code
  • Amp
  • Qodo
  • Tabnine
  • Pieces
  • Sourcegraph Cody
  • JetBrains
  • Warp
  • Amazon Q
  • Antigravity
  • BoltAI
  • Raycast
  • Jan
  • LM Studio
  • AnythingLLM
  • Open WebUI
  • Msty
  • Cherry Studio
  • LibreChat
  • TypingMind
  • Chorus
  • 5ire
  • n8n
  • LangChain
  • LlamaIndex
  • CrewAI
  • Vercel AI SDK

Before you connect

Questions about Mailtrap.

The practical details behind the request, access and result.

Can I use Mailtrap MCP to test my production emails?

Yes, it has a specific capability for production, but it's primarily designed for testing in a sandbox environment.

Does Mailtrap MCP help with spam scores?

Yes, it pulls the score and headers for your messages so you can check if they are likely to be flagged.

How do I switch between different test inboxes?

You can just ask your agent to switch to a specific sandbox or project name.

Can it check if my HTML is broken?

Yes, it can pull the HTML body of any captured email directly into your chat for inspection.

Does this Connector send emails to real people?

Only if you specifically use the production capability. Most users use it to send test emails to a sandbox.

Can I clear my test inbox?

Yes, your agent can wipe the sandbox for you to keep your testing environment clean.

Can I both test and send emails with Mailtrap?

Yes. Mailtrap supports both Email Testing (capturing emails in staging) and Email Sending (transactional delivery in production).

Does Mailtrap require an Account ID?

Yes. You need both an API Key and Account ID to authenticate via Bearer token against mailtrap.io/api.

Can I analyze spam scores and HTML rendering?

Yes. Mailtrap analyzes captured emails for spam score (SpamAssassin), blacklists, HTML errors, and client support.

One connection away

Give your agent a direct line to Mailtrap.

Connect Mailtrap once. Keep it beside 5,900+ managed Connectors when the next task needs more.

Explore every Connector No credit card required · Free tier available