MCP For Claude Marketplace
Mailtrap

Mailtrap MCP Connector for Claude

A+

Test, debug, and preview emails in a sandbox before sending to production with analytics that catch rendering issues early.

12 tools Official Updated Jun 28, 2026 Official Vinkius Partner
More Details Connect to Claude

Connect your Mailtrap account to any AI agent and manage email testing and delivery through natural conversation.

What you can do

  • Email Sending — Send transactional emails via the Mailtrap API
  • Inbox Testing — Browse testing inboxes and inspect captured emails
  • Message Analysis — Analyze email HTML, spam scores, and headers
  • Delivery Analytics — Track opens, clicks, bounces, and delivery rates
  • Project Management — Manage testing projects and inboxes
  • Account Management — Switch between connected accounts and domains

How it works

  1. Subscribe to this server
  2. Enter your Mailtrap API Key and Account ID
  3. Start testing and sending email from Claude, Cursor, or any MCP-compatible client

Who is this for?

  • Developers — test email flows safely in staging
  • QA Engineers — verify email rendering and spam scores
  • Operations — monitor production transactional delivery
email-sandboxsmtp-testingemail-debugginghtml-analysisspam-scoringtransactional-email

12 tools expose this connector's capabilities to your AI agent.

clear_sandbox_inbox

Delete all emails in inbox

delete_sandbox_message

Delete captured email

get_domain_status

Get domain details

get_message_html

Get email HTML body

get_message_details

Get message metadata

list_accessible_accounts

Get user accounts

list_verified_domains

List sending domains

list_sandboxes

List virtual inboxes

list_sandbox_messages

List messages in inbox

list_mailtrap_projects

List account projects

send_production_email

Send email in production

send_test_email

Send test email to sandbox

See how to talk to your AI agent using Mailtrap.

Show testing inboxes and recent captured emails.

Inboxes: 3 active. 'Staging Env' (45 messages), 'QA Pipeline' (12), 'Dev Local' (0). Staging Latest: 'Welcome User' (to: test@user.com). Received: 2 min ago. Spam Score: 0.1 (Excellent ✅). HTML size: 45 KB. B2B Client Support: 98% compatibility.

Show transactional sending analytics for this week.

Sending (7 days): 12,500 emails. Delivered: 12,250 (98% ✅). Bounces: 150 (1.2%). Hard: 45, Soft: 105. Open rate: 45%. Click rate: 12%. Spam complaints: 2 (0.01%). Top template: 'Password Reset' (3,400 sent, 100% delivered). Delivery speed: avg 1.2s.

Analyze the spam score for the last captured email.

Analysis for message 'Invoice #890': Overall Spam Score: 2.4 (Good ✅, threshold is 5.0). SpamAssassin checks: 0.0 HTML_MESSAGE, 0.1 MIME_HTML_ONLY. Blacklists: Not listed on 18/18 checks ✅. Authentication: SPF pass, DKIM pass. Recommendation: Improve text-to-image ratio.

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

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