MCP For Claude Marketplace
Mailosaur

Mailosaur MCP Connector for Claude

A+

Automate email and SMS testing and management via the Mailosaur REST API.

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

Connect your Mailosaur account to any AI agent to automate your email and SMS testing workflows. This MCP server enables your agent to manage virtual servers (inboxes), retrieve and search for messages, and extract content for validation directly from natural language interfaces.

What you can do

  • Virtual Inbox Oversight — List and manage all virtual servers and retrieve their unique routing domains
  • Message Retrieval — List all email and SMS messages received by a specific server instantly
  • Advanced Search — Find specific messages by sender, recipient, subject, or body content using detailed criteria
  • Content Inspection — Retrieve the full HTML and text content of any message for automated validation
  • Inbox Maintenance — Clear entire server inboxes or delete specific messages via simple commands
  • Dynamic Infrastructure — Create and configure new virtual servers programmatically for testing isolation

How it works

  1. Subscribe to this server
  2. Enter your Mailosaur API Key
  3. Start managing your test communications from Claude, Cursor, or any MCP-compatible client

Who is this for?

  • QA Engineers — Automate the verification of transactional emails and SMS codes via natural language commands
  • Developers — Quickly inspect incoming test emails and clear virtual inboxes directly from your IDE
  • Operations Teams — Monitor automated communication flows and audit incoming messages effortlessly
email-testingsms-testingqa-automationrest-apivirtual-inboxmessage-validation

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

create_virtual_server

Create a new virtual server/inbox

clear_server_inbox

Delete all messages in a server

delete_specific_message

Permanently remove a message

get_message_content

Get the full content of a specific message

get_server_details

Get details for a specific virtual server

list_server_messages

List all messages in a virtual server

search_server_messages

Requires a server ID and criteria like sentTo, sentFrom, or subject. Search for specific messages using criteria

list_virtual_servers

Use this to identify server IDs. List all Mailosaur virtual servers

See how to talk to your AI agent using Mailosaur.

List all my Mailosaur servers.

I've retrieved your servers. You have 3 active environments: 'Production Tests (ID: prod123)', 'Staging Inboxes', and 'Dev Sandbox'.

Find the last message sent to 'test-user@mailosaur.io' in server 'prod123'.

I've searched server prod123. I found 1 message sent to test-user@mailosaur.io with the subject 'Welcome to our Service'. Would you like to see the full content?

Delete all messages in the 'Dev Sandbox' server (ID: 'dev789').

I've successfully cleared the inbox for server dev789. All messages have been permanently removed.

Use the `list_virtual_servers` tool to see a comprehensive list of all servers in your account along with their unique IDs.

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