Changelog

Stay updated with the latest features and improvements.

v1.3.0 Jun 6, 2026

Mailloop for AI agents over MCP

Connect your coding agent to Mailloop with the Model Context Protocol. Create sandboxes, wait for captured emails, and test transactional email end to end, right from the assistant.

Feature

An MCP server your agent connects to, over OAuth or an API key

Feature

A Claude plugin that installs the server and its tools in one command

Feature

An Agent Skill that teaches the email-testing workflow, exported to SKILL.md and AGENTS.md

v1.2.0 May 11, 2026

Webhooks

Sandboxes can now push email events to your endpoint the moment a message arrives, so you no longer have to poll the API to know an email landed.

Feature

Webhooks that notify your endpoint the moment an email arrives

v1.1.0 Jan 22, 2026

Released API and JavaScript SDK

You can now access the Mailloop API and use the JavaScript SDK to interact with the Mailloop, ideal for testing automation

Feature

Exposed API for programmatic access

Feature

JS SDK for easier integration into your projects

v1.0.0 Oct 4, 2025

First release

Test the email sending functionality and preview the email content

Feature

Retrieve all emails from your sandbox

Feature

Preview email content

Feature

Analyze email analytics