Introduction

MoMail is an AI-native email infrastructure platform that enables developers to build intelligent email applications with semantic search, MCP (Model Context Protocol) integration, and vector-powered retrieval.

What is MoMail?

MoMail combines traditional email processing with modern AI capabilities. It provides:

• Semantic Email Search: Find emails using natural language queries with vector similarity matching
• MCP Integration: Connect Claude and other AI assistants directly to your email data
• REST API (/v1/api/*): Mailboxes, domains, API keys, raw MIME download
• MCP (/v1/mcp): Semantic search and email tools for AI assistants

Key Features

Vector Search

Search emails by meaning, not just keywords. Our embedding-based search understands context and intent.

MCP Protocol

Native Model Context Protocol support for seamless AI assistant integration.

Domain Management

Bring your own domains with automatic verification and MX configuration.

Developer Experience

RESTful APIs, comprehensive SDKs, and detailed documentation.

Architecture Overview

MoMail runs on Cloudflare with two main deployable units:

1. App worker (Next.js + OpenNext): Dashboard, landing, docs, /v1/api/* REST, and /v1/mcp MCP (StreamableHTTP)
2. Pipeline worker: Inbound email, queues, embeddings into Vectorize, and storage (D1, R2)

Agents typically use API keys against /v1/api and /v1/mcp on https://momail.io.

Getting Started

New to MoMail? Start with our Quick Start Guide to send your first email in under 5 minutes.

# Install the CLI
npm install -g @momail/cli

# Login and create your first domain
momail login
momail domains create example.com

Need Help?

API Reference Complete endpoint documentation

MCP Integration Connect with Claude Desktop

Email Support Contact our team