MCP Servers

Inbox Zero

★ 11,500

AI personal assistant for email Inbox Zero

Resend Email

★ 546

Send emails directly from your editor using the Resend API.

MCP Email Server

★ 268

Provides IMAP and SMTP access for sending and receiving emails.

AgenticMail

★ 160

Self-hosted email and SMS platform for AI agents — each agent gets a real email address, phone number, inbox, and API key.

Fastmail

★ 122

Interact with Fastmail email, contacts, and calendar data using the Fastmail API.

ClaudePost

★ 113

A seamless email management interface powered by Claude.

Sendmux

★ 109

Sendmux serves AI-native startups, SaaS teams, automation agencies, and platform builders that need AI agents to send, receive, route, and react to email in production. Primary buyers and users include technical founders, founding engineers, backend engineers, platform engineers, AI automation consultants, support automation leads, ops teams, and growth teams using their own Gmail, Outlook, SMTP, or managed Amazon SES sending setup.

Email

★ 78

This server enables users to send emails through various email providers, including Gmail, Outlook, Yahoo, Sina, Sohu, 126, 163, and QQ Mail. It also supports attaching files from specified directories, making it easy to upload attachments along with the email content.

Mailtrap

★ 60

Integrates with Mailtrap Email API.

Gmail MCP

★ 56

A standardized interface for managing, sending, and retrieving emails through the Gmail API.

MCP Headless Gmail Server

★ 55

A headless server to get and send emails via the Gmail API, requiring Google API credentials at runtime.

AgentMail

★ 51

A server for interacting with the AgentMail API for email communication. Requires an API key.

Postmark

★ 45

An MCP server for sending emails via the Postmark service, configured through environment variables.

mail-mcp

★ 40

Most email MCP servers only read from IMAP. mail-mcp does everything: 30 tools for reading, searching, sending, replying, forwarding, and bulk operations across IMAP, SMTP, Microsoft Graph API, and Exchange Web Services. Multi-account, native OAuth2, built in Rust. Works with Gmail, Microsoft 365, Hotmail/Outlook.com, Zoho, and any standard IMAP/SMTP server.

MCP Email Service

★ 38

A service for managing multiple email accounts from various providers like 163, Gmail, QQ, and Outlook.

SendGrid

★ 28

Access SendGrid's Marketing API for email marketing and contact management.

MCP Notify

★ 27

Monitor the Model Context Protocol (MCP) Registry for new, updated, and removed servers. Get real-time notifications via Discord, Slack, Email, Telegram, Microsoft Teams, Webhooks, or RSS feeds. Includes CLI, Go SDK, REST API, and MCP server for AI assistants.

Instantly

★ 24

Manage email campaigns and leads using the Instantly.ai v2 API.

Outlook Assistant

★ 24

MCP server for Outlook email, calendar, and contacts — let your AI assistant manage your inbox directly from the conversation.

Gmail MCP Server

★ 22

Allows AI agents to search Gmail threads, learn your writing style, and draft emails.

Inbox MCP

★ 21

An intelligent, LLM-powered email assistant using the Nylas v3 API.

Outlook MCP Server

★ 21

Read, search, and manage emails in Microsoft Outlook through a standardized interface.

Gmail

★ 19

An MCP server for Gmail, allowing AI assistants to manage emails through natural language.

mailcue-mcp

★ 18

Give AI agents their own local mailbox to read, send, and triage email.

Email Processing

★ 14

An email processing server that uses MongoDB for semantic search and SQLite for efficient storage and retrieval.

SuprSend MCP Server

★ 12

Manage notification workflows, users, preferences, and tenant branding via natural language. Trigger email, SMS, push, WhatsApp, Slack, and in-app notifications from Cursor, Claude Desktop, or Windsurf using 24 tools.

InboxAPI

★ 11

Your Agents' personal email

Gmail MCP Server

★ 10

Send emails with attachments through Gmail's SMTP server using AI agents.

mail-shadow-mcp

★ 10

MCP server for structured, read-only email access. Exposes a minimal, auditable API surface — AI agents can search and read emails, but cannot send, delete, or modify your mailbox.

Gmail MCP Server

★ 8

An MCP server for integrating with the Gmail API to manage emails.