Open-source alternatives to Agentmail Toolkit

MCP server for the Inxmail Commerce transactional API — events, sendings, bounces, blocklist, blacklist, reactions, and delivery tracking from Claude.

An MCP server that provides safe access to your iMessage database through Model Context Protocol (MCP). This server is built with the FastMCP framework and the imessagedb library, enabling LLMs to query and analyze iMessage conversations with proper phone number validation and attachment handling.

An MCP server application that sends various types of messages to the WeCom group robot.

Apple Mail MCP server with full-coverage FTS5 body search. Reliable on large mailboxes where AppleScript-based servers timeout.

A Mattermost integration that connects to Model Context Protocol (MCP) servers, leveraging a LangGraph-based Agent.

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

Unified MCP server for email access across Gmail, Outlook, iCloud, and IMAP

This project is a Model Context Protocol (MCP) server for interacting with the VRChat API.

Unofficial MCP server for Proton Mail (not affiliated with Proton AG) — send, read, search & organize email over SMTP/IMAP

This project is a Model Context Protocol server that acts as a programmatic bridge between large language models and private messaging accounts. It provides an automation interface for interacting with WhatsApp by exposing messaging and data retrieval capabilities as tools for AI assistants. The system utilizes browser automation to control the web application interface, allowing for stateful session management to maintain authentication. It enables the transmission of various content types, including plain text, documents, and audio files formatted as voice messages. The server covers conve

CLI and MCP server for DoubleTick email read tracking

MCP server for sending physical mail with Solana cryptocurrency. Colosseum Agent Hackathon submission.

MCP server for the PostStack Email API — 84 tools, 5 prompts, 5 resources for AI agents.

This Model Context Protocol (MCP) server provides a bridge between LLMs and Google Tasks, allowing you to manage your task lists and tasks directly through Claude.

The most complete MCP server for the Resend email API — full API coverage plus a unique debug/diagnostics layer.

Email, SMS & phone-call infrastructure for AI agents — send and receive real email and text messages, and place agent-driven outbound voice calls, all programmatically

An MCP (Model Context Protocol) server implementation for Microsoft Teams integration, providing capabilities to read messages, create messages, reply to messages, mention members.

Telegram MCP for managing dialogs, messages, drafts, read statuses, and more.

A Model Context Protocol (MCP) server for interacting with Twitter.

Telegram MCP server powered by Telethon to let MCP clients read chats, manage groups, and send/modify messages, media, contacts, and settings.

Official Qorami SDK — JS/Python clients, tool schemas and an MCP server so AI agents check email before sending. https://qorami.fr

IMAP/SMTP email for AI agents -- read, send, organize folders, and manage attachments across multiple accounts, with auto-discovery.

Email MCP server with full IMAP SMTP support — read, search, send, manage, and organize email from any AI assistant via the Model Context Protocol

MCP server for Hey.com: read, send, search, and organise email from Claude or any MCP client. Runs locally, stores no credentials, respects rate limits.

A Model Context Protocol (MCP) server for interacting with Microsoft 365 and Office services through the Graph API