"A server that supports Server-Sent Events (SSE)" matching MCP servers:

Enables AI agents to analyze whether they should send an email, evaluating passive aggression and regret probability with a recommendation heavily weighted toward no.

An MCP server that enables AI agents to manage Smartlead campaigns, including creating campaigns, updating schedules, managing email sequences, and adding leads, all over SSE.

Provides email sending and receiving via SMTP/IMAP/POP3, supporting major email providers and dynamic authentication for AI assistant integration.

Enables AI assistants to interact with Microsoft 365 and Office services through the Microsoft Graph API, providing tools for email, calendar, files, Teams, SharePoint, and more with configurable permissions and output formats.

Enables AI agents to send emails, create drafts in Gmail, and append content to Google Docs via standardized MCP tools.

Lets Claude read email and read/write calendar events for personal Microsoft accounts (Hotmail/Outlook/Live) via Microsoft Graph API, filling the gap where the official connector only supports work/school accounts.

Enables sending emails and listing sent emails with delivery status and open/click counts via the Maillog API.

Enables an assistant to send email and list sent emails through the Maillog email API.

Reads and searches Thunderbird mail from local mbox files and sends mail via SMTP using auto-discovered identities, filing copies in Thunderbird's Sent folder.

A comprehensive MCP server for Less Annoying CRM providing 87 tools for contacts, pipelines, tasks, events, notes, emails, files, and more.

Enables AI agents to send and manage emails, domains, contacts, audiences, and campaigns via the SendHustle email API using natural language. Supports stdio and HTTP transports with tools covering inbound emails, segments, topics, templates, automations, webhooks, logs, events, and API keys.

Enables AI agents to search, read, and draft emails across multiple Gmail accounts using short aliases, while requiring human approval before any message is sent.

An MCP server that creates calendar events for FIFA World Cup matches and sends email reminders with match details.

Enables Claude to work across several Google accounts at once, searching every Gmail inbox, reading and drafting email, browsing Drive, and checking or scheduling across multiple Calendars in a single conversation. It supports tags for grouping accounts and cross-account tasks, and only creates drafts, files, and events rather than sending anything without you.

Enables reading, searching, organizing, archiving, and drafting email and calendar events in a locally running classic desktop Outlook via COM, with attachment saving and safety boundaries that prevent sending or deleting mail.

An MCP server that enables AI assistants to interact with Google Calendar and Gmail, allowing users to manage events, send emails, and organize their inbox through natural language.

Connects MCP-compatible AI assistants to any IMAP/SMTP mailbox, enabling email search, reading, folder management, and sending with automatic saving to Sent.

Enables an AI assistant to read and search iCloud mail, draft messages (never sent), manage calendar events with a preview/commit gate, and look up contacts via IMAP, CalDAV, and CardDAV.

A Model Context Protocol server that provides email access via IMAP and SMTP, enabling AI agents to read, search, send, and manage emails. It features specialized tools for folder management, message retrieval, and replying to threads through a standardized HTTP/SSE interface.

Enables AI assistants to search, read, label, move, and organize mail and folders through a local Bridge connection, create and manage drafts, and respond to calendar invitations. Ordinary messages are never sent.

Creates email drafts in the macOS Mail app using AppleScript, with support for recipients, subject, body, attachments, and sender selection. No email is sent; drafts are saved locally and synced to the mail server by Mail.

Enables AI assistants to read, search, send, and organize email, manage contacts, and handle calendar events through Fastmail's JMAP, CalDAV, and WebDAV APIs. Supports attachments, drafts, threading, bulk operations, and label-versus-move mailbox handling.

Enables AI assistants to interact with email, contacts, and calendar data through JMAP/CalDAV/WebDAV APIs, including sending, searching, organizing messages, managing contacts, and scheduling events. It also supports attachments, drafts, bulk operations, and installation as a Claude Desktop extension.

Enables control of a real Chrome/Brave/Edge browser over MCP stdio through CDP — opening tabs, navigating, clicking, typing, running JS, uploading files, screenshotting, and recording actions — plus a guided Gmail flow for signing in, composing, attaching a PDF, sending, and verifying the message in Sent Mail.

MCP server for Forward Email that provides tools to manage email inbox, send mail, calendar events, and contacts.

Enables AI assistants to read IMAP mailboxes and create drafts without sending them. Supports multiple accounts and folders, read-only message fetching, and search, with sending deliberately disabled so drafts are reviewed and sent manually.

Enables MCP clients and coding agents to send transactional emails, retrieve a message by ID, and list sent emails through the Postlane API using an API key and verified sender domain.

A remote MCP server that enables Microsoft Outlook integration, allowing agents to manage mail, calendar events, contacts, and meeting room availability with OAuth2 and production-ready features.

Enables AI assistants to read, search, send, and organize email, manage contacts, and work with calendar events through the Fastmail JMAP, CalDAV, and WebDAV APIs. It also supports attachments, threading, bulk operations, and drafts, and ships as a Desktop Extension for Claude Desktop.

Enables AI assistants to read, search, send, draft, and organize email, manage contacts, and create or update calendar events through Fastmail's JMAP, CalDAV, and WebDAV APIs. Supports attachments, conversation threading, label versus move semantics, bulk operations, and account or mailbox statistics.