"Finding MCP servers that support SSE or Streamable HTTP, excluding stdio transport" 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.

Streamable HTTP MCP server for Gmail that enables AI agents to search threads, read messages, manage drafts, and organize the inbox via OAuth authentication.

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.

Streamable HTTP MCP server for Gmail enabling search, read, draft management, and inbox organization.

Enables AI-driven customer support ticket processing, including classification, response generation, and automated email sending and Google Sheets logging.

An MCP server for Microsoft Graph, exposing 60 tools across calendar, email, meetings, Teams chat, files, people, directory, tasks, and OneNote over stdio or Streamable HTTP.

An MCP server that exposes a mock email verification tool over stdio transport, providing structured JSON results with statuses valid, invalid, or risky.

通过企业微信官方邮件API发送普通邮件，并支持查询邮箱信息，兼容stdio、sse和streamable-http传输方式。

A self-hostable Gmail MCP server that enables Gmail search/read, sending, replies, drafts, labels, and attachment downloads via MCP tools with OAuth authorization. Supports stdio and streamable HTTP transports.

A mail service that connects private domain email to MCP clients, enabling sending (with auto signature), receiving, and reading emails through natural language via stdio or SSE transport.

An MCP server that exposes Google Docs and Gmail capabilities to LLMs via SSE transport.

Give AI agents their own email inboxes. Create, send, receive, and manage email entirely via MCP tools.

AI-powered email assistant that enables sending, parsing, and managing emails using natural language. Provides 4 tools (smart_email, parse_email_intent, send_email, email_chat) with SSE/stdio transport support.

Enables email management for a single mailbox via IMAP and SMTP protocols. Supports reading, searching, and sending emails with threading support through stdio or HTTP transports.

MCP server that enables AI agents to check if email addresses or domains are disposable using the isitdisposable.com API. It provides tools like check_email, check_domain, and check_batch for real-time validation.

An email MCP server that lets Claude or any MCP client search, read and draft mail via IMAP, treating every message as untrusted input. It prioritizes safety with plain-text-only bodies, disabled sending until an allowlist is set, and no bcc support.

Local-first Microsoft Outlook MCP server: a single Go binary that manages calendar events and mail through the Microsoft Graph API over stdio, with tokens stored in the OS keychain and no Entra ID app registration required. Exposes four aggregate tools (calendar, mail, account, system) dispatched by an operation verb, with multi-account support and read-only and mail-gating modes.

Local MCP server for Hey.com email - read, search, send, reply, and manage the screener via stored session cookies. Runs over stdio, stores no credentials.

A Gmail MCP server that enables Claude to send, search, and read emails using either Gmail API or SMTP/IMAP backend.