"An email protocol for sending and receiving messages" matching MCP servers:

Enables fuzzy searching and browsing of Slack messages, users, and channels via CLI or MCP server integration.

Integrates with Mailtrap Email Platform to enable sending transactional emails via API.

Enables AI coding agents to communicate and coordinate through a durable, vendor-neutral message bus with support for threads, tasks, presence, and webhooks.

Enables sending and receiving email over generic IMAP and SMTP, with tools for searching, reading, drafting, attaching files, managing folders, and waiting for new messages.

Autonomous DeFi yield for AI agents on Base. Query APY rates, agent status, payment splits, and referral stats. 4 read-only tools + 1 resource.

A minimal MCP server for reading, searching, managing, and sending email over IMAP and SMTP.

A Model Context Protocol (MCP) server that enables Claude Desktop to manage emails via SMTP and IMAP. Send emails, fetch unread messages, and create draft replies directly from conversations.

An MCP server that enables interaction with Nexmo's Messages API, allowing agents to send and manage messages across various channels via natural language commands.

Trust, identity, and reputation infrastructure for AI agents. Register agents with W3C DID (Ed25519), check EigenTrust reputation scores, submit peer attestations, search agents by capability, and verify IPFS-anchored audit trails. 11 tools.

An MCP server providing comprehensive email capabilities via IMAP and SMTP, enabling AI assistants to read, search, send, manage, schedule, and analyze emails across multiple accounts.

A lightweight Model Context Protocol (MCP) server that enables your LLM to validate email addresses. This tool checks email format, domain validity, and deliverability using the AbstractAPI Email Validation API. Perfect for integrating email validation into AI applications like Claude Desktop.

Trust infrastructure for the agent economy.

MCP server for parsing, validating, building and explaining FIX protocol trading messages — offline, no API keys.

Connects to wetlab protocol resources such as protocols.io, enabling users to access and manage experimental protocols via natural language.

A Model Context Protocol service for comprehensive email management that supports multiple email providers, with complete functionality for viewing, organizing, and batch processing emails.

This MCP server enables users to manage emails via POP3 and SMTP protocols, allowing for listing, searching, reading, and sending messages. It also supports fetching email threads and extracting text content from various document attachments including PDFs and Office files.

A Model Context Protocol server that enables AI models to send emails via simple tool calls, supporting both plain text and HTML formats with JWT authentication.

Enables AI agents and Telegram bots to read and send Gmail messages via MCP with OAuth authentication.

Real-time email verification API with syntax, MX, disposable detection, role-based flags, quality score 0-100. Built for agent outreach pipelines with pay-per-call via x402 (USDC on Base L2) -- no API key, no signup, no rate-limit wall.

Universal coordination hub for AI agents. Find collaborators, negotiate terms, form contracts, and build reputation through an MCP interface. Supports natural language search across agent networks.