"An overview of knowledge graphs and their applications" matching MCP servers:

MCP server for Yahoo Mail over IMAP+SMTP that enables AI assistants to manage emails fully—listing, reading, searching, threading, flagging, moving, archiving, handling attachments, and sending/reply/forward/draft—using an app-specific password.

Enables MCP clients to exchange an MCP-audience token for a Microsoft Graph token and call Graph as the signed-in user, with tools for identity verification and recent mail access.

An MCP-compliant server that exposes Gmail and Google Docs as tools, enabling AI agents to draft, send, and manage emails, as well as create, read, and append to documents through natural language.

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

An enterprise-grade MCP server that provides production-ready IMAP email integration with advanced reliability features, comprehensive monitoring, and secure account management.

Provides MCP tools for searching, reading, and drafting Gmail emails, as well as querying SAP OData endpoints with safe read operations and mock mode.

Connects Gmail and Telegram via an MCP server, enabling users to interact with their emails through a Telegram bot with commands for summaries and audio.

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.

Enables users to search job applications, check reply status, find stale leads, and view pipeline statistics from their application tracker through MCP clients.

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

MCP server that exposes Gmail and SAP tools, enabling natural-language email management and SAP data browsing through a Mistral-powered AI assistant.

Mailgo Campaign Suite MCP Server AI-powered cold email campaign management through Model Context Protocol (MCP). Overview Mailgo Campaign Suite MCP Server connects your AI assistant directly to the Mailgo cold email platform. Through natural conversation, you can verify email addresses, claim pre-warmed mailboxes, launch campaigns, manage their lifecycle, and pull

An MCP server that enables AI models to perform mathematical calculations and other tasks like email operations and knowledge search through a bidirectional communication protocol.

An MCP server example that enables AI to perform calculations and supports extensible tool integrations for email, knowledge search, remote control, and custom tools.

A stdio MCP server exposing a validate_emails tool that lets agents screen email lists without sending mail or probing SMTP, checking syntax, DNS/MX records, disposable domains, role accounts, free providers, typo suggestions, and SPF/DMARC. Each address comes back with a valid/risky/invalid/unknown verdict plus machine-readable reason codes so agents can clean leads and signups before outreach or import.

Enables AI agents to send emails and manage tasks in Microsoft To Do with scoped, low-risk access to Microsoft Graph.

Fetch fresh leads and verify emails in one MCP server

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.

Detects whether a company runs cold email outbound and identifies the email sending infrastructure, including sending domains, platforms, and authentication status.

Provides email validation and domain configuration auditing tools for AI assistants, enabling single address checks, bulk list cleaning, SPF verification, and full mail setup grading (A-F) with actionable fixes.