"Creating an MCP Server Using an API" 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.

An MCP server that provides AI agents with direct access to authoritative Cakemail API specifications, enabling accurate code generation and eliminating hallucination.

MCP server for inspecting email domains and addresses, providing objective domain-level email infrastructure answers such as MX, SPF, DMARC, MTA-STS, and disposable-domain evidence.

Enables to interact with Nylas API for email, calendar, and contacts via MCP, providing documentation, code samples, and code generation tools.

Comprehensive email validation MCP server that checks syntax, MX records, disposable domains, role-based accounts, SPF/DKIM, typo suggestions, and risk scoring.

Enables AI assistants to browse, inspect, and call the Cakemail API via dynamically loaded OpenAPI spec.

A local MCP server that gives Claude read/write access to a personal Hotmail/Outlook.com mailbox via the Microsoft Graph API, exposing tools for listing, searching, sending, and drafting emails.

Sendmux is an email inbox API and email API for AI agents. Use this MCP server to let authorised agents work with Sendmux mailboxes, inbound email, clean JSON parsing, webhooks, outbound sending, provider routing, logs, billing, and team controls.

Enables AI assistants to generate temporary email addresses, check inboxes, and read messages using the 1TempMail API.

An MCP server that interfaces with the Missive API, enabling Claude to manage email conversations, contacts, and team collaboration.

An MCP server that provides full email management for Yahoo Mail via IMAP, including tools to list, read, search, delete, archive, flag, and move emails, with secure OAuth authentication and support for local and remote deployments.

MCP server for Google Workspace APIs - Docs, Sheets, Drive, Gmail, and Calendar. Enables reading, creating, and editing Google Docs and Sheets, managing comments, reading emails, and viewing calendar events.

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.

Minimal FastMCP server demo with example tools like generating leave request emails.

A lightweight MCP server for personal Microsoft Outlook/Hotmail accounts, enabling email search, reading, attachment management, and folder operations via Microsoft Graph API with OAuth device-code flow.

Email validation MCP server using MailboxValidator API to determine validity of an email address.

An MCP server for the Resend email API, enabling AI assistants to send emails, manage contacts, audiences, and domains through natural language.

An MCP server that enables AI assistants to send emails via SMTP, supporting simple and custom emails with attachments and CC/BCC, plus connection testing.

An MCP server that enables reading and managing Microsoft 365 / Outlook emails through Microsoft Graph API, allowing users to list, search, send, draft, and authenticate using device code flow.

Enables AI assistants to read recent emails and fetch full email content from an IMAP inbox, allowing natural language queries about email summaries.