"Resources for Learning a Subject" matching MCP servers:

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 assistants to manage multiple Outlook/Microsoft 365 mailboxes simultaneously through MCP tools, with local OAuth token storage.

Provides tools for newsletter growth loops, welcome sequences, subject line audits, list metric interpretation, and monetization readiness based on engagement.

Provider-agnostic email MCP server that connects any IMAP mailbox to AI assistants, enabling email management through natural language.

MCP server that encapsulates Apple Mail on macOS via AppleScript, enabling invoice PDF search, attachment saving, and message flagging through natural language.

Create disposable email inboxes, extract OTP codes in 15 languages, and receive webhooks — all from your AI agent. One call: create inbox → wait for email → get the verification code. Supports 7 domains, email forwarding, and HMAC-signed webhooks with OTP included in payload. Free tier available.

An MCP-powered AI agent that audits your Gmail for recurring subscriptions, detects silent price increases, and flags unused services.

Local stdio MCP package for transactional email, sending domains and Correio mailboxes for AI agents, subject to team and mailbox permissions. @mepmail/mcp (MIT, Node >=20) implements a documented subset of the separately hosted OAuth service.

Enables users to check webmail account connectivity and browse inbox messages by date, including sender, subject, read status, message bodies, and daily summaries, without supporting sending, deleting, or marking messages as read.

A production-style MCP server exposing six business tools (web search, database, CRM, email, calendar, analytics) to AI clients via a secure, authenticated interface, with mock mode and a reference agent client.

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.

A utility MCP server providing 10 specialized tools for newsletter content preparation and optimization, including subject line generation, HTML-to-text extraction, read time estimation, and email validation. Enables newsletter operators, developers, and content teams to automate pre-send workflows and audit newsletter issues through natural language interactions.

Enables AI assistants to assess cold-email deliverability by checking sending domains' SPF/DKIM/DMARC/MX configuration and scanning subject/body copy for spam-triggering patterns, with scores and risk levels. Runs locally over stdio without SaaS signup or API keys.

Enables ChatGPT and Codex to interact with Zoho Mail through Zoho's official MCP service, with safe workflows and capability boundaries.

Enables Claude Desktop on Windows to search and read Yahoo Mail messages in read-only mode, without sending, deleting, or otherwise modifying them.

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

Connects a single self-hosted mailbox to ChatGPT via OAuth, enabling email search, reading, attachment handling, sending with duplicate-send protection, and folder management.

A collection of small MCP servers for macOS automation that expose Apple Mail, MoneyMoney, and Spotlight functionality as tools via AppleScript and command-line, enabling AI applications to search mail, manage contacts and transactions, and perform system-wide file searches through natural language.

Enables agents to create, list, view, and delete plain-text Apple Mail drafts with attachments, verifying saved recipients, subject, and attachment count. It never sends mail.

Enables an AI assistant to search and read local Apple Mail messages, threads, and mailboxes on macOS through read-only tools, including filtering by sender, recipient, subject, dates, unread or flagged status, attachments, and body text.