"Definition or Uses of the Term 'Vertex'" matching MCP servers:

Enables AI assistants to manage Microsoft Outlook Desktop (Classic) calendar and email through local COM automation, without Microsoft Graph or Entra registration.

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

This MCP server allows AI assistants to read, send, search, and manage emails in Apple Mail on macOS. It uses AppleScript to interact with the Mail app locally.

Enables ChatGPT and Codex to securely inspect a QQ Mail mailbox through read-only tools for identity, connection status, unread messages, search, and message reading. Uses OAuth 2.1/PKCE and IMAP without sending, deleting, moving, or marking mail.

An MCP server for Microsoft Graph email that uses $filter instead of $search, allowing filtered email searches with sorting. It reuses the existing email-mcp authentication and provides tools for searching, listing folders, and retrieving email content.

Safely searches, reads, flags, and drafts email through IMAP, with no send, delete, or move capabilities. Uses a local broker and OS credential store for secure authentication.

Connects Claude to Microsoft 365 Outlook and Google Gmail APIs for email search, invoice detection, attachment handling, folder/label management, and draft creation. Uses Anthropic OAuth for secure authentication.

Enables an AI agent to send or draft email as the signed-in user through Microsoft Graph, including multiple recipients, HTML or plain-text bodies, and file attachments. Uses delegated least-privilege PKCE authentication so messages can be staged as drafts for approval or sent directly.

A set of five independent MCP servers for Google Workspace (Gmail, Calendar, Drive, Sheets, Docs) enabling secure access and management of email, calendar events, files, spreadsheets, and documents. Features OAuth 2.1 with per-resource tokens and uses stable Google product APIs.

Enables MCP-aware agents to interact with the classic Outlook desktop client for mail, calendar, contacts, tasks, and Out-of-Office settings via the COM API, without Azure or OAuth.

Connects any number of Gmail accounts to Claude or another MCP client, enabling search, reading, sending, drafting, labeling, and trashing mail across one account or all of them at once. Runs entirely locally, so OAuth tokens never leave the user's machine.

MCP server for Gmail with full read/write coverage: search, send, reply, drafts, labels, filters, vacation responder, auto-forwarding, signature, and attachment handling (download and PDF export). Uses the Gmail API with the gmail.modify scope to prevent permanent deletion, and requires explicit confirmation for sensitive actions.

MCP server that exposes an email verification tool, returning verdicts of valid, invalid, or risky with reasons.

MCP server that uses Microsoft Entra OAuth 2.0 On-Behalf-Of flow to access Microsoft Graph for Outlook data, enabling email, calendar, and contacts interactions via MCP tools.

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.

Enables read-only access to a single Gmail mailbox, listing emails within a date range and retrieving full headers and body text of individual emails, with deep-link jump URLs for each result.

Enables managing multiple Gmail accounts under one OAuth client, with per-account access levels, cross-account search, and read/write operations via stdio or Streamable HTTP.

Enables pushing enriched leads into Instantly or Smartlead campaigns with ICP score gating, deduplication, and dry-run previews via an Apify actor.