"Developing a Bulk Email System" matching MCP servers:

将飞书日历 API 封装为 MCP 服务器，支持日历、日程、订阅和忙碌状态的查询与管理。

MCP server for email + calendar via classic Outlook on Windows (COM automation). No Azure app registration, no OAuth — it just drives the Outlook desktop client you're already signed into.

Local MCP server for reading/sending email via Gmail and managing Google Calendar events, enabling an AI agent to handle email and calendar operations through natural language.

A self-hosted MCP server that provides secure access to iCloud Mail, Calendar, and Contacts, enabling agents to read and send email, manage calendar events, and search contacts with safety controls like approval for outgoing messages.

Enables AI agents to read and send email, handle attachments and manage calendar invitations through their own IMAP/SMTP mailboxes, with per-mailbox sender and recipient allow lists and automatic HTML-to-Markdown conversion. It runs as a single self-hosted Docker container, exposing the same tools over MCP and REST.

Enables AI assistants to interact with Fastmail services, providing tools for comprehensive email management, contact searching, and calendar event coordination via the JMAP API. It supports advanced features like threaded conversations, attachment handling, and bulk mailbox operations through natural language.

Enables AI apps to manage Google Calendar in plain language, including reviewing schedules, creating and changing events with guests and Google Meet, finding free time, and blocking Out of Office or Focus Time.

An MCP server for Microsoft Graph, exposing 60 tools across calendar, email, meetings, Teams chat, files, people, directory, tasks, and OneNote over stdio or Streamable HTTP.

Unofficial MCP server for accessing and managing TimeTree calendar data, supporting events, memos, and comments via email/password authentication.

Production-ready Muslim prayer reminder system on Cloudflare Workers with Streamable HTTP MCP and deterministic host middleware.

A privacy-first MCP server for inbox triage, enabling masked email reading, calendar upsert, reply drafting, and Slack digests using Google and Slack credentials.

Enables an AI assistant to connect to multiple Google accounts at once, searching and acting across Gmail, Drive, Calendar, and Contacts from a single interface.

MCP server that gives Claude and other MCP hosts full access to Calendar.app on macOS — list, search, create, update, and delete events across all configured accounts.

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.

Enables AI assistants to manage Microsoft 365 email, calendar, and contacts through natural language, with zero Azure setup required.

MCP server for iCloud integration, providing tools for managing calendars, contacts, and email.

MCP server for Claude to access on-premises Outlook/Exchange mailboxes via EWS with NTLM authentication, providing tools for email, calendar, and contact management without relying on Microsoft 365 or Graph API.

Enables intelligent integration with Gmail and Google Calendar for context-aware email analysis, advanced searching, and personalized response drafting. It supports natural language interactions for managing communication history, detecting events in emails, and creating calendar entries.

Provides full access to Microsoft Outlook calendar and email through Claude Code by intercepting browser tokens from an existing signed-in Edge profile, eliminating the need for Azure app registration.

Book a table, an appointment or a place in a class at a real local business. Live availability, instant confirmation, no account and no API key. Eight tools: search, fetch, get_business, check_availability, create_booking, check_booking, cancel_booking and request_listing. Guest emails in eight languages. Hosted at https://g-guest.app/api/mcp