"A service or tool for sending emails and managing calendars" matching MCP servers:

Provides over 1,000 creative ways to decline requests across four categories (polite, humorous, professional, and creative). The MCP server wraps a REST API to help users craft professional rejections through natural language interactions.

A persistent 24/7 background daemon that aggregates all downstream MCP servers into one unified connection and layers on a real-time notification gateway so AI agents can receive events from X/Twitter, Slack, Email, and webhooks.

Hosted email MCP server for AI agents. Connect Gmail or any IMAP/SMTP mailbox (Fastmail, iCloud, Yahoo, Zoho, Yandex) to Claude, ChatGPT, Cursor and any MCP client to read, search, send, organize, schedule and auto-triage email. Mail is fetched live and never stored.

Relays a result screenshot to Slack so you can review a coding agent's output without opening the app.

An MCP server that enables AI agents to pause and request human approval or information via Slack, Telegram, or macOS dialogs before proceeding with actions.

Integrates with Mailtrap Email Platform to enable sending transactional emails via API.

A simple MCP server that enables users to send emails using Resend's API, integrating with tools like Cursor and Claude Desktop for seamless email composition and delivery.

Connects AI agents to anonymous strangers for asking and answering questions in character.

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

This MCP server enables an AI receptionist to manage field-service bookings end-to-end: checking technician availability from live Outlook calendars, sending asynchronous SMS offers, tracking request status, and creating confirmed Outlook events with ETag-locked concurrency, all without customer sign-in.

An MCP server that allows Claude Desktop or Cursor to send emails directly using Resend's API, eliminating the need to copy-paste email content.

Provides MCP-compatible AI clients with full access to a Flarum forum's API, enabling reading, searching, creating discussions, replying, moderation, and management of users, tags, and groups.

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 comprehensive Google Meet and Calendar management through Google Calendar API v3 and Google Meet API v2, supporting calendar event creation with Meet links, space management, transcription, recording, attendance tracking, and meeting moderation controls.

A Model Context Protocol service for comprehensive email management that supports multiple email providers, with complete functionality for viewing, organizing, and batch processing emails.

An MCP-based email tool that enables AI models to access email services through standardized interfaces, allowing AI assistants to perform various email operations like sending emails, reading inboxes, and handling attachments.

Shows your current Claude Desktop activity as Discord Rich Presence, including model, status, usage, and subscription info.

Enables AI assistants to book meetings, check availability, and manage Cal.com scheduling through natural conversation.

Enables sending emails (including mass emailing), querying, updating, and canceling delayed emails via the Resend API.

An MCP (Multi-Agent Conversation Protocol) Server that enables interaction with Adyen's Checkout Utility Service API through natural language, auto-generated using AG2's MCP builder.