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MCP Servers

Connectors that give your AI agent hands — databases, browsers, email, payments, and every service in between.

✓ Official

31 companies

Published by the companies themselves — pick one to see everything they ship.

Overview All Cloud Service Cloud Storage Communication Database Design Development File System Finance Marketing Memory Other Productivity Search Version Control Web Scraping

Communication ›All Communication ✓ Official Chat & Messaging Email Social Media Voice & Video

Email

194 mcp servers

Help Scout

★ 44

An MCP server that enables AI assistants to interact with Help Scout data, such as customers and conversations.

🔥🔥🔥🔥✓ VerifiedPaid serviceNeeds API keys

mail-mcp

★ 40

Most email MCP servers only read from IMAP. mail-mcp does everything: 30 tools for reading, searching, sending, replying, forwarding, and bulk operations across IMAP, SMTP, Microsoft Graph API, and Exchange Web Services. Multi-account, native OAuth2, built in Rust. Works with Gmail, Microsoft 365, Hotmail/Outlook.com, Zoho, and any standard IMAP/SMTP server.

🔥🔥🔥🔥✓ VerifiedFreeAdvanced setup

Integration App

★ 38

Interact with any other SaaS applications on behalf of your customers.

🔥🔥🔥✓ VerifiedFreeQuick setup

MCP Email Service

★ 38

A service for managing multiple email accounts from various providers like 163, Gmail, QQ, and Outlook.

🔥🔥🔥✓ VerifiedFreeQuick setup

Universal Contract AI Interface (UCAI)

★ 36

Universal Contract AI Interface (UCAI) 🔗 ABI to MCP | The open standard for connecting AI agents to blockchain. MCP server generator for smart contracts. Claude + Uniswap, Aave, ERC20, NFTs, DeFi. Python CLI, Web3 integration, transaction simulation. Polygon, Arbitrum, Base, Ethereum EVM chains. Claude, GPT, LLM tooling, Solidity, OpenAI.

🔥🔥🔥🔥✓ VerifiedFreeNeeds API keys

X (Twitter)

★ 34

An MCP server for interacting with the X (Twitter) API, requiring developer credentials.

🔥🔥🔥🔥✓ VerifiedPaid serviceAdvanced setup

Infobip MCP servers

★ 31

Enables seamless integration with communication platform that allows you to reach your customers globally across any channel.

🔥🔥🔥🔥✓ VerifiedFreeAdvanced setup

Slack MCP Server

★ 28

Access Slack DMs, channels, and messages from Claude. Browser token auth - no OAuth needed.

🔥🔥🔥✓ VerifiedPaid serviceAdvanced setup

SendGrid

★ 28

Access SendGrid's Marketing API for email marketing and contact management.

🔥🔥🔥✓ VerifiedAccount requiredNeeds API keys

MCP Notify

★ 27

Monitor the Model Context Protocol (MCP) Registry for new, updated, and removed servers. Get real-time notifications via Discord, Slack, Email, Telegram, Microsoft Teams, Webhooks, or RSS feeds. Includes CLI, Go SDK, REST API, and MCP server for AI assistants.

🔥🔥🔥✓ VerifiedFreeAdvanced setup

Slack

★ 25

Interact with Slack workspaces, enabling message sending, channel management, and user interactions.

🔥🔥🔥✓ VerifiedFreeQuick setup

Instantly

★ 24

Manage email campaigns and leads using the Instantly.ai v2 API.

🔥🔥🔥✓ VerifiedAccount requiredNeeds API keys

Outlook Assistant

★ 24

MCP server for Outlook email, calendar, and contacts — let your AI assistant manage your inbox directly from the conversation.

🔥🔥🔥🔥✓ VerifiedPaid serviceAdvanced setup

Local MCP (LMCP)

★ 23

143 local tools for Claude, Cursor & ChatGPT — Mail, iMessage, Teams, Slack, WhatsApp & files. 100% local, no API keys.

🔥🔥🔥🔥✓ VerifiedFreeAdvanced setup

Gmail MCP Server

★ 22

Allows AI agents to search Gmail threads, learn your writing style, and draft emails.

🔥🔥🔥✓ VerifiedAccount requiredAdvanced setup

Outlook MCP Server

★ 21

Read, search, and manage emails in Microsoft Outlook through a standardized interface.

🔥🔥🔥✓ VerifiedFreeNeeds API keys

Inbox MCP

★ 21

An intelligent, LLM-powered email assistant using the Nylas v3 API.

🔥🔥🔥🔥✓ VerifiedAccount requiredNeeds API keys

Beehiiv

★ 21

Manage your Beehiiv newsletter by adding subscribers and fetching posts using natural language.

🔥🔥🔥✓ VerifiedPaid serviceAdvanced setup

X (Twitter)

★ 20

Enhanced MCP server for Twitter/X with OAuth 2.0 support, v2 API media uploads, smart v1.1 fallbacks, and comprehensive rate limiting. Post tweets with text/media, search, and delete tweets programmatically.

🔥🔥🔥✓ VerifiedAccount requiredNeeds API keys

Gmail

★ 19

An MCP server for Gmail, allowing AI assistants to manage emails through natural language.

🔥🔥🔥✓ VerifiedFreeAdvanced setup

nworks

★ 19

NAVER WORKS CLI + MCP server. 26 tools for messages, calendar, drive, mail, tasks, and boards.

🔥🔥🔥✓ VerifiedAccount requiredAdvanced setup

Zulip Chat

★ 18

An MCP server for integrating with the Zulip team chat platform.

🔥🔥🔥✓ VerifiedFreeQuick setup

mailcue-mcp

★ 18

Give AI agents their own local mailbox to read, send, and triage email.

🔥🔥🔥✓ VerifiedFreeAdvanced setup

Smartlead

★ 17

Manage Smartlead campaigns, including creation, updates, and sequence management, using the Smartlead API.

🔥🔥🔥✓ VerifiedAccount requiredNeeds API keys

Kakao Bot MCP Server

★ 17

Connects an AI agent to a Kakao Official Account using the Kakao Developers API.

🔥🔥🔥✓ VerifiedFreeNeeds API keys

Ntfy MCP Server

★ 16

Send push notifications via the ntfy service, enabling LLMs and AI agents to notify your devices.

🔥🔥🔥✓ VerifiedFreeAdvanced setup

Ringback

★ 15

Enables AI agents to initiate two-way voice calls and send tiered alerts to your phone using self-hosted, free telephony solutions.

🔥🔥🔥✓ VerifiedFreeAdvanced setup

Email Processing

★ 14

An email processing server that uses MongoDB for semantic search and SQLite for efficient storage and retrieval.

🔥🔥🔥✓ VerifiedFreeQuick setup

imessage-mcp

★ 14

25 read-only tools for searching, analyzing, and exploring your entire iMessage history on macOS. Spotify Wrapped for texts, conversation analytics, streaks, read receipts, reactions, and more.

🔥🔥🔥✓ VerifiedFreeAdvanced setup

IMAP MCP

★ 14

An IMAP Model Context Protocol (MCP) server to expose IMAP operations as tools for AI assistants.

🔥🔥🔥✓ VerifiedAccount requiredAdvanced setup

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