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Open-Source MCP servers

Production-ready MCP servers that extend AI capabilities through file access, database connections, API integrations, and other contextual services.

6,854 servers. Last updated -

Matching MCP tools:

Matching MCP servers:

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    A Model Context Protocol service for comprehensive email management that supports multiple email providers, with complete functionality for viewing, organizing, and batch processing emails.
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    Provides IMAP and SMTP capabilities, enabling developers to manage email services with seamless integration and automated workflows.
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    Python
    BSD 3-Clause
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    Enables users to validate the existence of email addresses through a simple FastMCP tool, offering JSON responses without requiring an API key.
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    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.
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    TypeScript
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    Integrates with Mailtrap Email Platform to enable sending transactional emails via API.
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    TypeScript
    MIT License
    • Apple

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  • A
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    An MCP server for Zoho Creator's Scaflog application that provides note management functionality with capabilities to store, access, and summarize notes.
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    A lightweight Model Context Protocol (MCP) server that enables your LLM to validate email addresses. This tool checks email format, domain validity, and deliverability using the AbstractAPI Email Validation API. Perfect for integrating email validation into AI applications like Claude Desktop.
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    An MCP service that enables AI to fully manage email accounts, supporting sending emails with attachments and multiple recipients across various email providers.
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    JavaScript
    MIT License
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    Provides an interface to manage email marketing, contact lists, dynamic templates, and email analytics via SendGrid's API.
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    This project builds a read-only MCP server. For full read, write, update, delete, and action capabilities and a simplified setup, check out our free CData MCP Server for Zoho Projects (beta): https://www.cdata.com/download/download.aspx?sku=PZZK-V&type=beta
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    MIT License
    • Apple
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    This project builds a read-only MCP server. For full read, write, update, delete, and action capabilities and a simplified setup, check out our free CData MCP Server for Zoho Creator (beta): https://www.cdata.com/download/download.aspx?sku=KCZK-V&type=beta
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    MIT License
    • Apple
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    This project builds a read-only MCP server. For full read, write, update, delete, and action capabilities and a simplified setup, check out our free CData MCP Server for Zoho Inventory (beta): https://www.cdata.com/download/download.aspx?sku=KZZK-V&type=beta
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    MIT License
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    This project builds a read-only MCP server. For full read, write, update, delete, and action capabilities and a simplified setup, check out our free CData MCP Server for Zoho Books (beta): https://www.cdata.com/download/download.aspx?sku=GZZK-V&type=beta
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    MIT License
    • Apple
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    An MCP server that integrates with Hunter.io API to find and verify email addresses using domain and name information.
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    JavaScript
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    Enables sending emails via SMTP with template management, supporting multiple SMTP configurations, template creation with variable substitution, and bulk email sending with rate limiting.
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    3
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    A TypeScript-based MCP server that implements an email sending system, allowing Claude to send emails via the blastengine service.
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    JavaScript
    MIT License
    • Apple
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    This read-only MCP Server allows you to connect to Email data from Claude Desktop through CData JDBC Drivers. Free (beta) read/write servers available at https://www.cdata.com/solutions/mcp
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    MIT License
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    MCP server that integrates with Gmail to enable sending, reading, and managing emails through tools like send-email, trash-email, get-unread-emails, and read-email.
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    17
    Python
    GPL 3.0
    • Apple
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    A headless server that enables reading and sending Gmail emails through API calls without requiring local credentials or browser access, designed to run remotely in containerized environments.
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    Python
    MIT License
    • Linux
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    Enables AI assistants to manage Migadu email hosting services through natural language, including creating mailboxes, setting up aliases, configuring autoresponders, and handling bulk operations efficiently.
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    Python
    MIT License
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    Manage your emails effortlessly with a standardized interface for drafting, sending, retrieving, and organizing messages. Streamline your email workflow with complete Gmail API coverage, including label and thread management.
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    JavaScript
    MIT License
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    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.
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    A Model Context Protocol server that allows integration with Hiworks mail system to search, read, and send emails with support for text, HTML, and attachments.
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    JavaScript
    MIT License
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    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.
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    Allows scheduling meetings in Microsoft Outlook using Microsoft Graph API, with features for creating calendar events and adding attendees by finding their email addresses.
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    TypeScript
    ISC License
    • Apple
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    A Model Context Protocol server that enables applications to interact with Gmail through a clean API, supporting email searching, sending, reading, and label management.
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    Python
    MIT License
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    A Model Context Protocol server that enables AI assistants to interact with Gmail services, supporting email operations, draft management, and calendar functionality through Google API integration.
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    TypeScript
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    Enables users to manage Gmail accounts using AI agent-assisted operations via an MCP protocol, supporting email search, reading, deletion, and sending with a voice-powered interface.
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    A Model Context Protocol server that enables Claude AI to interact with Gmail, supporting email sending, reading, searching, labeling, draft management, and batch operations through natural language commands.
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    Python
    MIT License
    • Apple
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    Integrates with Gmail to enable sending, reading, drafting, and managing emails via the Model Context Protocol (MCP), allowing users to interact with email tasks through automated client prompts.
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    Python
    GPL 3.0