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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.

5,171 servers. Last updated -

Matching MCP tools:

Matching MCP servers:

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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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    • Apple
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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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    321
    TypeScript
    • Apple
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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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    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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    Python
    • Apple
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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.
    Last updated -
    1
    Python

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  • A
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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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    TypeScript
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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
    • Apple
    • Linux
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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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    TypeScript
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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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    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
    • Apple
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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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    TypeScript
    • Apple
    • Linux
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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
    • Apple
    • Linux
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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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    TypeScript
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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 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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    5
    TypeScript
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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
    • Linux
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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
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    Enables interaction with Gmail through the Gmail API to read, send, and manage emails. Supports multiple Gmail accounts with real-time monitoring and advanced features for email search and attachment handling.
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    8
    Python
    Apache 2.0
    • Apple
    • Linux
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    A Model Context Protocol server that enables AI assistants like Claude to interact with Gmail through natural language, providing comprehensive email management capabilities including sending, reading, organizing, searching, and managing drafts and labels.
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    Python
    GPL 3.0
    • Apple
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    A Model Context Protocol server that enables LLMs to compose and send emails with attachments, as well as search for files in specified directories that match given patterns.
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    Python
    MIT License
    • Linux
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    Processes emails from Outlook with date filtering, storing them in SQLite databases while generating vector embeddings for semantic search capabilities in MongoDB.
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    • Apple
    • Linux
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    A custom MCP server that provides AI applications with access to an Artificial Virtual Assistant (AVA) toolset, enabling Gmail integration and task management through natural language.
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    Python
    MIT License
    • Apple
    • Linux
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    A Model Context Protocol server that integrates with the Icypeas API to help users find work emails based on name and company information.
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    JavaScript
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    Provides integration between Hunter API and LLM providers supporting the MCP protocol, allowing natural language interaction with Hunter B2B data for finding and managing company and people information.
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    Python
    MIT License
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    Forked from https://github.com/epaproditus/google-workspace-mcp-server The deletion and updates on Google Calendar were removed since there were no scope to prevent deletion whilst maintaining creation capabilities.
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    JavaScript
    MIT License
  • A
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    Provides tools for interacting with Gmail and Calendar APIs. This server enables you to manage your emails and calendar events programmatically through the MCP interface.
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    JavaScript
    MIT License
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    A Model Context Protocol server that provides tools for interacting with Gmail and Calendar APIs, enabling programmatic management of emails and calendar events.
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    7
    JavaScript
    MIT License
    • Apple