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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.

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9,469 servers. Last updated -

Matching MCP tools:

Matching MCP servers:

  • MCP AWS SES Email Server

    i-dream-of-ai
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    Enables sending emails through AWS Simple Email Service with support for single emails, bulk personalized emails, and template management. Deployed on Cloudflare Workers for fast, global edge performance with full TypeScript type safety.
    Last updated -

  • Mailtrap Email Sending

    railsware
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    Integrates with Mailtrap Email Platform to enable sending transactional emails via API.
    Last updated -
    1
    34
    48
    MIT License
    • Apple

  • Perplexity Tool for Claude Desktop

    letsbuildagent
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    A custom MCP tool that integrates Perplexity AI's API with Claude Desktop, allowing Claude to perform web-based research and provide answers with citations.
    Last updated -
    1
    4
    MIT License
    • Apple

  • Mail MCP Tool

    shuakami
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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.
    Last updated -
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    35
    • Apple
    • Linux

  • Email Sending MCP

    resend
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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.
    Last updated -
    3
    396
    • Apple

  • Email MCP Server

    TimeCyber
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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.
    Last updated -
    7
    27
    13
    MIT License

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  • Lemon Email MCP Server

    manojk0303
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    Enables AI agents to send transactional emails programmatically through the Lemon Email API. Provides simple email sending capabilities with customizable sender information, recipients, and content.
    Last updated -
    1
    MIT License

  • turbosmtp

    debba
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    A simple Node.js MCP (Model Context Protocol) server for sending emails using TurboSMTP
    Last updated -
    3
    JavaScript
    MIT License

  • Claude Outlook MCP Tool

    syedazharmbnr1
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    A Model Context Protocol tool that enables Claude to interact with Microsoft Outlook for macOS, allowing users to read/send emails, manage calendar events, and access contacts through natural language commands.
    Last updated -
    22
    • Apple

  • Postmark MCP Server

    ActiveCampaign
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    An MCP server implementation that enables sending emails via Postmark email services with features for sending plain text/HTML emails, using templates, tracking delivery statistics, and listing available templates.
    Last updated -
    928
    25
    MIT License

  • db-mcp-tool

    wirdes
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    A powerful Model Context Protocol (MCP) tool for exploring and managing different types of databases including PostgreSQL, MySQL, and Firestore.
    Last updated -
    9
    5
    MIT License

  • MCP Think Tool Server

    cgize
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    Implements Anthropic's 'think' tool for Claude, providing a dedicated space for structured reasoning during complex problem-solving tasks that improves performance in reasoning chains and policy adherence.
    Last updated -
    4
    75
    34
    MIT License

  • MCP Think Tool

    DannyMac180
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    An MCP server that implements the 'think' tool, providing Claude with a dedicated space for structured thinking during complex problem-solving tasks to improve reasoning capabilities.
    Last updated -
    128
    MIT License
    • Linux
    • Apple

  • Email MCP Server

    x-mahar
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    Enables Claude Desktop to send emails through Mailjet's API using the Model Context Protocol over Server-Sent Events. Provides secure email sending capabilities with API token authentication and user-provided credentials.
    Last updated -
    • Apple

  • MCP Think Tool

    piotrpalek
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    An MCP server implementation of Anthropic's Think Tool prompt engineering technique that enables Claude to break down complex problems and enhance its reasoning capabilities by providing a simple tool that echoes back thoughts.
    Last updated -
    1
    1

  • Email MCP

    guangxiangdebizi
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    A Model Context Protocol server that enables AI models to send emails via simple tool calls, supporting both plain text and HTML formats with JWT authentication.
    Last updated -
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    11
    6

  • Email sending MCP

    deploya-labs
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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.
    Last updated -
    3

  • X Tools for Claude MCP

    0xGval
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    A lightweight toolkit that enables Claude to search Twitter with natural language queries and display results based on user intent, supporting features like tweet filtering, pagination, and flexible output formatting.
    Last updated -
    1
    10

  • A Share MCP

    24mlight
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    A Model Context Protocol server providing tools for querying A-share stock market data, including historical prices, financial reports, market indices, and macroeconomic indicators.
    Last updated -
    27
    424
    MIT License

  • Twitter MCP Tool

    jalaj-pandey
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    A Python-based tool that streamlines social media tasks by enabling users to post tweets, track username changes, fetch recent tweets, and send direct messages on Twitter.
    Last updated -

  • MCP Development Scaffold

    frankie0736
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    A TypeScript scaffold for building Model Context Protocol (MCP) tools that let AI models call external services like sending emails or notifications.
    Last updated -

  • Database Tools for Claude AI

    elber-code
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    MCP server that allows Claude AI to interact directly with MySQL databases, enabling query execution and table information retrieval through natural language.
    Last updated -
    1
    1
    4

  • Resend MCP Server

    pontusab
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    Allows sending emails through the Resend service using a standardized Model Context Protocol (MCP) interface, with TypeScript support.
    Last updated -
    159
    5

  • SMTP MCP Server

    samihalawa
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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.
    Last updated -
    11
    7

  • mcp-tool-chainer

    thirdstrandstudio
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    An MCP (Model Context Protocol) server that chains calls to other MCP tools, reducing token usage by allowing sequential tool execution with result passing
    Last updated -
    109
    48
    MIT License

  • MailPace MCP Serverofficial

    mailpace
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    An MCP server implementation that allows sending emails over MailPace's fast transactional email API.
    Last updated -
    1
    1
    MIT License

  • YaVendió Toolsofficial

    YaVendio
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    An MCP-based messaging system that allows AI systems to interact with various messaging platforms through standardized tools for sending text, images, documents, buttons, and alerts.
    Last updated -

  • MCP Server for Dify AI

    yuru-sha
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    Enables LLMs to interact with Dify AI's chat completion API, including conversation context support and a restaurant recommendation tool.
    Last updated -
    10
    MIT License

  • CTX: Context as Code (CaC) tool

    context-hub
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    CTX is a tool made to solve a big problem when chatting with LLMs like ChatGPT or Claude: giving them enough context about your project.
    Last updated -
    185
    MIT License
    • Apple
    • Linux

  • Gmail MCP Server

    jasonsum
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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.
    Last updated -
    59
    GPL 3.0
    • Apple

  • MCP Email Service

    leeguooooo
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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.
    Last updated -
    10
    • Apple
    • Linux