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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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9,443 servers. Last updated -

Matching MCP tools:

Matching MCP servers:

  • Calendar MCP

    wyattjoh
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    MCP server for accessing macOS Calendar events
    Last updated -
    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

  • Google Calendar

    GongRzhe
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    Google Calendar integration in Cursor IDE. This server enables AI assistants to manage Google Calendar events through natural language interactions.
    Last updated -
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    5

  • 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

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  • Google Calendar MCP Server

    Caue397
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    security
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    Enables LLMs to read, create, and manage Google Calendar events through a standardized interface, including features like listing calendars, managing events, and processing calendar information from screenshots and images.
    Last updated -
    23
    1
    • Apple

  • Google Calendar MCP

    nspady
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    Lets LLMs read and manage Google Calendar events.
    Last updated -
    995
    622
    MIT License
    • Apple

  • Google Calendar MCP

    AnByoungHyun
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    A server that enables Cursor users to view, create, and manage Google Calendar events through natural language commands using the MCP protocol with Google OAuth2 authentication.
    Last updated -
    5
    • Apple

  • Two Truths and a Twist

    ErgodicLabs
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    An MCP-based trivia game server where AI creates rounds with two true statements and one false 'twist' about various topics, letting players guess which statement is false.
    Last updated -
    5
    MIT License
    • Apple
    • Linux

  • Outlook Calendar MCP

    merajmehrabi
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    The Outlook Calendar MCP enables Claude to directly manage Microsoft Outlook calendars on Windows systems, offering a privacy-focused solution that keeps all data local. Users can view events, create meetings, find free time slots, and manage multiple calendars without their data leaving their machi
    Last updated -
    7
    52
    30
    MIT License

  • Calendar Tools MCP Server

    cablate
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    Enables comprehensive calendar management with capabilities to create, list, update, and delete events through a Model Context Protocol server integrated with Google Calendar.
    Last updated -
    15
    3
    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

  • ScottOS MCP Calendar Server

    sschucktown
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    Enables ChatGPT to interact with Google Calendar through a remote MCP server. Provides tools to list, create, update, and delete calendar events with OAuth authentication.
    Last updated -

  • Google Calendar MCP Server

    thisnick
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    Allows interaction with Google Calendar through Claude Desktop using the Model Context Protocol, enabling calendar event management and schedule analysis.
    Last updated -
    2
    • Apple

  • Google Calendar MCP Server

    takumi0706
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    A Model Context Protocol server that integrates Google Calendar with Claude Desktop, enabling users to manage calendar events (view, create, update, delete) through natural language.
    Last updated -
    41
    51
    MIT License

  • macOS Calendar MCP Server

    xybstone
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    A Model Context Protocol server that enables direct integration with macOS Calendar application using AppleScript, allowing users to create, list, and search calendar events without requiring OAuth setup.
    Last updated -
    8
    3
    MIT License
    • Apple

  • Google Calendar MCP Server

    am2rican5
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    Integrates Google Calendar with AI assistants through the Model Context Protocol, allowing users to view and manage calendar events through natural language interaction.
    Last updated -
    41
    10
    MIT License

  • MCP Tool

    PiuQiuPiaQia
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    A server built on mcp-framework that enables integration with Claude Desktop through the Model Context Protocol.
    Last updated -
    1
    1
    • Apple

  • Google Calendar MCP Server

    peadams21
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    Provides comprehensive Google Calendar integration capabilities allowing AI assistants to list, create, update, and delete calendar events through a standardized Model Context Protocol.
    Last updated -
    5
    1
    MIT License

  • A-Share MCP Server

    24mlight
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    A Model Context Protocol server focused on China's A-share stock market that provides data on stocks, financials, market indices, and macroeconomic indicators.
    Last updated -
    27
    424
    MIT License

  • Calendar AutoAuth MCP Server

    GongRzhe
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    Server for Google Calendar integration in Cluade Desktop with auto authentication support. This server enables AI assistants to manage Google Calendar events through natural language interactions.
    Last updated -
    17
    12
    MIT License

  • Google Calendar AutoAuth MCP Server

    falgom4
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    Enables AI assistants to manage Google Calendar through natural language interactions with features like creating, updating, and deleting events, searching calendars, and supporting natural language date/time inputs.
    Last updated -
    5
    2
    MIT License
    • Apple
    • Linux

  • Google Calendar MCP Server

    kayesFerdous
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    Enables interaction with Google Calendar through OAuth 2.0 authentication. Supports listing, creating, and deleting calendar events with timezone handling and RFC3339 date formatting.
    Last updated -

  • 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

  • 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

  • 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-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

  • Gemini MCP Tool

    jamubc
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    A Model Context Protocol server that enables AI assistants to interact with Google Gemini CLI, allowing them to leverage Gemini's large token window for analyzing files and codebases using natural language commands.
    Last updated -
    6
    41,021
    1,362
    • Apple
    • Linux

  • GCP Billing and Monitoring MCP Server

    RadiumGu
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    Enables interaction with Google Cloud services including billing cost analysis, log querying, and metrics monitoring through natural language commands. Provides comprehensive tools for managing GCP resources, analyzing costs, detecting anomalies, and retrieving operational insights.
    Last updated -
    40
    Apache 2.0

  • Cal.com Calendar MCP Server

    mumunha
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    security
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    An MCP server that enables scheduling, updating, deleting, and listing calendar appointments through Cal.com's Calendar API.
    Last updated -
    2

  • mcp-tool-builder

    hanweg
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    MCP server that builds itself by creating new tools as needed based on user requests (Requires restart of Claude Desktop to use newly created tools).
    Last updated -
    4
    27
    The Unlicense