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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:

  • Documentation MCP Server

    sagacious-satadru
    A
    security
    F
    license
    A
    quality
    A server that enables Claude to search and access documentation from popular libraries like LangChain, LlamaIndex, and OpenAI directly within conversations.
    Last updated -
    1
    3

  • Google Workspace MCP Connector

    bd01010
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    security
    F
    license
    -
    quality
    A ChatGPT custom connector that enables users to access, create, and manage Google Workspace files (Drive, Docs, Sheets, Slides) directly through ChatGPT using OAuth 2.0 authentication.
    Last updated -
    1

  • Google Workspace MCP Server

    aaronsb
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    security
    A
    license
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    quality
    Provides authenticated access to Google Workspace APIs with a focus on Gmail operations and planned Calendar support, featuring secure OAuth authentication and multi-account management with detailed error handling.
    Last updated -
    98
    MIT License
    • Linux
    • Apple

  • MCP Documentation Server

    mahawi1992
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    security
    F
    license
    -
    quality
    A smart documentation server that provides AI-assisted code improvement and documentation management through Claude Desktop integration.
    Last updated -
    10

  • Google Workspace MCP Server

    cfdude
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    security
    F
    license
    -
    quality
    Provides 84 specialized tools for comprehensive Google Workspace automation including Gmail, Calendar, and Drive operations. Features persistent background service with centralized OAuth authentication through Composio for secure enterprise integration.
    Last updated -

  • A Share MCP

    24mlight
    A
    security
    A
    license
    A
    quality
    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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  • Two Truths and a Twist

    ErgodicLabs
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    security
    A
    license
    -
    quality
    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

  • MCP Google Workspace Server

    j3k0
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    security
    A
    license
    -
    quality
    Enables interaction with Gmail and Google Calendar using the MCP protocol, supporting multiple Google accounts, email management, and calendar operations through natural language.
    Last updated -
    13
    MIT License
    • Apple

  • Documentation Search MCP Server

    anton-prosterity
    A
    security
    A
    license
    A
    quality
    A Model Context Protocol server that enables intelligent searching across documentation for 30+ programming libraries and frameworks, fetching relevant information from official sources.
    Last updated -
    22
    6
    MIT License
    • Apple

  • PyTorch Documentation Search Tool

    seanmichaelmcgee
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    security
    F
    license
    -
    quality
    Provides semantic search capabilities over PyTorch documentation, enabling users to find relevant documentation, APIs, code examples, and error messages through Claude Code integration.
    Last updated -
    2

  • MCP Tool

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

  • A-Share MCP Server

    24mlight
    A
    security
    A
    license
    A
    quality
    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

  • OpenTelemetry Documentation MCP Server

    ryu1maniwa
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    security
    A
    license
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    quality
    Enables access to OpenTelemetry documentation by fetching and converting pages to markdown format and searching content using Google Custom Search. Provides comprehensive documentation lookup and search capabilities for OpenTelemetry concepts, instrumentation, and configuration.
    Last updated -
    2
    3
    Apache 2.0

  • Google Workspace MCP Server

    epaproditus
    A
    security
    A
    license
    A
    quality
    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.
    Last updated -
    25
    MIT License

  • AWS Documentation MCP Server

    daniel-levesque
    A
    security
    A
    license
    A
    quality
    Provides tools to access AWS documentation, search for content, and get recommendations for both global and China AWS regions.
    Last updated -
    3
    Apache 2.0

  • MoEngage Documentation MCP Server

    poojitha-rachuri
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    security
    F
    license
    -
    quality
    Provides comprehensive access to MoEngage documentation from developers, help, and partners portals with full-text search, automatic updates, and intelligent filtering by platform, category, and source.
    Last updated -

  • MCP Think Tool

    piotrpalek
    A
    security
    F
    license
    A
    quality
    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

  • db-mcp-tool

    wirdes
    A
    security
    A
    license
    A
    quality
    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

    DannyMac180
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    security
    A
    license
    -
    quality
    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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    security
    F
    license
    -
    quality
    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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    security
    A
    license
    -
    quality
    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

  • Perplexity Tool for Claude Desktop

    letsbuildagent
    A
    security
    A
    license
    A
    quality
    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

  • Gemini MCP Tool

    jamubc
    A
    security
    F
    license
    A
    quality
    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

  • mcp-tool-builder

    hanweg
    A
    security
    A
    license
    A
    quality
    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

  • Divide and Conquer MCP Server

    landicefu
    A
    security
    A
    license
    A
    quality
    Enables AI agents to break down complex tasks into manageable pieces using a structured JSON format with task tracking, context preservation, and progress monitoring capabilities.
    Last updated -
    15
    49
    6
    MIT License
    • Apple
    • Linux

  • Weather MCP Tool

    jalaj-pandey
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    security
    F
    license
    -
    quality
    An India-focused MCP server that provides real-time weather conditions, forecasts, air quality data, and location search capabilities using the OpenWeatherMap API.
    Last updated -

  • MCP Think Tool Server

    cgize
    A
    security
    A
    license
    A
    quality
    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

  • Account and Transaction MCP Server

    ag2-mcp-servers
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    security
    F
    license
    -
    quality
    An MCP Server that provides a conversational interface to the UK Open Banking account information API, allowing agents to interact with bank account data through natural language commands.
    Last updated -

  • MCP Think Tool Server

    abhinav-mangla
    A
    security
    A
    license
    A
    quality
    A Model Context Protocol server that provides Claude with a dedicated space for structured thinking during complex problem-solving tasks, helping improve its reasoning capabilities.
    Last updated -
    1
    67
    9
    MIT License
    • Apple