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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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9,449 servers. Last updated -

Matching MCP tools:

Matching MCP servers:

  • Academic Paper Search MCP Server

    afrise
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    Enables real-time search and retrieval of academic paper information from multiple sources, providing access to paper metadata, abstracts, and full-text content when available, with structured data responses for integration with AI models that support tool/function calling.
    Last updated -
    3
    67
    AGPL 3.0

  • 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

  • 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

  • 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

    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

  • MCP Think Tool

    piotrpalek
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    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

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  • mcp-tool-chainer

    thirdstrandstudio
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    security
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    license
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    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

  • Twitter MCP Tool

    jalaj-pandey
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    security
    F
    license
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    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-builder

    hanweg
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    security
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    license
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    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

  • 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

  • Weather MCP Tool

    jalaj-pandey
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    security
    F
    license
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    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 -

  • Yes or No MCP

    a-polishchuk
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    security
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    license
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    quality
    A simple MCP server implementation in TypeScript that communicates over stdio, allowing users to ask questions that end with 'yes or no' to trigger the MCP tool in Cursor.
    Last updated -
    1
    0

  • MCP Think Tool Server

    cgize
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    license
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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

  • Cloud Tool Results API MCP Server

    ag2-mcp-servers
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    security
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    An MCP Server that provides access to Google's Cloud Tool Results API, enabling applications to programmatically interact with test results from Firebase Test Lab and mobile app testing through natural language.
    Last updated -
    • Linux
    • Apple

  • MCP Think Tool Server

    abhinav-mangla
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    security
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    license
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    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

  • Google OR-Tools server

    Jacck
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    quality
    MCP-ORTools integrates Google's OR-Tools constraint programming solver with Large Language Models through the MCP, enabling AI models to: Submit and validate constraint models Set model parameters Solve constraint satisfaction and optimization problems Retrieve and analyze solution
    Last updated -
    14
    MIT License
    • Apple

  • MCP Server for Google Search

    mcp-for-dev
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    security
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    A Model Context Protocol server that provides web search capabilities using Google Custom Search API and webpage content extraction functionality.
    Last updated -
    2
    7
    1
    • Apple

  • MCP Web Search Tool

    gabrimatic
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    A Model Context Protocol server that provides real-time web search capabilities to AI assistants through pluggable search providers, currently integrated with the Brave Search API.
    Last updated -
    13
    MIT License

  • HDU Academic System MCP Server

    ZztIsolation
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    security
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    Enables AI assistants to interact with Hangzhou Dianzi University's academic system through automatic login and course schedule retrieval. Supports secure authentication and structured academic data access for HDU students.
    Last updated -
    2

  • MCP Server for Splunk

    deslicer
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    Enables AI agents to interact seamlessly with Splunk environments through 20+ tools for search, analytics, data discovery, administration, and health monitoring. Features AI-powered troubleshooting workflows and supports multiple Splunk instances with production-ready security.
    Last updated -
    12
    Apache 2.0
    • Apple
    • Linux

  • claude-debugs-for-you

    jasonjmcghee
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    Enable Claude (or any other LLM) to interactively debug your code (set breakpoints and evaluate expressions in stack frame). It's language-agnostic, assuming debugger console support and valid launch.json for debugging in VSCode.
    Last updated -
    427
    MIT License
    • Apple

  • Academic Author Network MCP Server

    alperenkocyigit
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    security
    F
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    quality
    Enables analysis of academic author networks and research collaborations by retrieving co-authors and research keywords from sources like Semantic Scholar, OpenAlex, Crossref, and Google Scholar.
    Last updated -
    1

  • MCP Server for Intercom

    raoulbia-ai
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    An MCP-compliant server that enables AI assistants like Claude Desktop to access and analyze Intercom support tickets with full conversation history.
    Last updated -
    4
    7
    Apache 2.0
    • Linux

  • Postman Tool Generation MCP Server

    giovannicocco
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    An MCP server that generates AI agent tools from Postman collections and requests. This server integrates with the Postman API to convert API endpoints into type-safe code that can be used with various AI frameworks.
    Last updated -
    13
    MIT License

  • MCP Server For Local

    Dreamboat-Rachel
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    A customizable Model Context Protocol server implementation that enables AI models to interact with external tools including weather queries, Google search, and camera control functionality.
    Last updated -
    1
    13
    Apache 2.0
    • Linux
    • Apple

  • mem0 MCP Server for Project Management

    KunihiroS
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    security
    F
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    A bridge between MCP Host applications and mem0 cloud service, specialized for project management with capabilities to store, retrieve, and search project information within a structured format.
    Last updated -
    6

  • Prompt-Optimizer-MCP-for-LLMs

    Mahad-007
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    A Model Context Protocol (MCP) server that provides intelligent tools for optimizing and scoring LLM prompts using deterministic heuristics.
    Last updated -
    MIT License

  • Think MCP Tool

    Rai220
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    license
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    An MCP server that provides a "think" tool enabling structured reasoning for AI agents, allowing them to pause and record explicit thoughts during complex tasks or multi-step tool use.
    Last updated -
    1
    74
    MIT License

  • Reasoning Tool MCP Server

    NexusX-MCP
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    Implements Anthropic's 'reasoning' tool as an MCP server for Claude, providing a dedicated scratchpad for structured thinking that dramatically improves performance on complex problem-solving tasks.
    Last updated -

  • Scancode License Analysis Tool for MCP

    bivex
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    security
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    license
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    quality
    Analyzes software licenses using Scancode data to help users identify problematic licenses, affected files, and compliance issues through the Model Context Protocol.
    Last updated -
    5