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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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11,517 servers. Last updated -

Matching MCP tools:

Matching MCP servers:

  • Hong Kong Open Data MCP Serverofficial

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    Enables access to Hong Kong government's official open data portal (DATA.GOV.HK) through natural language queries. Supports searching datasets, browsing categories, and retrieving detailed information about Hong Kong's public data resources.
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    MIT License

  • Data Visualization MCP Server

    markomitranic
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    An MCP server that allows AI models to create data visualizations using Vega-Lite syntax by providing tools to save data tables and generate visualizations from them.
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  • MCP Data Wrangler

    shibuiwilliam
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    A Model Context Protocol server for data wrangling that provides standardized interfaces for data preprocessing, transformation, and analysis tasks including data aggregation and descriptive statistics.
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    MIT License
    • Linux
    • Apple

  • Atom-of-thoughts

    kbsooo
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    AoT MCP server enables AI models to solve complex reasoning problems by decomposing them into independent, reusable atomic units of thought, featuring a powerful decomposition-contraction mechanism that allows for deep exploration of problem spaces while maintaining high confidence in conclusions.
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    MIT License
    • Apple
    • Linux

  • 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.
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  • Chain of Draft Thinking

    bsmi021
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    Chain of Draft Server is a powerful AI-driven tool that helps developers make better decisions through systematic, iterative refinement of thoughts and designs. It integrates seamlessly with popular AI agents and provides a structured approach to reasoning, API design, architecture decisions, code r
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    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.
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    • 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.
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    MIT License

  • 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).
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    The Unlicense

  • Chain of Draft (CoD) MCP Server

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    Implements the Chain of Draft reasoning approach to generate minimalistic intermediate reasoning outputs while solving tasks, significantly reducing token usage while maintaining accuracy.
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    • 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.
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    4
    MIT License
    • Apple

  • Qwen MCP Tool

    Jaggerxtrm
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    Enables AI assistants to leverage Qwen's code analysis capabilities with large context windows, supporting file/directory analysis, sandbox execution, and multiple approval modes for safe code operations.
    Last updated -
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  • 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.
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    40,569
    1,425
    • Apple
    • Linux

  • mcp-data-extractor

    sammcj
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    A Model Context Protocol server that extracts embedded data (such as i18n translations or key/value configurations) from TypeScript/JavaScript source code into structured JSON configuration files.
    Last updated -
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    MIT License

  • Word of the Day MCP Server

    Traves-Theberge
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    Provides comprehensive word definitions, pronunciations, meanings, and examples for any English word using the Free Dictionary API. Includes a random word-of-the-day feature with difficulty levels for vocabulary building.
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    MIT License

  • Divide and Conquer MCP Server

    landicefu
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    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 -
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    MIT License
    • Apple
    • Linux

  • Fiscal Data MCP Server

    QuantGeekDev
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    Connects to the US Treasury's Fiscal Data API, enabling users to fetch specific treasury statements, access historical data, and generate formatted reports.
    Last updated -
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    • Apple

  • 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.
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    MIT License

  • World of Warships Ship Data MCP

    amxkifir
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    Enables users to search, compare, and retrieve detailed information about World of Warships ships using the official Wargaming.net API. Supports filtering by nation, type, and tier with multi-language support and intelligent caching.
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    • Apple
    • Linux

  • Data Analysis MCP Server

    boyzhang666
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    Provides comprehensive statistical analysis tools for industrial data including time series analysis, correlation calculations, stationarity tests, outlier detection, causal analysis, and forecasting capabilities. Enables data quality assessment and statistical modeling through a FastAPI-based MCP architecture.
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  • Account and Transaction MCP Server

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    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.
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  • mc-server-clash-of-clans

    Saunved
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    MCP server for the Clash of Clans API. Can get player, clan information, analyze ongoing wars, as well as war logs (provided they are public).
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  • Charts Visualization MCP Server

    sakshi1x
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    Enables generation and visualization of bar and pie charts from structured data using FastAPI and Altair. Charts are saved as PNG images and served via REST API endpoints with unique URLs.
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  • focus_mcp_data

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    The intelligent data query plugin under DataFocus that supports multi-round conversations provides plug-and-play ChatBI capabilities.
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    Apache 2.0

  • Personnel Data MCP Server

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    An MCP Server that provides access to Personio's HR and personnel data through the Personnel API, allowing interaction with employee records, HR systems, and personnel management functions.
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    • Linux
    • Apple

  • Market Data MCP Server

    pishnuke
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    Enables fetching market and options data including OHLCV prices, option chains, Greeks, and corporate events through a pluggable FastAPI service. Supports creating aligned training datasets for financial analysis and uses yfinance by default with support for custom data providers.
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  • Adaptive Graph of Thoughts MCP Server

    SaptaDey
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    A scientific reasoning framework that leverages graph structures and the Model Context Protocol (MCP) to process complex scientific queries through an Advanced Scientific Reasoning Graph-of-Thoughts (ASR-GoT) approach.
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    MIT License