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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:

  • Claude Chunks

    vetlefo
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    An MCP server that intelligently chunks large documents for Claude, enabling efficient context-aware processing and summary generation for enhanced document comprehension.
    Last updated -
    12

  • In Memoria

    pi22by7
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    Persistent memory and pattern learning for AI coding assistants via MCP.
    Last updated -
    341
    62
    MIT License
    • Apple
    • Linux

  • Text Analyzer

    suteeee
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    Provides comprehensive text analysis capabilities including character counting, word statistics, character type analysis, and text length validation for Korean and English text. Supports AI agents in analyzing and validating text content with detailed statistics and Unicode support.
    Last updated -
    • Apple
    • Linux

  • 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

  • Mutation Clinical Trial Matching MCP

    pickleton89
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    A Model Context Protocol server that enables Claude Desktop to search clinicaltrials.gov for matching clinical trials based on genetic mutations provided in natural language queries.
    Last updated -
    MIT License
    • Apple

  • mcp-text-editor

    tumf
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    A line-oriented text file editor. Optimized for LLM tools with efficient partial file access to minimize token usage.
    Last updated -
    6
    157
    MIT License
    • Apple
    • Linux

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  • mcp-server-text-editor

    bhouston
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    An open source implementation of the Claude built-in text editor tool versions: text\_editor\_20241022 (Claude 3.5 Sonnet) text\_editor\_20250124 (Claude 3.7 Sonnet)
    Last updated -
    1
    41
    27
    MIT License

  • text-counter

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    An MCP server that calculates basic text metrics for input text.

  • All-in-One Dev

    nguyenvanduocit
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    All In One Model Context Protocol: qdrant, google suite (gmail, calendar, ...), jira, gitlab, CLI, ...
    Last updated -
    87

  • 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

  • With-MCP

    janwilmake
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    Middleware that converts a serverless handler with OpenAPI spec into an MCP endpoint following stateless MCP principles.
    Last updated -
    302
    34
    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

  • URL Text Fetcher MCP Server

    alexandru2882
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    Enables fetching visible text content and extracting all links from web pages through URL requests. Designed specifically for LM Studio integration to provide web scraping capabilities.
    Last updated -
    2
    1

  • 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

  • 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

  • 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

    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-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

  • 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 -

  • Text-to-SQL MCP Server

    tmstack
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    A secure database query service built on FastMCP framework that allows users to query MySQL databases using natural language, with comprehensive permission management and security controls.
    Last updated -
    6

  • 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

  • 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

  • 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

  • Weather MCP Tool

    jalaj-pandey
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    security
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    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

    abhinav-mangla
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    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

  • Log Analyzer with MCPofficial

    awslabs
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    A Model Context Protocol server that provides AI assistants access to AWS CloudWatch Logs, enabling browsing, searching, summarizing, and correlating logs across multiple AWS services.
    Last updated -
    126
    Apache 2.0

  • 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

  • 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

  • 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

  • Japanese Text Analyzer

    Mistizz
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    Counts characters and words in both Japanese and English text files, with special handling for Japanese morphological analysis and proper character counting excluding spaces and line breaks.
    Last updated -
    6
    2
    MIT License

  • SSE MCP Server with JWT Authentication

    anisirji
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    security
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    A Model Context Protocol server that exposes multiple AI tools over SSE transport with JWT-based secure authentication, allowing for dynamic tool registration and session management.
    Last updated -
    8,148
    4