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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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9,479 servers. Last updated -

Matching MCP tools:

Matching MCP servers:

  • Elasticsearch Knowledge Graph for MCP

    j3k0
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    quality
    Provides a scalable knowledge graph implementation for Model Context Protocol using Elasticsearch, enabling AI models to store and query information with advanced search capabilities, memory-like behavior, and multi-zone architecture.
    Last updated -
    20
    16

  • A Share MCP

    24mlight
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    security
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    license
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    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

  • MCP Tools for Obsidian

    jacksteamdev
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    A local MCP server that enables AI applications like Claude Desktop to securely access and work with Obsidian vaults, providing capabilities for reading notes, executing templates, and performing semantic searches.
    Last updated -
    342
    MIT License
    • Apple
    • Linux

  • mcp-knowledge-graph

    shaneholloman
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    quality
    An improved implementation of persistent memory using a local knowledge graph with a customizable --memory-path. This lets Claude remember information about the user across chats.
    Last updated -
    9
    1,113
    652
    MIT License
    • Apple

  • Neo4j Knowledge Graph

    mjftw
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    Enables storage and retrieval of knowledge in a graph database format, allowing users to create, update, search, and delete entities and relationships in a Neo4j-powered knowledge graph through natural language.
    Last updated -
    3
    • Linux

  • CFM Tips - Cost Optimization MCP Server

    aws-samples
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    security
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    A comprehensive Model Context Protocol server that analyzes AWS costs and provides optimization recommendations by integrating with services like Cost Explorer, Cost Optimization Hub, and Trusted Advisor.
    Last updated -
    13
    MIT License

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  • Two Truths and a Twist

    ErgodicLabs
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    security
    A
    license
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    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

  • Knowledge Graph Memory Server

    itseasy21
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    quality
    An implementation of persistent memory for Claude using a local knowledge graph, allowing the AI to remember information about users across conversations with customizable storage location.
    Last updated -
    11
    228
    54
    JavaScript
    MIT License
    • Apple

  • Database Tools for Claude AI

    elber-code
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    MCP server that allows Claude AI to interact directly with MySQL databases, enabling query execution and table information retrieval through natural language.
    Last updated -
    1
    1
    4

  • Narrative Graph MCP

    angrysky56
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    A Model Context Protocol server implementing the Random Tree Model for encoding, compressing, and recalling narrative information across different levels of abstraction with configurable cognitive parameters.
    Last updated -
    4

  • MCP Microsoft Graph Server

    tcpatter
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    security
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    quality
    Provides secure access to Microsoft Entra ID (Azure AD) resources including users, devices, and applications through Microsoft Graph API. Enables querying organizational data with comprehensive audit logging to Azure Blob Storage.
    Last updated -

  • Azure Topology Graph MCP Server

    dhippley
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    security
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    quality
    Enables exploration and analysis of Azure infrastructure by querying Azure Resource Graph, ARM, and Network Watcher APIs to create interactive topology maps. Provides tools for searching resources, discovering relationships, finding connectivity paths, and visualizing complete Azure infrastructure topologies.
    Last updated -

  • A-Share MCP Server

    24mlight
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    security
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    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

  • YaVendió Toolsofficial

    YaVendio
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    security
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    license
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    quality
    An MCP-based messaging system that allows AI systems to interact with various messaging platforms through standardized tools for sending text, images, documents, buttons, and alerts.
    Last updated -

  • MCP Tools

    starzzzzzzzzzzzzzz
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    security
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    quality
    An MCP (Model Context Protocol) server implementation using HTTP SSE (Server-Sent Events) connections with built-in utility tools including echo, time, calculator, and weather query functionality.
    Last updated -

  • Azure Resource Graph MCP Server

    hardik-id
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    security
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    quality
    A Model Context Protocol server for querying and analyzing Azure resources at scale using Azure Resource Graph, enabling AI assistants to explore and monitor Azure infrastructure.
    Last updated -
    1
    11
    MIT License
    • Linux
    • Apple

  • ethereum-tools

    0xGval
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    security
    F
    license
    A
    quality
    A comprehensive toolkit for Ethereum blockchain analysis within Claude AI, enabling contract auditing, wallet analysis, profitability tracking, and on-chain data retrieval.
    Last updated -
    11
    816
    10

  • Logseq MCP Tools

    joelhooks
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    security
    F
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    A Model Context Protocol server that provides AI assistants with structured access to your Logseq knowledge graph, enabling retrieval, searching, analysis, and creation of content within your personal knowledge base.
    Last updated -
    50
    • Apple

  • 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 -
    15
    49
    6
    MIT License
    • Apple
    • Linux

  • Adaptive Graph of Thoughts MCP Server

    SaptaDey
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    security
    A
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    quality
    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.
    Last updated -
    19
    MIT License

  • GCP Billing and Monitoring MCP Server

    RadiumGu
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    security
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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

  • TypeScript Tools MCP

    trkbt10
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    A Model Context Protocol (MCP) server that provides TypeScript development tools for automated refactoring and code analysis.
    Last updated -
    • Apple
    • Linux

  • MCP Civil Tools

    tutumomo
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    security
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    quality
    A Python-based MCP server that provides coordinate conversion between latitude/longitude and UTM/TWD97, along with various civil engineering calculation tools for LLM and AI application integration.
    Last updated -
    2
    • Linux
    • Apple

  • Account and Transaction MCP Server

    ag2-mcp-servers
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    security
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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.
    Last updated -

  • Knowledge Graph Memory Server

    modelcontextprotocol
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    security
    A
    license
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    A basic implementation of persistent memory using a local knowledge graph. This lets Claude remember information about the user across chats.
    Last updated -
    9
    71,166
    68,255
    MIT License
    • Apple
    • Linux

  • MCP Utility Tools

    haasonsaas
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    A collection of tools that enhance MCP-based workflows with caching, retry logic, batch operations, and rate limiting capabilities.
    Last updated -
    7
    0
    MIT License

  • MCP Dynamic Tools

    Positronic-AI
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    security
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    A dynamic MCP server that automatically discovers Python files in a directory and exposes them as tools to any MCP-compatible AI client, allowing users to easily create and deploy custom AI tools.
    Last updated -
    MIT License

  • mcp-sequentialthinking-tools

    spences10
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    An adaptation of the MCP Sequential Thinking Server designed to guide tool usage in problem-solving. This server helps break down complex problems into manageable steps and provides recommendations for which MCP tools would be most effective at each stage.
    Last updated -
    1
    1,569
    369
    MIT License

  • image-tools-mcp

    kshern
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    security
    A
    license
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    Image Tools MCP is a Model Context Protocol (MCP) service that retrieves image dimensions and compresses images from URLs and local files using the TinyPNG API. It supports converting images to formats like webp, jpeg/jpg, and png, providing detailed information on width, height, type, and compressi
    Last updated -
    2
    12
    7
    MIT License
    • Apple

  • Flutter Tools MCP Server

    dkpoulsen
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    security
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    Enables interaction with the Flutter SDK by providing tools to analyze and apply fixes to Dart and Flutter files.
    Last updated -
    7

  • MCP Calc Tools

    nbiish
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    A server that provides advanced mathematical and financial calculation capabilities for AI code assistants, enabling them to perform complex calculations like symbolic calculus, numerical methods, and financial analysis without implementing algorithms directly.
    Last updated -
    18
    4