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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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11,709 servers. Last updated -

Matching MCP tools:

Matching MCP servers:

  • Diagrams MCP Server

    apetta
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    Enables creation of infrastructure and architecture diagrams as code using the Python diagrams library, supporting 15+ cloud providers, 500+ node types, custom icons, and flowcharts with multiple output formats.
    Last updated -
    MIT License

  • AWS Diagram MCP Server

    lukeburciu
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    Enables users to generate professional AWS architecture diagrams, sequence diagrams, flow charts, and class diagrams using Python code through the diagrams package. Supports customizable styling and secure diagram generation for cloud infrastructure visualization.
    Last updated -
    3
    Apache 2.0

  • PlantUML MCP Server

    infobip
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    Enables generation of PlantUML diagrams (sequence, class, C4, architecture) with embeddable SVG/PNG URLs, encoding/decoding capabilities, and automatic syntax error detection and fixing.
    Last updated -
    49
    6
    MIT License

  • C++ UML Class Diagram Generator

    hydavinci
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    Analyzes C++ source code to automatically generate UML class diagrams in PlantUML format, extracting classes, inheritance relationships, and member visibility from directories or file contents.
    Last updated -
    MIT License
    • Linux
    • Apple

  • AI Diagram & Prototype Generator

    SimonUTD
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    Enables generation of professional diagrams and interactive prototypes from natural language descriptions using multiple AI models. Supports creating draw.io diagrams, HTML prototypes, and styled mobile app interfaces with Apple HIG and WeChat Mini Program design standards.
    Last updated -
    3
    59
    MIT License
    • Linux
    • Apple

  • DevEnvInfoServer

    carterlasalle
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    An MCP server that provides detailed information about your development environment to the Cursor code editor, enabling more context-aware assistance.
    Last updated -
    7
    MIT License
    • Linux
    • Apple

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  • UML MCP

    icatw
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    security
    F
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    Enables AI assistants to generate UML diagrams through natural language by rendering PlantUML code into PNG or SVG images. Supports sequence diagrams, class diagrams, use case diagrams, and other UML chart types with Base64-encoded output.
    Last updated -
    4
    • Apple
    • Linux

  • mcp-mermiad

    Narasimhaponnada
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    Narasimhaponnada/mermaid-mcp - AI-powered Mermaid diagram generation with 22+ diagram types including flowcharts, sequence diagrams, class diagrams, ER diagrams, architecture diagrams, state machines, and more. Features 50+ pre-built templates, advanced layout engines, SVG/PNG/PDF exports.
    Last updated -
    1

  • OpenManager Vibe V4 MCP Server

    skyasu2
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    A natural language-based server analysis and monitoring system that automatically processes user queries about server status and provides detailed responses with visualizations.
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  • claude-mermaid

    veelenga
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    MCP Server to previewing mermaid diagrams. https://github.com/veelenga/claude-mermaid/
    Last updated -
    2
    36
    18
    MIT License
    • Apple
    • Linux

  • System Information MCP Server

    dknell
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    Provides real-time system metrics and information through a Model Context Protocol interface, enabling access to CPU usage, memory statistics, disk information, network status, and running processes.
    Last updated -
    7
    3
    • Apple
    • Linux

  • MCP Kroki Server

    tkoba1974
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    Converts diagrams (Mermaid, PlantUML, Graphviz, etc.) to SVG, PNG, PDF, or JPEG images using Kroki.io. Supports generating diagram URLs and downloading diagrams to local files.
    Last updated -
    1
    4
    MIT License

  • MCP Registry Server

    jaw9c
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    Enables searching and retrieving detailed information about MCP servers from the official MCP registry. Provides tools to list servers with filtering options and get comprehensive details about specific servers.
    Last updated -
    2

  • steam

    dsp
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    Provide information about the games you played and how long you played them for to an LLM
    Last updated -
    5
    MIT License

  • Zendesign MCP Server

    vishnumallela
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    An MCP server that allows Cursor users to fetch real-time information about Zendesign design system components.
    Last updated -
    MIT License
    • Apple
    • Linux

  • Draw.io MCP Server

    Noacodenoobe
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    Enables programmatic creation and management of draw.io diagrams through MCP tools. Supports building architecture diagrams, flowcharts, and visualizations with stateless operations that generate VSCode-compatible .drawio.svg files.
    Last updated -
    43
    Apache 2.0

  • UMLmcp

    Cool-Coder174
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    Enables users to generate PlantUML code for UML Class and Sequence diagrams using Google Gemini AI. Supports both domain JSON input and free text descriptions to create structured UML diagrams.
    Last updated -
    MIT License

  • Korean Company Information MCP Server

    SeoNaRu
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    Enables AI agents to query Korean listed companies' financial statements, public disclosures, executive information, and shareholder structures in real-time using the DART API.
    Last updated -
    • Apple
    • Linux

  • RAG Information Retriever

    ChandrahaasJ
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    An MCP server that implements Retrieval-Augmented Generation to efficiently retrieve and process important information from various sources, providing accurate and contextually relevant responses.
    Last updated -

  • BundlerMCP

    subelsky
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    Enables agents to query information about gems in a Ruby project's Gemfile, including source code and metadata.
    Last updated -
    18
    MIT License

  • Knowledge Graph Memory Server

    AgentWong
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    A persistent memory implementation using a local knowledge graph that lets Claude remember information about users across conversations.
    Last updated -
    7
    MIT License

  • NS Travel Information Server

    KallivdH
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    Provides real-time Dutch railway (NS) travel information including train schedules, delays, journey planning, ticket prices, and station details for navigating the Netherlands by train.
    Last updated -
    8
    15
    MIT License

  • JR East Delay Information MCP Server

    tinjyuu
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    An MCP server that provides real-time delay information for JR East train lines, accessible via MCP clients like Claude Desktop through the 'getDelays' tool.
    Last updated -
    4
    MIT License

  • mcp-mermaid-validator

    rtuin
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    A Model Context Protocol server that validates and renders Mermaid diagrams.
    Last updated -
    12
    1
    59
    46
    MIT License

  • Cortex MCPofficial

    cortexapps
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    A Model Context Protocol server that provides natural language access to Cortex API, enabling users to query information about their system's structure and make faster decisions about services, incidents, and team responsibilities.
    Last updated -
    5
    MIT License

  • FedMCP - Federal Parliamentary Information

    northernvariables
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    Provides access to Canadian federal parliamentary data (debates, bills, MPs, votes, Hansard transcripts) and legal information (case law and legislation through CanLII) for research and analysis.
    Last updated -
    2
    MIT License

  • FirstCycling MCP Server

    r-huijts
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    Provides professional cycling data from FirstCycling, allowing users to retrieve comprehensive information about cyclists, race results, historical cycling data, and team information through natural language queries.
    Last updated -
    18
    17
    MIT License
    • Apple

  • Terraform Registry MCP Server

    Qvakk
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    Enables AI assistants to search and retrieve information about Terraform providers and modules from the public Terraform registry, including detailed documentation, version information, and resource specifications.
    Last updated -
    MIT License