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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:

  • Systems MCP

    lethain
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    An MCP server that allows users to run and visualize systems models using the lethain:systems library, including capabilities to run model specifications and load systems documentation into the context window.
    Last updated -
    2
    14
    MIT License
    • Apple

  • MCP Waifu Queue

    waifuai
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    security
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    quality
    An MCP server that implements a conversational AI 'waifu' character using a text generation service with Redis queuing and GPU acceleration.
    Last updated -
    1
    MIT No Attribution

  • ethereum-validator-queue-mcp

    kukapay
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    security
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    license
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    quality
    An MCP server that tracks Ethereum’s validator activation and exit queues in real time, enabling AI agents to monitor staking dynamics and network participation trends.
    Last updated -
    3
    MIT License

  • Yes or No MCP

    a-polishchuk
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    security
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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

  • Google OR-Tools server

    Jacck
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    security
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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

  • RAG Information Retriever

    ChandrahaasJ
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    security
    F
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    quality
    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 -

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  • System Information MCP Server

    dknell
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    security
    F
    license
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    quality
    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
    2
    • Apple
    • Linux

  • DevEnvInfoServer

    carterlasalle
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    security
    A
    license
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    quality
    An MCP server that provides detailed information about your development environment to the Cursor code editor, enabling more context-aware assistance.
    Last updated -
    5
    MIT License
    • Linux
    • Apple

  • System Information MCP Server

    batteryshark
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    security
    A
    license
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    quality
    Provides comprehensive system diagnostics and hardware analysis through 10 specialized tools for troubleshooting and environment monitoring. Offers targeted information gathering for CPU, memory, network, storage, processes, and security analysis across Windows, macOS, and Linux platforms.
    Last updated -
    10
    MIT License
    • Apple
    • Linux

  • JR East Delay Information MCP Server

    tinjyuu
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    security
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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

  • Angular Toolkit MCP

    push-based
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    security
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    license
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    quality
    A Model Context Protocol server that provides Angular project analysis and refactoring capabilities, enabling LLMs to analyze component usage patterns, dependency structures, and perform safe refactoring with breaking change detection.
    Last updated -
    1
    MIT License

  • Spotify MCP Server

    varunneal
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    security
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    license
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    quality
    A server that connects Claude with Spotify, allowing users to control playback, search content, get information about tracks/albums/artists/playlists, and manage the Spotify queue.
    Last updated -
    477
    MIT License
    • Apple

  • @kazuph/mcp-taskmanager

    kazuph
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    security
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    license
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    quality
    Model Context Protocol server for Task Management. This allows Claude Desktop (or any MCP client) to manage and execute tasks in a queue-based system.
    Last updated -
    10
    361
    193
    MIT License
    • Apple

  • Spotify MCP Server

    Naunau75
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    security
    F
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    quality
    Connects Claude with Spotify to control playback, search music, get track information, and manage the queue through conversation.
    Last updated -
    1

  • Spotify MCP Server

    jamiew
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    license
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    quality
    Connects Claude with Spotify, allowing users to control playback, search for content, get music information, and manage the Spotify queue.
    Last updated -
    9
    2
    MIT License
    • Apple

  • MCP TaskManager

    Rudra-ravi
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    security
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    license
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    quality
    A Model Context Protocol server that allows Claude Desktop to manage and execute tasks in a queue-based system, supporting planning, execution, and completion phases.
    Last updated -
    10
    361
    6
    MIT License
    • Apple

  • Spotify MCP Server

    g2dgaming
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    security
    F
    license
    A
    quality
    Connects Claude with Spotify, allowing users to control playback, search for music, get track/artist information, and manage the queue via the Spotify API.
    Last updated -
    5
    • Apple

  • Supabase NextJS MCP Server

    tengfone
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    security
    F
    license
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    quality
    A TypeScript-based MCP server for handling a simple notes system with NextJS that supports creating and summarizing text notes using MCP concepts.
    Last updated -
    5
    • Apple

  • Weather MCP Server

    alchaincyf
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    security
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    license
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    quality
    A Model Context Protocol server that provides weather information and forecasts based on user location or address input.
    Last updated -
    6
    4
    4
    MIT License
    • Apple

  • URL Shortener MCP

    Talismanic
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    security
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    license
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    quality
    Provides a simple tool to shorten URLs using the CleanURI API, designed to run as a FastMCP server that can be integrated with agent or tool-based systems.
    Last updated -
    1
    2
    Apache 2.0

  • SystemPrompt MCP Server

    Ejb503
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    security
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    This TypeScript-based server implements a simple notes system, allowing users to create and manage text notes and generate summaries, showcasing core MCP concepts.
    Last updated -
    0
    12
    • Apple

  • MCP-researcher Server

    DaInfernalCoder
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    security
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    quality
    This TypeScript-based server implements a simple notes system using MCP concepts, enabling users to create, list, and summarize text notes through natural language prompts.
    Last updated -
    427
    243
    MIT License
    • Apple

  • my-server MCP Server

    vivalalova
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    security
    F
    license
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    quality
    A TypeScript-based MCP server that enables users to manage text notes and generate summaries, showcasing key MCP concepts like resource representation and LLM integration.
    Last updated -
    3,829
    • Apple

  • MCP Memory Server

    StevenWangler
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    security
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    license
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    quality
    A Model Context Protocol server that provides knowledge graph-based persistent memory for LLMs, allowing them to store, retrieve, and reason about information across multiple conversations and sessions.
    Last updated -
    9
    71,166
    2
    MIT License

  • drupal-modules-mcp MCP Server

    Cleversoft-IT
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    security
    F
    license
    A
    quality
    This TypeScript-based MCP server implements a simple notes system, allowing the creation, listing, and summarization of text notes using MCP concepts with note:// URIs and metadata.
    Last updated -
    1
    • Apple

  • EPICS MCP Server

    Jacky1-Jiang
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    security
    A
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    quality
    A Python-based server that interacts with EPICS process variables, allowing users to retrieve PV values, set PV values, and fetch detailed information about PVs through a standardized interface.
    Last updated -
    3
    MIT License

  • Kali Tools MCP Server

    evilbotnet
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    security
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    quality
    Provides comprehensive access to documentation for 600+ Kali Linux penetration testing and security tools through Claude Desktop, enabling users to search, explore, and get detailed information about security tools by category or functionality.
    Last updated -
    • Apple

  • Solana Model Context Protocol (MCP) Server

    omaidf
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    security
    F
    license
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    quality
    A Solana blockchain interaction server that allows AI tools to query blockchain data using natural language, access structured token information, and generate human-readable explanations of complex blockchain concepts.
    Last updated -
    8
    • Linux
    • Apple