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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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5,018 servers. Last updated -

Matching MCP tools:

Matching MCP servers:

  • Outlook Meetings Scheduler MCP Server

    anoopt
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    security
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    quality
    Allows scheduling meetings in Microsoft Outlook using Microsoft Graph API, with features for creating calendar events and adding attendees by finding their email addresses.
    Last updated -
    8
    77
    2
    TypeScript
    ISC License
    • Apple

  • 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
    85
    189
    JavaScript
    MIT License
    • Apple

  • Microsoft Graph MCP Server

    uniQuk
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    security
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    quality
    A Model Context Protocol server that connects to Microsoft Graph API, allowing AI assistants to query and access data from Microsoft Entra ID (formerly Azure Active Directory).
    Last updated -
    1
    Python

  • Microsoft Todo MCP Service

    jhirono
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    security
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    quality
    A Model Context Protocol service for Claude that enables natural language interaction with Microsoft Todo tasks, including viewing task lists, creating tasks, and managing checklist items.
    Last updated -
    13
    111
    3
    TypeScript
    • Apple
    • Linux

  • Knowledge Graph Memory Server

    modelcontextprotocol
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    security
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    license
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    quality
    A basic implementation of persistent memory using a local knowledge graph. This lets Claude remember information about the user across chats.
    Last updated -
    9
    14,700
    47,408
    JavaScript
    MIT License
    • Apple
    • Linux

  • Knowledge Graph Memory Server

    yodakeisuke
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    license
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    quality
    This MCP server provides persistent memory integration for chat applications by utilizing a local knowledge graph to remember user information across interactions.
    Last updated -
    9
    14,700
    1
    JavaScript

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  • MCP DuckDB Knowledge Graph Memory Server

    IzumiSy
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    security
    A
    license
    A
    quality
    A memory server for Claude that stores and retrieves knowledge graph data in DuckDB, enhancing performance and query capabilities for conversations with persistent user information.
    Last updated -
    8
    29
    35
    TypeScript
    MIT License
    • Apple

  • Knowledge Graph Memory Server

    T1nker-1220
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    security
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    license
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    quality
    Enhances user interaction through a persistent memory system that remembers information across chats and learns from past errors by utilizing a local knowledge graph and lesson management.
    Last updated -
    13
    14,700
    34
    JavaScript
    MIT License

  • Azure Resource Graph MCP Server

    hardik-id
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    security
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    license
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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
    5
    TypeScript
    MIT License
    • Linux
    • Apple

  • 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 -
    17
    6
    TypeScript

  • Lokka (Microsoft 365 MCP server)

    merill
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    security
    A
    license
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    quality
    Lokka ia an MCP server for the Microsoft Graph API and can be used to query and update all resources in your Microsoft 365 tenant. This MCP server supports all Microsoft Graph APIs including update operations (limited by the permissions you grant to the app).
    Last updated -
    88
    JavaScript
    MIT License

  • Microsoft 365 MCP Server

    Softeria
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    security
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    license
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    quality
    A Model Context Protocol server that enables interaction with Microsoft 365 services (Excel, Calendar, Mail, OneDrive, Teams, etc.) through the Graph API, allowing AI assistants to manage Microsoft 365 resources via natural language.
    Last updated -
    192
    34
    TypeScript
    MIT License

  • Claude Outlook MCP Tool

    syedazharmbnr1
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    quality
    A Model Context Protocol tool that enables Claude to interact with Microsoft Outlook for macOS, allowing users to read/send emails, manage calendar events, and access contacts through natural language commands.
    Last updated -
    3
    2
    TypeScript
    • Apple

  • cognee-mcp

    topoteretes
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    security
    A
    license
    A
    quality
    Memory manager for AI apps and Agents using various graph and vector stores and allowing ingestion from 30+ data sources
    Last updated -
    4
    2,153
    Apache 2.0
    • Apple

  • memento-mcp

    gannonh
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    security
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    license
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    quality
    Scalable, high-performance knowledge graph memory system with semantic search, temporal awareness, and advanced relation management.
    Last updated -
    20
    127
    65
    TypeScript
    MIT License

  • MemoryMesh

    CheMiguel23
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    security
    A
    license
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    quality
    This project is based on the Knowledge Graph Memory Server from the MCP servers repository and retains its core functionality.
    Last updated -
    44
    107
    TypeScript
    MIT License
    • Apple

  • Neo4j Knowledge Graph

    mjftw
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    quality
    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 -
    Python
    • Linux

  • Memory Custom

    BRO3886
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    license
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    quality
    A customized MCP memory server that enables creation and management of a knowledge graph with features like custom memory paths and timestamping for capturing interactions via language models.
    Last updated -
    11
    2
    JavaScript
    MIT License
    • Apple

  • Microsoft Teams MCP Server

    therealjohn
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    security
    F
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    quality
    An MCP server that enables sending Markdown-formatted notifications to Microsoft Teams channels through a simple tool interface.
    Last updated -
    1
    Python

  • MCP Think Tank

    flight505
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    license
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    quality
    Provides AI assistants with enhanced reasoning capabilities through structured thinking, persistent knowledge graph memory, and intelligent tool orchestration for complex problem-solving.
    Last updated -
    20
    666
    5
    TypeScript
    MIT License
    • Apple
    • Linux

  • Knowledge Graph Memory Server

    itseasy21
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    security
    F
    license
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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 -
    536
    16
    JavaScript
    • Apple

  • Microsoft 365 MCP Server

    pnp
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    security
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    license
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    quality
    An MCP server that enables running CLI for Microsoft 365 commands through GitHub Copilot Agent, allowing users to interact with Microsoft 365 services using natural language.
    Last updated -
    4
    2
    TypeScript
    MIT License

  • MCP Neo4j Knowledge Graph Memory Server

    JovanHsu
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    security
    A
    license
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    quality
    Enhanced knowledge graph memory server for AI assistants that uses Neo4j as the backend storage engine, enabling powerful graph queries and efficient storage of user interaction information with full MCP protocol compatibility.
    Last updated -
    TypeScript
    MIT License

  • MCP Microsoft Teams Server

    InditexTech
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    security
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    license
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    quality
    MCP server that integrates Microsoft Teams messaging (read, post, mention, list members and threads)
    Last updated -
    6
    203
    Python
    Apache 2.0
    • Linux
    • Apple

  • Knowledge Graph Memory Server

    AgentWong
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    security
    A
    license
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    quality
    A persistent memory implementation using a local knowledge graph that lets Claude remember information about users across conversations.
    Last updated -
    4
    Python
    MIT License

  • Enhanced Outlook MCP Server

    jibberish69
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    Connects Claude with Microsoft Outlook through the Graph API, providing comprehensive email, calendar, folder management, and rules creation capabilities.
    Last updated -
    2
    JavaScript
    • Linux
    • Apple

  • Sharepoint MCP Server

    BrianCusack
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    security
    F
    license
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    quality
    Provides access to organizational Sharepoint documents through the Microsoft Graph API, enabling search and retrieval of Sharepoint content for AI assistants.
    Last updated -
    1
    16
    10
    TypeScript

  • Knowledge Graph Memory Server

    bneil
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    security
    A
    license
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    quality
    Enhances the MCP memory server by implementing PouchDB for robust document storage and enabling the creation and management of a knowledge graph that captures interactions via language models.
    Last updated -
    JavaScript
    MIT License
    • Apple

  • Microsoft SQL Server MCP Server (MSSQL)

    dperussina
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    security
    A
    license
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    quality
    An easy-to-use bridge that lets AI assistants like Claude and Cursor IDE directly query and explore Microsoft SQL Server databases. No coding experience required!
    Last updated -
    27
    JavaScript
    GPL 3.0
    • Apple

  • Microsoft SQL Server MCP Server

    RichardHan
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    security
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    license
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    quality
    A Model Context Protocol server that enables secure interaction with Microsoft SQL Server databases, allowing AI assistants to list tables, read data, and execute SQL queries through a controlled interface.
    Last updated -
    1
    108
    Python
    MIT License
    • Linux
    • Apple