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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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5,333 servers. Last updated -

Matching MCP tools:

Matching MCP servers:

  • 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
    156
    247
    JavaScript
    MIT License
    • Apple

  • Knowledge Graph Memory Server

    modelcontextprotocol
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    security
    A
    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
    50,196
    Python
    MIT License
    • Apple
    • Linux

  • Azure Resource Graph MCP Server

    hardik-id
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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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    security
    F
    license
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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

  • Microsoft 365 MCP Server

    Softeria
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    security
    A
    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 -
    536
    54
    TypeScript
    MIT License

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  • cognee-mcp

    topoteretes
    A
    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
    2,215
    Apache 2.0
    • Apple

  • Neo4j Knowledge Graph

    mjftw
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    security
    F
    license
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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

  • 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

  • Memory Custom

    BRO3886
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    security
    A
    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 365 MCP Server

    pnp
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    license
    A
    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
    A
    security
    A
    license
    A
    quality
    MCP server that integrates Microsoft Teams messaging (read, post, mention, list members and threads)
    Last updated -
    6
    213
    Python
    Apache 2.0
    • Linux
    • Apple

  • Enhanced Outlook MCP Server

    jibberish69
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    security
    F
    license
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    quality
    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

  • Microsoft Copilot Studio MCP Server

    DebMs123
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    security
    A
    license
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    quality
    A server implementing the Model Context Protocol (MCP) that delivers jokes upon request, demonstrating how to connect AI models to data sources and tools within Microsoft Copilot Studio.
    Last updated -
    MIT License
    • Linux
    • Apple

  • Microsoft SQL Server MCP Server

    RichardHan
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    security
    A
    license
    A
    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

  • NebulaGraph MCP Server

    nebula-contrib
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    security
    A
    license
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    quality
    A Model Context Protocol server implementation that enables LLMs to interact with NebulaGraph database for graph exploration, supporting schema understanding, queries, and graph algorithms.
    Last updated -
    16
    Python
    Apache 2.0

  • Nuanced MCP Server

    MattMorgis
    A
    security
    F
    license
    A
    quality
    An MCP server that enables LLMs to understand and analyze code structure through function call graphs, allowing AI assistants to explore relationships between functions and analyze dependencies in Python repositories.
    Last updated -
    6
    7
    Python

  • AGE-MCP-Server

    rioriost
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    security
    A
    license
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    quality
    An MCP server that provides natural language interaction with Apache AGE graph databases, allowing users to query, visualize and manipulate graph data in PostgreSQL through Claude AI.
    Last updated -
    1
    Python
    MIT License
    • Apple

  • GraphRAG MCP Server

    rileylemm
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    A
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    Enables querying a hybrid system that combines Neo4j graph database and Qdrant vector database for powerful semantic and graph-based document retrieval through the Model Context Protocol.
    Last updated -
    2
    Python
    MIT License

  • Supabase Memory MCP Server

    gtrusler
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    security
    F
    license
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    quality
    Provides memory/knowledge graph storage capabilities using Supabase, enabling multiple Claude instances to safely share and maintain a knowledge graph with features like entity storage, concurrent access safety, and full text search.
    Last updated -
    6
    JavaScript
    • Apple
    • Linux

  • Memory MCP Server

    evangstav
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    security
    A
    license
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    quality
    Provides knowledge graph functionality for managing entities, relations, and observations in memory with strict validation rules to maintain data consistency.
    Last updated -
    6
    Python
    MIT License

  • MSSQL MCP Server

    knight0zh
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    security
    A
    license
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    quality
    A Model Context Protocol server that enables executing SQL queries and managing connections with Microsoft SQL Server databases.
    Last updated -
    3
    TypeScript
    MIT License

  • MSSQL MCP Server

    c0h1b4
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    security
    A
    license
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    quality
    Enables execution of SQL queries and management of Microsoft SQL Server database connections through the Model Context Protocol.
    Last updated -
    10
    TypeScript
    MIT License
    • Apple
    • Linux

  • MCP Memory LibSQL

    joleyline
    A
    security
    A
    license
    A
    quality
    A high-performance, persistent memory system for the Model Context Protocol (MCP) providing vector search capabilities and efficient knowledge storage using libSQL as the backing store.
    Last updated -
    6
    64
    1
    TypeScript
    MIT License
    • Linux

  • mcp-memory-libsql

    spences10
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    security
    A
    license
    A
    quality
    A high-performance MCP server utilizing libSQL for persistent memory and vector search capabilities, enabling efficient entity management and semantic knowledge storage.
    Last updated -
    6
    64
    56
    TypeScript
    MIT License

  • Excel MCP Server

    fish0710
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    A
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    Provides Excel file manipulation capabilities without requiring Microsoft Excel installation, enabling workbook creation, data manipulation, formatting, and advanced Excel features.
    Last updated -
    Python
    MIT License
    • Linux
    • Apple

  • TheGraph MCP Server

    kukapay
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    security
    A
    license
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    quality
    Powers AI agents with indexed blockchain data from The Graph, enabling them to fetch subgraph schemas and execute GraphQL queries against blockchain data.
    Last updated -
    3
    Python
    MIT License

  • Excel MCP Server

    Aifornorms
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    security
    A
    license
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    quality
    A Model Context Protocol server that enables AI agents to create, read, and modify Excel workbooks without requiring Microsoft Excel installation.
    Last updated -
    Python
    MIT License
    • Linux
    • Apple

  • Fabric MCP

    aci-labs
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    security
    F
    license
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    quality
    A Python-based MCP server that enables interaction with Microsoft Fabric APIs for managing workspaces, lakehouses, warehouses, and tables through natural language.
    Last updated -
    3
    Python
    • Linux
    • Apple

  • RAG Memory MCP

    ttommyth
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    security
    F
    license
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    quality
    An advanced MCP server providing RAG-enabled memory through a knowledge graph with vector search capabilities, enabling intelligent information storage, semantic retrieval, and document processing.
    Last updated -
    289
    1
    TypeScript
    • Apple
    • Linux