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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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6,854 servers. Last updated -

Matching MCP tools:

Matching MCP servers:

  • mcp-knowledge-graph

    shaneholloman
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    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
    25,063
    59,827
    TypeScript
    MIT License
    • Apple
    • Linux

  • Knowledge Graph Memory Server

    yodakeisuke
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    F
    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
    25,063
    1
    JavaScript

  • MCP DuckDB Knowledge Graph Memory Server

    IzumiSy
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    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
    24
    42
    TypeScript
    MIT License
    • Apple

  • Knowledge Graph Memory Server

    T1nker-1220
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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
    25,063
    34
    JavaScript
    MIT License

  • MemoryMesh

    CheMiguel23
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    security
    A
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    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

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  • Azure Resource Graph MCP Server

    hardik-id
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    security
    A
    license
    A
    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
    A
    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

  • MCP Memory Server

    StevenWangler
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    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
    25,063
    JavaScript
    MIT License

  • Memory Custom

    BRO3886
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    license
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    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

  • memento-mcp

    gannonh
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    security
    A
    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
    65
    142
    TypeScript
    MIT License

  • MCP Think Tank

    flight505
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    security
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    license
    A
    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
    36
    21
    TypeScript
    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 -
    5
    Python
    MIT License

  • cognee-mcp

    topoteretes
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    security
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    license
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    quality
    Memory manager for AI apps and Agents using various graph and vector stores and allowing ingestion from 30+ data sources
    Last updated -
    4
    6,371
    Python
    Apache 2.0
    • Apple

  • Neo4j Knowledge Graph

    mjftw
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    security
    F
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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

  • 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

  • Logseq MCP Tools

    mikeysrecipes
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    license
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    quality
    A Model Context Protocol server that enables AI agents to interact with a local Logseq instance, allowing operations like creating pages, managing blocks, and searching across a knowledge graph.
    Last updated -
    13
    Python
    MIT License
    • Apple

  • MCP Neo4j Knowledge Graph Memory Server

    JovanHsu
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    A
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    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

  • 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

  • Outlook Meetings Scheduler MCP Server

    anoopt
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    security
    A
    license
    A
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    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
    84
    7
    TypeScript
    ISC License
    • Apple

  • Knowledge Graph Memory Server

    AgentWong
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    security
    A
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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

  • Serper Search MCP Server

    NightTrek
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    security
    F
    license
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    quality
    Enables integration of Google search functionality into MCP-enabled applications using the Serper API, providing rich search results, configurable parameters, and efficient response handling.
    Last updated -
    1
    12
    TypeScript
    • Apple

  • The Verge News MCP Server

    manimohans
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    security
    A
    license
    A
    quality
    Provides tools to fetch and search news from The Verge's RSS feed, allowing users to get today's news, retrieve random articles from the past week, and search for specific keywords in recent Verge content.
    Last updated -
    3
    1
    TypeScript
    MIT License
    • Apple

  • serper-search-scrape-mcp-server

    marcopesani
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    security
    A
    license
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    quality
    This Serper MCP Server supports search and webpage scraping, and all the most recent parameters introduced by the Serper API, like location.
    Last updated -
    2
    73
    2
    TypeScript
    MIT License
    • Apple

  • Nuanced MCP Server

    mattmorgis
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    security
    F
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    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

  • Microsoft Graph MCP Server

    uniQuk
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    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

  • German Family Business Knowledge Graph MCP Server

    guangxiangdebizi
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    security
    F
    license
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    quality
    An MCP server that enables AI assistants to query and access structured knowledge about German family businesses through a Neo4j graph database, supporting complex relationship queries and semantic searches.
    Last updated -
    Python
    • Linux
    • Apple

  • Kuzu MCP serverofficial

    kuzudb
    A
    security
    A
    license
    A
    quality
    This server enables natural language interaction between a user and their Kuzu databases using clients like Claude Desktop or Cursor, allowing LLMs to retrieve the database schema, execute Cypher queries, create nodes, and establish relationships in the graph database.
    Last updated -
    2
    19
    JavaScript
    MIT License
    • Apple

  • Roam Research

    2b3pro
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    security
    A
    license
    A
    quality
    Provides comprehensive access to Roam Research's API functionality. This server enables AI assistants like Claude to interact with your Roam Research graph through a standardized interface.
    Last updated -
    18
    396
    56
    TypeScript
    MIT License
    • Apple

  • Logseq MCP Tools

    apw124
    A
    security
    A
    license
    A
    quality
    A Model Context Protocol server that enables AI agents to interact with local Logseq knowledge graphs, supporting operations like creating/editing pages and blocks, searching content, and managing journal entries.
    Last updated -
    13
    15
    Python
    MIT License
    • Apple
    • Linux

  • 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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    security
    A
    license
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    quality
    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