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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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5,729 servers. Last updated -

Matching MCP tools:

Matching MCP servers:

  • Knowledge Graph Memory Server

    yodakeisuke
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    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

  • MCP DuckDB Knowledge Graph Memory Server

    IzumiSy
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    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
    27
    35
    TypeScript
    MIT License
    • Apple

  • Knowledge Graph Memory Server

    modelcontextprotocol
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    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
    52,147
    Python
    MIT License
    • Apple
    • Linux

  • 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

  • memento-mcp

    gannonh
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    Scalable, high-performance knowledge graph memory system with semantic search, temporal awareness, and advanced relation management.
    Last updated -
    20
    83
    103
    TypeScript
    MIT License

  • Knowledge Graph Memory Server

    T1nker-1220
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    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

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  • Memory Bank MCP

    movibe
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    security
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    quality
    Memory Bank Server provides a set of tools and resources for AI assistants to interact with Memory Banks. Memory Banks are structured repositories of information that help maintain context and track progress across multiple sessions.
    Last updated -
    15
    111
    13
    TypeScript
    MIT License

  • Knowledge Graph Memory Server

    AgentWong
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    security
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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

  • MCP Think Tank

    flight505
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    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
    84
    5
    TypeScript
    MIT License
    • Apple
    • Linux

  • Knowledge Graph Memory Server

    itseasy21
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    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

  • Knowledge Graph Memory Server

    bneil
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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

  • Memory Bank MCP Server

    alioshr
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    quality
    Provides a centralized MCP-based system for managing and accessing multi-project memory banks remotely, with features like project isolation, file structure validation, and type-safe operations.
    Last updated -
    5
    572
    245
    TypeScript
    MIT License
    • Apple
    • Linux

  • Memory Bank MCP Server

    ipospelov
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    Provides a structured documentation system for context preservation in AI assistant environments, helping users create and manage memory banks for their projects.
    Last updated -
    3
    10
    Python
    MIT License
    • Linux
    • Apple

  • MCP Memory Service

    doobidoo
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    Provides semantic memory and persistent storage for Claude, leveraging ChromaDB and sentence transformers for enhanced search and retrieval capabilities.
    Last updated -
    3
    360
    Python
    MIT License
    • Linux

  • basic-memory

    basicmachines-co
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    Basic Memory is a knowledge management system that allows you to build a persistent semantic graph from conversations with AI assistants. All knowledge is stored in standard Markdown files on your computer, giving you full control and ownership of your data. Integrates directly with Obsidan.md
    Last updated -
    9
    840
    Python
    AGPL 3.0
    • Apple

  • mem0 Memory System

    pinkpixel-dev
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    quality
    A flexible memory system for AI applications that supports multiple LLM providers and can be used either as an MCP server or as a direct library integration, enabling autonomous memory management without explicit commands.
    Last updated -
    3
    211
    51
    JavaScript
    MIT License

  • cognee-mcp

    topoteretes
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    Memory manager for AI apps and Agents using various graph and vector stores and allowing ingestion from 30+ data sources
    Last updated -
    4
    4,063
    Python
    Apache 2.0
    • Apple

  • IaC Memory MCP Server

    AgentWong
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    Enhances Claude AI with persistent memory storage for Infrastructure-as-Code components, supporting version tracking and relationship mapping for Terraform and Ansible resources.
    Last updated -
    23
    4
    Python
    MIT License

  • mcp-with-ssh

    aakarsh-sasi
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    Memory bank with Server as SSH support for central knowledge base
    Last updated -
    15
    22
    TypeScript
    MIT License

  • mcp-memory-libsql

    spences10
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    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
    88
    56
    TypeScript
    MIT License

  • Cursor10x Memory System

    sizzlebop
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    A comprehensive memory system for Cursor using the Model Context Protocol (MCP) that provides persistent context awareness across sessions by storing conversation history, project milestones, code snippets, and enabling semantic search.
    Last updated -
    18
    111
    MIT License

  • MCP Memory LibSQL

    joleyline
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    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
    88
    1
    TypeScript
    MIT License
    • Linux

  • RAG Memory MCP

    ttommyth
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    security
    F
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    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

  • Cursor10x MCP

    aurda012
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    The Cursor10x Memory System creates a persistent memory layer for AI assistants (specifically Claude), enabling them to retain and recall short-term, long-term and episodic memory on autonomously.
    Last updated -
    16
    111
    26
    JavaScript
    MIT License
    • Apple
    • Linux

  • MCP Memory Server with Qdrant Persistence

    delorenj
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    Facilitates knowledge graph representation with semantic search using Qdrant, supporting OpenAI embeddings for semantic similarity and robust HTTPS integration with file-based graph persistence.
    Last updated -
    33
    4
    TypeScript
    • Linux
    • Apple

  • MCP - Titan Memory Server

    jasonkneen
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    Enables neural memory sequence learning with a memory-augmented model for improved code understanding and generation, featuring state management, novelty detection, and model persistence.
    Last updated -
    0
    2
    TypeScript

  • MCP Memory

    ddkang1
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    An MCP server implementing memory solutions for data-rich applications using HippoRAG for efficient knowledge graph capabilities, enabling search across multiple sources including uploaded files.
    Last updated -
    Python
    MIT License

  • MCP Memory Server

    sdimitrov
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    Implements long-term memory capabilities for AI assistants using PostgreSQL with pgvector for efficient vector similarity search, enabling semantic retrieval of stored information.
    Last updated -
    1
    JavaScript
    • Apple
    • Linux

  • Memory Bank MCP Server

    t3ta
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    quality
    A server for managing project documentation and context across Claude AI sessions through global and branch-specific memory banks, enabling consistent knowledge management with structured JSON document storage.
    Last updated -
    5
    7
    TypeScript
    MIT License

  • MCP Memory Server

    ebailey78
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    A Model Context Protocol server for Claude Desktop that provides structured memory management across chat sessions, allowing Claude to maintain context and build a knowledge base within project directories.
    Last updated -
    TypeScript

  • Outlook Meetings Scheduler MCP Server

    anoopt
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    license
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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

  • Microsoft Graph MCP Server

    uniQuk
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    security
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    license
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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